diff --git a/keystore2/Android.bp b/keystore2/Android.bp
index 2c135f8..40d91c2 100644
--- a/keystore2/Android.bp
+++ b/keystore2/Android.bp
@@ -19,7 +19,7 @@
 
     rustlibs: [
         "android.system.keystore2-rust",
-        "libandroid_hardware_keymint_keystore2",
+        "android.hardware.keymint-rust",
         "libanyhow",
         "libbinder_rs",
         "libkeystore2_selinux",
@@ -40,8 +40,8 @@
     auto_gen_config: true,
     rustlibs: [
         "android.system.keystore2-rust",
+        "android.hardware.keymint-rust",
         "libandroid_logger",
-        "libandroid_hardware_keymint_keystore2",
         "libanyhow",
         "libbinder_rs",
         "libkeystore2_crypto_bindgen",
@@ -106,18 +106,3 @@
     ],
     name: "keystore2_crypto_test",
 }
-
-// This is a placeholder for the libraries that will be generated from the AIDL specs
-// eventually.
-rust_library {
-    name: "libandroid_hardware_keymint_keystore2",
-    crate_name: "android_hardware_keymint",
-
-    srcs: ["src/android_hardware_keymint.rs"],
-
-    rustlibs: [
-        "libbinder_rs",
-        "liblazy_static",
-    ],
-}
-
diff --git a/keystore2/src/android_hardware_keymint.rs b/keystore2/src/android_hardware_keymint.rs
deleted file mode 100644
index 103b9b9..0000000
--- a/keystore2/src/android_hardware_keymint.rs
+++ /dev/null
@@ -1,1656 +0,0 @@
-#![allow(non_snake_case)]
-#![allow(missing_docs)]
-#![allow(clippy::identity_op)]
-#![allow(clippy::excessive_precision)]
-#![allow(clippy::too_many_arguments)]
-pub use binder::public_api as binder;
-pub mod aidl {
-  pub mod android {
-    pub mod hardware {
-      pub mod keymint {
-        pub mod Algorithm {
-          #![allow(non_upper_case_globals)]
-          use binder::declare_binder_enum;
-          declare_binder_enum! { Algorithm : i32 {
-            RSA = 1,
-            EC = 3,
-            AES = 32,
-            TRIPLE_DES = 33,
-            HMAC = 128,
-          } }
-          pub(crate) mod mangled { pub use super::Algorithm as _7_android_8_hardware_7_keymint_9_Algorithm; }
-        }
-        pub mod BeginResult {
-          #[derive(Debug)]
-          pub struct BeginResult {
-            pub challenge: i64, 
-            pub params: Vec<crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter>, 
-            pub operation: Option<Box<dyn crate::mangled::_7_android_8_hardware_7_keymint_17_IKeyMintOperation>>, 
-          }
-          pub(crate) mod mangled { pub use super::BeginResult as _7_android_8_hardware_7_keymint_11_BeginResult; }
-          impl Default for BeginResult {
-            fn default() -> Self {
-              Self {
-                challenge: 0,
-                params: Default::default(),
-                operation: Default::default(),
-              }
-            }
-          }
-          impl binder::parcel::Serialize for BeginResult {
-            fn serialize(&self, parcel: &mut binder::parcel::Parcel) -> binder::Result<()> {
-              <Self as binder::parcel::SerializeOption>::serialize_option(Some(self), parcel)
-            }
-          }
-          impl binder::parcel::SerializeArray for BeginResult {}
-          impl binder::parcel::SerializeOption for BeginResult {
-            fn serialize_option(this: Option<&Self>, parcel: &mut binder::parcel::Parcel) -> binder::Result<()> {
-              let this = if let Some(this) = this {
-                parcel.write(&1i32)?;
-                this
-              } else {
-                return parcel.write(&0i32);
-              };
-              let start_pos = parcel.get_data_position();
-              parcel.write(&0i32)?;
-              parcel.write(&this.challenge)?;
-              parcel.write(&this.params)?;
-              let __field_ref = this.operation.as_ref().ok_or(binder::StatusCode::UNEXPECTED_NULL)?;
-              parcel.write(__field_ref)?;
-              let end_pos = parcel.get_data_position();
-              let parcelable_size = (end_pos - start_pos) as i32;
-              unsafe { parcel.set_data_position(start_pos)?; }
-              parcel.write(&parcelable_size)?;
-              unsafe { parcel.set_data_position(end_pos)?; }
-              Ok(())
-            }
-          }
-          impl binder::parcel::Deserialize for BeginResult {
-            fn deserialize(parcel: &binder::parcel::Parcel) -> binder::Result<Self> {
-              <Self as binder::parcel::DeserializeOption>::deserialize_option(parcel)
-                 .transpose()
-                 .unwrap_or(Err(binder::StatusCode::UNEXPECTED_NULL))
-            }
-          }
-          impl binder::parcel::DeserializeArray for BeginResult {}
-          impl binder::parcel::DeserializeOption for BeginResult {
-            fn deserialize_option(parcel: &binder::parcel::Parcel) -> binder::Result<Option<Self>> {
-              let status: i32 = parcel.read()?;
-              if status == 0 { return Ok(None); }
-              let start_pos = parcel.get_data_position();
-              let parcelable_size: i32 = parcel.read()?;
-              if parcelable_size < 0 { return Err(binder::StatusCode::BAD_VALUE); }
-              let mut result = Self::default();
-              result.challenge = parcel.read()?;
-              if (parcel.get_data_position() - start_pos) == parcelable_size {
-                return Ok(Some(result));
-              }
-              result.params = parcel.read()?;
-              if (parcel.get_data_position() - start_pos) == parcelable_size {
-                return Ok(Some(result));
-              }
-              result.operation = Some(parcel.read()?);
-              if (parcel.get_data_position() - start_pos) == parcelable_size {
-                return Ok(Some(result));
-              }
-              Ok(Some(result))
-            }
-          }
-        }
-        pub mod BlockMode {
-          #![allow(non_upper_case_globals)]
-          use binder::declare_binder_enum;
-          declare_binder_enum! { BlockMode : i32 {
-            ECB = 1,
-            CBC = 2,
-            CTR = 3,
-            GCM = 32,
-          } }
-          pub(crate) mod mangled { pub use super::BlockMode as _7_android_8_hardware_7_keymint_9_BlockMode; }
-        }
-        pub mod Certificate {
-          #[derive(Debug)]
-          pub struct Certificate {
-            pub encodedCertificate: Vec<u8>, 
-          }
-          pub(crate) mod mangled { pub use super::Certificate as _7_android_8_hardware_7_keymint_11_Certificate; }
-          impl Default for Certificate {
-            fn default() -> Self {
-              Self {
-                encodedCertificate: Default::default(),
-              }
-            }
-          }
-          impl binder::parcel::Serialize for Certificate {
-            fn serialize(&self, parcel: &mut binder::parcel::Parcel) -> binder::Result<()> {
-              <Self as binder::parcel::SerializeOption>::serialize_option(Some(self), parcel)
-            }
-          }
-          impl binder::parcel::SerializeArray for Certificate {}
-          impl binder::parcel::SerializeOption for Certificate {
-            fn serialize_option(this: Option<&Self>, parcel: &mut binder::parcel::Parcel) -> binder::Result<()> {
-              let this = if let Some(this) = this {
-                parcel.write(&1i32)?;
-                this
-              } else {
-                return parcel.write(&0i32);
-              };
-              let start_pos = parcel.get_data_position();
-              parcel.write(&0i32)?;
-              parcel.write(&this.encodedCertificate)?;
-              let end_pos = parcel.get_data_position();
-              let parcelable_size = (end_pos - start_pos) as i32;
-              unsafe { parcel.set_data_position(start_pos)?; }
-              parcel.write(&parcelable_size)?;
-              unsafe { parcel.set_data_position(end_pos)?; }
-              Ok(())
-            }
-          }
-          impl binder::parcel::Deserialize for Certificate {
-            fn deserialize(parcel: &binder::parcel::Parcel) -> binder::Result<Self> {
-              <Self as binder::parcel::DeserializeOption>::deserialize_option(parcel)
-                 .transpose()
-                 .unwrap_or(Err(binder::StatusCode::UNEXPECTED_NULL))
-            }
-          }
-          impl binder::parcel::DeserializeArray for Certificate {}
-          impl binder::parcel::DeserializeOption for Certificate {
-            fn deserialize_option(parcel: &binder::parcel::Parcel) -> binder::Result<Option<Self>> {
-              let status: i32 = parcel.read()?;
-              if status == 0 { return Ok(None); }
-              let start_pos = parcel.get_data_position();
-              let parcelable_size: i32 = parcel.read()?;
-              if parcelable_size < 0 { return Err(binder::StatusCode::BAD_VALUE); }
-              let mut result = Self::default();
-              result.encodedCertificate = parcel.read()?;
-              if (parcel.get_data_position() - start_pos) == parcelable_size {
-                return Ok(Some(result));
-              }
-              Ok(Some(result))
-            }
-          }
-        }
-        pub mod Constants {
-          #![allow(non_upper_case_globals)]
-          use binder::declare_binder_enum;
-          declare_binder_enum! { Constants : i32 {
-            AUTH_TOKEN_MAC_LENGTH = 32,
-          } }
-          pub(crate) mod mangled { pub use super::Constants as _7_android_8_hardware_7_keymint_9_Constants; }
-        }
-        pub mod Digest {
-          #![allow(non_upper_case_globals)]
-          use binder::declare_binder_enum;
-          declare_binder_enum! { Digest : i32 {
-            NONE = 0,
-            MD5 = 1,
-            SHA1 = 2,
-            SHA_2_224 = 3,
-            SHA_2_256 = 4,
-            SHA_2_384 = 5,
-            SHA_2_512 = 6,
-          } }
-          pub(crate) mod mangled { pub use super::Digest as _7_android_8_hardware_7_keymint_6_Digest; }
-        }
-        pub mod EcCurve {
-          #![allow(non_upper_case_globals)]
-          use binder::declare_binder_enum;
-          declare_binder_enum! { EcCurve : i32 {
-            P_224 = 0,
-            P_256 = 1,
-            P_384 = 2,
-            P_521 = 3,
-          } }
-          pub(crate) mod mangled { pub use super::EcCurve as _7_android_8_hardware_7_keymint_7_EcCurve; }
-        }
-        pub mod ErrorCode {
-          #![allow(non_upper_case_globals)]
-          use binder::declare_binder_enum;
-          declare_binder_enum! { ErrorCode : i32 {
-            OK = 0,
-            ROOT_OF_TRUST_ALREADY_SET = -1,
-            UNSUPPORTED_PURPOSE = -2,
-            INCOMPATIBLE_PURPOSE = -3,
-            UNSUPPORTED_ALGORITHM = -4,
-            INCOMPATIBLE_ALGORITHM = -5,
-            UNSUPPORTED_KEY_SIZE = -6,
-            UNSUPPORTED_BLOCK_MODE = -7,
-            INCOMPATIBLE_BLOCK_MODE = -8,
-            UNSUPPORTED_MAC_LENGTH = -9,
-            UNSUPPORTED_PADDING_MODE = -10,
-            INCOMPATIBLE_PADDING_MODE = -11,
-            UNSUPPORTED_DIGEST = -12,
-            INCOMPATIBLE_DIGEST = -13,
-            INVALID_EXPIRATION_TIME = -14,
-            INVALID_USER_ID = -15,
-            INVALID_AUTHORIZATION_TIMEOUT = -16,
-            UNSUPPORTED_KEY_FORMAT = -17,
-            INCOMPATIBLE_KEY_FORMAT = -18,
-            UNSUPPORTED_KEY_ENCRYPTION_ALGORITHM = -19,
-            UNSUPPORTED_KEY_VERIFICATION_ALGORITHM = -20,
-            INVALID_INPUT_LENGTH = -21,
-            KEY_EXPORT_OPTIONS_INVALID = -22,
-            DELEGATION_NOT_ALLOWED = -23,
-            KEY_NOT_YET_VALID = -24,
-            KEY_EXPIRED = -25,
-            KEY_USER_NOT_AUTHENTICATED = -26,
-            OUTPUT_PARAMETER_NULL = -27,
-            INVALID_OPERATION_HANDLE = -28,
-            INSUFFICIENT_BUFFER_SPACE = -29,
-            VERIFICATION_FAILED = -30,
-            TOO_MANY_OPERATIONS = -31,
-            UNEXPECTED_NULL_POINTER = -32,
-            INVALID_KEY_BLOB = -33,
-            IMPORTED_KEY_NOT_ENCRYPTED = -34,
-            IMPORTED_KEY_DECRYPTION_FAILED = -35,
-            IMPORTED_KEY_NOT_SIGNED = -36,
-            IMPORTED_KEY_VERIFICATION_FAILED = -37,
-            INVALID_ARGUMENT = -38,
-            UNSUPPORTED_TAG = -39,
-            INVALID_TAG = -40,
-            MEMORY_ALLOCATION_FAILED = -41,
-            IMPORT_PARAMETER_MISMATCH = -44,
-            SECURE_HW_ACCESS_DENIED = -45,
-            OPERATION_CANCELLED = -46,
-            CONCURRENT_ACCESS_CONFLICT = -47,
-            SECURE_HW_BUSY = -48,
-            SECURE_HW_COMMUNICATION_FAILED = -49,
-            UNSUPPORTED_EC_FIELD = -50,
-            MISSING_NONCE = -51,
-            INVALID_NONCE = -52,
-            MISSING_MAC_LENGTH = -53,
-            KEY_RATE_LIMIT_EXCEEDED = -54,
-            CALLER_NONCE_PROHIBITED = -55,
-            KEY_MAX_OPS_EXCEEDED = -56,
-            INVALID_MAC_LENGTH = -57,
-            MISSING_MIN_MAC_LENGTH = -58,
-            UNSUPPORTED_MIN_MAC_LENGTH = -59,
-            UNSUPPORTED_KDF = -60,
-            UNSUPPORTED_EC_CURVE = -61,
-            KEY_REQUIRES_UPGRADE = -62,
-            ATTESTATION_CHALLENGE_MISSING = -63,
-            KEYMINT_NOT_CONFIGURED = -64,
-            ATTESTATION_APPLICATION_ID_MISSING = -65,
-            CANNOT_ATTEST_IDS = -66,
-            ROLLBACK_RESISTANCE_UNAVAILABLE = -67,
-            HARDWARE_TYPE_UNAVAILABLE = -68,
-            PROOF_OF_PRESENCE_REQUIRED = -69,
-            CONCURRENT_PROOF_OF_PRESENCE_REQUESTED = -70,
-            NO_USER_CONFIRMATION = -71,
-            DEVICE_LOCKED = -72,
-            EARLY_BOOT_ENDED = -73,
-            ATTESTATION_KEYS_NOT_PROVISIONED = -74,
-            ATTESTATION_IDS_NOT_PROVISIONED = -75,
-            INVALID_OPERATION = -76,
-            STORAGE_KEY_UNSUPPORTED = -77,
-            UNIMPLEMENTED = -100,
-            VERSION_MISMATCH = -101,
-            UNKNOWN_ERROR = -1000,
-          } }
-          pub(crate) mod mangled { pub use super::ErrorCode as _7_android_8_hardware_7_keymint_9_ErrorCode; }
-        }
-        pub mod HardwareAuthToken {
-          #[derive(Debug)]
-          pub struct HardwareAuthToken {
-            pub challenge: i64, 
-            pub userId: i64, 
-            pub authenticatorId: i64, 
-            pub authenticatorType: crate::mangled::_7_android_8_hardware_7_keymint_25_HardwareAuthenticatorType, 
-            pub timestamp: crate::mangled::_7_android_8_hardware_7_keymint_9_Timestamp, 
-            pub mac: Vec<u8>, 
-          }
-          pub(crate) mod mangled { pub use super::HardwareAuthToken as _7_android_8_hardware_7_keymint_17_HardwareAuthToken; }
-          impl Default for HardwareAuthToken {
-            fn default() -> Self {
-              Self {
-                challenge: 0,
-                userId: 0,
-                authenticatorId: 0,
-                authenticatorType: Default::default(),
-                timestamp: Default::default(),
-                mac: Default::default(),
-              }
-            }
-          }
-          impl binder::parcel::Serialize for HardwareAuthToken {
-            fn serialize(&self, parcel: &mut binder::parcel::Parcel) -> binder::Result<()> {
-              <Self as binder::parcel::SerializeOption>::serialize_option(Some(self), parcel)
-            }
-          }
-          impl binder::parcel::SerializeArray for HardwareAuthToken {}
-          impl binder::parcel::SerializeOption for HardwareAuthToken {
-            fn serialize_option(this: Option<&Self>, parcel: &mut binder::parcel::Parcel) -> binder::Result<()> {
-              let this = if let Some(this) = this {
-                parcel.write(&1i32)?;
-                this
-              } else {
-                return parcel.write(&0i32);
-              };
-              let start_pos = parcel.get_data_position();
-              parcel.write(&0i32)?;
-              parcel.write(&this.challenge)?;
-              parcel.write(&this.userId)?;
-              parcel.write(&this.authenticatorId)?;
-              parcel.write(&this.authenticatorType)?;
-              parcel.write(&this.timestamp)?;
-              parcel.write(&this.mac)?;
-              let end_pos = parcel.get_data_position();
-              let parcelable_size = (end_pos - start_pos) as i32;
-              unsafe { parcel.set_data_position(start_pos)?; }
-              parcel.write(&parcelable_size)?;
-              unsafe { parcel.set_data_position(end_pos)?; }
-              Ok(())
-            }
-          }
-          impl binder::parcel::Deserialize for HardwareAuthToken {
-            fn deserialize(parcel: &binder::parcel::Parcel) -> binder::Result<Self> {
-              <Self as binder::parcel::DeserializeOption>::deserialize_option(parcel)
-                 .transpose()
-                 .unwrap_or(Err(binder::StatusCode::UNEXPECTED_NULL))
-            }
-          }
-          impl binder::parcel::DeserializeArray for HardwareAuthToken {}
-          impl binder::parcel::DeserializeOption for HardwareAuthToken {
-            fn deserialize_option(parcel: &binder::parcel::Parcel) -> binder::Result<Option<Self>> {
-              let status: i32 = parcel.read()?;
-              if status == 0 { return Ok(None); }
-              let start_pos = parcel.get_data_position();
-              let parcelable_size: i32 = parcel.read()?;
-              if parcelable_size < 0 { return Err(binder::StatusCode::BAD_VALUE); }
-              let mut result = Self::default();
-              result.challenge = parcel.read()?;
-              if (parcel.get_data_position() - start_pos) == parcelable_size {
-                return Ok(Some(result));
-              }
-              result.userId = parcel.read()?;
-              if (parcel.get_data_position() - start_pos) == parcelable_size {
-                return Ok(Some(result));
-              }
-              result.authenticatorId = parcel.read()?;
-              if (parcel.get_data_position() - start_pos) == parcelable_size {
-                return Ok(Some(result));
-              }
-              result.authenticatorType = parcel.read()?;
-              if (parcel.get_data_position() - start_pos) == parcelable_size {
-                return Ok(Some(result));
-              }
-              result.timestamp = parcel.read()?;
-              if (parcel.get_data_position() - start_pos) == parcelable_size {
-                return Ok(Some(result));
-              }
-              result.mac = parcel.read()?;
-              if (parcel.get_data_position() - start_pos) == parcelable_size {
-                return Ok(Some(result));
-              }
-              Ok(Some(result))
-            }
-          }
-        }
-        pub mod HardwareAuthenticatorType {
-          #![allow(non_upper_case_globals)]
-          use binder::declare_binder_enum;
-          declare_binder_enum! { HardwareAuthenticatorType : i32 {
-            NONE = 0,
-            PASSWORD = 1,
-            FINGERPRINT = 2,
-            ANY = -1,
-          } }
-          pub(crate) mod mangled { pub use super::HardwareAuthenticatorType as _7_android_8_hardware_7_keymint_25_HardwareAuthenticatorType; }
-        }
-        pub mod HmacSharingParameters {
-          #[derive(Debug)]
-          pub struct HmacSharingParameters {
-            pub seed: Vec<u8>, 
-            pub nonce: Vec<u8>, 
-          }
-          pub(crate) mod mangled { pub use super::HmacSharingParameters as _7_android_8_hardware_7_keymint_21_HmacSharingParameters; }
-          impl Default for HmacSharingParameters {
-            fn default() -> Self {
-              Self {
-                seed: Default::default(),
-                nonce: Default::default(),
-              }
-            }
-          }
-          impl binder::parcel::Serialize for HmacSharingParameters {
-            fn serialize(&self, parcel: &mut binder::parcel::Parcel) -> binder::Result<()> {
-              <Self as binder::parcel::SerializeOption>::serialize_option(Some(self), parcel)
-            }
-          }
-          impl binder::parcel::SerializeArray for HmacSharingParameters {}
-          impl binder::parcel::SerializeOption for HmacSharingParameters {
-            fn serialize_option(this: Option<&Self>, parcel: &mut binder::parcel::Parcel) -> binder::Result<()> {
-              let this = if let Some(this) = this {
-                parcel.write(&1i32)?;
-                this
-              } else {
-                return parcel.write(&0i32);
-              };
-              let start_pos = parcel.get_data_position();
-              parcel.write(&0i32)?;
-              parcel.write(&this.seed)?;
-              parcel.write(&this.nonce)?;
-              let end_pos = parcel.get_data_position();
-              let parcelable_size = (end_pos - start_pos) as i32;
-              unsafe { parcel.set_data_position(start_pos)?; }
-              parcel.write(&parcelable_size)?;
-              unsafe { parcel.set_data_position(end_pos)?; }
-              Ok(())
-            }
-          }
-          impl binder::parcel::Deserialize for HmacSharingParameters {
-            fn deserialize(parcel: &binder::parcel::Parcel) -> binder::Result<Self> {
-              <Self as binder::parcel::DeserializeOption>::deserialize_option(parcel)
-                 .transpose()
-                 .unwrap_or(Err(binder::StatusCode::UNEXPECTED_NULL))
-            }
-          }
-          impl binder::parcel::DeserializeArray for HmacSharingParameters {}
-          impl binder::parcel::DeserializeOption for HmacSharingParameters {
-            fn deserialize_option(parcel: &binder::parcel::Parcel) -> binder::Result<Option<Self>> {
-              let status: i32 = parcel.read()?;
-              if status == 0 { return Ok(None); }
-              let start_pos = parcel.get_data_position();
-              let parcelable_size: i32 = parcel.read()?;
-              if parcelable_size < 0 { return Err(binder::StatusCode::BAD_VALUE); }
-              let mut result = Self::default();
-              result.seed = parcel.read()?;
-              if (parcel.get_data_position() - start_pos) == parcelable_size {
-                return Ok(Some(result));
-              }
-              result.nonce = parcel.read()?;
-              if (parcel.get_data_position() - start_pos) == parcelable_size {
-                return Ok(Some(result));
-              }
-              Ok(Some(result))
-            }
-          }
-        }
-        pub mod IKeyMintDevice {
-          #![allow(non_upper_case_globals)]
-          #![allow(non_snake_case)]
-          #[allow(unused_imports)] use binder::IBinder;
-          use binder::declare_binder_interface;
-          declare_binder_interface! {
-            IKeyMintDevice["android.hardware.keymint.IKeyMintDevice"] {
-              native: BnKeyMintDevice(on_transact),
-              proxy: BpKeyMintDevice {
-              },
-            }
-          }
-          pub trait IKeyMintDevice: binder::Interface + Send {
-            fn get_descriptor() -> &'static str where Self: Sized { "android.hardware.keymint.IKeyMintDevice" }
-            fn getHardwareInfo(&self) -> binder::public_api::Result<crate::mangled::_7_android_8_hardware_7_keymint_19_KeyMintHardwareInfo> {
-              Err(binder::StatusCode::UNKNOWN_TRANSACTION.into())
-            }
-            fn verifyAuthorization(&self, _arg_challenge: i64, _arg_parametersToVerify: &[crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter], _arg_token: &crate::mangled::_7_android_8_hardware_7_keymint_17_HardwareAuthToken) -> binder::public_api::Result<crate::mangled::_7_android_8_hardware_7_keymint_17_VerificationToken> {
-              Err(binder::StatusCode::UNKNOWN_TRANSACTION.into())
-            }
-            fn addRngEntropy(&self, _arg_data: &[u8]) -> binder::public_api::Result<()> {
-              Err(binder::StatusCode::UNKNOWN_TRANSACTION.into())
-            }
-            fn generateKey(&self, _arg_keyParams: &[crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter], _arg_generatedKeyBlob: &mut Vec<u8>, _arg_generatedKeyCharacteristics: &mut crate::mangled::_7_android_8_hardware_7_keymint_18_KeyCharacteristics, _arg_outCertChain: &mut Vec<crate::mangled::_7_android_8_hardware_7_keymint_11_Certificate>) -> binder::public_api::Result<()> {
-              Err(binder::StatusCode::UNKNOWN_TRANSACTION.into())
-            }
-            fn importKey(&self, _arg_inKeyParams: &[crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter], _arg_inKeyFormat: crate::mangled::_7_android_8_hardware_7_keymint_9_KeyFormat, _arg_inKeyData: &[u8], _arg_outImportedKeyBlob: &mut Vec<u8>, _arg_outImportedKeyCharacteristics: &mut crate::mangled::_7_android_8_hardware_7_keymint_18_KeyCharacteristics, _arg_outCertChain: &mut Vec<crate::mangled::_7_android_8_hardware_7_keymint_11_Certificate>) -> binder::public_api::Result<()> {
-              Err(binder::StatusCode::UNKNOWN_TRANSACTION.into())
-            }
-            fn importWrappedKey(&self, _arg_inWrappedKeyData: &[u8], _arg_inWrappingKeyBlob: &[u8], _arg_inMaskingKey: &[u8], _arg_inUnwrappingParams: &[crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter], _arg_inPasswordSid: i64, _arg_inBiometricSid: i64, _arg_outImportedKeyBlob: &mut Vec<u8>, _arg_outImportedKeyCharacteristics: &mut crate::mangled::_7_android_8_hardware_7_keymint_18_KeyCharacteristics) -> binder::public_api::Result<()> {
-              Err(binder::StatusCode::UNKNOWN_TRANSACTION.into())
-            }
-            fn upgradeKey(&self, _arg_inKeyBlobToUpgrade: &[u8], _arg_inUpgradeParams: &[crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter]) -> binder::public_api::Result<Vec<u8>> {
-              Err(binder::StatusCode::UNKNOWN_TRANSACTION.into())
-            }
-            fn deleteKey(&self, _arg_inKeyBlob: &[u8]) -> binder::public_api::Result<()> {
-              Err(binder::StatusCode::UNKNOWN_TRANSACTION.into())
-            }
-            fn deleteAllKeys(&self) -> binder::public_api::Result<()> {
-              Err(binder::StatusCode::UNKNOWN_TRANSACTION.into())
-            }
-            fn destroyAttestationIds(&self) -> binder::public_api::Result<()> {
-              Err(binder::StatusCode::UNKNOWN_TRANSACTION.into())
-            }
-            fn begin(&self, _arg_inPurpose: crate::mangled::_7_android_8_hardware_7_keymint_10_KeyPurpose, _arg_inKeyBlob: &[u8], _arg_inParams: &[crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter], _arg_inAuthToken: &crate::mangled::_7_android_8_hardware_7_keymint_17_HardwareAuthToken) -> binder::public_api::Result<crate::mangled::_7_android_8_hardware_7_keymint_11_BeginResult> {
-              Err(binder::StatusCode::UNKNOWN_TRANSACTION.into())
-            }
-            fn getDefaultImpl() -> IKeyMintDeviceDefault where Self: Sized {
-              DEFAULT_IMPL.lock().unwrap().clone()
-            }
-            fn setDefaultImpl(d: IKeyMintDeviceDefault) -> IKeyMintDeviceDefault where Self: Sized {
-              std::mem::replace(&mut *DEFAULT_IMPL.lock().unwrap(), d)
-            }
-          }
-          pub mod transactions {
-            #[allow(unused_imports)] use binder::IBinder;
-            pub const getHardwareInfo: binder::TransactionCode = binder::SpIBinder::FIRST_CALL_TRANSACTION + 0;
-            pub const verifyAuthorization: binder::TransactionCode = binder::SpIBinder::FIRST_CALL_TRANSACTION + 1;
-            pub const addRngEntropy: binder::TransactionCode = binder::SpIBinder::FIRST_CALL_TRANSACTION + 2;
-            pub const generateKey: binder::TransactionCode = binder::SpIBinder::FIRST_CALL_TRANSACTION + 3;
-            pub const importKey: binder::TransactionCode = binder::SpIBinder::FIRST_CALL_TRANSACTION + 4;
-            pub const importWrappedKey: binder::TransactionCode = binder::SpIBinder::FIRST_CALL_TRANSACTION + 5;
-            pub const upgradeKey: binder::TransactionCode = binder::SpIBinder::FIRST_CALL_TRANSACTION + 6;
-            pub const deleteKey: binder::TransactionCode = binder::SpIBinder::FIRST_CALL_TRANSACTION + 7;
-            pub const deleteAllKeys: binder::TransactionCode = binder::SpIBinder::FIRST_CALL_TRANSACTION + 8;
-            pub const destroyAttestationIds: binder::TransactionCode = binder::SpIBinder::FIRST_CALL_TRANSACTION + 9;
-            pub const begin: binder::TransactionCode = binder::SpIBinder::FIRST_CALL_TRANSACTION + 10;
-          }
-          pub type IKeyMintDeviceDefault = Option<std::sync::Arc<dyn IKeyMintDevice + Sync>>;
-          use lazy_static::lazy_static;
-          lazy_static! {
-            static ref DEFAULT_IMPL: std::sync::Mutex<IKeyMintDeviceDefault> = std::sync::Mutex::new(None);
-          }
-          pub(crate) mod mangled { pub use super::IKeyMintDevice as _7_android_8_hardware_7_keymint_14_IKeyMintDevice; }
-          impl IKeyMintDevice for BpKeyMintDevice {
-            fn getHardwareInfo(&self) -> binder::public_api::Result<crate::mangled::_7_android_8_hardware_7_keymint_19_KeyMintHardwareInfo> {
-              let _aidl_reply = self.binder.transact(transactions::getHardwareInfo, 0, |_aidl_data| {
-                Ok(())
-              });
-              if let Err(binder::StatusCode::UNKNOWN_TRANSACTION) = _aidl_reply {
-                if let Some(_aidl_default_impl) = <Self as IKeyMintDevice>::getDefaultImpl() {
-                  return _aidl_default_impl.getHardwareInfo();
-                }
-              }
-              let _aidl_reply = _aidl_reply?;
-              let _aidl_status: binder::Status = _aidl_reply.read()?;
-              if !_aidl_status.is_ok() { return Err(_aidl_status); }
-              let _aidl_return: crate::mangled::_7_android_8_hardware_7_keymint_19_KeyMintHardwareInfo = _aidl_reply.read()?;
-              Ok(_aidl_return)
-            }
-            fn verifyAuthorization(&self, _arg_challenge: i64, _arg_parametersToVerify: &[crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter], _arg_token: &crate::mangled::_7_android_8_hardware_7_keymint_17_HardwareAuthToken) -> binder::public_api::Result<crate::mangled::_7_android_8_hardware_7_keymint_17_VerificationToken> {
-              let _aidl_reply = self.binder.transact(transactions::verifyAuthorization, 0, |_aidl_data| {
-                _aidl_data.write(&_arg_challenge)?;
-                _aidl_data.write(_arg_parametersToVerify)?;
-                _aidl_data.write(_arg_token)?;
-                Ok(())
-              });
-              if let Err(binder::StatusCode::UNKNOWN_TRANSACTION) = _aidl_reply {
-                if let Some(_aidl_default_impl) = <Self as IKeyMintDevice>::getDefaultImpl() {
-                  return _aidl_default_impl.verifyAuthorization(_arg_challenge, _arg_parametersToVerify, _arg_token);
-                }
-              }
-              let _aidl_reply = _aidl_reply?;
-              let _aidl_status: binder::Status = _aidl_reply.read()?;
-              if !_aidl_status.is_ok() { return Err(_aidl_status); }
-              let _aidl_return: crate::mangled::_7_android_8_hardware_7_keymint_17_VerificationToken = _aidl_reply.read()?;
-              Ok(_aidl_return)
-            }
-            fn addRngEntropy(&self, _arg_data: &[u8]) -> binder::public_api::Result<()> {
-              let _aidl_reply = self.binder.transact(transactions::addRngEntropy, 0, |_aidl_data| {
-                _aidl_data.write(_arg_data)?;
-                Ok(())
-              });
-              if let Err(binder::StatusCode::UNKNOWN_TRANSACTION) = _aidl_reply {
-                if let Some(_aidl_default_impl) = <Self as IKeyMintDevice>::getDefaultImpl() {
-                  return _aidl_default_impl.addRngEntropy(_arg_data);
-                }
-              }
-              let _aidl_reply = _aidl_reply?;
-              let _aidl_status: binder::Status = _aidl_reply.read()?;
-              if !_aidl_status.is_ok() { return Err(_aidl_status); }
-              Ok(())
-            }
-            fn generateKey(&self, _arg_keyParams: &[crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter], _arg_generatedKeyBlob: &mut Vec<u8>, _arg_generatedKeyCharacteristics: &mut crate::mangled::_7_android_8_hardware_7_keymint_18_KeyCharacteristics, _arg_outCertChain: &mut Vec<crate::mangled::_7_android_8_hardware_7_keymint_11_Certificate>) -> binder::public_api::Result<()> {
-              let _aidl_reply = self.binder.transact(transactions::generateKey, 0, |_aidl_data| {
-                _aidl_data.write(_arg_keyParams)?;
-                _aidl_data.write_slice_size(Some(_arg_generatedKeyBlob))?;
-                _aidl_data.write_slice_size(Some(_arg_outCertChain))?;
-                Ok(())
-              });
-              if let Err(binder::StatusCode::UNKNOWN_TRANSACTION) = _aidl_reply {
-                if let Some(_aidl_default_impl) = <Self as IKeyMintDevice>::getDefaultImpl() {
-                  return _aidl_default_impl.generateKey(_arg_keyParams, _arg_generatedKeyBlob, _arg_generatedKeyCharacteristics, _arg_outCertChain);
-                }
-              }
-              let _aidl_reply = _aidl_reply?;
-              let _aidl_status: binder::Status = _aidl_reply.read()?;
-              if !_aidl_status.is_ok() { return Err(_aidl_status); }
-              *_arg_generatedKeyBlob = _aidl_reply.read()?;
-              *_arg_generatedKeyCharacteristics = _aidl_reply.read()?;
-              *_arg_outCertChain = _aidl_reply.read()?;
-              Ok(())
-            }
-            fn importKey(&self, _arg_inKeyParams: &[crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter], _arg_inKeyFormat: crate::mangled::_7_android_8_hardware_7_keymint_9_KeyFormat, _arg_inKeyData: &[u8], _arg_outImportedKeyBlob: &mut Vec<u8>, _arg_outImportedKeyCharacteristics: &mut crate::mangled::_7_android_8_hardware_7_keymint_18_KeyCharacteristics, _arg_outCertChain: &mut Vec<crate::mangled::_7_android_8_hardware_7_keymint_11_Certificate>) -> binder::public_api::Result<()> {
-              let _aidl_reply = self.binder.transact(transactions::importKey, 0, |_aidl_data| {
-                _aidl_data.write(_arg_inKeyParams)?;
-                _aidl_data.write(&_arg_inKeyFormat)?;
-                _aidl_data.write(_arg_inKeyData)?;
-                _aidl_data.write_slice_size(Some(_arg_outImportedKeyBlob))?;
-                _aidl_data.write_slice_size(Some(_arg_outCertChain))?;
-                Ok(())
-              });
-              if let Err(binder::StatusCode::UNKNOWN_TRANSACTION) = _aidl_reply {
-                if let Some(_aidl_default_impl) = <Self as IKeyMintDevice>::getDefaultImpl() {
-                  return _aidl_default_impl.importKey(_arg_inKeyParams, _arg_inKeyFormat, _arg_inKeyData, _arg_outImportedKeyBlob, _arg_outImportedKeyCharacteristics, _arg_outCertChain);
-                }
-              }
-              let _aidl_reply = _aidl_reply?;
-              let _aidl_status: binder::Status = _aidl_reply.read()?;
-              if !_aidl_status.is_ok() { return Err(_aidl_status); }
-              *_arg_outImportedKeyBlob = _aidl_reply.read()?;
-              *_arg_outImportedKeyCharacteristics = _aidl_reply.read()?;
-              *_arg_outCertChain = _aidl_reply.read()?;
-              Ok(())
-            }
-            fn importWrappedKey(&self, _arg_inWrappedKeyData: &[u8], _arg_inWrappingKeyBlob: &[u8], _arg_inMaskingKey: &[u8], _arg_inUnwrappingParams: &[crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter], _arg_inPasswordSid: i64, _arg_inBiometricSid: i64, _arg_outImportedKeyBlob: &mut Vec<u8>, _arg_outImportedKeyCharacteristics: &mut crate::mangled::_7_android_8_hardware_7_keymint_18_KeyCharacteristics) -> binder::public_api::Result<()> {
-              let _aidl_reply = self.binder.transact(transactions::importWrappedKey, 0, |_aidl_data| {
-                _aidl_data.write(_arg_inWrappedKeyData)?;
-                _aidl_data.write(_arg_inWrappingKeyBlob)?;
-                _aidl_data.write(_arg_inMaskingKey)?;
-                _aidl_data.write(_arg_inUnwrappingParams)?;
-                _aidl_data.write(&_arg_inPasswordSid)?;
-                _aidl_data.write(&_arg_inBiometricSid)?;
-                _aidl_data.write_slice_size(Some(_arg_outImportedKeyBlob))?;
-                Ok(())
-              });
-              if let Err(binder::StatusCode::UNKNOWN_TRANSACTION) = _aidl_reply {
-                if let Some(_aidl_default_impl) = <Self as IKeyMintDevice>::getDefaultImpl() {
-                  return _aidl_default_impl.importWrappedKey(_arg_inWrappedKeyData, _arg_inWrappingKeyBlob, _arg_inMaskingKey, _arg_inUnwrappingParams, _arg_inPasswordSid, _arg_inBiometricSid, _arg_outImportedKeyBlob, _arg_outImportedKeyCharacteristics);
-                }
-              }
-              let _aidl_reply = _aidl_reply?;
-              let _aidl_status: binder::Status = _aidl_reply.read()?;
-              if !_aidl_status.is_ok() { return Err(_aidl_status); }
-              *_arg_outImportedKeyBlob = _aidl_reply.read()?;
-              *_arg_outImportedKeyCharacteristics = _aidl_reply.read()?;
-              Ok(())
-            }
-            fn upgradeKey(&self, _arg_inKeyBlobToUpgrade: &[u8], _arg_inUpgradeParams: &[crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter]) -> binder::public_api::Result<Vec<u8>> {
-              let _aidl_reply = self.binder.transact(transactions::upgradeKey, 0, |_aidl_data| {
-                _aidl_data.write(_arg_inKeyBlobToUpgrade)?;
-                _aidl_data.write(_arg_inUpgradeParams)?;
-                Ok(())
-              });
-              if let Err(binder::StatusCode::UNKNOWN_TRANSACTION) = _aidl_reply {
-                if let Some(_aidl_default_impl) = <Self as IKeyMintDevice>::getDefaultImpl() {
-                  return _aidl_default_impl.upgradeKey(_arg_inKeyBlobToUpgrade, _arg_inUpgradeParams);
-                }
-              }
-              let _aidl_reply = _aidl_reply?;
-              let _aidl_status: binder::Status = _aidl_reply.read()?;
-              if !_aidl_status.is_ok() { return Err(_aidl_status); }
-              let _aidl_return: Vec<u8> = _aidl_reply.read()?;
-              Ok(_aidl_return)
-            }
-            fn deleteKey(&self, _arg_inKeyBlob: &[u8]) -> binder::public_api::Result<()> {
-              let _aidl_reply = self.binder.transact(transactions::deleteKey, 0, |_aidl_data| {
-                _aidl_data.write(_arg_inKeyBlob)?;
-                Ok(())
-              });
-              if let Err(binder::StatusCode::UNKNOWN_TRANSACTION) = _aidl_reply {
-                if let Some(_aidl_default_impl) = <Self as IKeyMintDevice>::getDefaultImpl() {
-                  return _aidl_default_impl.deleteKey(_arg_inKeyBlob);
-                }
-              }
-              let _aidl_reply = _aidl_reply?;
-              let _aidl_status: binder::Status = _aidl_reply.read()?;
-              if !_aidl_status.is_ok() { return Err(_aidl_status); }
-              Ok(())
-            }
-            fn deleteAllKeys(&self) -> binder::public_api::Result<()> {
-              let _aidl_reply = self.binder.transact(transactions::deleteAllKeys, 0, |_aidl_data| {
-                Ok(())
-              });
-              if let Err(binder::StatusCode::UNKNOWN_TRANSACTION) = _aidl_reply {
-                if let Some(_aidl_default_impl) = <Self as IKeyMintDevice>::getDefaultImpl() {
-                  return _aidl_default_impl.deleteAllKeys();
-                }
-              }
-              let _aidl_reply = _aidl_reply?;
-              let _aidl_status: binder::Status = _aidl_reply.read()?;
-              if !_aidl_status.is_ok() { return Err(_aidl_status); }
-              Ok(())
-            }
-            fn destroyAttestationIds(&self) -> binder::public_api::Result<()> {
-              let _aidl_reply = self.binder.transact(transactions::destroyAttestationIds, 0, |_aidl_data| {
-                Ok(())
-              });
-              if let Err(binder::StatusCode::UNKNOWN_TRANSACTION) = _aidl_reply {
-                if let Some(_aidl_default_impl) = <Self as IKeyMintDevice>::getDefaultImpl() {
-                  return _aidl_default_impl.destroyAttestationIds();
-                }
-              }
-              let _aidl_reply = _aidl_reply?;
-              let _aidl_status: binder::Status = _aidl_reply.read()?;
-              if !_aidl_status.is_ok() { return Err(_aidl_status); }
-              Ok(())
-            }
-            fn begin(&self, _arg_inPurpose: crate::mangled::_7_android_8_hardware_7_keymint_10_KeyPurpose, _arg_inKeyBlob: &[u8], _arg_inParams: &[crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter], _arg_inAuthToken: &crate::mangled::_7_android_8_hardware_7_keymint_17_HardwareAuthToken) -> binder::public_api::Result<crate::mangled::_7_android_8_hardware_7_keymint_11_BeginResult> {
-              let _aidl_reply = self.binder.transact(transactions::begin, 0, |_aidl_data| {
-                _aidl_data.write(&_arg_inPurpose)?;
-                _aidl_data.write(_arg_inKeyBlob)?;
-                _aidl_data.write(_arg_inParams)?;
-                _aidl_data.write(_arg_inAuthToken)?;
-                Ok(())
-              });
-              if let Err(binder::StatusCode::UNKNOWN_TRANSACTION) = _aidl_reply {
-                if let Some(_aidl_default_impl) = <Self as IKeyMintDevice>::getDefaultImpl() {
-                  return _aidl_default_impl.begin(_arg_inPurpose, _arg_inKeyBlob, _arg_inParams, _arg_inAuthToken);
-                }
-              }
-              let _aidl_reply = _aidl_reply?;
-              let _aidl_status: binder::Status = _aidl_reply.read()?;
-              if !_aidl_status.is_ok() { return Err(_aidl_status); }
-              let _aidl_return: crate::mangled::_7_android_8_hardware_7_keymint_11_BeginResult = _aidl_reply.read()?;
-              Ok(_aidl_return)
-            }
-          }
-          impl IKeyMintDevice for binder::Binder<BnKeyMintDevice> {
-            fn getHardwareInfo(&self) -> binder::public_api::Result<crate::mangled::_7_android_8_hardware_7_keymint_19_KeyMintHardwareInfo> { self.0.getHardwareInfo() }
-            fn verifyAuthorization(&self, _arg_challenge: i64, _arg_parametersToVerify: &[crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter], _arg_token: &crate::mangled::_7_android_8_hardware_7_keymint_17_HardwareAuthToken) -> binder::public_api::Result<crate::mangled::_7_android_8_hardware_7_keymint_17_VerificationToken> { self.0.verifyAuthorization(_arg_challenge, _arg_parametersToVerify, _arg_token) }
-            fn addRngEntropy(&self, _arg_data: &[u8]) -> binder::public_api::Result<()> { self.0.addRngEntropy(_arg_data) }
-            fn generateKey(&self, _arg_keyParams: &[crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter], _arg_generatedKeyBlob: &mut Vec<u8>, _arg_generatedKeyCharacteristics: &mut crate::mangled::_7_android_8_hardware_7_keymint_18_KeyCharacteristics, _arg_outCertChain: &mut Vec<crate::mangled::_7_android_8_hardware_7_keymint_11_Certificate>) -> binder::public_api::Result<()> { self.0.generateKey(_arg_keyParams, _arg_generatedKeyBlob, _arg_generatedKeyCharacteristics, _arg_outCertChain) }
-            fn importKey(&self, _arg_inKeyParams: &[crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter], _arg_inKeyFormat: crate::mangled::_7_android_8_hardware_7_keymint_9_KeyFormat, _arg_inKeyData: &[u8], _arg_outImportedKeyBlob: &mut Vec<u8>, _arg_outImportedKeyCharacteristics: &mut crate::mangled::_7_android_8_hardware_7_keymint_18_KeyCharacteristics, _arg_outCertChain: &mut Vec<crate::mangled::_7_android_8_hardware_7_keymint_11_Certificate>) -> binder::public_api::Result<()> { self.0.importKey(_arg_inKeyParams, _arg_inKeyFormat, _arg_inKeyData, _arg_outImportedKeyBlob, _arg_outImportedKeyCharacteristics, _arg_outCertChain) }
-            fn importWrappedKey(&self, _arg_inWrappedKeyData: &[u8], _arg_inWrappingKeyBlob: &[u8], _arg_inMaskingKey: &[u8], _arg_inUnwrappingParams: &[crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter], _arg_inPasswordSid: i64, _arg_inBiometricSid: i64, _arg_outImportedKeyBlob: &mut Vec<u8>, _arg_outImportedKeyCharacteristics: &mut crate::mangled::_7_android_8_hardware_7_keymint_18_KeyCharacteristics) -> binder::public_api::Result<()> { self.0.importWrappedKey(_arg_inWrappedKeyData, _arg_inWrappingKeyBlob, _arg_inMaskingKey, _arg_inUnwrappingParams, _arg_inPasswordSid, _arg_inBiometricSid, _arg_outImportedKeyBlob, _arg_outImportedKeyCharacteristics) }
-            fn upgradeKey(&self, _arg_inKeyBlobToUpgrade: &[u8], _arg_inUpgradeParams: &[crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter]) -> binder::public_api::Result<Vec<u8>> { self.0.upgradeKey(_arg_inKeyBlobToUpgrade, _arg_inUpgradeParams) }
-            fn deleteKey(&self, _arg_inKeyBlob: &[u8]) -> binder::public_api::Result<()> { self.0.deleteKey(_arg_inKeyBlob) }
-            fn deleteAllKeys(&self) -> binder::public_api::Result<()> { self.0.deleteAllKeys() }
-            fn destroyAttestationIds(&self) -> binder::public_api::Result<()> { self.0.destroyAttestationIds() }
-            fn begin(&self, _arg_inPurpose: crate::mangled::_7_android_8_hardware_7_keymint_10_KeyPurpose, _arg_inKeyBlob: &[u8], _arg_inParams: &[crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter], _arg_inAuthToken: &crate::mangled::_7_android_8_hardware_7_keymint_17_HardwareAuthToken) -> binder::public_api::Result<crate::mangled::_7_android_8_hardware_7_keymint_11_BeginResult> { self.0.begin(_arg_inPurpose, _arg_inKeyBlob, _arg_inParams, _arg_inAuthToken) }
-          }
-          fn on_transact(_aidl_service: &dyn IKeyMintDevice, _aidl_code: binder::TransactionCode, _aidl_data: &binder::parcel::Parcel, _aidl_reply: &mut binder::parcel::Parcel) -> binder::Result<()> {
-            match _aidl_code {
-              transactions::getHardwareInfo => {
-                let _aidl_return = _aidl_service.getHardwareInfo();
-                match &_aidl_return {
-                  Ok(_aidl_return) => {
-                    _aidl_reply.write(&binder::Status::from(binder::StatusCode::OK))?;
-                    _aidl_reply.write(_aidl_return)?;
-                  }
-                  Err(_aidl_status) => _aidl_reply.write(_aidl_status)?
-                }
-                Ok(())
-              }
-              transactions::verifyAuthorization => {
-                let _arg_challenge: i64 = _aidl_data.read()?;
-                let _arg_parametersToVerify: Vec<crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter> = _aidl_data.read()?;
-                let _arg_token: crate::mangled::_7_android_8_hardware_7_keymint_17_HardwareAuthToken = _aidl_data.read()?;
-                let _aidl_return = _aidl_service.verifyAuthorization(_arg_challenge, &_arg_parametersToVerify, &_arg_token);
-                match &_aidl_return {
-                  Ok(_aidl_return) => {
-                    _aidl_reply.write(&binder::Status::from(binder::StatusCode::OK))?;
-                    _aidl_reply.write(_aidl_return)?;
-                  }
-                  Err(_aidl_status) => _aidl_reply.write(_aidl_status)?
-                }
-                Ok(())
-              }
-              transactions::addRngEntropy => {
-                let _arg_data: Vec<u8> = _aidl_data.read()?;
-                let _aidl_return = _aidl_service.addRngEntropy(&_arg_data);
-                match &_aidl_return {
-                  Ok(_aidl_return) => {
-                    _aidl_reply.write(&binder::Status::from(binder::StatusCode::OK))?;
-                  }
-                  Err(_aidl_status) => _aidl_reply.write(_aidl_status)?
-                }
-                Ok(())
-              }
-              transactions::generateKey => {
-                let _arg_keyParams: Vec<crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter> = _aidl_data.read()?;
-                let mut _arg_generatedKeyBlob: Vec<u8> = Default::default();
-                _aidl_data.resize_out_vec(&mut _arg_generatedKeyBlob)?;
-                let mut _arg_generatedKeyCharacteristics: crate::mangled::_7_android_8_hardware_7_keymint_18_KeyCharacteristics = Default::default();
-                let mut _arg_outCertChain: Vec<crate::mangled::_7_android_8_hardware_7_keymint_11_Certificate> = Default::default();
-                _aidl_data.resize_out_vec(&mut _arg_outCertChain)?;
-                let _aidl_return = _aidl_service.generateKey(&_arg_keyParams, &mut _arg_generatedKeyBlob, &mut _arg_generatedKeyCharacteristics, &mut _arg_outCertChain);
-                match &_aidl_return {
-                  Ok(_aidl_return) => {
-                    _aidl_reply.write(&binder::Status::from(binder::StatusCode::OK))?;
-                    _aidl_reply.write(&_arg_generatedKeyBlob)?;
-                    _aidl_reply.write(&_arg_generatedKeyCharacteristics)?;
-                    _aidl_reply.write(&_arg_outCertChain)?;
-                  }
-                  Err(_aidl_status) => _aidl_reply.write(_aidl_status)?
-                }
-                Ok(())
-              }
-              transactions::importKey => {
-                let _arg_inKeyParams: Vec<crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter> = _aidl_data.read()?;
-                let _arg_inKeyFormat: crate::mangled::_7_android_8_hardware_7_keymint_9_KeyFormat = _aidl_data.read()?;
-                let _arg_inKeyData: Vec<u8> = _aidl_data.read()?;
-                let mut _arg_outImportedKeyBlob: Vec<u8> = Default::default();
-                _aidl_data.resize_out_vec(&mut _arg_outImportedKeyBlob)?;
-                let mut _arg_outImportedKeyCharacteristics: crate::mangled::_7_android_8_hardware_7_keymint_18_KeyCharacteristics = Default::default();
-                let mut _arg_outCertChain: Vec<crate::mangled::_7_android_8_hardware_7_keymint_11_Certificate> = Default::default();
-                _aidl_data.resize_out_vec(&mut _arg_outCertChain)?;
-                let _aidl_return = _aidl_service.importKey(&_arg_inKeyParams, _arg_inKeyFormat, &_arg_inKeyData, &mut _arg_outImportedKeyBlob, &mut _arg_outImportedKeyCharacteristics, &mut _arg_outCertChain);
-                match &_aidl_return {
-                  Ok(_aidl_return) => {
-                    _aidl_reply.write(&binder::Status::from(binder::StatusCode::OK))?;
-                    _aidl_reply.write(&_arg_outImportedKeyBlob)?;
-                    _aidl_reply.write(&_arg_outImportedKeyCharacteristics)?;
-                    _aidl_reply.write(&_arg_outCertChain)?;
-                  }
-                  Err(_aidl_status) => _aidl_reply.write(_aidl_status)?
-                }
-                Ok(())
-              }
-              transactions::importWrappedKey => {
-                let _arg_inWrappedKeyData: Vec<u8> = _aidl_data.read()?;
-                let _arg_inWrappingKeyBlob: Vec<u8> = _aidl_data.read()?;
-                let _arg_inMaskingKey: Vec<u8> = _aidl_data.read()?;
-                let _arg_inUnwrappingParams: Vec<crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter> = _aidl_data.read()?;
-                let _arg_inPasswordSid: i64 = _aidl_data.read()?;
-                let _arg_inBiometricSid: i64 = _aidl_data.read()?;
-                let mut _arg_outImportedKeyBlob: Vec<u8> = Default::default();
-                _aidl_data.resize_out_vec(&mut _arg_outImportedKeyBlob)?;
-                let mut _arg_outImportedKeyCharacteristics: crate::mangled::_7_android_8_hardware_7_keymint_18_KeyCharacteristics = Default::default();
-                let _aidl_return = _aidl_service.importWrappedKey(&_arg_inWrappedKeyData, &_arg_inWrappingKeyBlob, &_arg_inMaskingKey, &_arg_inUnwrappingParams, _arg_inPasswordSid, _arg_inBiometricSid, &mut _arg_outImportedKeyBlob, &mut _arg_outImportedKeyCharacteristics);
-                match &_aidl_return {
-                  Ok(_aidl_return) => {
-                    _aidl_reply.write(&binder::Status::from(binder::StatusCode::OK))?;
-                    _aidl_reply.write(&_arg_outImportedKeyBlob)?;
-                    _aidl_reply.write(&_arg_outImportedKeyCharacteristics)?;
-                  }
-                  Err(_aidl_status) => _aidl_reply.write(_aidl_status)?
-                }
-                Ok(())
-              }
-              transactions::upgradeKey => {
-                let _arg_inKeyBlobToUpgrade: Vec<u8> = _aidl_data.read()?;
-                let _arg_inUpgradeParams: Vec<crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter> = _aidl_data.read()?;
-                let _aidl_return = _aidl_service.upgradeKey(&_arg_inKeyBlobToUpgrade, &_arg_inUpgradeParams);
-                match &_aidl_return {
-                  Ok(_aidl_return) => {
-                    _aidl_reply.write(&binder::Status::from(binder::StatusCode::OK))?;
-                    _aidl_reply.write(_aidl_return)?;
-                  }
-                  Err(_aidl_status) => _aidl_reply.write(_aidl_status)?
-                }
-                Ok(())
-              }
-              transactions::deleteKey => {
-                let _arg_inKeyBlob: Vec<u8> = _aidl_data.read()?;
-                let _aidl_return = _aidl_service.deleteKey(&_arg_inKeyBlob);
-                match &_aidl_return {
-                  Ok(_aidl_return) => {
-                    _aidl_reply.write(&binder::Status::from(binder::StatusCode::OK))?;
-                  }
-                  Err(_aidl_status) => _aidl_reply.write(_aidl_status)?
-                }
-                Ok(())
-              }
-              transactions::deleteAllKeys => {
-                let _aidl_return = _aidl_service.deleteAllKeys();
-                match &_aidl_return {
-                  Ok(_aidl_return) => {
-                    _aidl_reply.write(&binder::Status::from(binder::StatusCode::OK))?;
-                  }
-                  Err(_aidl_status) => _aidl_reply.write(_aidl_status)?
-                }
-                Ok(())
-              }
-              transactions::destroyAttestationIds => {
-                let _aidl_return = _aidl_service.destroyAttestationIds();
-                match &_aidl_return {
-                  Ok(_aidl_return) => {
-                    _aidl_reply.write(&binder::Status::from(binder::StatusCode::OK))?;
-                  }
-                  Err(_aidl_status) => _aidl_reply.write(_aidl_status)?
-                }
-                Ok(())
-              }
-              transactions::begin => {
-                let _arg_inPurpose: crate::mangled::_7_android_8_hardware_7_keymint_10_KeyPurpose = _aidl_data.read()?;
-                let _arg_inKeyBlob: Vec<u8> = _aidl_data.read()?;
-                let _arg_inParams: Vec<crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter> = _aidl_data.read()?;
-                let _arg_inAuthToken: crate::mangled::_7_android_8_hardware_7_keymint_17_HardwareAuthToken = _aidl_data.read()?;
-                let _aidl_return = _aidl_service.begin(_arg_inPurpose, &_arg_inKeyBlob, &_arg_inParams, &_arg_inAuthToken);
-                match &_aidl_return {
-                  Ok(_aidl_return) => {
-                    _aidl_reply.write(&binder::Status::from(binder::StatusCode::OK))?;
-                    _aidl_reply.write(_aidl_return)?;
-                  }
-                  Err(_aidl_status) => _aidl_reply.write(_aidl_status)?
-                }
-                Ok(())
-              }
-              _ => Err(binder::StatusCode::UNKNOWN_TRANSACTION)
-            }
-          }
-        }
-        pub mod IKeyMintOperation {
-          #![allow(non_upper_case_globals)]
-          #![allow(non_snake_case)]
-          #[allow(unused_imports)] use binder::IBinder;
-          use binder::declare_binder_interface;
-          declare_binder_interface! {
-            IKeyMintOperation["android.hardware.keymint.IKeyMintOperation"] {
-              native: BnKeyMintOperation(on_transact),
-              proxy: BpKeyMintOperation {
-              },
-            }
-          }
-          pub trait IKeyMintOperation: binder::Interface + Send {
-            fn get_descriptor() -> &'static str where Self: Sized { "android.hardware.keymint.IKeyMintOperation" }
-            fn update(&self, _arg_inParams: &[crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter], _arg_input: &[u8], _arg_inVerificationToken: &crate::mangled::_7_android_8_hardware_7_keymint_17_VerificationToken, _arg_outParams: &mut Vec<crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter>, _arg_output: &mut Vec<u8>) -> binder::public_api::Result<i32> {
-              Err(binder::StatusCode::UNKNOWN_TRANSACTION.into())
-            }
-            fn finish(&self, _arg_inParams: &[crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter], _arg_input: &[u8], _arg_inSignature: &[u8], _arg_authToken: &crate::mangled::_7_android_8_hardware_7_keymint_17_HardwareAuthToken, _arg_inVerificationToken: &crate::mangled::_7_android_8_hardware_7_keymint_17_VerificationToken, _arg_outParams: &mut Vec<crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter>, _arg_output: &mut Vec<u8>) -> binder::public_api::Result<()> {
-              Err(binder::StatusCode::UNKNOWN_TRANSACTION.into())
-            }
-            fn abort(&self) -> binder::public_api::Result<()> {
-              Err(binder::StatusCode::UNKNOWN_TRANSACTION.into())
-            }
-            fn getDefaultImpl() -> IKeyMintOperationDefault where Self: Sized {
-              DEFAULT_IMPL.lock().unwrap().clone()
-            }
-            fn setDefaultImpl(d: IKeyMintOperationDefault) -> IKeyMintOperationDefault where Self: Sized {
-              std::mem::replace(&mut *DEFAULT_IMPL.lock().unwrap(), d)
-            }
-          }
-          pub mod transactions {
-            #[allow(unused_imports)] use binder::IBinder;
-            pub const update: binder::TransactionCode = binder::SpIBinder::FIRST_CALL_TRANSACTION + 0;
-            pub const finish: binder::TransactionCode = binder::SpIBinder::FIRST_CALL_TRANSACTION + 1;
-            pub const abort: binder::TransactionCode = binder::SpIBinder::FIRST_CALL_TRANSACTION + 2;
-          }
-          pub type IKeyMintOperationDefault = Option<std::sync::Arc<dyn IKeyMintOperation + Sync>>;
-          use lazy_static::lazy_static;
-          lazy_static! {
-            static ref DEFAULT_IMPL: std::sync::Mutex<IKeyMintOperationDefault> = std::sync::Mutex::new(None);
-          }
-          pub(crate) mod mangled { pub use super::IKeyMintOperation as _7_android_8_hardware_7_keymint_17_IKeyMintOperation; }
-          impl IKeyMintOperation for BpKeyMintOperation {
-            fn update(&self, _arg_inParams: &[crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter], _arg_input: &[u8], _arg_inVerificationToken: &crate::mangled::_7_android_8_hardware_7_keymint_17_VerificationToken, _arg_outParams: &mut Vec<crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter>, _arg_output: &mut Vec<u8>) -> binder::public_api::Result<i32> {
-              let _aidl_reply = self.binder.transact(transactions::update, 0, |_aidl_data| {
-                _aidl_data.write(_arg_inParams)?;
-                _aidl_data.write(_arg_input)?;
-                _aidl_data.write(_arg_inVerificationToken)?;
-                _aidl_data.write_slice_size(Some(_arg_outParams))?;
-                _aidl_data.write_slice_size(Some(_arg_output))?;
-                Ok(())
-              });
-              if let Err(binder::StatusCode::UNKNOWN_TRANSACTION) = _aidl_reply {
-                if let Some(_aidl_default_impl) = <Self as IKeyMintOperation>::getDefaultImpl() {
-                  return _aidl_default_impl.update(_arg_inParams, _arg_input, _arg_inVerificationToken, _arg_outParams, _arg_output);
-                }
-              }
-              let _aidl_reply = _aidl_reply?;
-              let _aidl_status: binder::Status = _aidl_reply.read()?;
-              if !_aidl_status.is_ok() { return Err(_aidl_status); }
-              let _aidl_return: i32 = _aidl_reply.read()?;
-              *_arg_outParams = _aidl_reply.read()?;
-              *_arg_output = _aidl_reply.read()?;
-              Ok(_aidl_return)
-            }
-            fn finish(&self, _arg_inParams: &[crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter], _arg_input: &[u8], _arg_inSignature: &[u8], _arg_authToken: &crate::mangled::_7_android_8_hardware_7_keymint_17_HardwareAuthToken, _arg_inVerificationToken: &crate::mangled::_7_android_8_hardware_7_keymint_17_VerificationToken, _arg_outParams: &mut Vec<crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter>, _arg_output: &mut Vec<u8>) -> binder::public_api::Result<()> {
-              let _aidl_reply = self.binder.transact(transactions::finish, 0, |_aidl_data| {
-                _aidl_data.write(_arg_inParams)?;
-                _aidl_data.write(_arg_input)?;
-                _aidl_data.write(_arg_inSignature)?;
-                _aidl_data.write(_arg_authToken)?;
-                _aidl_data.write(_arg_inVerificationToken)?;
-                _aidl_data.write_slice_size(Some(_arg_outParams))?;
-                _aidl_data.write_slice_size(Some(_arg_output))?;
-                Ok(())
-              });
-              if let Err(binder::StatusCode::UNKNOWN_TRANSACTION) = _aidl_reply {
-                if let Some(_aidl_default_impl) = <Self as IKeyMintOperation>::getDefaultImpl() {
-                  return _aidl_default_impl.finish(_arg_inParams, _arg_input, _arg_inSignature, _arg_authToken, _arg_inVerificationToken, _arg_outParams, _arg_output);
-                }
-              }
-              let _aidl_reply = _aidl_reply?;
-              let _aidl_status: binder::Status = _aidl_reply.read()?;
-              if !_aidl_status.is_ok() { return Err(_aidl_status); }
-              *_arg_outParams = _aidl_reply.read()?;
-              *_arg_output = _aidl_reply.read()?;
-              Ok(())
-            }
-            fn abort(&self) -> binder::public_api::Result<()> {
-              let _aidl_reply = self.binder.transact(transactions::abort, 0, |_aidl_data| {
-                Ok(())
-              });
-              if let Err(binder::StatusCode::UNKNOWN_TRANSACTION) = _aidl_reply {
-                if let Some(_aidl_default_impl) = <Self as IKeyMintOperation>::getDefaultImpl() {
-                  return _aidl_default_impl.abort();
-                }
-              }
-              let _aidl_reply = _aidl_reply?;
-              let _aidl_status: binder::Status = _aidl_reply.read()?;
-              if !_aidl_status.is_ok() { return Err(_aidl_status); }
-              Ok(())
-            }
-          }
-          impl IKeyMintOperation for binder::Binder<BnKeyMintOperation> {
-            fn update(&self, _arg_inParams: &[crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter], _arg_input: &[u8], _arg_inVerificationToken: &crate::mangled::_7_android_8_hardware_7_keymint_17_VerificationToken, _arg_outParams: &mut Vec<crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter>, _arg_output: &mut Vec<u8>) -> binder::public_api::Result<i32> { self.0.update(_arg_inParams, _arg_input, _arg_inVerificationToken, _arg_outParams, _arg_output) }
-            fn finish(&self, _arg_inParams: &[crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter], _arg_input: &[u8], _arg_inSignature: &[u8], _arg_authToken: &crate::mangled::_7_android_8_hardware_7_keymint_17_HardwareAuthToken, _arg_inVerificationToken: &crate::mangled::_7_android_8_hardware_7_keymint_17_VerificationToken, _arg_outParams: &mut Vec<crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter>, _arg_output: &mut Vec<u8>) -> binder::public_api::Result<()> { self.0.finish(_arg_inParams, _arg_input, _arg_inSignature, _arg_authToken, _arg_inVerificationToken, _arg_outParams, _arg_output) }
-            fn abort(&self) -> binder::public_api::Result<()> { self.0.abort() }
-          }
-          fn on_transact(_aidl_service: &dyn IKeyMintOperation, _aidl_code: binder::TransactionCode, _aidl_data: &binder::parcel::Parcel, _aidl_reply: &mut binder::parcel::Parcel) -> binder::Result<()> {
-            match _aidl_code {
-              transactions::update => {
-                let _arg_inParams: Vec<crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter> = _aidl_data.read()?;
-                let _arg_input: Vec<u8> = _aidl_data.read()?;
-                let _arg_inVerificationToken: crate::mangled::_7_android_8_hardware_7_keymint_17_VerificationToken = _aidl_data.read()?;
-                let mut _arg_outParams: Vec<crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter> = Default::default();
-                _aidl_data.resize_out_vec(&mut _arg_outParams)?;
-                let mut _arg_output: Vec<u8> = Default::default();
-                _aidl_data.resize_out_vec(&mut _arg_output)?;
-                let _aidl_return = _aidl_service.update(&_arg_inParams, &_arg_input, &_arg_inVerificationToken, &mut _arg_outParams, &mut _arg_output);
-                match &_aidl_return {
-                  Ok(_aidl_return) => {
-                    _aidl_reply.write(&binder::Status::from(binder::StatusCode::OK))?;
-                    _aidl_reply.write(_aidl_return)?;
-                    _aidl_reply.write(&_arg_outParams)?;
-                    _aidl_reply.write(&_arg_output)?;
-                  }
-                  Err(_aidl_status) => _aidl_reply.write(_aidl_status)?
-                }
-                Ok(())
-              }
-              transactions::finish => {
-                let _arg_inParams: Vec<crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter> = _aidl_data.read()?;
-                let _arg_input: Vec<u8> = _aidl_data.read()?;
-                let _arg_inSignature: Vec<u8> = _aidl_data.read()?;
-                let _arg_authToken: crate::mangled::_7_android_8_hardware_7_keymint_17_HardwareAuthToken = _aidl_data.read()?;
-                let _arg_inVerificationToken: crate::mangled::_7_android_8_hardware_7_keymint_17_VerificationToken = _aidl_data.read()?;
-                let mut _arg_outParams: Vec<crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter> = Default::default();
-                _aidl_data.resize_out_vec(&mut _arg_outParams)?;
-                let mut _arg_output: Vec<u8> = Default::default();
-                _aidl_data.resize_out_vec(&mut _arg_output)?;
-                let _aidl_return = _aidl_service.finish(&_arg_inParams, &_arg_input, &_arg_inSignature, &_arg_authToken, &_arg_inVerificationToken, &mut _arg_outParams, &mut _arg_output);
-                match &_aidl_return {
-                  Ok(_aidl_return) => {
-                    _aidl_reply.write(&binder::Status::from(binder::StatusCode::OK))?;
-                    _aidl_reply.write(&_arg_outParams)?;
-                    _aidl_reply.write(&_arg_output)?;
-                  }
-                  Err(_aidl_status) => _aidl_reply.write(_aidl_status)?
-                }
-                Ok(())
-              }
-              transactions::abort => {
-                let _aidl_return = _aidl_service.abort();
-                match &_aidl_return {
-                  Ok(_aidl_return) => {
-                    _aidl_reply.write(&binder::Status::from(binder::StatusCode::OK))?;
-                  }
-                  Err(_aidl_status) => _aidl_reply.write(_aidl_status)?
-                }
-                Ok(())
-              }
-              _ => Err(binder::StatusCode::UNKNOWN_TRANSACTION)
-            }
-          }
-        }
-        pub mod KeyCharacteristics {
-          #[derive(Debug)]
-          pub struct KeyCharacteristics {
-            pub softwareEnforced: Vec<crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter>, 
-            pub hardwareEnforced: Vec<crate::mangled::_7_android_8_hardware_7_keymint_12_KeyParameter>, 
-          }
-          pub(crate) mod mangled { pub use super::KeyCharacteristics as _7_android_8_hardware_7_keymint_18_KeyCharacteristics; }
-          impl Default for KeyCharacteristics {
-            fn default() -> Self {
-              Self {
-                softwareEnforced: Default::default(),
-                hardwareEnforced: Default::default(),
-              }
-            }
-          }
-          impl binder::parcel::Serialize for KeyCharacteristics {
-            fn serialize(&self, parcel: &mut binder::parcel::Parcel) -> binder::Result<()> {
-              <Self as binder::parcel::SerializeOption>::serialize_option(Some(self), parcel)
-            }
-          }
-          impl binder::parcel::SerializeArray for KeyCharacteristics {}
-          impl binder::parcel::SerializeOption for KeyCharacteristics {
-            fn serialize_option(this: Option<&Self>, parcel: &mut binder::parcel::Parcel) -> binder::Result<()> {
-              let this = if let Some(this) = this {
-                parcel.write(&1i32)?;
-                this
-              } else {
-                return parcel.write(&0i32);
-              };
-              let start_pos = parcel.get_data_position();
-              parcel.write(&0i32)?;
-              parcel.write(&this.softwareEnforced)?;
-              parcel.write(&this.hardwareEnforced)?;
-              let end_pos = parcel.get_data_position();
-              let parcelable_size = (end_pos - start_pos) as i32;
-              unsafe { parcel.set_data_position(start_pos)?; }
-              parcel.write(&parcelable_size)?;
-              unsafe { parcel.set_data_position(end_pos)?; }
-              Ok(())
-            }
-          }
-          impl binder::parcel::Deserialize for KeyCharacteristics {
-            fn deserialize(parcel: &binder::parcel::Parcel) -> binder::Result<Self> {
-              <Self as binder::parcel::DeserializeOption>::deserialize_option(parcel)
-                 .transpose()
-                 .unwrap_or(Err(binder::StatusCode::UNEXPECTED_NULL))
-            }
-          }
-          impl binder::parcel::DeserializeArray for KeyCharacteristics {}
-          impl binder::parcel::DeserializeOption for KeyCharacteristics {
-            fn deserialize_option(parcel: &binder::parcel::Parcel) -> binder::Result<Option<Self>> {
-              let status: i32 = parcel.read()?;
-              if status == 0 { return Ok(None); }
-              let start_pos = parcel.get_data_position();
-              let parcelable_size: i32 = parcel.read()?;
-              if parcelable_size < 0 { return Err(binder::StatusCode::BAD_VALUE); }
-              let mut result = Self::default();
-              result.softwareEnforced = parcel.read()?;
-              if (parcel.get_data_position() - start_pos) == parcelable_size {
-                return Ok(Some(result));
-              }
-              result.hardwareEnforced = parcel.read()?;
-              if (parcel.get_data_position() - start_pos) == parcelable_size {
-                return Ok(Some(result));
-              }
-              Ok(Some(result))
-            }
-          }
-        }
-        pub mod KeyDerivationFunction {
-          #![allow(non_upper_case_globals)]
-          use binder::declare_binder_enum;
-          declare_binder_enum! { KeyDerivationFunction : i32 {
-            NONE = 0,
-            RFC5869_SHA256 = 1,
-            ISO18033_2_KDF1_SHA1 = 2,
-            ISO18033_2_KDF1_SHA256 = 3,
-            ISO18033_2_KDF2_SHA1 = 4,
-            ISO18033_2_KDF2_SHA256 = 5,
-          } }
-          pub(crate) mod mangled { pub use super::KeyDerivationFunction as _7_android_8_hardware_7_keymint_21_KeyDerivationFunction; }
-        }
-        pub mod KeyFormat {
-          #![allow(non_upper_case_globals)]
-          use binder::declare_binder_enum;
-          declare_binder_enum! { KeyFormat : i32 {
-            X509 = 0,
-            PKCS8 = 1,
-            RAW = 3,
-          } }
-          pub(crate) mod mangled { pub use super::KeyFormat as _7_android_8_hardware_7_keymint_9_KeyFormat; }
-        }
-        pub mod KeyMintHardwareInfo {
-          #[derive(Debug)]
-          pub struct KeyMintHardwareInfo {
-            pub versionNumber: i32, 
-            pub securityLevel: crate::mangled::_7_android_8_hardware_7_keymint_13_SecurityLevel, 
-            pub keyMintName: String, 
-            pub keyMintAuthorName: String, 
-          }
-          pub(crate) mod mangled { pub use super::KeyMintHardwareInfo as _7_android_8_hardware_7_keymint_19_KeyMintHardwareInfo; }
-          impl Default for KeyMintHardwareInfo {
-            fn default() -> Self {
-              Self {
-                versionNumber: 0,
-                securityLevel: Default::default(),
-                keyMintName: Default::default(),
-                keyMintAuthorName: Default::default(),
-              }
-            }
-          }
-          impl binder::parcel::Serialize for KeyMintHardwareInfo {
-            fn serialize(&self, parcel: &mut binder::parcel::Parcel) -> binder::Result<()> {
-              <Self as binder::parcel::SerializeOption>::serialize_option(Some(self), parcel)
-            }
-          }
-          impl binder::parcel::SerializeArray for KeyMintHardwareInfo {}
-          impl binder::parcel::SerializeOption for KeyMintHardwareInfo {
-            fn serialize_option(this: Option<&Self>, parcel: &mut binder::parcel::Parcel) -> binder::Result<()> {
-              let this = if let Some(this) = this {
-                parcel.write(&1i32)?;
-                this
-              } else {
-                return parcel.write(&0i32);
-              };
-              let start_pos = parcel.get_data_position();
-              parcel.write(&0i32)?;
-              parcel.write(&this.versionNumber)?;
-              parcel.write(&this.securityLevel)?;
-              parcel.write(&this.keyMintName)?;
-              parcel.write(&this.keyMintAuthorName)?;
-              let end_pos = parcel.get_data_position();
-              let parcelable_size = (end_pos - start_pos) as i32;
-              unsafe { parcel.set_data_position(start_pos)?; }
-              parcel.write(&parcelable_size)?;
-              unsafe { parcel.set_data_position(end_pos)?; }
-              Ok(())
-            }
-          }
-          impl binder::parcel::Deserialize for KeyMintHardwareInfo {
-            fn deserialize(parcel: &binder::parcel::Parcel) -> binder::Result<Self> {
-              <Self as binder::parcel::DeserializeOption>::deserialize_option(parcel)
-                 .transpose()
-                 .unwrap_or(Err(binder::StatusCode::UNEXPECTED_NULL))
-            }
-          }
-          impl binder::parcel::DeserializeArray for KeyMintHardwareInfo {}
-          impl binder::parcel::DeserializeOption for KeyMintHardwareInfo {
-            fn deserialize_option(parcel: &binder::parcel::Parcel) -> binder::Result<Option<Self>> {
-              let status: i32 = parcel.read()?;
-              if status == 0 { return Ok(None); }
-              let start_pos = parcel.get_data_position();
-              let parcelable_size: i32 = parcel.read()?;
-              if parcelable_size < 0 { return Err(binder::StatusCode::BAD_VALUE); }
-              let mut result = Self::default();
-              result.versionNumber = parcel.read()?;
-              if (parcel.get_data_position() - start_pos) == parcelable_size {
-                return Ok(Some(result));
-              }
-              result.securityLevel = parcel.read()?;
-              if (parcel.get_data_position() - start_pos) == parcelable_size {
-                return Ok(Some(result));
-              }
-              result.keyMintName = parcel.read()?;
-              if (parcel.get_data_position() - start_pos) == parcelable_size {
-                return Ok(Some(result));
-              }
-              result.keyMintAuthorName = parcel.read()?;
-              if (parcel.get_data_position() - start_pos) == parcelable_size {
-                return Ok(Some(result));
-              }
-              Ok(Some(result))
-            }
-          }
-        }
-        pub mod KeyOrigin {
-          #![allow(non_upper_case_globals)]
-          use binder::declare_binder_enum;
-          declare_binder_enum! { KeyOrigin : i32 {
-            GENERATED = 0,
-            DERIVED = 1,
-            IMPORTED = 2,
-            RESERVED = 3,
-            SECURELY_IMPORTED = 4,
-          } }
-          pub(crate) mod mangled { pub use super::KeyOrigin as _7_android_8_hardware_7_keymint_9_KeyOrigin; }
-        }
-        pub mod KeyParameter {
-          #[derive(Debug)]
-          pub struct KeyParameter {
-            pub tag: crate::mangled::_7_android_8_hardware_7_keymint_3_Tag, 
-            pub boolValue: bool, 
-            pub integer: i32, 
-            pub longInteger: i64, 
-            pub dateTime: i64, 
-            pub blob: Vec<u8>, 
-          }
-          pub(crate) mod mangled { pub use super::KeyParameter as _7_android_8_hardware_7_keymint_12_KeyParameter; }
-          impl Default for KeyParameter {
-            fn default() -> Self {
-              Self {
-                tag: Default::default(),
-                boolValue: false,
-                integer: 0,
-                longInteger: 0,
-                dateTime: 0,
-                blob: Default::default(),
-              }
-            }
-          }
-          impl binder::parcel::Serialize for KeyParameter {
-            fn serialize(&self, parcel: &mut binder::parcel::Parcel) -> binder::Result<()> {
-              <Self as binder::parcel::SerializeOption>::serialize_option(Some(self), parcel)
-            }
-          }
-          impl binder::parcel::SerializeArray for KeyParameter {}
-          impl binder::parcel::SerializeOption for KeyParameter {
-            fn serialize_option(this: Option<&Self>, parcel: &mut binder::parcel::Parcel) -> binder::Result<()> {
-              let this = if let Some(this) = this {
-                parcel.write(&1i32)?;
-                this
-              } else {
-                return parcel.write(&0i32);
-              };
-              let start_pos = parcel.get_data_position();
-              parcel.write(&0i32)?;
-              parcel.write(&this.tag)?;
-              parcel.write(&this.boolValue)?;
-              parcel.write(&this.integer)?;
-              parcel.write(&this.longInteger)?;
-              parcel.write(&this.dateTime)?;
-              parcel.write(&this.blob)?;
-              let end_pos = parcel.get_data_position();
-              let parcelable_size = (end_pos - start_pos) as i32;
-              unsafe { parcel.set_data_position(start_pos)?; }
-              parcel.write(&parcelable_size)?;
-              unsafe { parcel.set_data_position(end_pos)?; }
-              Ok(())
-            }
-          }
-          impl binder::parcel::Deserialize for KeyParameter {
-            fn deserialize(parcel: &binder::parcel::Parcel) -> binder::Result<Self> {
-              <Self as binder::parcel::DeserializeOption>::deserialize_option(parcel)
-                 .transpose()
-                 .unwrap_or(Err(binder::StatusCode::UNEXPECTED_NULL))
-            }
-          }
-          impl binder::parcel::DeserializeArray for KeyParameter {}
-          impl binder::parcel::DeserializeOption for KeyParameter {
-            fn deserialize_option(parcel: &binder::parcel::Parcel) -> binder::Result<Option<Self>> {
-              let status: i32 = parcel.read()?;
-              if status == 0 { return Ok(None); }
-              let start_pos = parcel.get_data_position();
-              let parcelable_size: i32 = parcel.read()?;
-              if parcelable_size < 0 { return Err(binder::StatusCode::BAD_VALUE); }
-              let mut result = Self::default();
-              result.tag = parcel.read()?;
-              if (parcel.get_data_position() - start_pos) == parcelable_size {
-                return Ok(Some(result));
-              }
-              result.boolValue = parcel.read()?;
-              if (parcel.get_data_position() - start_pos) == parcelable_size {
-                return Ok(Some(result));
-              }
-              result.integer = parcel.read()?;
-              if (parcel.get_data_position() - start_pos) == parcelable_size {
-                return Ok(Some(result));
-              }
-              result.longInteger = parcel.read()?;
-              if (parcel.get_data_position() - start_pos) == parcelable_size {
-                return Ok(Some(result));
-              }
-              result.dateTime = parcel.read()?;
-              if (parcel.get_data_position() - start_pos) == parcelable_size {
-                return Ok(Some(result));
-              }
-              result.blob = parcel.read()?;
-              if (parcel.get_data_position() - start_pos) == parcelable_size {
-                return Ok(Some(result));
-              }
-              Ok(Some(result))
-            }
-          }
-        }
-        pub mod KeyPurpose {
-          #![allow(non_upper_case_globals)]
-          use binder::declare_binder_enum;
-          declare_binder_enum! { KeyPurpose : i32 {
-            ENCRYPT = 0,
-            DECRYPT = 1,
-            SIGN = 2,
-            VERIFY = 3,
-            WRAP_KEY = 5,
-          } }
-          pub(crate) mod mangled { pub use super::KeyPurpose as _7_android_8_hardware_7_keymint_10_KeyPurpose; }
-        }
-        pub mod PaddingMode {
-          #![allow(non_upper_case_globals)]
-          use binder::declare_binder_enum;
-          declare_binder_enum! { PaddingMode : i32 {
-            NONE = 1,
-            RSA_OAEP = 2,
-            RSA_PSS = 3,
-            RSA_PKCS1_1_5_ENCRYPT = 4,
-            RSA_PKCS1_1_5_SIGN = 5,
-            PKCS7 = 64,
-          } }
-          pub(crate) mod mangled { pub use super::PaddingMode as _7_android_8_hardware_7_keymint_11_PaddingMode; }
-        }
-        pub mod SecurityLevel {
-          #![allow(non_upper_case_globals)]
-          use binder::declare_binder_enum;
-          declare_binder_enum! { SecurityLevel : i32 {
-            SOFTWARE = 0,
-            TRUSTED_ENVIRONMENT = 1,
-            STRONGBOX = 2,
-          } }
-          pub(crate) mod mangled { pub use super::SecurityLevel as _7_android_8_hardware_7_keymint_13_SecurityLevel; }
-        }
-        pub mod Tag {
-          #![allow(non_upper_case_globals)]
-          use binder::declare_binder_enum;
-          declare_binder_enum! { Tag : i32 {
-            INVALID = 0,
-            PURPOSE = 536870913,
-            ALGORITHM = 268435458,
-            KEY_SIZE = 805306371,
-            BLOCK_MODE = 536870916,
-            DIGEST = 536870917,
-            PADDING = 536870918,
-            CALLER_NONCE = 1879048199,
-            MIN_MAC_LENGTH = 805306376,
-            EC_CURVE = 268435466,
-            RSA_PUBLIC_EXPONENT = 1342177480,
-            INCLUDE_UNIQUE_ID = 1879048394,
-            BLOB_USAGE_REQUIREMENTS = 268435757,
-            BOOTLOADER_ONLY = 1879048494,
-            ROLLBACK_RESISTANCE = 1879048495,
-            HARDWARE_TYPE = 268435760,
-            EARLY_BOOT_ONLY = 1879048497,
-            ACTIVE_DATETIME = 1610613136,
-            ORIGINATION_EXPIRE_DATETIME = 1610613137,
-            USAGE_EXPIRE_DATETIME = 1610613138,
-            MIN_SECONDS_BETWEEN_OPS = 805306771,
-            MAX_USES_PER_BOOT = 805306772,
-            USER_ID = 805306869,
-            USER_SECURE_ID = 1073742326,
-            NO_AUTH_REQUIRED = 1879048695,
-            USER_AUTH_TYPE = 268435960,
-            AUTH_TIMEOUT = 805306873,
-            ALLOW_WHILE_ON_BODY = 1879048698,
-            TRUSTED_USER_PRESENCE_REQUIRED = 1879048699,
-            TRUSTED_CONFIRMATION_REQUIRED = 1879048700,
-            UNLOCKED_DEVICE_REQUIRED = 1879048701,
-            APPLICATION_ID = -1879047591,
-            APPLICATION_DATA = -1879047492,
-            CREATION_DATETIME = 1610613437,
-            ORIGIN = 268436158,
-            ROOT_OF_TRUST = -1879047488,
-            OS_VERSION = 805307073,
-            OS_PATCHLEVEL = 805307074,
-            UNIQUE_ID = -1879047485,
-            ATTESTATION_CHALLENGE = -1879047484,
-            ATTESTATION_APPLICATION_ID = -1879047483,
-            ATTESTATION_ID_BRAND = -1879047482,
-            ATTESTATION_ID_DEVICE = -1879047481,
-            ATTESTATION_ID_PRODUCT = -1879047480,
-            ATTESTATION_ID_SERIAL = -1879047479,
-            ATTESTATION_ID_IMEI = -1879047478,
-            ATTESTATION_ID_MEID = -1879047477,
-            ATTESTATION_ID_MANUFACTURER = -1879047476,
-            ATTESTATION_ID_MODEL = -1879047475,
-            VENDOR_PATCHLEVEL = 805307086,
-            BOOT_PATCHLEVEL = 805307087,
-            DEVICE_UNIQUE_ATTESTATION = 1879048912,
-            IDENTITY_CREDENTIAL_KEY = 1879048913,
-            STORAGE_KEY = 1879048914,
-            ASSOCIATED_DATA = -1879047192,
-            NONCE = -1879047191,
-            MAC_LENGTH = 805307371,
-            RESET_SINCE_ID_ROTATION = 1879049196,
-            CONFIRMATION_TOKEN = -1879047187,
-          } }
-          pub(crate) mod mangled { pub use super::Tag as _7_android_8_hardware_7_keymint_3_Tag; }
-        }
-        pub mod TagType {
-          #![allow(non_upper_case_globals)]
-          use binder::declare_binder_enum;
-          declare_binder_enum! { TagType : i32 {
-            INVALID = 0,
-            ENUM = 268435456,
-            ENUM_REP = 536870912,
-            UINT = 805306368,
-            UINT_REP = 1073741824,
-            ULONG = 1342177280,
-            DATE = 1610612736,
-            BOOL = 1879048192,
-            BIGNUM = -2147483648,
-            BYTES = -1879048192,
-            ULONG_REP = -1610612736,
-          } }
-          pub(crate) mod mangled { pub use super::TagType as _7_android_8_hardware_7_keymint_7_TagType; }
-        }
-        pub mod Timestamp {
-          #[derive(Debug)]
-          pub struct Timestamp {
-            pub milliSeconds: i64, 
-          }
-          pub(crate) mod mangled { pub use super::Timestamp as _7_android_8_hardware_7_keymint_9_Timestamp; }
-          impl Default for Timestamp {
-            fn default() -> Self {
-              Self {
-                milliSeconds: 0,
-              }
-            }
-          }
-          impl binder::parcel::Serialize for Timestamp {
-            fn serialize(&self, parcel: &mut binder::parcel::Parcel) -> binder::Result<()> {
-              <Self as binder::parcel::SerializeOption>::serialize_option(Some(self), parcel)
-            }
-          }
-          impl binder::parcel::SerializeArray for Timestamp {}
-          impl binder::parcel::SerializeOption for Timestamp {
-            fn serialize_option(this: Option<&Self>, parcel: &mut binder::parcel::Parcel) -> binder::Result<()> {
-              let this = if let Some(this) = this {
-                parcel.write(&1i32)?;
-                this
-              } else {
-                return parcel.write(&0i32);
-              };
-              let start_pos = parcel.get_data_position();
-              parcel.write(&0i32)?;
-              parcel.write(&this.milliSeconds)?;
-              let end_pos = parcel.get_data_position();
-              let parcelable_size = (end_pos - start_pos) as i32;
-              unsafe { parcel.set_data_position(start_pos)?; }
-              parcel.write(&parcelable_size)?;
-              unsafe { parcel.set_data_position(end_pos)?; }
-              Ok(())
-            }
-          }
-          impl binder::parcel::Deserialize for Timestamp {
-            fn deserialize(parcel: &binder::parcel::Parcel) -> binder::Result<Self> {
-              <Self as binder::parcel::DeserializeOption>::deserialize_option(parcel)
-                 .transpose()
-                 .unwrap_or(Err(binder::StatusCode::UNEXPECTED_NULL))
-            }
-          }
-          impl binder::parcel::DeserializeArray for Timestamp {}
-          impl binder::parcel::DeserializeOption for Timestamp {
-            fn deserialize_option(parcel: &binder::parcel::Parcel) -> binder::Result<Option<Self>> {
-              let status: i32 = parcel.read()?;
-              if status == 0 { return Ok(None); }
-              let start_pos = parcel.get_data_position();
-              let parcelable_size: i32 = parcel.read()?;
-              if parcelable_size < 0 { return Err(binder::StatusCode::BAD_VALUE); }
-              let mut result = Self::default();
-              result.milliSeconds = parcel.read()?;
-              if (parcel.get_data_position() - start_pos) == parcelable_size {
-                return Ok(Some(result));
-              }
-              Ok(Some(result))
-            }
-          }
-        }
-        pub mod VerificationToken {
-          #[derive(Debug)]
-          pub struct VerificationToken {
-            pub challenge: i64, 
-            pub timestamp: crate::mangled::_7_android_8_hardware_7_keymint_9_Timestamp, 
-            pub securityLevel: crate::mangled::_7_android_8_hardware_7_keymint_13_SecurityLevel, 
-            pub mac: Vec<u8>, 
-          }
-          pub(crate) mod mangled { pub use super::VerificationToken as _7_android_8_hardware_7_keymint_17_VerificationToken; }
-          impl Default for VerificationToken {
-            fn default() -> Self {
-              Self {
-                challenge: 0,
-                timestamp: Default::default(),
-                securityLevel: Default::default(),
-                mac: Default::default(),
-              }
-            }
-          }
-          impl binder::parcel::Serialize for VerificationToken {
-            fn serialize(&self, parcel: &mut binder::parcel::Parcel) -> binder::Result<()> {
-              <Self as binder::parcel::SerializeOption>::serialize_option(Some(self), parcel)
-            }
-          }
-          impl binder::parcel::SerializeArray for VerificationToken {}
-          impl binder::parcel::SerializeOption for VerificationToken {
-            fn serialize_option(this: Option<&Self>, parcel: &mut binder::parcel::Parcel) -> binder::Result<()> {
-              let this = if let Some(this) = this {
-                parcel.write(&1i32)?;
-                this
-              } else {
-                return parcel.write(&0i32);
-              };
-              let start_pos = parcel.get_data_position();
-              parcel.write(&0i32)?;
-              parcel.write(&this.challenge)?;
-              parcel.write(&this.timestamp)?;
-              parcel.write(&this.securityLevel)?;
-              parcel.write(&this.mac)?;
-              let end_pos = parcel.get_data_position();
-              let parcelable_size = (end_pos - start_pos) as i32;
-              unsafe { parcel.set_data_position(start_pos)?; }
-              parcel.write(&parcelable_size)?;
-              unsafe { parcel.set_data_position(end_pos)?; }
-              Ok(())
-            }
-          }
-          impl binder::parcel::Deserialize for VerificationToken {
-            fn deserialize(parcel: &binder::parcel::Parcel) -> binder::Result<Self> {
-              <Self as binder::parcel::DeserializeOption>::deserialize_option(parcel)
-                 .transpose()
-                 .unwrap_or(Err(binder::StatusCode::UNEXPECTED_NULL))
-            }
-          }
-          impl binder::parcel::DeserializeArray for VerificationToken {}
-          impl binder::parcel::DeserializeOption for VerificationToken {
-            fn deserialize_option(parcel: &binder::parcel::Parcel) -> binder::Result<Option<Self>> {
-              let status: i32 = parcel.read()?;
-              if status == 0 { return Ok(None); }
-              let start_pos = parcel.get_data_position();
-              let parcelable_size: i32 = parcel.read()?;
-              if parcelable_size < 0 { return Err(binder::StatusCode::BAD_VALUE); }
-              let mut result = Self::default();
-              result.challenge = parcel.read()?;
-              if (parcel.get_data_position() - start_pos) == parcelable_size {
-                return Ok(Some(result));
-              }
-              result.timestamp = parcel.read()?;
-              if (parcel.get_data_position() - start_pos) == parcelable_size {
-                return Ok(Some(result));
-              }
-              result.securityLevel = parcel.read()?;
-              if (parcel.get_data_position() - start_pos) == parcelable_size {
-                return Ok(Some(result));
-              }
-              result.mac = parcel.read()?;
-              if (parcel.get_data_position() - start_pos) == parcelable_size {
-                return Ok(Some(result));
-              }
-              Ok(Some(result))
-            }
-          }
-        }
-      }
-    }
-  }
-}
-pub mod mangled {
-  pub use super::aidl::android::hardware::keymint::Algorithm::mangled::*;
-  pub use super::aidl::android::hardware::keymint::BeginResult::mangled::*;
-  pub use super::aidl::android::hardware::keymint::BlockMode::mangled::*;
-  pub use super::aidl::android::hardware::keymint::Certificate::mangled::*;
-  pub use super::aidl::android::hardware::keymint::Constants::mangled::*;
-  pub use super::aidl::android::hardware::keymint::Digest::mangled::*;
-  pub use super::aidl::android::hardware::keymint::EcCurve::mangled::*;
-  pub use super::aidl::android::hardware::keymint::ErrorCode::mangled::*;
-  pub use super::aidl::android::hardware::keymint::HardwareAuthToken::mangled::*;
-  pub use super::aidl::android::hardware::keymint::HardwareAuthenticatorType::mangled::*;
-  pub use super::aidl::android::hardware::keymint::HmacSharingParameters::mangled::*;
-  pub use super::aidl::android::hardware::keymint::IKeyMintDevice::mangled::*;
-  pub use super::aidl::android::hardware::keymint::IKeyMintOperation::mangled::*;
-  pub use super::aidl::android::hardware::keymint::KeyCharacteristics::mangled::*;
-  pub use super::aidl::android::hardware::keymint::KeyDerivationFunction::mangled::*;
-  pub use super::aidl::android::hardware::keymint::KeyFormat::mangled::*;
-  pub use super::aidl::android::hardware::keymint::KeyMintHardwareInfo::mangled::*;
-  pub use super::aidl::android::hardware::keymint::KeyOrigin::mangled::*;
-  pub use super::aidl::android::hardware::keymint::KeyParameter::mangled::*;
-  pub use super::aidl::android::hardware::keymint::KeyPurpose::mangled::*;
-  pub use super::aidl::android::hardware::keymint::PaddingMode::mangled::*;
-  pub use super::aidl::android::hardware::keymint::SecurityLevel::mangled::*;
-  pub use super::aidl::android::hardware::keymint::Tag::mangled::*;
-  pub use super::aidl::android::hardware::keymint::TagType::mangled::*;
-  pub use super::aidl::android::hardware::keymint::Timestamp::mangled::*;
-  pub use super::aidl::android::hardware::keymint::VerificationToken::mangled::*;
-}
diff --git a/keystore2/src/key_parameter.rs b/keystore2/src/key_parameter.rs
index 8825fc9..0d164f1 100644
--- a/keystore2/src/key_parameter.rs
+++ b/keystore2/src/key_parameter.rs
@@ -606,7 +606,6 @@
 ///         CallerNonce, CALLER_NONCE, boolValue;
 ///         UserSecureID, USER_SECURE_ID, longInteger;
 ///         ApplicationID, APPLICATION_ID, blob;
-///         ActiveDateTime, ACTIVE_DATETIME, dateTime;
 /// }
 /// ```
 /// expands to:
@@ -637,11 +636,6 @@
 ///                         blob: v,
 ///                         ..Default::default()
 ///                 },
-///                 KeyParameterValue::ActiveDateTime(v) => KmKeyParameter {
-///                         tag: Tag::ACTIVE_DATETIME,
-///                         dateTime: v,
-///                         ..Default::default()
-///                 },
 ///         }
 /// }
 /// ```
@@ -673,11 +667,6 @@
 ///                          blob: v,
 ///                          ..
 ///                 } => KeyParameterValue::ApplicationID(v),
-///                 KmKeyParameter {
-///                          tag: Tag::ACTIVE_DATETIME,
-///                          dateTime: v,
-///                          ..
-///                 } => KeyParameterValue::ActiveDateTime(v),
 ///                 _ => KeyParameterValue::Invalid,
 ///         }
 /// }
@@ -771,7 +760,7 @@
        }
     };
     // This rule handles all variants that are neither invalid nor bool values nor enums
-    // (i.e. all variants which correspond to integer, longInteger, dateTime and blob fields in
+    // (i.e. all variants which correspond to integer, longInteger, and blob fields in
     // KmKeyParameter).
     // On an input like: 'ConfirmationToken, CONFIRMATION_TOKEN, blob;' it generates a match arm
     // like: KeyParameterValue::ConfirmationToken(v) => KmKeyParameter {
@@ -855,7 +844,7 @@
         }
     };
     // This rule handles all variants that are neither invalid nor bool values nor enums
-    // (i.e. all variants which correspond to integer, longInteger, dateTime and blob fields in
+    // (i.e. all variants which correspond to integer, longInteger, and blob fields in
     // KmKeyParameter).
     // On an input like: 'ConfirmationToken, CONFIRMATION_TOKEN, blob;' it generates a match arm
     // like:
@@ -892,7 +881,7 @@
     // Invoke the macro that generates the code for key parameter conversion to/from wire type
     // with all possible variants of KeyParameterValue. Each line corresponding to a variant
     // contains: variant identifier, tag value, and the related field name (i.e.
-    // boolValue/integer/longInteger/dateTime/blob) in the KmKeyParameter.
+    // boolValue/integer/longInteger/blob) in the KmKeyParameter.
     implement_key_parameter_conversion_to_from_wire! {
         Invalid, INVALID, na;
         KeyPurpose, PURPOSE, integer, KeyPurpose;
@@ -908,9 +897,9 @@
         IncludeUniqueID, INCLUDE_UNIQUE_ID, boolValue;
         BootLoaderOnly, BOOTLOADER_ONLY, boolValue;
         RollbackResistance, ROLLBACK_RESISTANCE, boolValue;
-        ActiveDateTime, ACTIVE_DATETIME, dateTime;
-        OriginationExpireDateTime, ORIGINATION_EXPIRE_DATETIME, dateTime;
-        UsageExpireDateTime, USAGE_EXPIRE_DATETIME, dateTime;
+        ActiveDateTime, ACTIVE_DATETIME, longInteger;
+        OriginationExpireDateTime, ORIGINATION_EXPIRE_DATETIME, longInteger;
+        UsageExpireDateTime, USAGE_EXPIRE_DATETIME, longInteger;
         MinSecondsBetweenOps, MIN_SECONDS_BETWEEN_OPS, integer;
         MaxUsesPerBoot, MAX_USES_PER_BOOT, integer;
         UserID, USER_ID, integer;
@@ -924,7 +913,7 @@
         UnlockedDeviceRequired, UNLOCKED_DEVICE_REQUIRED, boolValue;
         ApplicationID, APPLICATION_ID, blob;
         ApplicationData, APPLICATION_DATA, blob;
-        CreationDateTime, CREATION_DATETIME, dateTime;
+        CreationDateTime, CREATION_DATETIME, longInteger;
         KeyOrigin, ORIGIN, integer, KeyOrigin;
         RootOfTrust, ROOT_OF_TRUST, blob;
         OSVersion, OS_VERSION, integer;
@@ -1243,13 +1232,12 @@
 }
 
 /// The wire_tests module tests the 'convert_to_wire' and 'convert_from_wire' methods for
-/// KeyParameter, for the five different types used in KmKeyParameter, in addition to Invalid
+/// KeyParameter, for the four different types used in KmKeyParameter, in addition to Invalid
 /// key parameter.
 /// i) bool
 /// ii) integer
 /// iii) longInteger
-/// iv) dateTime
-/// v) blob
+/// iv) blob
 #[cfg(test)]
 mod wire_tests {
     use crate::key_parameter::*;
@@ -1286,16 +1274,6 @@
         assert_eq!(i64::MAX, actual.longInteger);
     }
     #[test]
-    fn test_convert_to_wire_date_time() {
-        let kp = KeyParameter::new(
-            KeyParameterValue::ActiveDateTime(i64::MAX),
-            SecurityLevel::STRONGBOX,
-        );
-        let actual = KeyParameterValue::convert_to_wire(kp.key_parameter_value);
-        assert_eq!(Tag::ACTIVE_DATETIME, actual.tag);
-        assert_eq!(i64::MAX, actual.dateTime);
-    }
-    #[test]
     fn test_convert_to_wire_blob() {
         let kp = KeyParameter::new(
             KeyParameterValue::ConfirmationToken(String::from("ConfirmationToken").into_bytes()),
@@ -1341,13 +1319,6 @@
         assert_eq!(KeyParameterValue::UserSecureID(i64::MAX), actual);
     }
     #[test]
-    fn test_convert_from_wire_date_time() {
-        let aidl_kp =
-            KmKeyParameter { tag: Tag::ACTIVE_DATETIME, dateTime: i64::MAX, ..Default::default() };
-        let actual = KeyParameterValue::convert_from_wire(aidl_kp);
-        assert_eq!(KeyParameterValue::ActiveDateTime(i64::MAX), actual);
-    }
-    #[test]
     fn test_convert_from_wire_blob() {
         let aidl_kp = KmKeyParameter {
             tag: Tag::CONFIRMATION_TOKEN,
diff --git a/keystore2/src/operation.rs b/keystore2/src/operation.rs
index f987188..50282eb 100644
--- a/keystore2/src/operation.rs
+++ b/keystore2/src/operation.rs
@@ -135,7 +135,8 @@
 use crate::error::{map_km_error, map_or_log_err, Error, ErrorCode, ResponseCode};
 use crate::utils::Asp;
 use android_hardware_keymint::aidl::android::hardware::keymint::{
-    IKeyMintOperation::IKeyMintOperation, KeyParameter::KeyParameter as KmParam, Tag::Tag,
+    ByteArray::ByteArray, IKeyMintOperation::IKeyMintOperation,
+    KeyParameter::KeyParameter as KmParam, KeyParameterArray::KeyParameterArray, Tag::Tag,
 };
 use android_system_keystore2::aidl::android::system::keystore2::{
     IKeystoreOperation::BnKeystoreOperation, IKeystoreOperation::IKeystoreOperation,
@@ -174,7 +175,6 @@
     index: usize,
 }
 
-static EMPTY_BLOB: &[u8] = &[];
 // We don't except more than 32KiB of data in `update`, `updateAad`, and `finish`.
 const MAX_RECEIVE_DATA: usize = 0x8000;
 
@@ -302,11 +302,16 @@
         Self::check_input_length(aad_input).context("In update_aad")?;
         self.touch();
 
-        let params =
-            [KmParam { tag: Tag::ASSOCIATED_DATA, blob: aad_input.into(), ..Default::default() }];
+        let params = KeyParameterArray {
+            params: vec![KmParam {
+                tag: Tag::ASSOCIATED_DATA,
+                blob: aad_input.into(),
+                ..Default::default()
+            }],
+        };
 
-        let mut out_params: Vec<KmParam> = Vec::new();
-        let mut output: Vec<u8> = Vec::new();
+        let mut out_params: Option<KeyParameterArray> = None;
+        let mut output: Option<ByteArray> = None;
 
         let km_op: Box<dyn IKeyMintOperation> =
             self.km_op.get_interface().context("In update: Failed to get KeyMintOperation.")?;
@@ -314,10 +319,12 @@
         self.update_outcome(
             &mut *outcome,
             map_km_error(km_op.update(
-                &params,
-                &[],
-                // TODO HardwareAuthtoken missing
-                &Default::default(),
+                Some(&params),
+                None,
+                // TODO Get auth token from enforcement module if required.
+                None,
+                // TODO Get verification token from enforcement module if required.
+                None,
                 &mut out_params,
                 &mut output,
             )),
@@ -334,8 +341,8 @@
         Self::check_input_length(input).context("In update")?;
         self.touch();
 
-        let mut out_params: Vec<KmParam> = Vec::new();
-        let mut output: Vec<u8> = Vec::new();
+        let mut out_params: Option<KeyParameterArray> = None;
+        let mut output: Option<ByteArray> = None;
 
         let km_op: Box<dyn IKeyMintOperation> =
             self.km_op.get_interface().context("In update: Failed to get KeyMintOperation.")?;
@@ -343,20 +350,21 @@
         self.update_outcome(
             &mut *outcome,
             map_km_error(km_op.update(
-                &[],
-                input,
-                // TODO HardwareAuthtoken missing
-                &Default::default(),
+                None,
+                Some(input),
+                // TODO Get auth token from enforcement module if required.
+                None,
+                // TODO Get verification token from enforcement module if required.
+                None,
                 &mut out_params,
                 &mut output,
             )),
         )
         .context("In update: KeyMint::update failed.")?;
 
-        if output.is_empty() {
-            Ok(None)
-        } else {
-            Ok(Some(output))
+        match output {
+            Some(blob) => Ok(Some(blob.data)),
+            None => Ok(None),
         }
     }
 
@@ -368,28 +376,27 @@
             Self::check_input_length(input).context("In finish")?;
         }
         self.touch();
-        let input = input.unwrap_or(EMPTY_BLOB);
-        let signature = signature.unwrap_or(EMPTY_BLOB);
 
-        let mut out_params: Vec<KmParam> = Vec::new();
-        let mut output: Vec<u8> = Vec::new();
+        let mut out_params: Option<KeyParameterArray> = None;
 
         let km_op: Box<dyn IKeyMintOperation> =
             self.km_op.get_interface().context("In finish: Failed to get KeyMintOperation.")?;
 
-        self.update_outcome(
-            &mut *outcome,
-            map_km_error(km_op.finish(
-                &[],
-                &input,
-                &signature,
-                &Default::default(),
-                &Default::default(),
-                &mut out_params,
-                &mut output,
-            )),
-        )
-        .context("In finish: KeyMint::finish failed.")?;
+        let output = self
+            .update_outcome(
+                &mut *outcome,
+                map_km_error(km_op.finish(
+                    None,
+                    input,
+                    signature,
+                    // TODO Get auth token from enforcement module if required.
+                    None,
+                    // TODO Get verification token from enforcement module if required.
+                    None,
+                    &mut out_params,
+                )),
+            )
+            .context("In finish: KeyMint::finish failed.")?;
 
         // At this point the operation concluded successfully.
         *outcome = Outcome::Success;
diff --git a/keystore2/src/security_level.rs b/keystore2/src/security_level.rs
index 30c9a86..09f20bd 100644
--- a/keystore2/src/security_level.rs
+++ b/keystore2/src/security_level.rs
@@ -17,7 +17,7 @@
 //! This crate implements the IKeystoreSecurityLevel interface.
 
 use android_hardware_keymint::aidl::android::hardware::keymint::{
-    Algorithm::Algorithm, Certificate::Certificate as KmCertificate,
+    Algorithm::Algorithm, ByteArray::ByteArray, Certificate::Certificate as KmCertificate,
     IKeyMintDevice::IKeyMintDevice, KeyCharacteristics::KeyCharacteristics, KeyFormat::KeyFormat,
     KeyParameter::KeyParameter as KmParam, KeyPurpose::KeyPurpose, Tag::Tag,
 };
@@ -84,7 +84,7 @@
         &self,
         key: KeyDescriptor,
         km_cert_chain: Option<Vec<KmCertificate>>,
-        blob: Vec<u8>,
+        blob: ByteArray,
     ) -> Result<KeyMetadata> {
         let (cert, cert_chain): (Option<Vec<u8>>, Option<Vec<u8>>) = match km_cert_chain {
             Some(mut chain) => (
@@ -109,7 +109,7 @@
 
         let key = match key.domain {
             Domain::BLOB => {
-                KeyDescriptor { domain: Domain::BLOB, blob: Some(blob), ..Default::default() }
+                KeyDescriptor { domain: Domain::BLOB, blob: Some(blob.data), ..Default::default() }
             }
             _ => DB
                 .with(|db| {
@@ -117,8 +117,13 @@
                     let key_id = db
                         .create_key_entry(key.domain, key.nspace)
                         .context("Trying to create a key entry.")?;
-                    db.insert_blob(key_id, SubComponentType::KM_BLOB, &blob, self.security_level)
-                        .context("Trying to insert km blob.")?;
+                    db.insert_blob(
+                        key_id,
+                        SubComponentType::KM_BLOB,
+                        &blob.data,
+                        self.security_level,
+                    )
+                    .context("Trying to insert km blob.")?;
                     if let Some(c) = &cert {
                         db.insert_blob(key_id, SubComponentType::CERT, c, self.security_level)
                             .context("Trying to insert cert blob.")?;
@@ -345,7 +350,7 @@
 
         let km_dev: Box<dyn IKeyMintDevice> = self.keymint.get_interface()?;
         map_km_error(km_dev.addRngEntropy(entropy))?;
-        let mut blob: Vec<u8> = Default::default();
+        let mut blob: ByteArray = Default::default();
         let mut key_characteristics: KeyCharacteristics = Default::default();
         let mut certificate_chain: Vec<KmCertificate> = Default::default();
         map_km_error(km_dev.generateKey(
@@ -384,7 +389,7 @@
         // import_key requires the rebind permission.
         check_key_permission(KeyPerm::rebind(), &key, &None).context("In import_key.")?;
 
-        let mut blob: Vec<u8> = Default::default();
+        let mut blob: ByteArray = Default::default();
         let mut key_characteristics: KeyCharacteristics = Default::default();
         let mut certificate_chain: Vec<KmCertificate> = Default::default();
 
@@ -469,7 +474,7 @@
             }
         };
 
-        let mut blob: Vec<u8> = Default::default();
+        let mut blob: ByteArray = Default::default();
         let mut key_characteristics: KeyCharacteristics = Default::default();
         // km_dev.importWrappedKey does not return a certificate chain.
         // TODO Do we assume that all wrapped keys are symmetric?
diff --git a/keystore2/src/utils.rs b/keystore2/src/utils.rs
index 27044dd..5ecb47b 100644
--- a/keystore2/src/utils.rs
+++ b/keystore2/src/utils.rs
@@ -87,7 +87,6 @@
         boolValue: p.boolValue,
         integer: p.integer,
         longInteger: p.longInteger,
-        dateTime: p.dateTime,
         blob: match &p.blob {
             Some(b) => b.clone(),
             None => vec![],
@@ -105,7 +104,6 @@
         boolValue: p.boolValue,
         integer: p.integer,
         longInteger: p.longInteger,
-        dateTime: p.dateTime,
         blob: match p.blob.len() {
             0 => None,
             _ => Some(p.blob.clone()),