diff --git a/keystore2/test_utils/key_generations.rs b/keystore2/test_utils/key_generations.rs
index 07cb3f9..175d8bb 100644
--- a/keystore2/test_utils/key_generations.rs
+++ b/keystore2/test_utils/key_generations.rs
@@ -18,11 +18,13 @@
 
 use android_hardware_security_keymint::aidl::android::hardware::security::keymint::{
     Algorithm::Algorithm, BlockMode::BlockMode, Digest::Digest, EcCurve::EcCurve,
-    ErrorCode::ErrorCode, KeyPurpose::KeyPurpose, PaddingMode::PaddingMode,
+    ErrorCode::ErrorCode, KeyOrigin::KeyOrigin, KeyParameter::KeyParameter,
+    KeyParameterValue::KeyParameterValue, KeyPurpose::KeyPurpose, PaddingMode::PaddingMode,
+    Tag::Tag,
 };
 use android_system_keystore2::aidl::android::system::keystore2::{
-    Domain::Domain, IKeystoreSecurityLevel::IKeystoreSecurityLevel, KeyDescriptor::KeyDescriptor,
-    KeyMetadata::KeyMetadata, ResponseCode::ResponseCode,
+    Authorization::Authorization, Domain::Domain, IKeystoreSecurityLevel::IKeystoreSecurityLevel,
+    KeyDescriptor::KeyDescriptor, KeyMetadata::KeyMetadata, ResponseCode::ResponseCode,
 };
 
 use crate::authorizations::AuthSetBuilder;
@@ -59,6 +61,102 @@
     pub att_app_id: Option<Vec<u8>>,
 }
 
+/// DER-encoded PKCS#8 format RSA key. Generated using:
+/// openssl genrsa 2048 | openssl pkcs8 -topk8 -nocrypt -outform der | hexdump -e '30/1  "%02X" "\n"'
+pub static RSA_2048_KEY: &[u8] = &[
+    0x30, 0x82, 0x04, 0xBD, 0x02, 0x01, 0x00, 0x30, 0x0D, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7,
+    0x0D, 0x01, 0x01, 0x01, 0x05, 0x00, 0x04, 0x82, 0x04, 0xA7, 0x30, 0x82, 0x04, 0xA3, 0x02, 0x01,
+    0x00, 0x02, 0x82, 0x01, 0x01, 0x00, 0xE5, 0x14, 0xE3, 0xC2, 0x43, 0xF3, 0x0F, 0xCC, 0x22, 0x73,
+    0x9C, 0x84, 0xCC, 0x1B, 0x6C, 0x97, 0x4B, 0xC9, 0xDF, 0x1F, 0xE2, 0xB8, 0x80, 0x85, 0xF9, 0x27,
+    0xAB, 0x97, 0x94, 0x58, 0x4B, 0xC9, 0x40, 0x94, 0x5A, 0xB4, 0xD4, 0xF8, 0xD0, 0x36, 0xC4, 0x86,
+    0x17, 0x7D, 0xA2, 0x48, 0x6D, 0x40, 0xF0, 0xB9, 0x61, 0x4F, 0xCE, 0x65, 0x80, 0x88, 0x81, 0x59,
+    0x95, 0x11, 0x24, 0xF4, 0x36, 0xB7, 0xB7, 0x37, 0x44, 0xF4, 0x6C, 0x1C, 0xEB, 0x04, 0x19, 0x78,
+    0xB2, 0x29, 0x4D, 0x21, 0x44, 0x16, 0x57, 0x58, 0x6D, 0x7D, 0x56, 0xB5, 0x99, 0xDD, 0xD2, 0xAD,
+    0x02, 0x9A, 0x72, 0x16, 0x67, 0xD6, 0x00, 0x9F, 0x69, 0xE0, 0x25, 0xEE, 0x7C, 0x86, 0x54, 0x27,
+    0x4B, 0x50, 0xEF, 0x60, 0x52, 0x60, 0x82, 0xAA, 0x09, 0x15, 0x72, 0xD2, 0xEB, 0x01, 0x52, 0x04,
+    0x39, 0x60, 0xBC, 0x5E, 0x95, 0x07, 0xC8, 0xC2, 0x3A, 0x3A, 0xE2, 0xA4, 0x99, 0x6B, 0x27, 0xE3,
+    0xA3, 0x55, 0x69, 0xC4, 0xB3, 0x2D, 0x19, 0xC4, 0x34, 0x76, 0xFC, 0x27, 0xDA, 0x22, 0xB2, 0x62,
+    0x69, 0x25, 0xDE, 0x0D, 0xE7, 0x54, 0x3C, 0xBB, 0x61, 0xD2, 0x20, 0xDA, 0x7B, 0x6E, 0x63, 0xBD,
+    0x9A, 0x4B, 0xCD, 0x75, 0xC6, 0xA1, 0x5E, 0x1C, 0x3E, 0xD5, 0x63, 0x59, 0x22, 0x7E, 0xE0, 0x6C,
+    0x98, 0x25, 0x63, 0x97, 0x56, 0xDF, 0x71, 0xF5, 0x4C, 0x78, 0xE9, 0xE1, 0xD5, 0xFC, 0xF8, 0x5A,
+    0x5B, 0xF6, 0x1D, 0xFA, 0x5A, 0x99, 0x4C, 0x99, 0x19, 0x21, 0x1D, 0xF5, 0x24, 0x07, 0xEF, 0x8A,
+    0xC9, 0x9F, 0xE7, 0x3F, 0xBB, 0x46, 0x1A, 0x16, 0x96, 0xC6, 0xD6, 0x12, 0x7E, 0xDA, 0xCB, 0xEB,
+    0x2F, 0x1D, 0x3B, 0x31, 0xCC, 0x55, 0x63, 0xA2, 0x6F, 0x8A, 0xDE, 0x35, 0x52, 0x40, 0x04, 0xBF,
+    0xE0, 0x82, 0x32, 0xE1, 0x6D, 0x8B, 0x02, 0x03, 0x01, 0x00, 0x01, 0x02, 0x82, 0x01, 0x00, 0x2D,
+    0x1F, 0x71, 0x41, 0x79, 0xBA, 0xED, 0xD8, 0xAA, 0xCC, 0x94, 0xFE, 0xFF, 0x69, 0x43, 0x79, 0x85,
+    0xBF, 0x2C, 0xC9, 0x0E, 0x12, 0x83, 0x96, 0x60, 0x1E, 0x75, 0x49, 0x35, 0x3A, 0x33, 0x2B, 0x60,
+    0x22, 0x18, 0xBF, 0xD7, 0xD7, 0x6E, 0xC3, 0xEA, 0xEF, 0xF2, 0xBE, 0x97, 0x71, 0xA6, 0xBB, 0x8C,
+    0xEF, 0x27, 0x00, 0xDE, 0x49, 0xD6, 0x08, 0x8D, 0x5A, 0x04, 0xE7, 0xCC, 0x9C, 0xA2, 0x0E, 0x8B,
+    0xF3, 0x42, 0x0C, 0xD7, 0x22, 0xD7, 0x14, 0x06, 0xA4, 0x64, 0x8B, 0x88, 0x1A, 0xCE, 0x5B, 0x8C,
+    0x36, 0xE9, 0xD2, 0x2F, 0x7B, 0x33, 0xE4, 0xA2, 0xB3, 0xDB, 0x78, 0x6A, 0x92, 0x89, 0x3F, 0x78,
+    0xFD, 0xED, 0x8F, 0xEE, 0x48, 0xCC, 0x94, 0x75, 0x0D, 0x0C, 0x63, 0xD3, 0xD2, 0xE8, 0x47, 0x04,
+    0x55, 0xD3, 0xD6, 0x3A, 0xB8, 0xDA, 0xFB, 0x76, 0x99, 0x48, 0x68, 0x0A, 0x92, 0xA2, 0xCD, 0xF7,
+    0x45, 0x8B, 0x50, 0xFE, 0xF9, 0x1A, 0x33, 0x24, 0x3C, 0x2E, 0xDE, 0x88, 0xAD, 0xB2, 0x5B, 0x9F,
+    0x44, 0xEA, 0xD1, 0x9F, 0xC7, 0x9F, 0x02, 0x5E, 0x31, 0x61, 0xB3, 0xD6, 0xE2, 0xE1, 0xBC, 0xFB,
+    0x1C, 0xDB, 0xBD, 0xB2, 0x9A, 0xE5, 0xEF, 0xDA, 0xCD, 0x29, 0xA5, 0x45, 0xCC, 0x67, 0x01, 0x8B,
+    0x1C, 0x1D, 0x0E, 0x8F, 0x73, 0x69, 0x4D, 0x4D, 0xF6, 0x9D, 0xA6, 0x6C, 0x9A, 0x1C, 0xF4, 0x5C,
+    0xE4, 0x83, 0x9A, 0x77, 0x12, 0x01, 0xBD, 0xCE, 0x66, 0x3A, 0x4B, 0x3D, 0x6E, 0xE0, 0x6E, 0x82,
+    0x98, 0xDE, 0x74, 0x11, 0x47, 0xEC, 0x7A, 0x3A, 0xA9, 0xD8, 0x48, 0x00, 0x26, 0x64, 0x47, 0x7B,
+    0xAE, 0x55, 0x9D, 0x29, 0x22, 0xB4, 0xB3, 0xB9, 0xB1, 0x64, 0xEA, 0x3B, 0x5A, 0xD3, 0x3F, 0x8D,
+    0x0F, 0x14, 0x7E, 0x4E, 0xB8, 0x1B, 0x06, 0xFC, 0xB1, 0x7E, 0xCD, 0xB9, 0x1A, 0x4E, 0xA1, 0x02,
+    0x81, 0x81, 0x00, 0xF9, 0xDE, 0xEE, 0xED, 0x13, 0x2F, 0xBB, 0xE7, 0xE2, 0xB3, 0x2D, 0x98, 0xD2,
+    0xE8, 0x25, 0x07, 0x5A, 0x1E, 0x51, 0x0A, 0xC8, 0xAD, 0x50, 0x4B, 0x80, 0xC6, 0x22, 0xF5, 0x9B,
+    0x08, 0xE6, 0x3D, 0x01, 0xC6, 0x3E, 0xC8, 0xD2, 0x54, 0x9F, 0x91, 0x77, 0x95, 0xCD, 0xCA, 0xC7,
+    0xE7, 0x47, 0x94, 0xA9, 0x5F, 0x4E, 0xBE, 0x31, 0x3D, 0xB4, 0xAF, 0x43, 0x0F, 0xDC, 0x8D, 0x9C,
+    0x1E, 0x52, 0x7B, 0x72, 0x21, 0x34, 0xB3, 0x96, 0x7C, 0x9C, 0xB8, 0x51, 0x65, 0x60, 0xAC, 0x3D,
+    0x11, 0x32, 0xB8, 0xD6, 0x34, 0x35, 0x66, 0xD0, 0x30, 0xB9, 0xE9, 0x67, 0x2C, 0x87, 0x73, 0x43,
+    0x9C, 0x12, 0x16, 0x7D, 0x4A, 0xD9, 0xA3, 0x4C, 0x24, 0x64, 0x6A, 0x32, 0x8E, 0xC3, 0xD8, 0x00,
+    0x90, 0x5C, 0x4D, 0x65, 0x01, 0x53, 0x8A, 0xD0, 0x87, 0xCE, 0x96, 0xEF, 0xFA, 0x73, 0x03, 0xF1,
+    0xDC, 0x1B, 0x9B, 0x02, 0x81, 0x81, 0x00, 0xEA, 0xB3, 0x69, 0x00, 0x11, 0x0E, 0x50, 0xAA, 0xD3,
+    0x22, 0x51, 0x78, 0x9D, 0xFF, 0x05, 0x62, 0xBC, 0x9A, 0x67, 0x86, 0xE1, 0xC5, 0x02, 0x2D, 0x14,
+    0x11, 0x29, 0x30, 0xE7, 0x90, 0x5D, 0x72, 0x6F, 0xC5, 0x62, 0xEB, 0xD4, 0xB0, 0x3F, 0x3D, 0xDC,
+    0xB9, 0xFC, 0x2B, 0x5C, 0xBD, 0x9E, 0x71, 0x81, 0x5C, 0xC5, 0xFE, 0xDF, 0x69, 0x73, 0x12, 0x66,
+    0x92, 0x06, 0xD4, 0xD5, 0x8F, 0xDF, 0x14, 0x2E, 0x9C, 0xD0, 0x4C, 0xC2, 0x4D, 0x31, 0x2E, 0x47,
+    0xA5, 0xDC, 0x8A, 0x83, 0x7B, 0xE8, 0xA5, 0xC3, 0x03, 0x98, 0xD8, 0xBF, 0xF4, 0x7D, 0x6E, 0x87,
+    0x55, 0xE4, 0x0F, 0x15, 0x10, 0xC8, 0x76, 0x4F, 0xAD, 0x1D, 0x1C, 0x95, 0x41, 0x9D, 0x88, 0xEC,
+    0x8C, 0xDA, 0xBA, 0x90, 0x7F, 0x8D, 0xD9, 0x8B, 0x47, 0x6C, 0x0C, 0xFF, 0xBA, 0x73, 0x00, 0x20,
+    0x1F, 0xF7, 0x7E, 0x5F, 0xF4, 0xEC, 0xD1, 0x02, 0x81, 0x80, 0x16, 0xB7, 0x43, 0xB5, 0x5D, 0xD7,
+    0x2B, 0x18, 0x0B, 0xAE, 0x0A, 0x69, 0x28, 0x53, 0x5E, 0x7A, 0x6A, 0xA0, 0xF2, 0xF1, 0x2E, 0x09,
+    0x43, 0x91, 0x79, 0xA5, 0x89, 0xAC, 0x16, 0x6A, 0x1A, 0xB4, 0x55, 0x22, 0xF6, 0xB6, 0x3F, 0x18,
+    0xDE, 0x60, 0xD5, 0x24, 0x53, 0x4F, 0x2A, 0x19, 0x46, 0x92, 0xA7, 0x4B, 0x38, 0xD7, 0x65, 0x96,
+    0x9C, 0x84, 0x8A, 0x6E, 0x38, 0xB8, 0xCF, 0x06, 0x9A, 0xAD, 0x0A, 0x55, 0x26, 0x7B, 0x65, 0x24,
+    0xF3, 0x02, 0x76, 0xB3, 0xE6, 0xB4, 0x01, 0xE1, 0x3C, 0x61, 0x3D, 0x68, 0x05, 0xAA, 0xD1, 0x26,
+    0x7C, 0xE0, 0x51, 0x36, 0xE5, 0x21, 0x7F, 0x76, 0x02, 0xD6, 0xF4, 0x91, 0x07, 0x74, 0x27, 0x09,
+    0xEF, 0xEF, 0x0F, 0xA5, 0x96, 0xFC, 0x5E, 0x20, 0xC1, 0xA3, 0x6F, 0x99, 0x4D, 0x45, 0x03, 0x6C,
+    0x35, 0x45, 0xD7, 0x8F, 0x47, 0x41, 0x86, 0x8D, 0x62, 0x1D, 0x02, 0x81, 0x81, 0x00, 0xC3, 0x93,
+    0x85, 0xA7, 0xFC, 0x8E, 0x85, 0x42, 0x14, 0x76, 0xC0, 0x95, 0x56, 0x73, 0xB0, 0xB5, 0x3A, 0x9D,
+    0x20, 0x30, 0x11, 0xEA, 0xED, 0x89, 0x4A, 0xF3, 0x91, 0xF3, 0xA2, 0xC3, 0x76, 0x5B, 0x6A, 0x30,
+    0x7D, 0xE2, 0x2F, 0x76, 0x3E, 0xFC, 0xF9, 0xF6, 0x31, 0xE0, 0xA0, 0x83, 0x92, 0x88, 0xDB, 0x57,
+    0xC7, 0xD6, 0x3F, 0xAD, 0xCB, 0xAA, 0x45, 0xB6, 0xE1, 0xE2, 0x71, 0xA4, 0x56, 0x2C, 0xA7, 0x3B,
+    0x1D, 0x89, 0x19, 0x50, 0xE1, 0xEE, 0xC2, 0xDD, 0xC0, 0x0D, 0xDC, 0xCB, 0x60, 0x6E, 0xE1, 0x37,
+    0x1A, 0x23, 0x64, 0xB2, 0x03, 0xE4, 0x1A, 0xFA, 0xC3, 0xF4, 0x9D, 0x85, 0x42, 0xC6, 0xF4, 0x56,
+    0x39, 0xB0, 0x1B, 0xE0, 0x75, 0xBA, 0x28, 0x04, 0xA8, 0x30, 0x57, 0x41, 0x33, 0x9F, 0x58, 0xA4,
+    0xC7, 0xB1, 0x7D, 0x58, 0x8D, 0x84, 0x49, 0x40, 0xDA, 0x28, 0x81, 0x25, 0xC4, 0x41, 0x02, 0x81,
+    0x80, 0x13, 0x20, 0x65, 0xD5, 0x96, 0x98, 0x8D, 0x16, 0x73, 0xA1, 0x31, 0x73, 0x79, 0xBA, 0xEC,
+    0xB0, 0xD9, 0x0C, 0xF6, 0xEF, 0x2F, 0xC2, 0xE7, 0x96, 0x9B, 0xA1, 0x2D, 0xE9, 0xFB, 0x45, 0xB9,
+    0xD0, 0x30, 0xE2, 0xBD, 0x30, 0x4F, 0xB6, 0xFE, 0x24, 0x02, 0xCF, 0x8D, 0x51, 0x48, 0x45, 0xD9,
+    0xF7, 0x20, 0x53, 0x1C, 0x0B, 0xA9, 0x7E, 0xC2, 0xA2, 0x65, 0xCC, 0x3E, 0x0E, 0x0D, 0xF1, 0x62,
+    0xDD, 0x5F, 0xBC, 0x55, 0x9B, 0x58, 0x26, 0x40, 0x6A, 0xEE, 0x02, 0x55, 0x36, 0xE9, 0xBA, 0x82,
+    0x5A, 0xFD, 0x3C, 0xDF, 0xA6, 0x26, 0x32, 0x81, 0xA9, 0x5E, 0x46, 0xBE, 0xBA, 0xDC, 0xD3, 0x2A,
+    0x3A, 0x3B, 0xC1, 0x4E, 0xF7, 0x1A, 0xDC, 0x4B, 0xAF, 0x67, 0x1B, 0x3A, 0x83, 0x0D, 0x04, 0xDE,
+    0x27, 0x47, 0xFC, 0xE6, 0x39, 0x89, 0x7B, 0x66, 0xF9, 0x50, 0x4D, 0xF1, 0xAC, 0x20, 0x43, 0x7E,
+    0xEE,
+];
+
+/// DER-encoded PKCS#8 format EC key. Generated using:
+/// openssl ecparam -name prime256v1 -genkey | openssl pkcs8 -topk8 -nocrypt -outform der | hexdump -e '30/1  "%02X" "\n"'
+pub static EC_P_256_KEY: &[u8] = &[
+    0x30, 0x81, 0x87, 0x02, 0x01, 0x00, 0x30, 0x13, 0x06, 0x07, 0x2A, 0x86, 0x48, 0xCE, 0x3D, 0x02,
+    0x01, 0x06, 0x08, 0x2A, 0x86, 0x48, 0xCE, 0x3D, 0x03, 0x01, 0x07, 0x04, 0x6D, 0x30, 0x6B, 0x02,
+    0x01, 0x01, 0x04, 0x20, 0xB9, 0x1D, 0xAF, 0x50, 0xFD, 0xD8, 0x6A, 0x40, 0xAB, 0x2C, 0xCB, 0x54,
+    0x4E, 0xED, 0xF1, 0x64, 0xBC, 0x30, 0x25, 0xFB, 0xC4, 0x69, 0x00, 0x34, 0x1A, 0x82, 0xA3, 0x72,
+    0x5D, 0xC7, 0xA9, 0x85, 0xA1, 0x44, 0x03, 0x42, 0x00, 0x04, 0xE8, 0x53, 0x0A, 0xF2, 0xD3, 0x68,
+    0x40, 0x48, 0x8C, 0xB4, 0x2F, 0x11, 0x34, 0xD7, 0xF4, 0x4A, 0x5C, 0x33, 0xFF, 0xF6, 0x2B, 0xF7,
+    0x98, 0x0F, 0x02, 0xA5, 0xD7, 0x4F, 0xF9, 0xDE, 0x60, 0x9C, 0x6E, 0xB0, 0x45, 0xDA, 0x3F, 0xF4,
+    0x34, 0x23, 0x9B, 0x4C, 0x3A, 0x09, 0x9C, 0x5E, 0x5D, 0x37, 0x96, 0xAC, 0x4A, 0xE7, 0x65, 0x2B,
+    0xD6, 0x84, 0x98, 0xEA, 0x96, 0x91, 0xFB, 0x78, 0xED, 0x86,
+];
+
 /// To map Keystore errors.
 #[derive(thiserror::Error, Debug, Eq, PartialEq)]
 pub enum Error {
@@ -465,3 +563,276 @@
 
     Ok(ec_key_metadata)
 }
+
+fn check_key_param(authorizations: &[Authorization], key_param: KeyParameter) -> bool {
+    for authrization in authorizations {
+        if authrization.keyParameter == key_param {
+            return true;
+        }
+    }
+
+    false
+}
+
+/// Imports above defined RSA key - `RSA_2048_KEY` and validates imported key parameters.
+pub fn import_rsa_2048_key(
+    sec_level: &binder::Strong<dyn IKeystoreSecurityLevel>,
+    domain: Domain,
+    nspace: i64,
+    alias: Option<String>,
+    import_params: AuthSetBuilder,
+) -> binder::Result<KeyMetadata> {
+    let key_metadata = sec_level
+        .importKey(
+            &KeyDescriptor { domain, nspace, alias, blob: None },
+            None,
+            &import_params,
+            0,
+            RSA_2048_KEY,
+        )
+        .unwrap();
+
+    assert!(key_metadata.certificate.is_some());
+    assert!(key_metadata.certificateChain.is_none());
+
+    assert!(check_key_param(
+        &key_metadata.authorizations,
+        KeyParameter { tag: Tag::ALGORITHM, value: KeyParameterValue::Algorithm(Algorithm::RSA) }
+    ));
+
+    assert!(check_key_param(
+        &key_metadata.authorizations,
+        KeyParameter { tag: Tag::KEY_SIZE, value: KeyParameterValue::Integer(2048) }
+    ));
+
+    assert!(check_key_param(
+        &key_metadata.authorizations,
+        KeyParameter { tag: Tag::DIGEST, value: KeyParameterValue::Digest(Digest::SHA_2_256) }
+    ));
+
+    assert!(check_key_param(
+        &key_metadata.authorizations,
+        KeyParameter {
+            tag: Tag::RSA_PUBLIC_EXPONENT,
+            value: KeyParameterValue::LongInteger(65537)
+        }
+    ));
+
+    assert!(check_key_param(
+        &key_metadata.authorizations,
+        KeyParameter {
+            tag: Tag::PADDING,
+            value: KeyParameterValue::PaddingMode(PaddingMode::RSA_PSS)
+        }
+    ));
+
+    assert!(check_key_param(
+        &key_metadata.authorizations,
+        KeyParameter { tag: Tag::ORIGIN, value: KeyParameterValue::Origin(KeyOrigin::IMPORTED) }
+    ));
+
+    Ok(key_metadata)
+}
+
+/// Imports above defined EC key - `EC_P_256_KEY` and validates imported key parameters.
+pub fn import_ec_p_256_key(
+    sec_level: &binder::Strong<dyn IKeystoreSecurityLevel>,
+    domain: Domain,
+    nspace: i64,
+    alias: Option<String>,
+    import_params: AuthSetBuilder,
+) -> binder::Result<KeyMetadata> {
+    let key_metadata = sec_level
+        .importKey(
+            &KeyDescriptor { domain, nspace, alias, blob: None },
+            None,
+            &import_params,
+            0,
+            EC_P_256_KEY,
+        )
+        .unwrap();
+
+    assert!(key_metadata.certificate.is_some());
+    assert!(key_metadata.certificateChain.is_none());
+
+    assert!(check_key_param(
+        &key_metadata.authorizations,
+        KeyParameter { tag: Tag::ALGORITHM, value: KeyParameterValue::Algorithm(Algorithm::EC) }
+    ));
+
+    assert!(check_key_param(
+        &key_metadata.authorizations,
+        KeyParameter { tag: Tag::EC_CURVE, value: KeyParameterValue::EcCurve(EcCurve::P_256) }
+    ));
+
+    assert!(check_key_param(
+        &key_metadata.authorizations,
+        KeyParameter { tag: Tag::DIGEST, value: KeyParameterValue::Digest(Digest::SHA_2_256) }
+    ));
+    assert!(check_key_param(
+        &key_metadata.authorizations,
+        KeyParameter { tag: Tag::ORIGIN, value: KeyParameterValue::Origin(KeyOrigin::IMPORTED) }
+    ));
+
+    Ok(key_metadata)
+}
+
+/// Import sample AES key and validate its key parameters.
+pub fn import_aes_key(
+    sec_level: &binder::Strong<dyn IKeystoreSecurityLevel>,
+    domain: Domain,
+    nspace: i64,
+    alias: Option<String>,
+) -> binder::Result<KeyMetadata> {
+    static AES_KEY: &[u8] = &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
+    let key_size = AES_KEY.len() * 8;
+
+    let import_params = AuthSetBuilder::new()
+        .no_auth_required()
+        .algorithm(Algorithm::AES)
+        .block_mode(BlockMode::ECB)
+        .key_size(key_size.try_into().unwrap())
+        .purpose(KeyPurpose::ENCRYPT)
+        .purpose(KeyPurpose::DECRYPT)
+        .padding_mode(PaddingMode::PKCS7);
+
+    let key_metadata = sec_level.importKey(
+        &KeyDescriptor { domain, nspace, alias, blob: None },
+        None,
+        &import_params,
+        0,
+        AES_KEY,
+    )?;
+
+    assert!(check_key_param(
+        &key_metadata.authorizations,
+        KeyParameter { tag: Tag::ALGORITHM, value: KeyParameterValue::Algorithm(Algorithm::AES) }
+    ));
+    assert!(check_key_param(
+        &key_metadata.authorizations,
+        KeyParameter { tag: Tag::KEY_SIZE, value: KeyParameterValue::Integer(128) }
+    ));
+    assert!(check_key_param(
+        &key_metadata.authorizations,
+        KeyParameter {
+            tag: Tag::PADDING,
+            value: KeyParameterValue::PaddingMode(PaddingMode::PKCS7)
+        }
+    ));
+    assert!(check_key_param(
+        &key_metadata.authorizations,
+        KeyParameter { tag: Tag::BLOCK_MODE, value: KeyParameterValue::BlockMode(BlockMode::ECB) }
+    ));
+    assert!(check_key_param(
+        &key_metadata.authorizations,
+        KeyParameter { tag: Tag::ORIGIN, value: KeyParameterValue::Origin(KeyOrigin::IMPORTED) }
+    ));
+
+    Ok(key_metadata)
+}
+
+/// Import sample 3DES key and validate its key parameters.
+pub fn import_3des_key(
+    sec_level: &binder::Strong<dyn IKeystoreSecurityLevel>,
+    domain: Domain,
+    nspace: i64,
+    alias: Option<String>,
+) -> binder::Result<KeyMetadata> {
+    static TRIPLE_DES_KEY: &[u8] = &[
+        0xa4, 0x9d, 0x75, 0x64, 0x19, 0x9e, 0x97, 0xcb, 0x52, 0x9d, 0x2c, 0x9d, 0x97, 0xbf, 0x2f,
+        0x98, 0xd3, 0x5e, 0xdf, 0x57, 0xba, 0x1f, 0x73, 0x58,
+    ];
+
+    let import_params = AuthSetBuilder::new()
+        .no_auth_required()
+        .algorithm(Algorithm::TRIPLE_DES)
+        .block_mode(BlockMode::ECB)
+        .key_size(168)
+        .purpose(KeyPurpose::ENCRYPT)
+        .purpose(KeyPurpose::DECRYPT)
+        .padding_mode(PaddingMode::PKCS7);
+
+    let key_metadata = sec_level.importKey(
+        &KeyDescriptor { domain, nspace, alias, blob: None },
+        None,
+        &import_params,
+        0,
+        TRIPLE_DES_KEY,
+    )?;
+
+    assert!(check_key_param(
+        &key_metadata.authorizations,
+        KeyParameter {
+            tag: Tag::ALGORITHM,
+            value: KeyParameterValue::Algorithm(Algorithm::TRIPLE_DES)
+        }
+    ));
+    assert!(check_key_param(
+        &key_metadata.authorizations,
+        KeyParameter { tag: Tag::KEY_SIZE, value: KeyParameterValue::Integer(168) }
+    ));
+    assert!(check_key_param(
+        &key_metadata.authorizations,
+        KeyParameter {
+            tag: Tag::PADDING,
+            value: KeyParameterValue::PaddingMode(PaddingMode::PKCS7)
+        }
+    ));
+    assert!(check_key_param(
+        &key_metadata.authorizations,
+        KeyParameter { tag: Tag::BLOCK_MODE, value: KeyParameterValue::BlockMode(BlockMode::ECB) }
+    ));
+    assert!(check_key_param(
+        &key_metadata.authorizations,
+        KeyParameter { tag: Tag::ORIGIN, value: KeyParameterValue::Origin(KeyOrigin::IMPORTED) }
+    ));
+
+    Ok(key_metadata)
+}
+
+/// Import sample HMAC key and validate its key parameters.
+pub fn import_hmac_key(
+    sec_level: &binder::Strong<dyn IKeystoreSecurityLevel>,
+    domain: Domain,
+    nspace: i64,
+    alias: Option<String>,
+) -> binder::Result<KeyMetadata> {
+    static HMAC_KEY: &[u8] = &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
+    let key_size = HMAC_KEY.len() * 8;
+
+    let import_params = AuthSetBuilder::new()
+        .no_auth_required()
+        .algorithm(Algorithm::HMAC)
+        .key_size(key_size.try_into().unwrap())
+        .purpose(KeyPurpose::SIGN)
+        .purpose(KeyPurpose::VERIFY)
+        .digest(Digest::SHA_2_256)
+        .min_mac_length(256);
+
+    let key_metadata = sec_level.importKey(
+        &KeyDescriptor { domain, nspace, alias, blob: None },
+        None,
+        &import_params,
+        0,
+        HMAC_KEY,
+    )?;
+
+    assert!(check_key_param(
+        &key_metadata.authorizations,
+        KeyParameter { tag: Tag::ALGORITHM, value: KeyParameterValue::Algorithm(Algorithm::HMAC) }
+    ));
+    assert!(check_key_param(
+        &key_metadata.authorizations,
+        KeyParameter { tag: Tag::KEY_SIZE, value: KeyParameterValue::Integer(128) }
+    ));
+    assert!(check_key_param(
+        &key_metadata.authorizations,
+        KeyParameter { tag: Tag::DIGEST, value: KeyParameterValue::Digest(Digest::SHA_2_256) }
+    ));
+    assert!(check_key_param(
+        &key_metadata.authorizations,
+        KeyParameter { tag: Tag::ORIGIN, value: KeyParameterValue::Origin(KeyOrigin::IMPORTED) }
+    ));
+
+    Ok(key_metadata)
+}