diff --git a/include/hardware/keymaster0.h b/include/hardware/keymaster0.h
new file mode 100644
index 0000000..f020e5b
--- /dev/null
+++ b/include/hardware/keymaster0.h
@@ -0,0 +1,149 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_KEYMASTER_0_H
+#define ANDROID_HARDWARE_KEYMASTER_0_H
+
+#include <hardware/keymaster_common.h>
+
+__BEGIN_DECLS
+
+/**
+ * Keymaster0 device definition.
+ */
+struct keymaster0_device {
+    /**
+     * Common methods of the keymaster device.  This *must* be the first member of
+     * keymaster0_device as users of this structure will cast a hw_device_t to
+     * keymaster0_device pointer in contexts where it's known the hw_device_t references a
+     * keymaster0_device.
+     */
+    struct hw_device_t common;
+
+    /**
+     * THIS IS DEPRECATED. Use the new "module_api_version" and "hal_api_version"
+     * fields in the keymaster_module initialization instead.
+     */
+    uint32_t client_version;
+
+    /**
+     * See flags defined for keymaster0_device::flags in keymaster_common.h
+     */
+    uint32_t flags;
+
+    void* context;
+
+    /**
+     * Generates a public and private key. The key-blob returned is opaque
+     * and must subsequently provided for signing and verification.
+     *
+     * Returns: 0 on success or an error code less than 0.
+     */
+    int (*generate_keypair)(const struct keymaster0_device* dev,
+            const keymaster_keypair_t key_type, const void* key_params,
+            uint8_t** key_blob, size_t* key_blob_length);
+
+    /**
+     * Imports a public and private key pair. The imported keys will be in
+     * PKCS#8 format with DER encoding (Java standard). The key-blob
+     * returned is opaque and will be subsequently provided for signing
+     * and verification.
+     *
+     * Returns: 0 on success or an error code less than 0.
+     */
+    int (*import_keypair)(const struct keymaster0_device* dev,
+            const uint8_t* key, const size_t key_length,
+            uint8_t** key_blob, size_t* key_blob_length);
+
+    /**
+     * Gets the public key part of a key pair. The public key must be in
+     * X.509 format (Java standard) encoded byte array.
+     *
+     * Returns: 0 on success or an error code less than 0.
+     * On error, x509_data should not be allocated.
+     */
+    int (*get_keypair_public)(const struct keymaster0_device* dev,
+            const uint8_t* key_blob, const size_t key_blob_length,
+            uint8_t** x509_data, size_t* x509_data_length);
+
+    /**
+     * Deletes the key pair associated with the key blob.
+     *
+     * This function is optional and should be set to NULL if it is not
+     * implemented.
+     *
+     * Returns 0 on success or an error code less than 0.
+     */
+    int (*delete_keypair)(const struct keymaster0_device* dev,
+            const uint8_t* key_blob, const size_t key_blob_length);
+
+    /**
+     * Deletes all keys in the hardware keystore. Used when keystore is
+     * reset completely.
+     *
+     * This function is optional and should be set to NULL if it is not
+     * implemented.
+     *
+     * Returns 0 on success or an error code less than 0.
+     */
+    int (*delete_all)(const struct keymaster0_device* dev);
+
+    /**
+     * Signs data using a key-blob generated before. This can use either
+     * an asymmetric key or a secret key.
+     *
+     * Returns: 0 on success or an error code less than 0.
+     */
+    int (*sign_data)(const struct keymaster0_device* dev,
+            const void* signing_params,
+            const uint8_t* key_blob, const size_t key_blob_length,
+            const uint8_t* data, const size_t data_length,
+            uint8_t** signed_data, size_t* signed_data_length);
+
+    /**
+     * Verifies data signed with a key-blob. This can use either
+     * an asymmetric key or a secret key.
+     *
+     * Returns: 0 on successful verification or an error code less than 0.
+     */
+    int (*verify_data)(const struct keymaster0_device* dev,
+            const void* signing_params,
+            const uint8_t* key_blob, const size_t key_blob_length,
+            const uint8_t* signed_data, const size_t signed_data_length,
+            const uint8_t* signature, const size_t signature_length);
+};
+typedef struct keymaster0_device keymaster0_device_t;
+
+
+/* Convenience API for opening and closing keymaster devices */
+
+static inline int keymaster0_open(const struct hw_module_t* module,
+        keymaster0_device_t** device)
+{
+    int rc = module->methods->open(module, KEYSTORE_KEYMASTER,
+            (struct hw_device_t**) device);
+
+    return rc;
+}
+
+static inline int keymaster0_close(keymaster0_device_t* device)
+{
+    return device->common.close(&device->common);
+}
+
+__END_DECLS
+
+#endif  // ANDROID_HARDWARE_KEYMASTER_0_H
diff --git a/include/hardware/keymaster.h b/include/hardware/keymaster1.h
similarity index 88%
rename from include/hardware/keymaster.h
rename to include/hardware/keymaster1.h
index db66a74..dae3b8e 100644
--- a/include/hardware/keymaster.h
+++ b/include/hardware/keymaster1.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011 The Android Open Source Project
+ * Copyright (C) 2015 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,57 +14,18 @@
  * limitations under the License.
  */
 
-#ifndef ANDROID_HARDWARE_KEYMASTER_H
-#define ANDROID_HARDWARE_KEYMASTER_H
+#ifndef ANDROID_HARDWARE_KEYMASTER1_H
+#define ANDROID_HARDWARE_KEYMASTER1_H
 
-#include <stdint.h>
-#include <sys/cdefs.h>
-#include <sys/types.h>
-
-#include <hardware/hardware.h>
+#include <hardware/keymaster_common.h>
 #include <hardware/keymaster_defs.h>
 
 __BEGIN_DECLS
 
 /**
- * The id of this module
+ * Keymaster1 device definition
  */
-#define KEYSTORE_HARDWARE_MODULE_ID "keystore"
-
-#define KEYSTORE_KEYMASTER "keymaster"
-
-/**
- * Settings for "module_api_version" and "hal_api_version"
- * fields in the keymaster_module initialization.
- */
-#define KEYMASTER_HEADER_VERSION 4
-
-#define KEYMASTER_MODULE_API_VERSION_0_2 HARDWARE_MODULE_API_VERSION(0, 2)
-#define KEYMASTER_DEVICE_API_VERSION_0_2 \
-    HARDWARE_DEVICE_API_VERSION_2(0, 2, KEYMASTER_HEADER_VERSION)
-
-#define KEYMASTER_MODULE_API_VERSION_0_3 HARDWARE_MODULE_API_VERSION(0, 3)
-#define KEYMASTER_DEVICE_API_VERSION_0_3 \
-    HARDWARE_DEVICE_API_VERSION_2(0, 3, KEYMASTER_HEADER_VERSION)
-
-#define KEYMASTER_MODULE_API_VERSION_0_4 HARDWARE_MODULE_API_VERSION(0, 4)
-#define KEYMASTER_DEVICE_API_VERSION_0_4 \
-    HARDWARE_DEVICE_API_VERSION_2(0, 4, KEYMASTER_HEADER_VERSION)
-
-struct keystore_module {
-    /**
-     * Common methods of the keystore module.  This *must* be the first member of
-     * keystore_module as users of this structure will cast a hw_module_t to
-     * keystore_module pointer in contexts where it's known the hw_module_t references a
-     * keystore_module.
-     */
-    hw_module_t common;
-};
-
-/**
- * The parameters that can be set for a given keymaster implementation.
- */
-struct keymaster_device {
+struct keymaster1_device {
     /**
      * Common methods of the keymaster device.  This *must* be the first member of
      * keymaster_device as users of this structure will cast a hw_device_t to
@@ -80,7 +41,7 @@
     uint32_t client_version;
 
     /**
-     * See flags defined for keymaster_device::flags above.
+     * See flags defined for keymaster0_devices::flags in keymaster_common.h
      */
     uint32_t flags;
 
@@ -92,7 +53,7 @@
      *
      * Returns: 0 on success or an error code less than 0.
      */
-    int (*generate_keypair)(const struct keymaster_device* dev, const keymaster_keypair_t key_type,
+    int (*generate_keypair)(const struct keymaster1_device* dev, const keymaster_keypair_t key_type,
                             const void* key_params, uint8_t** key_blob, size_t* key_blob_length);
 
     /**
@@ -102,7 +63,7 @@
      *
      * Returns: 0 on success or an error code less than 0.
      */
-    int (*import_keypair)(const struct keymaster_device* dev, const uint8_t* key,
+    int (*import_keypair)(const struct keymaster1_device* dev, const uint8_t* key,
                           const size_t key_length, uint8_t** key_blob, size_t* key_blob_length);
 
     /**
@@ -112,7 +73,7 @@
      * Returns: 0 on success or an error code less than 0.  On error, x509_data
      * should not be allocated.
      */
-    int (*get_keypair_public)(const struct keymaster_device* dev, const uint8_t* key_blob,
+    int (*get_keypair_public)(const struct keymaster1_device* dev, const uint8_t* key_blob,
                               const size_t key_blob_length, uint8_t** x509_data,
                               size_t* x509_data_length);
 
@@ -124,7 +85,7 @@
      *
      * Returns 0 on success or an error code less than 0.
      */
-    int (*delete_keypair)(const struct keymaster_device* dev, const uint8_t* key_blob,
+    int (*delete_keypair)(const struct keymaster1_device* dev, const uint8_t* key_blob,
                           const size_t key_blob_length);
 
     /**
@@ -136,7 +97,7 @@
      *
      * Returns 0 on success or an error code less than 0.
      */
-    int (*delete_all)(const struct keymaster_device* dev);
+    int (*delete_all)(const struct keymaster1_device* dev);
 
     /**
      * \deprecated Signs data using a key-blob generated before. This can use either an asymmetric
@@ -144,7 +105,7 @@
      *
      * Returns: 0 on success or an error code less than 0.
      */
-    int (*sign_data)(const struct keymaster_device* dev, const void* signing_params,
+    int (*sign_data)(const struct keymaster1_device* dev, const void* signing_params,
                      const uint8_t* key_blob, const size_t key_blob_length, const uint8_t* data,
                      const size_t data_length, uint8_t** signed_data, size_t* signed_data_length);
 
@@ -154,7 +115,7 @@
      *
      * Returns: 0 on successful verification or an error code less than 0.
      */
-    int (*verify_data)(const struct keymaster_device* dev, const void* signing_params,
+    int (*verify_data)(const struct keymaster1_device* dev, const void* signing_params,
                        const uint8_t* key_blob, const size_t key_blob_length,
                        const uint8_t* signed_data, const size_t signed_data_length,
                        const uint8_t* signature, const size_t signature_length);
@@ -169,7 +130,7 @@
      *
      * \param[out] algorithms_length Length of \p algorithms.
      */
-    keymaster_error_t (*get_supported_algorithms)(const struct keymaster_device* dev,
+    keymaster_error_t (*get_supported_algorithms)(const struct keymaster1_device* dev,
                                                   keymaster_algorithm_t** algorithms,
                                                   size_t* algorithms_length);
 
@@ -185,7 +146,7 @@
      *
      * \param[out] modes_length Length of \p modes.
      */
-    keymaster_error_t (*get_supported_block_modes)(const struct keymaster_device* dev,
+    keymaster_error_t (*get_supported_block_modes)(const struct keymaster1_device* dev,
                                                    keymaster_algorithm_t algorithm,
                                                    keymaster_purpose_t purpose,
                                                    keymaster_block_mode_t** modes,
@@ -204,7 +165,7 @@
      *
      * \param[out] modes_length Length of \p modes.
      */
-    keymaster_error_t (*get_supported_padding_modes)(const struct keymaster_device* dev,
+    keymaster_error_t (*get_supported_padding_modes)(const struct keymaster1_device* dev,
                                                      keymaster_algorithm_t algorithm,
                                                      keymaster_purpose_t purpose,
                                                      keymaster_padding_t** modes,
@@ -223,7 +184,7 @@
      *
      * \param[out] digests_length Length of \p digests.
      */
-    keymaster_error_t (*get_supported_digests)(const struct keymaster_device* dev,
+    keymaster_error_t (*get_supported_digests)(const struct keymaster1_device* dev,
                                                keymaster_algorithm_t algorithm,
                                                keymaster_purpose_t purpose,
                                                keymaster_digest_t** digests,
@@ -242,7 +203,7 @@
      *
      * \param[out] formats_length Length of \p formats.
      */
-    keymaster_error_t (*get_supported_import_formats)(const struct keymaster_device* dev,
+    keymaster_error_t (*get_supported_import_formats)(const struct keymaster1_device* dev,
                                                       keymaster_algorithm_t algorithm,
                                                       keymaster_key_format_t** formats,
                                                       size_t* formats_length);
@@ -260,7 +221,7 @@
      *
      * \param[out] formats_length Length of \p formats.
      */
-    keymaster_error_t (*get_supported_export_formats)(const struct keymaster_device* dev,
+    keymaster_error_t (*get_supported_export_formats)(const struct keymaster1_device* dev,
                                                       keymaster_algorithm_t algorithm,
                                                       keymaster_key_format_t** formats,
                                                       size_t* formats_length);
@@ -278,7 +239,7 @@
      *
      * \param[in] data_length Length of \p data.
      */
-    keymaster_error_t (*add_rng_entropy)(const struct keymaster_device* dev, const uint8_t* data,
+    keymaster_error_t (*add_rng_entropy)(const struct keymaster1_device* dev, const uint8_t* data,
                                          size_t data_length);
 
     /**
@@ -336,7 +297,7 @@
      * keymaster_free_characteristics().  Note that KM_TAG_ROOT_OF_TRUST, KM_TAG_APPLICATION_ID and
      * KM_TAG_APPLICATION_DATA are never returned.
      */
-    keymaster_error_t (*generate_key)(const struct keymaster_device* dev,
+    keymaster_error_t (*generate_key)(const struct keymaster1_device* dev,
                                       const keymaster_key_param_t* params, size_t params_count,
                                       keymaster_key_blob_t* key_blob,
                                       keymaster_key_characteristics_t** characteristics);
@@ -361,7 +322,7 @@
      *
      * \param[out] characteristics The key characteristics.
      */
-    keymaster_error_t (*get_key_characteristics)(const struct keymaster_device* dev,
+    keymaster_error_t (*get_key_characteristics)(const struct keymaster1_device* dev,
                                                  const keymaster_key_blob_t* key_blob,
                                                  const keymaster_blob_t* client_id,
                                                  const keymaster_blob_t* app_data,
@@ -396,7 +357,7 @@
      * hw_enforced and sw_enforced lists.  The caller takes ownership and must call
      * keymaster_free_characteristics() to free.
      */
-    keymaster_error_t (*rescope)(const struct keymaster_device* dev,
+    keymaster_error_t (*rescope)(const struct keymaster1_device* dev,
                                  const keymaster_key_param_t* new_params, size_t new_params_count,
                                  const keymaster_key_blob_t* key_blob,
                                  const keymaster_blob_t* client_id,
@@ -456,7 +417,7 @@
      * NULL, in which case no characteristics will be returned.  If non-NULL, the caller assumes
      * ownership and must deallocate with keymaster_free_characteristics().
      */
-    keymaster_error_t (*import_key)(const struct keymaster_device* dev,
+    keymaster_error_t (*import_key)(const struct keymaster1_device* dev,
                                     const keymaster_key_param_t* params, size_t params_count,
                                     keymaster_key_format_t key_format, const uint8_t* key_data,
                                     size_t key_data_length, keymaster_key_blob_t* key_blob,
@@ -475,7 +436,7 @@
      *
      * \param[out] export_data_length The length of \p export_data.
      */
-    keymaster_error_t (*export_key)(const struct keymaster_device* dev,
+    keymaster_error_t (*export_key)(const struct keymaster1_device* dev,
                                     keymaster_key_format_t export_format,
                                     const keymaster_key_blob_t* key_to_export,
                                     const keymaster_blob_t* client_id,
@@ -494,7 +455,7 @@
      *
      * \param[in] key The key to be deleted.
      */
-    keymaster_error_t (*delete_key)(const struct keymaster_device* dev,
+    keymaster_error_t (*delete_key)(const struct keymaster1_device* dev,
                                     const keymaster_key_blob_t* key);
 
     /**
@@ -508,7 +469,7 @@
      *
      * Returns 0 on success or an error code less than 0.
      */
-    int (*delete_all_keys)(const struct keymaster_device* dev);
+    int (*delete_all_keys)(const struct keymaster1_device* dev);
 
     /**
      * Begins a cryptographic operation using the specified key.  If all is well, begin() will
@@ -549,7 +510,7 @@
      * \param[out] operation_handle The newly-created operation handle which must be passed to
      * update(), finish() or abort().
      */
-    keymaster_error_t (*begin)(const struct keymaster_device* dev, keymaster_purpose_t purpose,
+    keymaster_error_t (*begin)(const struct keymaster1_device* dev, keymaster_purpose_t purpose,
                                const keymaster_key_blob_t* key, const keymaster_key_param_t* params,
                                size_t params_count, keymaster_key_param_t** out_params,
                                size_t* out_params_count,
@@ -593,7 +554,7 @@
      * Note that update() may not provide any output, in which case *output_length will be zero, and
      * *output may be either NULL or zero-length (so the caller should always free() it).
      */
-    keymaster_error_t (*update)(const struct keymaster_device* dev,
+    keymaster_error_t (*update)(const struct keymaster1_device* dev,
                                 keymaster_operation_handle_t operation_handle,
                                 const keymaster_key_param_t* params, size_t params_count,
                                 const uint8_t* input, size_t input_length, size_t* input_consumed,
@@ -626,7 +587,7 @@
      * If the operation being finished is a signature verification or an AEAD-mode decryption and
      * verification fails then finish() will return KM_ERROR_VERIFICATION_FAILED.
      */
-    keymaster_error_t (*finish)(const struct keymaster_device* dev,
+    keymaster_error_t (*finish)(const struct keymaster1_device* dev,
                                 keymaster_operation_handle_t operation_handle,
                                 const keymaster_key_param_t* params, size_t params_count,
                                 const uint8_t* signature, size_t signature_length, uint8_t** output,
@@ -636,21 +597,21 @@
      * Aborts a cryptographic operation begun with begin(), freeing all internal resources and
      * invalidating operation_handle.
      */
-    keymaster_error_t (*abort)(const struct keymaster_device* dev,
+    keymaster_error_t (*abort)(const struct keymaster1_device* dev,
                                keymaster_operation_handle_t operation_handle);
 };
-typedef struct keymaster_device keymaster_device_t;
+typedef struct keymaster1_device keymaster1_device_t;
 
 /* Convenience API for opening and closing keymaster devices */
 
-static inline int keymaster_open(const struct hw_module_t* module, keymaster_device_t** device) {
+static inline int keymaster1_open(const struct hw_module_t* module, keymaster1_device_t** device) {
     return module->methods->open(module, KEYSTORE_KEYMASTER, (struct hw_device_t**)device);
 }
 
-static inline int keymaster_close(keymaster_device_t* device) {
+static inline int keymaster1_close(keymaster1_device_t* device) {
     return device->common.close(&device->common);
 }
 
 __END_DECLS
 
-#endif  // ANDROID_HARDWARE_KEYMASTER_H
+#endif  // ANDROID_HARDWARE_KEYMASTER1_H
diff --git a/include/hardware/keymaster_common.h b/include/hardware/keymaster_common.h
new file mode 100644
index 0000000..772d7e4
--- /dev/null
+++ b/include/hardware/keymaster_common.h
@@ -0,0 +1,185 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_KEYMASTER_COMMON_H
+#define ANDROID_HARDWARE_KEYMASTER_COMMON_H
+
+#include <stdint.h>
+#include <sys/cdefs.h>
+#include <sys/types.h>
+
+#include <hardware/hardware.h>
+
+__BEGIN_DECLS
+
+/**
+ * The id of this module
+ */
+#define KEYSTORE_HARDWARE_MODULE_ID "keystore"
+
+#define KEYSTORE_KEYMASTER "keymaster"
+
+
+/**
+ * Settings for "module_api_version" and "hal_api_version"
+ * fields in the keymaster_module initialization.
+ */
+
+/**
+ * Keymaster 0.X module version provide the same APIs, but later versions add more options
+ * for algorithms and flags.
+ */
+#define KEYMASTER_MODULE_API_VERSION_0_2 HARDWARE_MODULE_API_VERSION(0, 2)
+#define KEYMASTER_DEVICE_API_VERSION_0_2 HARDWARE_DEVICE_API_VERSION(0, 2)
+
+#define KEYMASTER_MODULE_API_VERSION_0_3 HARDWARE_MODULE_API_VERSION(0, 3)
+#define KEYMASTER_DEVICE_API_VERSION_0_3 HARDWARE_DEVICE_API_VERSION(0, 3)
+
+/**
+ * Keymaster 1.0 module version provides a completely different API, incompatible with 0.X.
+ */
+#define KEYMASTER_MODULE_API_VERSION_1_0 HARDWARE_MODULE_API_VERSION(1, 0)
+#define KEYMASTER_DEVICE_API_VERSION_1_0 HARDWARE_DEVICE_API_VERSION(1, 0)
+
+struct keystore_module {
+    /**
+     * Common methods of the keystore module.  This *must* be the first member of keystore_module as
+     * users of this structure will cast a hw_module_t to keystore_module pointer in contexts where
+     * it's known the hw_module_t references a keystore_module.
+     */
+    hw_module_t common;
+
+    /* There are no keystore module methods other than the common ones. */
+};
+
+/**
+ * Flags for keymaster0_device::flags
+ */
+enum {
+    /*
+     * Indicates this keymaster implementation does not have hardware that
+     * keeps private keys out of user space.
+     *
+     * This should not be implemented on anything other than the default
+     * implementation.
+     */
+    KEYMASTER_SOFTWARE_ONLY = 1 << 0,
+
+    /*
+     * This indicates that the key blobs returned via all the primitives
+     * are sufficient to operate on their own without the trusted OS
+     * querying userspace to retrieve some other data. Key blobs of
+     * this type are normally returned encrypted with a
+     * Key Encryption Key (KEK).
+     *
+     * This is currently used by "vold" to know whether the whole disk
+     * encryption secret can be unwrapped without having some external
+     * service started up beforehand since the "/data" partition will
+     * be unavailable at that point.
+     */
+    KEYMASTER_BLOBS_ARE_STANDALONE = 1 << 1,
+
+    /*
+     * Indicates that the keymaster module supports DSA keys.
+     */
+    KEYMASTER_SUPPORTS_DSA = 1 << 2,
+
+    /*
+     * Indicates that the keymaster module supports EC keys.
+     */
+    KEYMASTER_SUPPORTS_EC = 1 << 3,
+};
+
+/**
+ * Asymmetric key pair types.
+ */
+typedef enum {
+    TYPE_RSA = 1,
+    TYPE_DSA = 2,
+    TYPE_EC = 3,
+} keymaster_keypair_t;
+
+/**
+ * Parameters needed to generate an RSA key.
+ */
+typedef struct {
+    uint32_t modulus_size;
+    uint64_t public_exponent;
+} keymaster_rsa_keygen_params_t;
+
+/**
+ * Parameters needed to generate a DSA key.
+ */
+typedef struct {
+    uint32_t key_size;
+    uint32_t generator_len;
+    uint32_t prime_p_len;
+    uint32_t prime_q_len;
+    const uint8_t* generator;
+    const uint8_t* prime_p;
+    const uint8_t* prime_q;
+} keymaster_dsa_keygen_params_t;
+
+/**
+ * Parameters needed to generate an EC key.
+ *
+ * Field size is the only parameter in version 2. The sizes correspond to these required curves:
+ *
+ * 192 = NIST P-192
+ * 224 = NIST P-224
+ * 256 = NIST P-256
+ * 384 = NIST P-384
+ * 521 = NIST P-521
+ *
+ * The parameters for these curves are available at: http://www.nsa.gov/ia/_files/nist-routines.pdf
+ * in Chapter 4.
+ */
+typedef struct {
+    uint32_t field_size;
+} keymaster_ec_keygen_params_t;
+
+
+/**
+ * Digest type.
+ */
+typedef enum {
+    DIGEST_NONE,
+} keymaster_digest_algorithm_t;
+
+/**
+ * Type of padding used for RSA operations.
+ */
+typedef enum {
+    PADDING_NONE,
+} keymaster_rsa_padding_t;
+
+
+typedef struct {
+    keymaster_digest_algorithm_t digest_type;
+} keymaster_dsa_sign_params_t;
+
+typedef struct {
+    keymaster_digest_algorithm_t digest_type;
+} keymaster_ec_sign_params_t;
+
+typedef struct {
+    keymaster_digest_algorithm_t digest_type;
+    keymaster_rsa_padding_t padding_type;
+} keymaster_rsa_sign_params_t;
+
+__END_DECLS
+
+#endif  // ANDROID_HARDWARE_KEYMASTER_COMMON_H
diff --git a/include/hardware/keymaster_defs.h b/include/hardware/keymaster_defs.h
index f8e90b6..2e93dc6 100644
--- a/include/hardware/keymaster_defs.h
+++ b/include/hardware/keymaster_defs.h
@@ -25,57 +25,6 @@
 extern "C" {
 #endif  // defined(__cplusplus)
 
-/*!
- * \deprecated Flags for keymaster_device::flags
- *
- * keymaster_device::flags is deprecated and will be removed in the
- * next version of the API in favor of the more detailed information
- * available from TODO:
- */
-enum {
-    /*
-     * Indicates this keymaster implementation does not have hardware that
-     * keeps private keys out of user space.
-     *
-     * This should not be implemented on anything other than the default
-     * implementation.
-     */
-    KEYMASTER_SOFTWARE_ONLY = 1 << 0,
-
-    /*
-     * This indicates that the key blobs returned via all the primitives
-     * are sufficient to operate on their own without the trusted OS
-     * querying userspace to retrieve some other data. Key blobs of
-     * this type are normally returned encrypted with a
-     * Key Encryption Key (KEK).
-     *
-     * This is currently used by "vold" to know whether the whole disk
-     * encryption secret can be unwrapped without having some external
-     * service started up beforehand since the "/data" partition will
-     * be unavailable at that point.
-     */
-    KEYMASTER_BLOBS_ARE_STANDALONE = 1 << 1,
-
-    /*
-     * Indicates that the keymaster module supports DSA keys.
-     */
-    KEYMASTER_SUPPORTS_DSA = 1 << 2,
-
-    /*
-     * Indicates that the keymaster module supports EC keys.
-     */
-    KEYMASTER_SUPPORTS_EC = 1 << 3,
-};
-
-/**
- * \deprecated Asymmetric key pair types.
- */
-typedef enum {
-    TYPE_RSA = 1,
-    TYPE_DSA = 2,
-    TYPE_EC = 3,
-} keymaster_keypair_t;
-
 /**
  * Authorization tags each have an associated type.  This enumeration facilitates tagging each with
  * a type, by using the high four bits (of an implied 32-bit unsigned enum value) to specify up to
@@ -183,9 +132,7 @@
 
 /**
  * Algorithms that may be provided by keymaster implementations.  Those that must be provided by all
- * implementations are tagged as "required".  Note that where the values in this enumeration overlap
- * with the values for the deprecated keymaster_keypair_t, the same algorithm must be
- * specified. This type is new in 0_4 and replaces the deprecated keymaster_keypair_t.
+ * implementations are tagged as "required".
  */
 typedef enum {
     /* Asymmetric algorithms. */
@@ -271,7 +218,6 @@
  */
 typedef enum {
     KM_DIGEST_NONE = 0,           /* new, required */
-    DIGEST_NONE = KM_DIGEST_NONE, /* For 0_2 compatibility */
     KM_DIGEST_MD5 = 1,            /* new, for compatibility with old protocols only */
     KM_DIGEST_SHA1 = 2,           /* new */
     KM_DIGEST_SHA_2_224 = 3,      /* new */
@@ -433,68 +379,6 @@
     KM_ERROR_UNKNOWN_ERROR = -1000,
 } keymaster_error_t;
 
-/**
- * \deprecated Parameters needed to generate an RSA key.
- */
-typedef struct {
-    uint32_t modulus_size; /* bits */
-    uint64_t public_exponent;
-} keymaster_rsa_keygen_params_t;
-
-/**
- * \deprecated Parameters needed to generate a DSA key.
- */
-typedef struct {
-    uint32_t key_size; /* bits */
-    uint32_t generator_len;
-    uint32_t prime_p_len;
-    uint32_t prime_q_len;
-    const uint8_t* generator;
-    const uint8_t* prime_p;
-    const uint8_t* prime_q;
-} keymaster_dsa_keygen_params_t;
-
-/**
- * \deprecated Parameters needed to generate an EC key.
- *
- * Field size is the only parameter in version 4. The sizes correspond to these required curves:
- *
- * 192 = NIST P-192
- * 224 = NIST P-224
- * 256 = NIST P-256
- * 384 = NIST P-384
- * 521 = NIST P-521
- *
- * The parameters for these curves are available at: http://www.nsa.gov/ia/_files/nist-routines.pdf
- * in Chapter 4.
- */
-typedef struct { uint32_t field_size; /* bits */ } keymaster_ec_keygen_params_t;
-
-/**
- * \deprecated Type of padding used for RSA operations.
- */
-typedef enum {
-    PADDING_NONE,
-} keymaster_rsa_padding_t;
-
-/**
- * \deprecated
- */
-typedef struct { keymaster_digest_t digest_type; } keymaster_dsa_sign_params_t;
-
-/**
- * \deprecated
- */
-typedef struct { keymaster_digest_t digest_type; } keymaster_ec_sign_params_t;
-
-/**
- *\deprecated
- */
-typedef struct {
-    keymaster_digest_t digest_type;
-    keymaster_rsa_padding_t padding_type;
-} keymaster_rsa_sign_params_t;
-
 /* Convenience functions for manipulating keymaster tag types */
 
 static inline keymaster_tag_type_t keymaster_tag_get_type(keymaster_tag_t tag) {