trusty/keymaster/trusty_keymaster_main.cpp - third_party/android/platform/system/core - Git at Google

 /*
  * Copyright 2014 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.
  */

 #include <keymaster/keymaster_configuration.h>

 #include <stdio.h>
 #include <memory>

 #include <openssl/evp.h>
 #include <openssl/x509.h>

 #include "trusty_keymaster_device.h"

 using keymaster::TrustyKeymasterDevice;

 unsigned char rsa_privkey_pk8_der[] = {
     0x30, 0x82, 0x02, 0x75, 0x02, 0x01, 0x00, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7,
     0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x04, 0x82, 0x02, 0x5f, 0x30, 0x82, 0x02, 0x5b, 0x02, 0x01,
     0x00, 0x02, 0x81, 0x81, 0x00, 0xc6, 0x09, 0x54, 0x09, 0x04, 0x7d, 0x86, 0x34, 0x81, 0x2d, 0x5a,
     0x21, 0x81, 0x76, 0xe4, 0x5c, 0x41, 0xd6, 0x0a, 0x75, 0xb1, 0x39, 0x01, 0xf2, 0x34, 0x22, 0x6c,
     0xff, 0xe7, 0x76, 0x52, 0x1c, 0x5a, 0x77, 0xb9, 0xe3, 0x89, 0x41, 0x7b, 0x71, 0xc0, 0xb6, 0xa4,
     0x4d, 0x13, 0xaf, 0xe4, 0xe4, 0xa2, 0x80, 0x5d, 0x46, 0xc9, 0xda, 0x29, 0x35, 0xad, 0xb1, 0xff,
     0x0c, 0x1f, 0x24, 0xea, 0x06, 0xe6, 0x2b, 0x20, 0xd7, 0x76, 0x43, 0x0a, 0x4d, 0x43, 0x51, 0x57,
     0x23, 0x3c, 0x6f, 0x91, 0x67, 0x83, 0xc3, 0x0e, 0x31, 0x0f, 0xcb, 0xd8, 0x9b, 0x85, 0xc2, 0xd5,
     0x67, 0x71, 0x16, 0x97, 0x85, 0xac, 0x12, 0xbc, 0xa2, 0x44, 0xab, 0xda, 0x72, 0xbf, 0xb1, 0x9f,
     0xc4, 0x4d, 0x27, 0xc8, 0x1e, 0x1d, 0x92, 0xde, 0x28, 0x4f, 0x40, 0x61, 0xed, 0xfd, 0x99, 0x28,
     0x07, 0x45, 0xea, 0x6d, 0x25, 0x02, 0x03, 0x01, 0x00, 0x01, 0x02, 0x81, 0x80, 0x1b, 0xe0, 0xf0,
     0x4d, 0x9c, 0xae, 0x37, 0x18, 0x69, 0x1f, 0x03, 0x53, 0x38, 0x30, 0x8e, 0x91, 0x56, 0x4b, 0x55,
     0x89, 0x9f, 0xfb, 0x50, 0x84, 0xd2, 0x46, 0x0e, 0x66, 0x30, 0x25, 0x7e, 0x05, 0xb3, 0xce, 0xab,
     0x02, 0x97, 0x2d, 0xfa, 0xbc, 0xd6, 0xce, 0x5f, 0x6e, 0xe2, 0x58, 0x9e, 0xb6, 0x79, 0x11, 0xed,
     0x0f, 0xac, 0x16, 0xe4, 0x3a, 0x44, 0x4b, 0x8c, 0x86, 0x1e, 0x54, 0x4a, 0x05, 0x93, 0x36, 0x57,
     0x72, 0xf8, 0xba, 0xf6, 0xb2, 0x2f, 0xc9, 0xe3, 0xc5, 0xf1, 0x02, 0x4b, 0x06, 0x3a, 0xc0, 0x80,
     0xa7, 0xb2, 0x23, 0x4c, 0xf8, 0xae, 0xe8, 0xf6, 0xc4, 0x7b, 0xbf, 0x4f, 0xd3, 0xac, 0xe7, 0x24,
     0x02, 0x90, 0xbe, 0xf1, 0x6c, 0x0b, 0x3f, 0x7f, 0x3c, 0xdd, 0x64, 0xce, 0x3a, 0xb5, 0x91, 0x2c,
     0xf6, 0xe3, 0x2f, 0x39, 0xab, 0x18, 0x83, 0x58, 0xaf, 0xcc, 0xcd, 0x80, 0x81, 0x02, 0x41, 0x00,
     0xe4, 0xb4, 0x9e, 0xf5, 0x0f, 0x76, 0x5d, 0x3b, 0x24, 0xdd, 0xe0, 0x1a, 0xce, 0xaa, 0xf1, 0x30,
     0xf2, 0xc7, 0x66, 0x70, 0xa9, 0x1a, 0x61, 0xae, 0x08, 0xaf, 0x49, 0x7b, 0x4a, 0x82, 0xbe, 0x6d,
     0xee, 0x8f, 0xcd, 0xd5, 0xe3, 0xf7, 0xba, 0x1c, 0xfb, 0x1f, 0x0c, 0x92, 0x6b, 0x88, 0xf8, 0x8c,
     0x92, 0xbf, 0xab, 0x13, 0x7f, 0xba, 0x22, 0x85, 0x22, 0x7b, 0x83, 0xc3, 0x42, 0xff, 0x7c, 0x55,
     0x02, 0x41, 0x00, 0xdd, 0xab, 0xb5, 0x83, 0x9c, 0x4c, 0x7f, 0x6b, 0xf3, 0xd4, 0x18, 0x32, 0x31,
     0xf0, 0x05, 0xb3, 0x1a, 0xa5, 0x8a, 0xff, 0xdd, 0xa5, 0xc7, 0x9e, 0x4c, 0xce, 0x21, 0x7f, 0x6b,
     0xc9, 0x30, 0xdb, 0xe5, 0x63, 0xd4, 0x80, 0x70, 0x6c, 0x24, 0xe9, 0xeb, 0xfc, 0xab, 0x28, 0xa6,
     0xcd, 0xef, 0xd3, 0x24, 0xb7, 0x7e, 0x1b, 0xf7, 0x25, 0x1b, 0x70, 0x90, 0x92, 0xc2, 0x4f, 0xf5,
     0x01, 0xfd, 0x91, 0x02, 0x40, 0x23, 0xd4, 0x34, 0x0e, 0xda, 0x34, 0x45, 0xd8, 0xcd, 0x26, 0xc1,
     0x44, 0x11, 0xda, 0x6f, 0xdc, 0xa6, 0x3c, 0x1c, 0xcd, 0x4b, 0x80, 0xa9, 0x8a, 0xd5, 0x2b, 0x78,
     0xcc, 0x8a, 0xd8, 0xbe, 0xb2, 0x84, 0x2c, 0x1d, 0x28, 0x04, 0x05, 0xbc, 0x2f, 0x6c, 0x1b, 0xea,
     0x21, 0x4a, 0x1d, 0x74, 0x2a, 0xb9, 0x96, 0xb3, 0x5b, 0x63, 0xa8, 0x2a, 0x5e, 0x47, 0x0f, 0xa8,
     0x8d, 0xbf, 0x82, 0x3c, 0xdd, 0x02, 0x40, 0x1b, 0x7b, 0x57, 0x44, 0x9a, 0xd3, 0x0d, 0x15, 0x18,
     0x24, 0x9a, 0x5f, 0x56, 0xbb, 0x98, 0x29, 0x4d, 0x4b, 0x6a, 0xc1, 0x2f, 0xfc, 0x86, 0x94, 0x04,
     0x97, 0xa5, 0xa5, 0x83, 0x7a, 0x6c, 0xf9, 0x46, 0x26, 0x2b, 0x49, 0x45, 0x26, 0xd3, 0x28, 0xc1,
     0x1e, 0x11, 0x26, 0x38, 0x0f, 0xde, 0x04, 0xc2, 0x4f, 0x91, 0x6d, 0xec, 0x25, 0x08, 0x92, 0xdb,
     0x09, 0xa6, 0xd7, 0x7c, 0xdb, 0xa3, 0x51, 0x02, 0x40, 0x77, 0x62, 0xcd, 0x8f, 0x4d, 0x05, 0x0d,
     0xa5, 0x6b, 0xd5, 0x91, 0xad, 0xb5, 0x15, 0xd2, 0x4d, 0x7c, 0xcd, 0x32, 0xcc, 0xa0, 0xd0, 0x5f,
     0x86, 0x6d, 0x58, 0x35, 0x14, 0xbd, 0x73, 0x24, 0xd5, 0xf3, 0x36, 0x45, 0xe8, 0xed, 0x8b, 0x4a,
     0x1c, 0xb3, 0xcc, 0x4a, 0x1d, 0x67, 0x98, 0x73, 0x99, 0xf2, 0xa0, 0x9f, 0x5b, 0x3f, 0xb6, 0x8c,
     0x88, 0xd5, 0xe5, 0xd9, 0x0a, 0xc3, 0x34, 0x92, 0xd6};
 unsigned int rsa_privkey_pk8_der_len = 633;

 unsigned char dsa_privkey_pk8_der[] = {
     0x30, 0x82, 0x01, 0x4b, 0x02, 0x01, 0x00, 0x30, 0x82, 0x01, 0x2b, 0x06, 0x07, 0x2a, 0x86, 0x48,
     0xce, 0x38, 0x04, 0x01, 0x30, 0x82, 0x01, 0x1e, 0x02, 0x81, 0x81, 0x00, 0xa3, 0xf3, 0xe9, 0xb6,
     0x7e, 0x7d, 0x88, 0xf6, 0xb7, 0xe5, 0xf5, 0x1f, 0x3b, 0xee, 0xac, 0xd7, 0xad, 0xbc, 0xc9, 0xd1,
     0x5a, 0xf8, 0x88, 0xc4, 0xef, 0x6e, 0x3d, 0x74, 0x19, 0x74, 0xe7, 0xd8, 0xe0, 0x26, 0x44, 0x19,
     0x86, 0xaf, 0x19, 0xdb, 0x05, 0xe9, 0x3b, 0x8b, 0x58, 0x58, 0xde, 0xe5, 0x4f, 0x48, 0x15, 0x01,
     0xea, 0xe6, 0x83, 0x52, 0xd7, 0xc1, 0x21, 0xdf, 0xb9, 0xb8, 0x07, 0x66, 0x50, 0xfb, 0x3a, 0x0c,
     0xb3, 0x85, 0xee, 0xbb, 0x04, 0x5f, 0xc2, 0x6d, 0x6d, 0x95, 0xfa, 0x11, 0x93, 0x1e, 0x59, 0x5b,
     0xb1, 0x45, 0x8d, 0xe0, 0x3d, 0x73, 0xaa, 0xf2, 0x41, 0x14, 0x51, 0x07, 0x72, 0x3d, 0xa2, 0xf7,
     0x58, 0xcd, 0x11, 0xa1, 0x32, 0xcf, 0xda, 0x42, 0xb7, 0xcc, 0x32, 0x80, 0xdb, 0x87, 0x82, 0xec,
     0x42, 0xdb, 0x5a, 0x55, 0x24, 0x24, 0xa2, 0xd1, 0x55, 0x29, 0xad, 0xeb, 0x02, 0x15, 0x00, 0xeb,
     0xea, 0x17, 0xd2, 0x09, 0xb3, 0xd7, 0x21, 0x9a, 0x21, 0x07, 0x82, 0x8f, 0xab, 0xfe, 0x88, 0x71,
     0x68, 0xf7, 0xe3, 0x02, 0x81, 0x80, 0x19, 0x1c, 0x71, 0xfd, 0xe0, 0x03, 0x0c, 0x43, 0xd9, 0x0b,
     0xf6, 0xcd, 0xd6, 0xa9, 0x70, 0xe7, 0x37, 0x86, 0x3a, 0x78, 0xe9, 0xa7, 0x47, 0xa7, 0x47, 0x06,
     0x88, 0xb1, 0xaf, 0xd7, 0xf3, 0xf1, 0xa1, 0xd7, 0x00, 0x61, 0x28, 0x88, 0x31, 0x48, 0x60, 0xd8,
     0x11, 0xef, 0xa5, 0x24, 0x1a, 0x81, 0xc4, 0x2a, 0xe2, 0xea, 0x0e, 0x36, 0xd2, 0xd2, 0x05, 0x84,
     0x37, 0xcf, 0x32, 0x7d, 0x09, 0xe6, 0x0f, 0x8b, 0x0c, 0xc8, 0xc2, 0xa4, 0xb1, 0xdc, 0x80, 0xca,
     0x68, 0xdf, 0xaf, 0xd2, 0x90, 0xc0, 0x37, 0x58, 0x54, 0x36, 0x8f, 0x49, 0xb8, 0x62, 0x75, 0x8b,
     0x48, 0x47, 0xc0, 0xbe, 0xf7, 0x9a, 0x92, 0xa6, 0x68, 0x05, 0xda, 0x9d, 0xaf, 0x72, 0x9a, 0x67,
     0xb3, 0xb4, 0x14, 0x03, 0xae, 0x4f, 0x4c, 0x76, 0xb9, 0xd8, 0x64, 0x0a, 0xba, 0x3b, 0xa8, 0x00,
     0x60, 0x4d, 0xae, 0x81, 0xc3, 0xc5, 0x04, 0x17, 0x02, 0x15, 0x00, 0x81, 0x9d, 0xfd, 0x53, 0x0c,
     0xc1, 0x8f, 0xbe, 0x8b, 0xea, 0x00, 0x26, 0x19, 0x29, 0x33, 0x91, 0x84, 0xbe, 0xad, 0x81};
 unsigned int dsa_privkey_pk8_der_len = 335;

 unsigned char ec_privkey_pk8_der[] = {
     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, 0x73, 0x7c, 0x2e, 0xcd, 0x7b, 0x8d, 0x19, 0x40, 0xbf, 0x29, 0x30, 0xaa,
     0x9b, 0x4e, 0xd3, 0xff, 0x94, 0x1e, 0xed, 0x09, 0x36, 0x6b, 0xc0, 0x32, 0x99, 0x98, 0x64, 0x81,
     0xf3, 0xa4, 0xd8, 0x59, 0xa1, 0x44, 0x03, 0x42, 0x00, 0x04, 0xbf, 0x85, 0xd7, 0x72, 0x0d, 0x07,
     0xc2, 0x54, 0x61, 0x68, 0x3b, 0xc6, 0x48, 0xb4, 0x77, 0x8a, 0x9a, 0x14, 0xdd, 0x8a, 0x02, 0x4e,
     0x3b, 0xdd, 0x8c, 0x7d, 0xdd, 0x9a, 0xb2, 0xb5, 0x28, 0xbb, 0xc7, 0xaa, 0x1b, 0x51, 0xf1, 0x4e,
     0xbb, 0xbb, 0x0b, 0xd0, 0xce, 0x21, 0xbc, 0xc4, 0x1c, 0x6e, 0xb0, 0x00, 0x83, 0xcf, 0x33, 0x76,
     0xd1, 0x1f, 0xd4, 0x49, 0x49, 0xe0, 0xb2, 0x18, 0x3b, 0xfe};
 unsigned int ec_privkey_pk8_der_len = 138;

 keymaster_key_param_t ec_params[] = {
     keymaster_param_enum(KM_TAG_ALGORITHM, KM_ALGORITHM_EC),
     keymaster_param_long(KM_TAG_EC_CURVE, KM_EC_CURVE_P_521),
     keymaster_param_enum(KM_TAG_PURPOSE, KM_PURPOSE_SIGN),
     keymaster_param_enum(KM_TAG_PURPOSE, KM_PURPOSE_VERIFY),
     keymaster_param_enum(KM_TAG_DIGEST, KM_DIGEST_NONE),
     keymaster_param_bool(KM_TAG_NO_AUTH_REQUIRED),
 };
 keymaster_key_param_set_t ec_param_set = {ec_params, sizeof(ec_params) / sizeof(*ec_params)};

 keymaster_key_param_t rsa_params[] = {
     keymaster_param_enum(KM_TAG_ALGORITHM, KM_ALGORITHM_RSA),
     keymaster_param_int(KM_TAG_KEY_SIZE, 1024),
     keymaster_param_long(KM_TAG_RSA_PUBLIC_EXPONENT, 65537),
     keymaster_param_enum(KM_TAG_PURPOSE, KM_PURPOSE_SIGN),
     keymaster_param_enum(KM_TAG_PURPOSE, KM_PURPOSE_VERIFY),
     keymaster_param_enum(KM_TAG_PADDING, KM_PAD_NONE),
     keymaster_param_enum(KM_TAG_DIGEST, KM_DIGEST_NONE),
     keymaster_param_bool(KM_TAG_NO_AUTH_REQUIRED),
 };
 keymaster_key_param_set_t rsa_param_set = {rsa_params, sizeof(rsa_params) / sizeof(*rsa_params)};

 struct EVP_PKEY_Delete {
     void operator()(EVP_PKEY* p) const { EVP_PKEY_free(p); }
 };

 struct EVP_PKEY_CTX_Delete {
     void operator()(EVP_PKEY_CTX* p) { EVP_PKEY_CTX_free(p); }
 };

 static bool do_operation(TrustyKeymasterDevice* device, keymaster_purpose_t purpose,
                          keymaster_key_blob_t* key, keymaster_blob_t* input,
                          keymaster_blob_t* signature, keymaster_blob_t* output) {
     keymaster_key_param_t params[] = {
         keymaster_param_enum(KM_TAG_PADDING, KM_PAD_NONE),
         keymaster_param_enum(KM_TAG_DIGEST, KM_DIGEST_NONE),
     };
     keymaster_key_param_set_t param_set = {params, sizeof(params) / sizeof(*params)};
     keymaster_operation_handle_t op_handle;
     keymaster_error_t error = device->begin(purpose, key, &param_set, nullptr, &op_handle);
     if (error != KM_ERROR_OK) {
         printf("Keymaster begin() failed: %d\n", error);
         return false;
     }
     size_t input_consumed;
     error = device->update(op_handle, nullptr, input, &input_consumed, nullptr, nullptr);
     if (error != KM_ERROR_OK) {
         printf("Keymaster update() failed: %d\n", error);
         return false;
     }
     if (input_consumed != input->data_length) {
         // This should never happen. If it does, it's a bug in the keymaster implementation.
         printf("Keymaster update() did not consume all data.\n");
         device->abort(op_handle);
         return false;
     }
     error = device->finish(op_handle, nullptr, nullptr, signature, nullptr, output);
     if (error != KM_ERROR_OK) {
         printf("Keymaster finish() failed: %d\n", error);
         return false;
     }
     return true;
 }

 static bool test_import_rsa(TrustyKeymasterDevice* device) {
     printf("===================\n");
     printf("= RSA Import Test =\n");
     printf("===================\n\n");

     printf("=== Importing RSA keypair === \n");
     keymaster_key_blob_t key;
     keymaster_blob_t private_key = {rsa_privkey_pk8_der, rsa_privkey_pk8_der_len};
     int error = device->import_key(&rsa_param_set, KM_KEY_FORMAT_PKCS8, &private_key, &key, nullptr);
     if (error != KM_ERROR_OK) {
         printf("Error importing RSA key: %d\n\n", error);
         return false;
     }
     std::unique_ptr<const uint8_t[]> key_deleter(key.key_material);

     printf("=== Signing with imported RSA key ===\n");
     size_t message_len = 1024 / 8;
     std::unique_ptr<uint8_t[]> message(new uint8_t[message_len]);
     memset(message.get(), 'a', message_len);
     keymaster_blob_t input = {message.get(), message_len}, signature;

     if (!do_operation(device, KM_PURPOSE_SIGN, &key, &input, nullptr, &signature)) {
         printf("Error signing data with imported RSA key\n\n");
         return false;
     }
     std::unique_ptr<const uint8_t[]> signature_deleter(signature.data);

     printf("=== Verifying with imported RSA key === \n");
     if (!do_operation(device, KM_PURPOSE_VERIFY, &key, &input, &signature, nullptr)) {
         printf("Error verifying data with imported RSA key\n\n");
         return false;
     }

     printf("\n");
     return true;
 }

 static bool test_rsa(TrustyKeymasterDevice* device) {
     printf("============\n");
     printf("= RSA Test =\n");
     printf("============\n\n");

     printf("=== Generating RSA key pair ===\n");
     keymaster_key_blob_t key;
     int error = device->generate_key(&rsa_param_set, &key, nullptr);
     if (error != KM_ERROR_OK) {
         printf("Error generating RSA key pair: %d\n\n", error);
         return false;
     }
     std::unique_ptr<const uint8_t[]> key_deleter(key.key_material);

     printf("=== Signing with RSA key === \n");
     size_t message_len = 1024 / 8;
     std::unique_ptr<uint8_t[]> message(new uint8_t[message_len]);
     memset(message.get(), 'a', message_len);
     keymaster_blob_t input = {message.get(), message_len}, signature;

     if (!do_operation(device, KM_PURPOSE_SIGN, &key, &input, nullptr, &signature)) {
         printf("Error signing data with RSA key\n\n");
         return false;
     }
     std::unique_ptr<const uint8_t[]> signature_deleter(signature.data);

     printf("=== Verifying with RSA key === \n");
     if (!do_operation(device, KM_PURPOSE_VERIFY, &key, &input, &signature, nullptr)) {
         printf("Error verifying data with RSA key\n\n");
         return false;
     }

     printf("=== Exporting RSA public key ===\n");
     keymaster_blob_t exported_key;
     error = device->export_key(KM_KEY_FORMAT_X509, &key, nullptr, nullptr, &exported_key);
     if (error != KM_ERROR_OK) {
         printf("Error exporting RSA public key: %d\n\n", error);
         return false;
     }

     printf("=== Verifying with exported key ===\n");
     const uint8_t* tmp = exported_key.data;
     std::unique_ptr<EVP_PKEY, EVP_PKEY_Delete> pkey(
         d2i_PUBKEY(NULL, &tmp, exported_key.data_length));
     std::unique_ptr<EVP_PKEY_CTX, EVP_PKEY_CTX_Delete> ctx(EVP_PKEY_CTX_new(pkey.get(), NULL));
     if (EVP_PKEY_verify_init(ctx.get()) != 1) {
         printf("Error initializing openss EVP context\n\n");
         return false;
     }
     if (EVP_PKEY_type(pkey->type) != EVP_PKEY_RSA) {
         printf("Exported key was the wrong type?!?\n\n");
         return false;
     }

     EVP_PKEY_CTX_set_rsa_padding(ctx.get(), RSA_NO_PADDING);
     if (EVP_PKEY_verify(ctx.get(), signature.data, signature.data_length, message.get(),
                         message_len) != 1) {
         printf("Verification with exported pubkey failed.\n\n");
         return false;
     } else {
         printf("Verification succeeded\n");
     }

     printf("\n");
     return true;
 }

 static bool test_import_ecdsa(TrustyKeymasterDevice* device) {
     printf("=====================\n");
     printf("= ECDSA Import Test =\n");
     printf("=====================\n\n");

     printf("=== Importing ECDSA keypair === \n");
     keymaster_key_blob_t key;
     keymaster_blob_t private_key = {ec_privkey_pk8_der, ec_privkey_pk8_der_len};
     int error = device->import_key(&ec_param_set, KM_KEY_FORMAT_PKCS8, &private_key, &key, nullptr);
     if (error != KM_ERROR_OK) {
         printf("Error importing ECDSA key: %d\n\n", error);
         return false;
     }
     std::unique_ptr<const uint8_t[]> deleter(key.key_material);

     printf("=== Signing with imported ECDSA key ===\n");
     size_t message_len = 30 /* arbitrary */;
     std::unique_ptr<uint8_t[]> message(new uint8_t[message_len]);
     memset(message.get(), 'a', message_len);
     keymaster_blob_t input = {message.get(), message_len}, signature;

     if (!do_operation(device, KM_PURPOSE_SIGN, &key, &input, nullptr, &signature)) {
         printf("Error signing data with imported ECDSA key\n\n");
         return false;
     }
     std::unique_ptr<const uint8_t[]> signature_deleter(signature.data);

     printf("=== Verifying with imported ECDSA key === \n");
     if (!do_operation(device, KM_PURPOSE_VERIFY, &key, &input, &signature, nullptr)) {
         printf("Error verifying data with imported ECDSA key\n\n");
         return false;
     }

     printf("\n");
     return true;
 }

 static bool test_ecdsa(TrustyKeymasterDevice* device) {
     printf("==============\n");
     printf("= ECDSA Test =\n");
     printf("==============\n\n");

     printf("=== Generating ECDSA key pair ===\n");
     keymaster_key_blob_t key;
     int error = device->generate_key(&ec_param_set, &key, nullptr);
     if (error != KM_ERROR_OK) {
         printf("Error generating ECDSA key pair: %d\n\n", error);
         return false;
     }
     std::unique_ptr<const uint8_t[]> key_deleter(key.key_material);

     printf("=== Signing with ECDSA key === \n");
     size_t message_len = 30 /* arbitrary */;
     std::unique_ptr<uint8_t[]> message(new uint8_t[message_len]);
     memset(message.get(), 'a', message_len);
     keymaster_blob_t input = {message.get(), message_len}, signature;

     if (!do_operation(device, KM_PURPOSE_SIGN, &key, &input, nullptr, &signature)) {
         printf("Error signing data with ECDSA key\n\n");
         return false;
     }
     std::unique_ptr<const uint8_t[]> signature_deleter(signature.data);

     printf("=== Verifying with ECDSA key === \n");
     if (!do_operation(device, KM_PURPOSE_VERIFY, &key, &input, &signature, nullptr)) {
         printf("Error verifying data with ECDSA key\n\n");
         return false;
     }

     printf("=== Exporting ECDSA public key ===\n");
     keymaster_blob_t exported_key;
     error = device->export_key(KM_KEY_FORMAT_X509, &key, nullptr, nullptr, &exported_key);
     if (error != KM_ERROR_OK) {
         printf("Error exporting ECDSA public key: %d\n\n", error);
         return false;
     }

     printf("=== Verifying with exported key ===\n");
     const uint8_t* tmp = exported_key.data;
     std::unique_ptr<EVP_PKEY, EVP_PKEY_Delete> pkey(
         d2i_PUBKEY(NULL, &tmp, exported_key.data_length));
     std::unique_ptr<EVP_PKEY_CTX, EVP_PKEY_CTX_Delete> ctx(EVP_PKEY_CTX_new(pkey.get(), NULL));
     if (EVP_PKEY_verify_init(ctx.get()) != 1) {
         printf("Error initializing openssl EVP context\n\n");
         return false;
     }
     if (EVP_PKEY_type(pkey->type) != EVP_PKEY_EC) {
         printf("Exported key was the wrong type?!?\n\n");
         return false;
     }

     if (EVP_PKEY_verify(ctx.get(), signature.data, signature.data_length, message.get(),
                         message_len) != 1) {
         printf("Verification with exported pubkey failed.\n\n");
         return false;
     } else {
         printf("Verification succeeded\n");
     }

     printf("\n");
     return true;
 }

 int main(void) {
     TrustyKeymasterDevice device(NULL);
     keymaster::ConfigureDevice(reinterpret_cast<keymaster2_device_t*>(&device));
     if (device.session_error() != KM_ERROR_OK) {
         printf("Failed to initialize Trusty session: %d\n", device.session_error());
         return 1;
     }
     printf("Trusty session initialized\n");

     bool success = true;
     success &= test_rsa(&device);
     success &= test_import_rsa(&device);
     success &= test_ecdsa(&device);
     success &= test_import_ecdsa(&device);

     if (success) {
         printf("\nTESTS PASSED!\n");
     } else {
         printf("\n!!!!TESTS FAILED!!!\n");
     }

     return success ? 0 : 1;
 }
	/*
	* Copyright 2014 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.
	*/

	#include <keymaster/keymaster_configuration.h>

	#include <stdio.h>
	#include <memory>

	#include <openssl/evp.h>
	#include <openssl/x509.h>

	#include "trusty_keymaster_device.h"

	using keymaster::TrustyKeymasterDevice;

	unsigned char rsa_privkey_pk8_der[] = {
	0x30, 0x82, 0x02, 0x75, 0x02, 0x01, 0x00, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7,
	0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x04, 0x82, 0x02, 0x5f, 0x30, 0x82, 0x02, 0x5b, 0x02, 0x01,
	0x00, 0x02, 0x81, 0x81, 0x00, 0xc6, 0x09, 0x54, 0x09, 0x04, 0x7d, 0x86, 0x34, 0x81, 0x2d, 0x5a,
	0x21, 0x81, 0x76, 0xe4, 0x5c, 0x41, 0xd6, 0x0a, 0x75, 0xb1, 0x39, 0x01, 0xf2, 0x34, 0x22, 0x6c,
	0xff, 0xe7, 0x76, 0x52, 0x1c, 0x5a, 0x77, 0xb9, 0xe3, 0x89, 0x41, 0x7b, 0x71, 0xc0, 0xb6, 0xa4,
	0x4d, 0x13, 0xaf, 0xe4, 0xe4, 0xa2, 0x80, 0x5d, 0x46, 0xc9, 0xda, 0x29, 0x35, 0xad, 0xb1, 0xff,
	0x0c, 0x1f, 0x24, 0xea, 0x06, 0xe6, 0x2b, 0x20, 0xd7, 0x76, 0x43, 0x0a, 0x4d, 0x43, 0x51, 0x57,
	0x23, 0x3c, 0x6f, 0x91, 0x67, 0x83, 0xc3, 0x0e, 0x31, 0x0f, 0xcb, 0xd8, 0x9b, 0x85, 0xc2, 0xd5,
	0x67, 0x71, 0x16, 0x97, 0x85, 0xac, 0x12, 0xbc, 0xa2, 0x44, 0xab, 0xda, 0x72, 0xbf, 0xb1, 0x9f,
	0xc4, 0x4d, 0x27, 0xc8, 0x1e, 0x1d, 0x92, 0xde, 0x28, 0x4f, 0x40, 0x61, 0xed, 0xfd, 0x99, 0x28,
	0x07, 0x45, 0xea, 0x6d, 0x25, 0x02, 0x03, 0x01, 0x00, 0x01, 0x02, 0x81, 0x80, 0x1b, 0xe0, 0xf0,
	0x4d, 0x9c, 0xae, 0x37, 0x18, 0x69, 0x1f, 0x03, 0x53, 0x38, 0x30, 0x8e, 0x91, 0x56, 0x4b, 0x55,
	0x89, 0x9f, 0xfb, 0x50, 0x84, 0xd2, 0x46, 0x0e, 0x66, 0x30, 0x25, 0x7e, 0x05, 0xb3, 0xce, 0xab,
	0x02, 0x97, 0x2d, 0xfa, 0xbc, 0xd6, 0xce, 0x5f, 0x6e, 0xe2, 0x58, 0x9e, 0xb6, 0x79, 0x11, 0xed,
	0x0f, 0xac, 0x16, 0xe4, 0x3a, 0x44, 0x4b, 0x8c, 0x86, 0x1e, 0x54, 0x4a, 0x05, 0x93, 0x36, 0x57,
	0x72, 0xf8, 0xba, 0xf6, 0xb2, 0x2f, 0xc9, 0xe3, 0xc5, 0xf1, 0x02, 0x4b, 0x06, 0x3a, 0xc0, 0x80,
	0xa7, 0xb2, 0x23, 0x4c, 0xf8, 0xae, 0xe8, 0xf6, 0xc4, 0x7b, 0xbf, 0x4f, 0xd3, 0xac, 0xe7, 0x24,
	0x02, 0x90, 0xbe, 0xf1, 0x6c, 0x0b, 0x3f, 0x7f, 0x3c, 0xdd, 0x64, 0xce, 0x3a, 0xb5, 0x91, 0x2c,
	0xf6, 0xe3, 0x2f, 0x39, 0xab, 0x18, 0x83, 0x58, 0xaf, 0xcc, 0xcd, 0x80, 0x81, 0x02, 0x41, 0x00,
	0xe4, 0xb4, 0x9e, 0xf5, 0x0f, 0x76, 0x5d, 0x3b, 0x24, 0xdd, 0xe0, 0x1a, 0xce, 0xaa, 0xf1, 0x30,
	0xf2, 0xc7, 0x66, 0x70, 0xa9, 0x1a, 0x61, 0xae, 0x08, 0xaf, 0x49, 0x7b, 0x4a, 0x82, 0xbe, 0x6d,
	0xee, 0x8f, 0xcd, 0xd5, 0xe3, 0xf7, 0xba, 0x1c, 0xfb, 0x1f, 0x0c, 0x92, 0x6b, 0x88, 0xf8, 0x8c,
	0x92, 0xbf, 0xab, 0x13, 0x7f, 0xba, 0x22, 0x85, 0x22, 0x7b, 0x83, 0xc3, 0x42, 0xff, 0x7c, 0x55,
	0x02, 0x41, 0x00, 0xdd, 0xab, 0xb5, 0x83, 0x9c, 0x4c, 0x7f, 0x6b, 0xf3, 0xd4, 0x18, 0x32, 0x31,
	0xf0, 0x05, 0xb3, 0x1a, 0xa5, 0x8a, 0xff, 0xdd, 0xa5, 0xc7, 0x9e, 0x4c, 0xce, 0x21, 0x7f, 0x6b,
	0xc9, 0x30, 0xdb, 0xe5, 0x63, 0xd4, 0x80, 0x70, 0x6c, 0x24, 0xe9, 0xeb, 0xfc, 0xab, 0x28, 0xa6,
	0xcd, 0xef, 0xd3, 0x24, 0xb7, 0x7e, 0x1b, 0xf7, 0x25, 0x1b, 0x70, 0x90, 0x92, 0xc2, 0x4f, 0xf5,
	0x01, 0xfd, 0x91, 0x02, 0x40, 0x23, 0xd4, 0x34, 0x0e, 0xda, 0x34, 0x45, 0xd8, 0xcd, 0x26, 0xc1,
	0x44, 0x11, 0xda, 0x6f, 0xdc, 0xa6, 0x3c, 0x1c, 0xcd, 0x4b, 0x80, 0xa9, 0x8a, 0xd5, 0x2b, 0x78,
	0xcc, 0x8a, 0xd8, 0xbe, 0xb2, 0x84, 0x2c, 0x1d, 0x28, 0x04, 0x05, 0xbc, 0x2f, 0x6c, 0x1b, 0xea,
	0x21, 0x4a, 0x1d, 0x74, 0x2a, 0xb9, 0x96, 0xb3, 0x5b, 0x63, 0xa8, 0x2a, 0x5e, 0x47, 0x0f, 0xa8,
	0x8d, 0xbf, 0x82, 0x3c, 0xdd, 0x02, 0x40, 0x1b, 0x7b, 0x57, 0x44, 0x9a, 0xd3, 0x0d, 0x15, 0x18,
	0x24, 0x9a, 0x5f, 0x56, 0xbb, 0x98, 0x29, 0x4d, 0x4b, 0x6a, 0xc1, 0x2f, 0xfc, 0x86, 0x94, 0x04,
	0x97, 0xa5, 0xa5, 0x83, 0x7a, 0x6c, 0xf9, 0x46, 0x26, 0x2b, 0x49, 0x45, 0x26, 0xd3, 0x28, 0xc1,
	0x1e, 0x11, 0x26, 0x38, 0x0f, 0xde, 0x04, 0xc2, 0x4f, 0x91, 0x6d, 0xec, 0x25, 0x08, 0x92, 0xdb,
	0x09, 0xa6, 0xd7, 0x7c, 0xdb, 0xa3, 0x51, 0x02, 0x40, 0x77, 0x62, 0xcd, 0x8f, 0x4d, 0x05, 0x0d,
	0xa5, 0x6b, 0xd5, 0x91, 0xad, 0xb5, 0x15, 0xd2, 0x4d, 0x7c, 0xcd, 0x32, 0xcc, 0xa0, 0xd0, 0x5f,
	0x86, 0x6d, 0x58, 0x35, 0x14, 0xbd, 0x73, 0x24, 0xd5, 0xf3, 0x36, 0x45, 0xe8, 0xed, 0x8b, 0x4a,
	0x1c, 0xb3, 0xcc, 0x4a, 0x1d, 0x67, 0x98, 0x73, 0x99, 0xf2, 0xa0, 0x9f, 0x5b, 0x3f, 0xb6, 0x8c,
	0x88, 0xd5, 0xe5, 0xd9, 0x0a, 0xc3, 0x34, 0x92, 0xd6};
	unsigned int rsa_privkey_pk8_der_len = 633;

	unsigned char dsa_privkey_pk8_der[] = {
	0x30, 0x82, 0x01, 0x4b, 0x02, 0x01, 0x00, 0x30, 0x82, 0x01, 0x2b, 0x06, 0x07, 0x2a, 0x86, 0x48,
	0xce, 0x38, 0x04, 0x01, 0x30, 0x82, 0x01, 0x1e, 0x02, 0x81, 0x81, 0x00, 0xa3, 0xf3, 0xe9, 0xb6,
	0x7e, 0x7d, 0x88, 0xf6, 0xb7, 0xe5, 0xf5, 0x1f, 0x3b, 0xee, 0xac, 0xd7, 0xad, 0xbc, 0xc9, 0xd1,
	0x5a, 0xf8, 0x88, 0xc4, 0xef, 0x6e, 0x3d, 0x74, 0x19, 0x74, 0xe7, 0xd8, 0xe0, 0x26, 0x44, 0x19,
	0x86, 0xaf, 0x19, 0xdb, 0x05, 0xe9, 0x3b, 0x8b, 0x58, 0x58, 0xde, 0xe5, 0x4f, 0x48, 0x15, 0x01,
	0xea, 0xe6, 0x83, 0x52, 0xd7, 0xc1, 0x21, 0xdf, 0xb9, 0xb8, 0x07, 0x66, 0x50, 0xfb, 0x3a, 0x0c,
	0xb3, 0x85, 0xee, 0xbb, 0x04, 0x5f, 0xc2, 0x6d, 0x6d, 0x95, 0xfa, 0x11, 0x93, 0x1e, 0x59, 0x5b,
	0xb1, 0x45, 0x8d, 0xe0, 0x3d, 0x73, 0xaa, 0xf2, 0x41, 0x14, 0x51, 0x07, 0x72, 0x3d, 0xa2, 0xf7,
	0x58, 0xcd, 0x11, 0xa1, 0x32, 0xcf, 0xda, 0x42, 0xb7, 0xcc, 0x32, 0x80, 0xdb, 0x87, 0x82, 0xec,
	0x42, 0xdb, 0x5a, 0x55, 0x24, 0x24, 0xa2, 0xd1, 0x55, 0x29, 0xad, 0xeb, 0x02, 0x15, 0x00, 0xeb,
	0xea, 0x17, 0xd2, 0x09, 0xb3, 0xd7, 0x21, 0x9a, 0x21, 0x07, 0x82, 0x8f, 0xab, 0xfe, 0x88, 0x71,
	0x68, 0xf7, 0xe3, 0x02, 0x81, 0x80, 0x19, 0x1c, 0x71, 0xfd, 0xe0, 0x03, 0x0c, 0x43, 0xd9, 0x0b,
	0xf6, 0xcd, 0xd6, 0xa9, 0x70, 0xe7, 0x37, 0x86, 0x3a, 0x78, 0xe9, 0xa7, 0x47, 0xa7, 0x47, 0x06,
	0x88, 0xb1, 0xaf, 0xd7, 0xf3, 0xf1, 0xa1, 0xd7, 0x00, 0x61, 0x28, 0x88, 0x31, 0x48, 0x60, 0xd8,
	0x11, 0xef, 0xa5, 0x24, 0x1a, 0x81, 0xc4, 0x2a, 0xe2, 0xea, 0x0e, 0x36, 0xd2, 0xd2, 0x05, 0x84,
	0x37, 0xcf, 0x32, 0x7d, 0x09, 0xe6, 0x0f, 0x8b, 0x0c, 0xc8, 0xc2, 0xa4, 0xb1, 0xdc, 0x80, 0xca,
	0x68, 0xdf, 0xaf, 0xd2, 0x90, 0xc0, 0x37, 0x58, 0x54, 0x36, 0x8f, 0x49, 0xb8, 0x62, 0x75, 0x8b,
	0x48, 0x47, 0xc0, 0xbe, 0xf7, 0x9a, 0x92, 0xa6, 0x68, 0x05, 0xda, 0x9d, 0xaf, 0x72, 0x9a, 0x67,
	0xb3, 0xb4, 0x14, 0x03, 0xae, 0x4f, 0x4c, 0x76, 0xb9, 0xd8, 0x64, 0x0a, 0xba, 0x3b, 0xa8, 0x00,
	0x60, 0x4d, 0xae, 0x81, 0xc3, 0xc5, 0x04, 0x17, 0x02, 0x15, 0x00, 0x81, 0x9d, 0xfd, 0x53, 0x0c,
	0xc1, 0x8f, 0xbe, 0x8b, 0xea, 0x00, 0x26, 0x19, 0x29, 0x33, 0x91, 0x84, 0xbe, 0xad, 0x81};
	unsigned int dsa_privkey_pk8_der_len = 335;

	unsigned char ec_privkey_pk8_der[] = {
	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, 0x73, 0x7c, 0x2e, 0xcd, 0x7b, 0x8d, 0x19, 0x40, 0xbf, 0x29, 0x30, 0xaa,
	0x9b, 0x4e, 0xd3, 0xff, 0x94, 0x1e, 0xed, 0x09, 0x36, 0x6b, 0xc0, 0x32, 0x99, 0x98, 0x64, 0x81,
	0xf3, 0xa4, 0xd8, 0x59, 0xa1, 0x44, 0x03, 0x42, 0x00, 0x04, 0xbf, 0x85, 0xd7, 0x72, 0x0d, 0x07,
	0xc2, 0x54, 0x61, 0x68, 0x3b, 0xc6, 0x48, 0xb4, 0x77, 0x8a, 0x9a, 0x14, 0xdd, 0x8a, 0x02, 0x4e,
	0x3b, 0xdd, 0x8c, 0x7d, 0xdd, 0x9a, 0xb2, 0xb5, 0x28, 0xbb, 0xc7, 0xaa, 0x1b, 0x51, 0xf1, 0x4e,
	0xbb, 0xbb, 0x0b, 0xd0, 0xce, 0x21, 0xbc, 0xc4, 0x1c, 0x6e, 0xb0, 0x00, 0x83, 0xcf, 0x33, 0x76,
	0xd1, 0x1f, 0xd4, 0x49, 0x49, 0xe0, 0xb2, 0x18, 0x3b, 0xfe};
	unsigned int ec_privkey_pk8_der_len = 138;

	keymaster_key_param_t ec_params[] = {
	keymaster_param_enum(KM_TAG_ALGORITHM, KM_ALGORITHM_EC),
	keymaster_param_long(KM_TAG_EC_CURVE, KM_EC_CURVE_P_521),
	keymaster_param_enum(KM_TAG_PURPOSE, KM_PURPOSE_SIGN),
	keymaster_param_enum(KM_TAG_PURPOSE, KM_PURPOSE_VERIFY),
	keymaster_param_enum(KM_TAG_DIGEST, KM_DIGEST_NONE),
	keymaster_param_bool(KM_TAG_NO_AUTH_REQUIRED),
	};
	keymaster_key_param_set_t ec_param_set = {ec_params, sizeof(ec_params) / sizeof(*ec_params)};

	keymaster_key_param_t rsa_params[] = {
	keymaster_param_enum(KM_TAG_ALGORITHM, KM_ALGORITHM_RSA),
	keymaster_param_int(KM_TAG_KEY_SIZE, 1024),
	keymaster_param_long(KM_TAG_RSA_PUBLIC_EXPONENT, 65537),
	keymaster_param_enum(KM_TAG_PURPOSE, KM_PURPOSE_SIGN),
	keymaster_param_enum(KM_TAG_PURPOSE, KM_PURPOSE_VERIFY),
	keymaster_param_enum(KM_TAG_PADDING, KM_PAD_NONE),
	keymaster_param_enum(KM_TAG_DIGEST, KM_DIGEST_NONE),
	keymaster_param_bool(KM_TAG_NO_AUTH_REQUIRED),
	};
	keymaster_key_param_set_t rsa_param_set = {rsa_params, sizeof(rsa_params) / sizeof(*rsa_params)};

	struct EVP_PKEY_Delete {
	void operator()(EVP_PKEY* p) const { EVP_PKEY_free(p); }
	};

	struct EVP_PKEY_CTX_Delete {
	void operator()(EVP_PKEY_CTX* p) { EVP_PKEY_CTX_free(p); }
	};

	static bool do_operation(TrustyKeymasterDevice* device, keymaster_purpose_t purpose,
	keymaster_key_blob_t* key, keymaster_blob_t* input,
	keymaster_blob_t* signature, keymaster_blob_t* output) {
	keymaster_key_param_t params[] = {
	keymaster_param_enum(KM_TAG_PADDING, KM_PAD_NONE),
	keymaster_param_enum(KM_TAG_DIGEST, KM_DIGEST_NONE),
	};
	keymaster_key_param_set_t param_set = {params, sizeof(params) / sizeof(*params)};
	keymaster_operation_handle_t op_handle;
	keymaster_error_t error = device->begin(purpose, key, &param_set, nullptr, &op_handle);
	if (error != KM_ERROR_OK) {
	printf("Keymaster begin() failed: %d\n", error);
	return false;
	}
	size_t input_consumed;
	error = device->update(op_handle, nullptr, input, &input_consumed, nullptr, nullptr);
	if (error != KM_ERROR_OK) {
	printf("Keymaster update() failed: %d\n", error);
	return false;
	}
	if (input_consumed != input->data_length) {
	// This should never happen. If it does, it's a bug in the keymaster implementation.
	printf("Keymaster update() did not consume all data.\n");
	device->abort(op_handle);
	return false;
	}
	error = device->finish(op_handle, nullptr, nullptr, signature, nullptr, output);
	if (error != KM_ERROR_OK) {
	printf("Keymaster finish() failed: %d\n", error);
	return false;
	}
	return true;
	}

	static bool test_import_rsa(TrustyKeymasterDevice* device) {
	printf("===================\n");
	printf("= RSA Import Test =\n");
	printf("===================\n\n");

	printf("=== Importing RSA keypair === \n");
	keymaster_key_blob_t key;
	keymaster_blob_t private_key = {rsa_privkey_pk8_der, rsa_privkey_pk8_der_len};
	int error = device->import_key(&rsa_param_set, KM_KEY_FORMAT_PKCS8, &private_key, &key, nullptr);
	if (error != KM_ERROR_OK) {
	printf("Error importing RSA key: %d\n\n", error);
	return false;
	}
	std::unique_ptr<const uint8_t[]> key_deleter(key.key_material);

	printf("=== Signing with imported RSA key ===\n");
	size_t message_len = 1024 / 8;
	std::unique_ptr<uint8_t[]> message(new uint8_t[message_len]);
	memset(message.get(), 'a', message_len);
	keymaster_blob_t input = {message.get(), message_len}, signature;

	if (!do_operation(device, KM_PURPOSE_SIGN, &key, &input, nullptr, &signature)) {
	printf("Error signing data with imported RSA key\n\n");
	return false;
	}
	std::unique_ptr<const uint8_t[]> signature_deleter(signature.data);

	printf("=== Verifying with imported RSA key === \n");
	if (!do_operation(device, KM_PURPOSE_VERIFY, &key, &input, &signature, nullptr)) {
	printf("Error verifying data with imported RSA key\n\n");
	return false;
	}

	printf("\n");
	return true;
	}

	static bool test_rsa(TrustyKeymasterDevice* device) {
	printf("============\n");
	printf("= RSA Test =\n");
	printf("============\n\n");

	printf("=== Generating RSA key pair ===\n");
	keymaster_key_blob_t key;
	int error = device->generate_key(&rsa_param_set, &key, nullptr);
	if (error != KM_ERROR_OK) {
	printf("Error generating RSA key pair: %d\n\n", error);
	return false;
	}
	std::unique_ptr<const uint8_t[]> key_deleter(key.key_material);

	printf("=== Signing with RSA key === \n");
	size_t message_len = 1024 / 8;
	std::unique_ptr<uint8_t[]> message(new uint8_t[message_len]);
	memset(message.get(), 'a', message_len);
	keymaster_blob_t input = {message.get(), message_len}, signature;

	if (!do_operation(device, KM_PURPOSE_SIGN, &key, &input, nullptr, &signature)) {
	printf("Error signing data with RSA key\n\n");
	return false;
	}
	std::unique_ptr<const uint8_t[]> signature_deleter(signature.data);

	printf("=== Verifying with RSA key === \n");
	if (!do_operation(device, KM_PURPOSE_VERIFY, &key, &input, &signature, nullptr)) {
	printf("Error verifying data with RSA key\n\n");
	return false;
	}

	printf("=== Exporting RSA public key ===\n");
	keymaster_blob_t exported_key;
	error = device->export_key(KM_KEY_FORMAT_X509, &key, nullptr, nullptr, &exported_key);
	if (error != KM_ERROR_OK) {
	printf("Error exporting RSA public key: %d\n\n", error);
	return false;
	}

	printf("=== Verifying with exported key ===\n");
	const uint8_t* tmp = exported_key.data;
	std::unique_ptr<EVP_PKEY, EVP_PKEY_Delete> pkey(
	d2i_PUBKEY(NULL, &tmp, exported_key.data_length));
	std::unique_ptr<EVP_PKEY_CTX, EVP_PKEY_CTX_Delete> ctx(EVP_PKEY_CTX_new(pkey.get(), NULL));
	if (EVP_PKEY_verify_init(ctx.get()) != 1) {
	printf("Error initializing openss EVP context\n\n");
	return false;
	}
	if (EVP_PKEY_type(pkey->type) != EVP_PKEY_RSA) {
	printf("Exported key was the wrong type?!?\n\n");
	return false;
	}

	EVP_PKEY_CTX_set_rsa_padding(ctx.get(), RSA_NO_PADDING);
	if (EVP_PKEY_verify(ctx.get(), signature.data, signature.data_length, message.get(),
	message_len) != 1) {
	printf("Verification with exported pubkey failed.\n\n");
	return false;
	} else {
	printf("Verification succeeded\n");
	}

	printf("\n");
	return true;
	}

	static bool test_import_ecdsa(TrustyKeymasterDevice* device) {
	printf("=====================\n");
	printf("= ECDSA Import Test =\n");
	printf("=====================\n\n");

	printf("=== Importing ECDSA keypair === \n");
	keymaster_key_blob_t key;
	keymaster_blob_t private_key = {ec_privkey_pk8_der, ec_privkey_pk8_der_len};
	int error = device->import_key(&ec_param_set, KM_KEY_FORMAT_PKCS8, &private_key, &key, nullptr);
	if (error != KM_ERROR_OK) {
	printf("Error importing ECDSA key: %d\n\n", error);
	return false;
	}
	std::unique_ptr<const uint8_t[]> deleter(key.key_material);

	printf("=== Signing with imported ECDSA key ===\n");
	size_t message_len = 30 /* arbitrary */;
	std::unique_ptr<uint8_t[]> message(new uint8_t[message_len]);
	memset(message.get(), 'a', message_len);
	keymaster_blob_t input = {message.get(), message_len}, signature;

	if (!do_operation(device, KM_PURPOSE_SIGN, &key, &input, nullptr, &signature)) {
	printf("Error signing data with imported ECDSA key\n\n");
	return false;
	}
	std::unique_ptr<const uint8_t[]> signature_deleter(signature.data);

	printf("=== Verifying with imported ECDSA key === \n");
	if (!do_operation(device, KM_PURPOSE_VERIFY, &key, &input, &signature, nullptr)) {
	printf("Error verifying data with imported ECDSA key\n\n");
	return false;
	}

	printf("\n");
	return true;
	}

	static bool test_ecdsa(TrustyKeymasterDevice* device) {
	printf("==============\n");
	printf("= ECDSA Test =\n");
	printf("==============\n\n");

	printf("=== Generating ECDSA key pair ===\n");
	keymaster_key_blob_t key;
	int error = device->generate_key(&ec_param_set, &key, nullptr);
	if (error != KM_ERROR_OK) {
	printf("Error generating ECDSA key pair: %d\n\n", error);
	return false;
	}
	std::unique_ptr<const uint8_t[]> key_deleter(key.key_material);

	printf("=== Signing with ECDSA key === \n");
	size_t message_len = 30 /* arbitrary */;
	std::unique_ptr<uint8_t[]> message(new uint8_t[message_len]);
	memset(message.get(), 'a', message_len);
	keymaster_blob_t input = {message.get(), message_len}, signature;

	if (!do_operation(device, KM_PURPOSE_SIGN, &key, &input, nullptr, &signature)) {
	printf("Error signing data with ECDSA key\n\n");
	return false;
	}
	std::unique_ptr<const uint8_t[]> signature_deleter(signature.data);

	printf("=== Verifying with ECDSA key === \n");
	if (!do_operation(device, KM_PURPOSE_VERIFY, &key, &input, &signature, nullptr)) {
	printf("Error verifying data with ECDSA key\n\n");
	return false;
	}

	printf("=== Exporting ECDSA public key ===\n");
	keymaster_blob_t exported_key;
	error = device->export_key(KM_KEY_FORMAT_X509, &key, nullptr, nullptr, &exported_key);
	if (error != KM_ERROR_OK) {
	printf("Error exporting ECDSA public key: %d\n\n", error);
	return false;
	}

	printf("=== Verifying with exported key ===\n");
	const uint8_t* tmp = exported_key.data;
	std::unique_ptr<EVP_PKEY, EVP_PKEY_Delete> pkey(
	d2i_PUBKEY(NULL, &tmp, exported_key.data_length));
	std::unique_ptr<EVP_PKEY_CTX, EVP_PKEY_CTX_Delete> ctx(EVP_PKEY_CTX_new(pkey.get(), NULL));
	if (EVP_PKEY_verify_init(ctx.get()) != 1) {
	printf("Error initializing openssl EVP context\n\n");
	return false;
	}
	if (EVP_PKEY_type(pkey->type) != EVP_PKEY_EC) {
	printf("Exported key was the wrong type?!?\n\n");
	return false;
	}

	if (EVP_PKEY_verify(ctx.get(), signature.data, signature.data_length, message.get(),
	message_len) != 1) {
	printf("Verification with exported pubkey failed.\n\n");
	return false;
	} else {
	printf("Verification succeeded\n");
	}

	printf("\n");
	return true;
	}

	int main(void) {
	TrustyKeymasterDevice device(NULL);
	keymaster::ConfigureDevice(reinterpret_cast<keymaster2_device_t*>(&device));
	if (device.session_error() != KM_ERROR_OK) {
	printf("Failed to initialize Trusty session: %d\n", device.session_error());
	return 1;
	}
	printf("Trusty session initialized\n");

	bool success = true;
	success &= test_rsa(&device);
	success &= test_import_rsa(&device);
	success &= test_ecdsa(&device);
	success &= test_import_ecdsa(&device);

	if (success) {
	printf("\nTESTS PASSED!\n");
	} else {
	printf("\n!!!!TESTS FAILED!!!\n");
	}

	return success ? 0 : 1;
	}