tests/src/drivers/test_driver_aead.c

/*
 * Test driver for AEAD entry points.
 */
/*  Copyright The Mbed TLS Contributors
 *  SPDX-License-Identifier: Apache-2.0
 *
 *  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 <test/helpers.h>

#if defined(MBEDTLS_PSA_CRYPTO_DRIVERS) && defined(PSA_CRYPTO_DRIVER_TEST)
#include "psa_crypto_aead.h"
#include "psa_crypto_core.h"

#include "test/drivers/aead.h"

mbedtls_test_driver_aead_hooks_t
    mbedtls_test_driver_aead_hooks = MBEDTLS_TEST_DRIVER_AEAD_INIT;

psa_status_t mbedtls_test_transparent_aead_encrypt(
    const psa_key_attributes_t *attributes,
    const uint8_t *key_buffer, size_t key_buffer_size,
    psa_algorithm_t alg,
    const uint8_t *nonce, size_t nonce_length,
    const uint8_t *additional_data, size_t additional_data_length,
    const uint8_t *plaintext, size_t plaintext_length,
    uint8_t *ciphertext, size_t ciphertext_size, size_t *ciphertext_length )
{
    mbedtls_test_driver_aead_hooks.hits_encrypt++;

    if( mbedtls_test_driver_aead_hooks.forced_status != PSA_SUCCESS )
    {
         mbedtls_test_driver_aead_hooks.driver_status =
             mbedtls_test_driver_aead_hooks.forced_status;
    }
    else
    {
        mbedtls_test_driver_aead_hooks.driver_status =
            mbedtls_psa_aead_encrypt(
                attributes, key_buffer, key_buffer_size,
                alg,
                nonce, nonce_length,
                additional_data, additional_data_length,
                plaintext, plaintext_length,
                ciphertext, ciphertext_size, ciphertext_length );
    }

    return( mbedtls_test_driver_aead_hooks.driver_status );
}

psa_status_t mbedtls_test_transparent_aead_decrypt(
    const psa_key_attributes_t *attributes,
    const uint8_t *key_buffer, size_t key_buffer_size,
    psa_algorithm_t alg,
    const uint8_t *nonce, size_t nonce_length,
    const uint8_t *additional_data, size_t additional_data_length,
    const uint8_t *ciphertext, size_t ciphertext_length,
    uint8_t *plaintext, size_t plaintext_size, size_t *plaintext_length )
{
    mbedtls_test_driver_aead_hooks.hits_decrypt++;

    if( mbedtls_test_driver_aead_hooks.forced_status != PSA_SUCCESS )
    {
         mbedtls_test_driver_aead_hooks.driver_status =
             mbedtls_test_driver_aead_hooks.forced_status;
    }
    else
    {
        mbedtls_test_driver_aead_hooks.driver_status =
            mbedtls_psa_aead_decrypt(
                attributes, key_buffer, key_buffer_size,
                alg,
                nonce, nonce_length,
                additional_data, additional_data_length,
                ciphertext, ciphertext_length,
                plaintext, plaintext_size, plaintext_length );
    }

    return( mbedtls_test_driver_aead_hooks.driver_status );
}

psa_status_t mbedtls_test_transparent_aead_encrypt_setup(
    mbedtls_transparent_test_driver_aead_operation_t *operation,
    const psa_key_attributes_t *attributes,
    const uint8_t *key_buffer, size_t key_buffer_size,
    psa_algorithm_t alg )
{
    mbedtls_test_driver_aead_hooks.hits_encrypt_setup++;

    if( mbedtls_test_driver_aead_hooks.forced_status != PSA_SUCCESS )
    {
         mbedtls_test_driver_aead_hooks.driver_status =
             mbedtls_test_driver_aead_hooks.forced_status;
    }
    else
    {
        mbedtls_test_driver_aead_hooks.driver_status =
            mbedtls_psa_aead_encrypt_setup( operation, attributes, key_buffer,
                                            key_buffer_size, alg );
    }

    return( mbedtls_test_driver_aead_hooks.driver_status );
}

psa_status_t mbedtls_test_transparent_aead_decrypt_setup(
    mbedtls_transparent_test_driver_aead_operation_t *operation,
    const psa_key_attributes_t *attributes,
    const uint8_t *key_buffer, size_t key_buffer_size,
    psa_algorithm_t alg )
{
    mbedtls_test_driver_aead_hooks.hits_decrypt_setup++;

    if( mbedtls_test_driver_aead_hooks.forced_status != PSA_SUCCESS )
    {
         mbedtls_test_driver_aead_hooks.driver_status =
             mbedtls_test_driver_aead_hooks.forced_status;
    }
    else
    {
        mbedtls_test_driver_aead_hooks.driver_status =
            mbedtls_psa_aead_decrypt_setup( operation, attributes, key_buffer,
                                            key_buffer_size, alg );
    }

    return( mbedtls_test_driver_aead_hooks.driver_status );
}

psa_status_t mbedtls_test_transparent_aead_set_nonce(
    mbedtls_transparent_test_driver_aead_operation_t *operation,
    const uint8_t *nonce,
    size_t nonce_length )
{
    mbedtls_test_driver_aead_hooks.hits_set_nonce++;

    if( mbedtls_test_driver_aead_hooks.forced_status != PSA_SUCCESS )
    {
         mbedtls_test_driver_aead_hooks.driver_status =
             mbedtls_test_driver_aead_hooks.forced_status;
    }
    else
    {
        mbedtls_test_driver_aead_hooks.driver_status =
            mbedtls_psa_aead_set_nonce( operation, nonce, nonce_length );
    }

    return( mbedtls_test_driver_aead_hooks.driver_status );
}

psa_status_t mbedtls_test_transparent_aead_set_lengths(
    mbedtls_transparent_test_driver_aead_operation_t *operation,
    size_t ad_length,
    size_t plaintext_length )
{
    mbedtls_test_driver_aead_hooks.hits_set_lengths++;

    if( mbedtls_test_driver_aead_hooks.forced_status != PSA_SUCCESS )
    {
         mbedtls_test_driver_aead_hooks.driver_status =
             mbedtls_test_driver_aead_hooks.forced_status;
    }
    else
    {
       /* No mbedtls_psa_aead_set_lengths, everything is done in PSA Core. */
       mbedtls_test_driver_aead_hooks.driver_status = PSA_SUCCESS;
    }

    return( mbedtls_test_driver_aead_hooks.driver_status );
}

psa_status_t mbedtls_test_transparent_aead_update_ad(
    mbedtls_transparent_test_driver_aead_operation_t *operation,
    const uint8_t *input,
    size_t input_length )
{
    mbedtls_test_driver_aead_hooks.hits_update_ad++;

    if( mbedtls_test_driver_aead_hooks.forced_status != PSA_SUCCESS )
    {
         mbedtls_test_driver_aead_hooks.driver_status =
             mbedtls_test_driver_aead_hooks.forced_status;
    }
    else
    {
        mbedtls_test_driver_aead_hooks.driver_status =
            mbedtls_psa_aead_update_ad( operation, input, input_length );
    }

    return( mbedtls_test_driver_aead_hooks.driver_status );
}

psa_status_t mbedtls_test_transparent_aead_update(
   mbedtls_transparent_test_driver_aead_operation_t *operation,
   const uint8_t *input,
   size_t input_length,
   uint8_t *output,
   size_t output_size,
   size_t *output_length )
{
    mbedtls_test_driver_aead_hooks.hits_update++;

    if( mbedtls_test_driver_aead_hooks.forced_status != PSA_SUCCESS )
    {
         mbedtls_test_driver_aead_hooks.driver_status =
             mbedtls_test_driver_aead_hooks.forced_status;
    }
    else
    {
        mbedtls_test_driver_aead_hooks.driver_status =
            mbedtls_psa_aead_update( operation, input, input_length, output,
                                    output_size, output_length );
    }

    return( mbedtls_test_driver_aead_hooks.driver_status );
}

psa_status_t mbedtls_test_transparent_aead_finish(
   mbedtls_transparent_test_driver_aead_operation_t *operation,
   uint8_t *ciphertext,
   size_t ciphertext_size,
   size_t *ciphertext_length,
   uint8_t *tag,
   size_t tag_size,
   size_t *tag_length )
{
   mbedtls_test_driver_aead_hooks.hits_finish++;

    if( mbedtls_test_driver_aead_hooks.forced_status != PSA_SUCCESS )
    {
         mbedtls_test_driver_aead_hooks.driver_status =
             mbedtls_test_driver_aead_hooks.forced_status;
    }
    else
    {
        mbedtls_test_driver_aead_hooks.driver_status =
            mbedtls_psa_aead_finish( operation, ciphertext, ciphertext_size,
                                     ciphertext_length, tag, tag_size,
                                     tag_length );
    }

    return( mbedtls_test_driver_aead_hooks.driver_status );
}

psa_status_t mbedtls_test_transparent_aead_verify(
   mbedtls_transparent_test_driver_aead_operation_t *operation,
   uint8_t *plaintext,
   size_t plaintext_size,
   size_t *plaintext_length,
   const uint8_t *tag,
   size_t tag_length )
{
   mbedtls_test_driver_aead_hooks.hits_verify++;

    if( mbedtls_test_driver_aead_hooks.forced_status != PSA_SUCCESS )
    {
         mbedtls_test_driver_aead_hooks.driver_status =
             mbedtls_test_driver_aead_hooks.forced_status;
    }
    else
    {
       uint8_t check_tag[PSA_AEAD_TAG_MAX_SIZE];
       size_t check_tag_length;

       mbedtls_test_driver_aead_hooks.driver_status =
          mbedtls_psa_aead_finish( operation,
                                   plaintext,
                                   plaintext_size,
                                   plaintext_length,
                                   check_tag,
                                   sizeof( check_tag ),
                                   &check_tag_length );

       if( mbedtls_test_driver_aead_hooks.driver_status == PSA_SUCCESS )
       {
          if( tag_length != check_tag_length ||
              mbedtls_psa_safer_memcmp( tag, check_tag, tag_length )
              != 0 )
             mbedtls_test_driver_aead_hooks.driver_status =
                                                    PSA_ERROR_INVALID_SIGNATURE;
       }

       mbedtls_platform_zeroize( check_tag, sizeof( check_tag ) );
    }

    return( mbedtls_test_driver_aead_hooks.driver_status );
}

psa_status_t mbedtls_test_transparent_aead_abort(
   mbedtls_transparent_test_driver_aead_operation_t *operation )
{
   mbedtls_test_driver_aead_hooks.hits_abort++;

    if( mbedtls_test_driver_aead_hooks.forced_status != PSA_SUCCESS )
    {
         mbedtls_test_driver_aead_hooks.driver_status =
             mbedtls_test_driver_aead_hooks.forced_status;
    }
    else
    {
        mbedtls_test_driver_aead_hooks.driver_status =
            mbedtls_psa_aead_abort( operation );
    }

    return( mbedtls_test_driver_aead_hooks.driver_status );
}

#endif /* MBEDTLS_PSA_CRYPTO_DRIVERS && PSA_CRYPTO_DRIVER_TEST */