mirror of
https://github.com/yuzu-emu/mbedtls.git
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cbcec21684
Rename existing support macros for output buffer sizes for PSA Crypto API 1.0.0 Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
332 lines
12 KiB
C
332 lines
12 KiB
C
/*
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* Copyright The Mbed TLS Contributors
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "psa/crypto.h"
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#define ASSERT( predicate ) \
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do \
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{ \
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if( ! ( predicate ) ) \
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{ \
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printf( "\tassertion failed at %s:%d - '%s'\r\n", \
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__FILE__, __LINE__, #predicate); \
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goto exit; \
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} \
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} while ( 0 )
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#define ASSERT_STATUS( actual, expected ) \
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do \
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{ \
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if( ( actual ) != ( expected ) ) \
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{ \
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printf( "\tassertion failed at %s:%d - " \
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"actual:%d expected:%d\r\n", __FILE__, __LINE__, \
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(psa_status_t) actual, (psa_status_t) expected ); \
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goto exit; \
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} \
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} while ( 0 )
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#if !defined(MBEDTLS_PSA_CRYPTO_C) || !defined(MBEDTLS_AES_C) || \
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!defined(MBEDTLS_CIPHER_MODE_CBC) || !defined(MBEDTLS_CIPHER_MODE_CTR) || \
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!defined(MBEDTLS_CIPHER_MODE_WITH_PADDING) || \
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defined(MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER)
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int main( void )
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{
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printf( "MBEDTLS_PSA_CRYPTO_C and/or MBEDTLS_AES_C and/or "
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"MBEDTLS_CIPHER_MODE_CBC and/or MBEDTLS_CIPHER_MODE_CTR "
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"and/or MBEDTLS_CIPHER_MODE_WITH_PADDING "
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"not defined and/or MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER"
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" defined.\r\n" );
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return( 0 );
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}
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#else
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static psa_status_t cipher_operation( psa_cipher_operation_t *operation,
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const uint8_t * input,
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size_t input_size,
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size_t part_size,
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uint8_t * output,
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size_t output_size,
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size_t *output_len )
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{
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psa_status_t status;
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size_t bytes_to_write = 0, bytes_written = 0, len = 0;
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*output_len = 0;
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while( bytes_written != input_size )
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{
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bytes_to_write = ( input_size - bytes_written > part_size ?
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part_size :
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input_size - bytes_written );
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status = psa_cipher_update( operation, input + bytes_written,
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bytes_to_write, output + *output_len,
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output_size - *output_len, &len );
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ASSERT_STATUS( status, PSA_SUCCESS );
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bytes_written += bytes_to_write;
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*output_len += len;
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}
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status = psa_cipher_finish( operation, output + *output_len,
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output_size - *output_len, &len );
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ASSERT_STATUS( status, PSA_SUCCESS );
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*output_len += len;
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exit:
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return( status );
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}
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static psa_status_t cipher_encrypt( psa_key_id_t key,
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psa_algorithm_t alg,
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uint8_t * iv,
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size_t iv_size,
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const uint8_t * input,
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size_t input_size,
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size_t part_size,
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uint8_t * output,
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size_t output_size,
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size_t *output_len )
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{
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psa_status_t status;
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psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT;
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size_t iv_len = 0;
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memset( &operation, 0, sizeof( operation ) );
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status = psa_cipher_encrypt_setup( &operation, key, alg );
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ASSERT_STATUS( status, PSA_SUCCESS );
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status = psa_cipher_generate_iv( &operation, iv, iv_size, &iv_len );
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ASSERT_STATUS( status, PSA_SUCCESS );
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status = cipher_operation( &operation, input, input_size, part_size,
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output, output_size, output_len );
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ASSERT_STATUS( status, PSA_SUCCESS );
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exit:
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psa_cipher_abort( &operation );
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return( status );
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}
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static psa_status_t cipher_decrypt( psa_key_id_t key,
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psa_algorithm_t alg,
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const uint8_t * iv,
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size_t iv_size,
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const uint8_t * input,
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size_t input_size,
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size_t part_size,
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uint8_t * output,
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size_t output_size,
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size_t *output_len )
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{
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psa_status_t status;
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psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT;
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memset( &operation, 0, sizeof( operation ) );
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status = psa_cipher_decrypt_setup( &operation, key, alg );
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ASSERT_STATUS( status, PSA_SUCCESS );
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status = psa_cipher_set_iv( &operation, iv, iv_size );
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ASSERT_STATUS( status, PSA_SUCCESS );
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status = cipher_operation( &operation, input, input_size, part_size,
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output, output_size, output_len );
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ASSERT_STATUS( status, PSA_SUCCESS );
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exit:
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psa_cipher_abort( &operation );
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return( status );
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}
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static psa_status_t
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cipher_example_encrypt_decrypt_aes_cbc_nopad_1_block( void )
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{
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enum {
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block_size = PSA_BLOCK_CIPHER_BLOCK_LENGTH( PSA_KEY_TYPE_AES ),
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key_bits = 256,
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part_size = block_size,
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};
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const psa_algorithm_t alg = PSA_ALG_CBC_NO_PADDING;
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psa_status_t status;
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psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
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psa_key_id_t key = 0;
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size_t output_len = 0;
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uint8_t iv[block_size];
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uint8_t input[block_size];
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uint8_t encrypt[block_size];
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uint8_t decrypt[block_size];
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status = psa_generate_random( input, sizeof( input ) );
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ASSERT_STATUS( status, PSA_SUCCESS );
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psa_set_key_usage_flags( &attributes,
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PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT );
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psa_set_key_algorithm( &attributes, alg );
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psa_set_key_type( &attributes, PSA_KEY_TYPE_AES );
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psa_set_key_bits( &attributes, key_bits );
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status = psa_generate_key( &attributes, &key );
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ASSERT_STATUS( status, PSA_SUCCESS );
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status = cipher_encrypt( key, alg, iv, sizeof( iv ),
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input, sizeof( input ), part_size,
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encrypt, sizeof( encrypt ), &output_len );
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ASSERT_STATUS( status, PSA_SUCCESS );
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status = cipher_decrypt( key, alg, iv, sizeof( iv ),
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encrypt, output_len, part_size,
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decrypt, sizeof( decrypt ), &output_len );
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ASSERT_STATUS( status, PSA_SUCCESS );
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status = memcmp( input, decrypt, sizeof( input ) );
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ASSERT_STATUS( status, PSA_SUCCESS );
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exit:
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psa_destroy_key( key );
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return( status );
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}
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static psa_status_t cipher_example_encrypt_decrypt_aes_cbc_pkcs7_multi( void )
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{
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enum {
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block_size = PSA_BLOCK_CIPHER_BLOCK_LENGTH( PSA_KEY_TYPE_AES ),
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key_bits = 256,
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input_size = 100,
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part_size = 10,
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};
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const psa_algorithm_t alg = PSA_ALG_CBC_PKCS7;
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psa_status_t status;
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psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
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psa_key_id_t key = 0;
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size_t output_len = 0;
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uint8_t iv[block_size], input[input_size],
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encrypt[input_size + block_size], decrypt[input_size + block_size];
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status = psa_generate_random( input, sizeof( input ) );
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ASSERT_STATUS( status, PSA_SUCCESS );
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psa_set_key_usage_flags( &attributes,
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PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT );
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psa_set_key_algorithm( &attributes, alg );
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psa_set_key_type( &attributes, PSA_KEY_TYPE_AES );
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psa_set_key_bits( &attributes, key_bits );
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status = psa_generate_key( &attributes, &key );
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ASSERT_STATUS( status, PSA_SUCCESS );
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status = cipher_encrypt( key, alg, iv, sizeof( iv ),
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input, sizeof( input ), part_size,
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encrypt, sizeof( encrypt ), &output_len );
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ASSERT_STATUS( status, PSA_SUCCESS );
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status = cipher_decrypt( key, alg, iv, sizeof( iv ),
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encrypt, output_len, part_size,
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decrypt, sizeof( decrypt ), &output_len );
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ASSERT_STATUS( status, PSA_SUCCESS );
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status = memcmp( input, decrypt, sizeof( input ) );
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ASSERT_STATUS( status, PSA_SUCCESS );
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exit:
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psa_destroy_key( key );
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return( status );
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}
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static psa_status_t cipher_example_encrypt_decrypt_aes_ctr_multi( void )
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{
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enum {
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block_size = PSA_BLOCK_CIPHER_BLOCK_LENGTH( PSA_KEY_TYPE_AES ),
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key_bits = 256,
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input_size = 100,
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part_size = 10,
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};
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const psa_algorithm_t alg = PSA_ALG_CTR;
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psa_status_t status;
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psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
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psa_key_id_t key = 0;
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size_t output_len = 0;
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uint8_t iv[block_size], input[input_size], encrypt[input_size],
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decrypt[input_size];
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status = psa_generate_random( input, sizeof( input ) );
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ASSERT_STATUS( status, PSA_SUCCESS );
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psa_set_key_usage_flags( &attributes,
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PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT );
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psa_set_key_algorithm( &attributes, alg );
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psa_set_key_type( &attributes, PSA_KEY_TYPE_AES );
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psa_set_key_bits( &attributes, key_bits );
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status = psa_generate_key( &attributes, &key );
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ASSERT_STATUS( status, PSA_SUCCESS );
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status = cipher_encrypt( key, alg, iv, sizeof( iv ),
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input, sizeof( input ), part_size,
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encrypt, sizeof( encrypt ), &output_len );
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ASSERT_STATUS( status, PSA_SUCCESS );
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status = cipher_decrypt( key, alg, iv, sizeof( iv ),
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encrypt, output_len, part_size,
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decrypt, sizeof( decrypt ), &output_len );
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ASSERT_STATUS( status, PSA_SUCCESS );
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status = memcmp( input, decrypt, sizeof( input ) );
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ASSERT_STATUS( status, PSA_SUCCESS );
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exit:
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psa_destroy_key( key );
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return( status );
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}
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static void cipher_examples( void )
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{
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psa_status_t status;
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printf( "cipher encrypt/decrypt AES CBC no padding:\r\n" );
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status = cipher_example_encrypt_decrypt_aes_cbc_nopad_1_block( );
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if( status == PSA_SUCCESS )
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printf( "\tsuccess!\r\n" );
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printf( "cipher encrypt/decrypt AES CBC PKCS7 multipart:\r\n" );
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status = cipher_example_encrypt_decrypt_aes_cbc_pkcs7_multi( );
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if( status == PSA_SUCCESS )
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printf( "\tsuccess!\r\n" );
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printf( "cipher encrypt/decrypt AES CTR multipart:\r\n" );
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status = cipher_example_encrypt_decrypt_aes_ctr_multi( );
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if( status == PSA_SUCCESS )
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printf( "\tsuccess!\r\n" );
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}
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int main( void )
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{
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ASSERT( psa_crypto_init( ) == PSA_SUCCESS );
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cipher_examples( );
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exit:
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mbedtls_psa_crypto_free( );
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return( 0 );
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}
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#endif /* MBEDTLS_PSA_CRYPTO_C && MBEDTLS_AES_C && MBEDTLS_CIPHER_MODE_CBC &&
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MBEDTLS_CIPHER_MODE_CTR && MBEDTLS_CIPHER_MODE_WITH_PADDING */
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