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Diffstat (limited to 'lib/mbedtls-2.27.0/programs/psa/crypto_examples.c')
| -rw-r--r-- | lib/mbedtls-2.27.0/programs/psa/crypto_examples.c | 331 |
1 files changed, 331 insertions, 0 deletions
diff --git a/lib/mbedtls-2.27.0/programs/psa/crypto_examples.c b/lib/mbedtls-2.27.0/programs/psa/crypto_examples.c new file mode 100644 index 0000000..935d657 --- /dev/null +++ b/lib/mbedtls-2.27.0/programs/psa/crypto_examples.c @@ -0,0 +1,331 @@ +/* + * 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 "psa/crypto.h" +#include <string.h> +#include <stdio.h> +#include <stdlib.h> + +#define ASSERT( predicate ) \ + do \ + { \ + if( ! ( predicate ) ) \ + { \ + printf( "\tassertion failed at %s:%d - '%s'\r\n", \ + __FILE__, __LINE__, #predicate); \ + goto exit; \ + } \ + } while ( 0 ) + +#define ASSERT_STATUS( actual, expected ) \ + do \ + { \ + if( ( actual ) != ( expected ) ) \ + { \ + printf( "\tassertion failed at %s:%d - " \ + "actual:%d expected:%d\r\n", __FILE__, __LINE__, \ + (psa_status_t) actual, (psa_status_t) expected ); \ + goto exit; \ + } \ + } while ( 0 ) + +#if !defined(MBEDTLS_PSA_CRYPTO_C) || !defined(MBEDTLS_AES_C) || \ + !defined(MBEDTLS_CIPHER_MODE_CBC) || !defined(MBEDTLS_CIPHER_MODE_CTR) || \ + !defined(MBEDTLS_CIPHER_MODE_WITH_PADDING) || \ + defined(MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER) +int main( void ) +{ + printf( "MBEDTLS_PSA_CRYPTO_C and/or MBEDTLS_AES_C and/or " + "MBEDTLS_CIPHER_MODE_CBC and/or MBEDTLS_CIPHER_MODE_CTR " + "and/or MBEDTLS_CIPHER_MODE_WITH_PADDING " + "not defined and/or MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER" + " defined.\r\n" ); + return( 0 ); +} +#else + +static psa_status_t cipher_operation( psa_cipher_operation_t *operation, + const uint8_t * input, + size_t input_size, + size_t part_size, + uint8_t * output, + size_t output_size, + size_t *output_len ) +{ + psa_status_t status; + size_t bytes_to_write = 0, bytes_written = 0, len = 0; + + *output_len = 0; + while( bytes_written != input_size ) + { + bytes_to_write = ( input_size - bytes_written > part_size ? + part_size : + input_size - bytes_written ); + + status = psa_cipher_update( operation, input + bytes_written, + bytes_to_write, output + *output_len, + output_size - *output_len, &len ); + ASSERT_STATUS( status, PSA_SUCCESS ); + + bytes_written += bytes_to_write; + *output_len += len; + } + + status = psa_cipher_finish( operation, output + *output_len, + output_size - *output_len, &len ); + ASSERT_STATUS( status, PSA_SUCCESS ); + *output_len += len; + +exit: + return( status ); +} + +static psa_status_t cipher_encrypt( psa_key_id_t key, + psa_algorithm_t alg, + uint8_t * iv, + size_t iv_size, + const uint8_t * input, + size_t input_size, + size_t part_size, + uint8_t * output, + size_t output_size, + size_t *output_len ) +{ + psa_status_t status; + psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT; + size_t iv_len = 0; + + memset( &operation, 0, sizeof( operation ) ); + status = psa_cipher_encrypt_setup( &operation, key, alg ); + ASSERT_STATUS( status, PSA_SUCCESS ); + + status = psa_cipher_generate_iv( &operation, iv, iv_size, &iv_len ); + ASSERT_STATUS( status, PSA_SUCCESS ); + + status = cipher_operation( &operation, input, input_size, part_size, + output, output_size, output_len ); + ASSERT_STATUS( status, PSA_SUCCESS ); + +exit: + psa_cipher_abort( &operation ); + return( status ); +} + +static psa_status_t cipher_decrypt( psa_key_id_t key, + psa_algorithm_t alg, + const uint8_t * iv, + size_t iv_size, + const uint8_t * input, + size_t input_size, + size_t part_size, + uint8_t * output, + size_t output_size, + size_t *output_len ) +{ + psa_status_t status; + psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT; + + memset( &operation, 0, sizeof( operation ) ); + status = psa_cipher_decrypt_setup( &operation, key, alg ); + ASSERT_STATUS( status, PSA_SUCCESS ); + + status = psa_cipher_set_iv( &operation, iv, iv_size ); + ASSERT_STATUS( status, PSA_SUCCESS ); + + status = cipher_operation( &operation, input, input_size, part_size, + output, output_size, output_len ); + ASSERT_STATUS( status, PSA_SUCCESS ); + +exit: + psa_cipher_abort( &operation ); + return( status ); +} + +static psa_status_t +cipher_example_encrypt_decrypt_aes_cbc_nopad_1_block( void ) +{ + enum { + block_size = PSA_BLOCK_CIPHER_BLOCK_LENGTH( PSA_KEY_TYPE_AES ), + key_bits = 256, + part_size = block_size, + }; + const psa_algorithm_t alg = PSA_ALG_CBC_NO_PADDING; + + psa_status_t status; + psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT; + psa_key_id_t key = 0; + size_t output_len = 0; + uint8_t iv[block_size]; + uint8_t input[block_size]; + uint8_t encrypt[block_size]; + uint8_t decrypt[block_size]; + + status = psa_generate_random( input, sizeof( input ) ); + ASSERT_STATUS( status, PSA_SUCCESS ); + + psa_set_key_usage_flags( &attributes, + PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT ); + psa_set_key_algorithm( &attributes, alg ); + psa_set_key_type( &attributes, PSA_KEY_TYPE_AES ); + psa_set_key_bits( &attributes, key_bits ); + + status = psa_generate_key( &attributes, &key ); + ASSERT_STATUS( status, PSA_SUCCESS ); + + status = cipher_encrypt( key, alg, iv, sizeof( iv ), + input, sizeof( input ), part_size, + encrypt, sizeof( encrypt ), &output_len ); + ASSERT_STATUS( status, PSA_SUCCESS ); + + status = cipher_decrypt( key, alg, iv, sizeof( iv ), + encrypt, output_len, part_size, + decrypt, sizeof( decrypt ), &output_len ); + ASSERT_STATUS( status, PSA_SUCCESS ); + + status = memcmp( input, decrypt, sizeof( input ) ); + ASSERT_STATUS( status, PSA_SUCCESS ); + +exit: + psa_destroy_key( key ); + return( status ); +} + +static psa_status_t cipher_example_encrypt_decrypt_aes_cbc_pkcs7_multi( void ) +{ + enum { + block_size = PSA_BLOCK_CIPHER_BLOCK_LENGTH( PSA_KEY_TYPE_AES ), + key_bits = 256, + input_size = 100, + part_size = 10, + }; + + const psa_algorithm_t alg = PSA_ALG_CBC_PKCS7; + + psa_status_t status; + psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT; + psa_key_id_t key = 0; + size_t output_len = 0; + uint8_t iv[block_size], input[input_size], + encrypt[input_size + block_size], decrypt[input_size + block_size]; + + status = psa_generate_random( input, sizeof( input ) ); + ASSERT_STATUS( status, PSA_SUCCESS ); + + psa_set_key_usage_flags( &attributes, + PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT ); + psa_set_key_algorithm( &attributes, alg ); + psa_set_key_type( &attributes, PSA_KEY_TYPE_AES ); + psa_set_key_bits( &attributes, key_bits ); + + status = psa_generate_key( &attributes, &key ); + ASSERT_STATUS( status, PSA_SUCCESS ); + + status = cipher_encrypt( key, alg, iv, sizeof( iv ), + input, sizeof( input ), part_size, + encrypt, sizeof( encrypt ), &output_len ); + ASSERT_STATUS( status, PSA_SUCCESS ); + + status = cipher_decrypt( key, alg, iv, sizeof( iv ), + encrypt, output_len, part_size, + decrypt, sizeof( decrypt ), &output_len ); + ASSERT_STATUS( status, PSA_SUCCESS ); + + status = memcmp( input, decrypt, sizeof( input ) ); + ASSERT_STATUS( status, PSA_SUCCESS ); + +exit: + psa_destroy_key( key ); + return( status ); +} + +static psa_status_t cipher_example_encrypt_decrypt_aes_ctr_multi( void ) +{ + enum { + block_size = PSA_BLOCK_CIPHER_BLOCK_LENGTH( PSA_KEY_TYPE_AES ), + key_bits = 256, + input_size = 100, + part_size = 10, + }; + const psa_algorithm_t alg = PSA_ALG_CTR; + + psa_status_t status; + psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT; + psa_key_id_t key = 0; + size_t output_len = 0; + uint8_t iv[block_size], input[input_size], encrypt[input_size], + decrypt[input_size]; + + status = psa_generate_random( input, sizeof( input ) ); + ASSERT_STATUS( status, PSA_SUCCESS ); + + psa_set_key_usage_flags( &attributes, + PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT ); + psa_set_key_algorithm( &attributes, alg ); + psa_set_key_type( &attributes, PSA_KEY_TYPE_AES ); + psa_set_key_bits( &attributes, key_bits ); + + status = psa_generate_key( &attributes, &key ); + ASSERT_STATUS( status, PSA_SUCCESS ); + + status = cipher_encrypt( key, alg, iv, sizeof( iv ), + input, sizeof( input ), part_size, + encrypt, sizeof( encrypt ), &output_len ); + ASSERT_STATUS( status, PSA_SUCCESS ); + + status = cipher_decrypt( key, alg, iv, sizeof( iv ), + encrypt, output_len, part_size, + decrypt, sizeof( decrypt ), &output_len ); + ASSERT_STATUS( status, PSA_SUCCESS ); + + status = memcmp( input, decrypt, sizeof( input ) ); + ASSERT_STATUS( status, PSA_SUCCESS ); + +exit: + psa_destroy_key( key ); + return( status ); +} + +static void cipher_examples( void ) +{ + psa_status_t status; + + printf( "cipher encrypt/decrypt AES CBC no padding:\r\n" ); + status = cipher_example_encrypt_decrypt_aes_cbc_nopad_1_block( ); + if( status == PSA_SUCCESS ) + printf( "\tsuccess!\r\n" ); + + printf( "cipher encrypt/decrypt AES CBC PKCS7 multipart:\r\n" ); + status = cipher_example_encrypt_decrypt_aes_cbc_pkcs7_multi( ); + if( status == PSA_SUCCESS ) + printf( "\tsuccess!\r\n" ); + + printf( "cipher encrypt/decrypt AES CTR multipart:\r\n" ); + status = cipher_example_encrypt_decrypt_aes_ctr_multi( ); + if( status == PSA_SUCCESS ) + printf( "\tsuccess!\r\n" ); +} + +int main( void ) +{ + ASSERT( psa_crypto_init( ) == PSA_SUCCESS ); + cipher_examples( ); +exit: + mbedtls_psa_crypto_free( ); + return( 0 ); +} +#endif /* MBEDTLS_PSA_CRYPTO_C && MBEDTLS_AES_C && MBEDTLS_CIPHER_MODE_CBC && + MBEDTLS_CIPHER_MODE_CTR && MBEDTLS_CIPHER_MODE_WITH_PADDING */ |