mbedtls/tests/suites/test_suite_aes.function
2018-12-11 12:28:56 +01:00

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/* BEGIN_HEADER */
#include "mbedtls/aes.h"
/* END_HEADER */
/* BEGIN_DEPENDENCIES
* depends_on:MBEDTLS_AES_C
* END_DEPENDENCIES
*/
/* BEGIN_CASE */
void aes_encrypt_ecb( data_t * key_str, data_t * src_str,
data_t * hex_dst_string, int setkey_result )
{
unsigned char output[100];
mbedtls_aes_context ctx;
memset(output, 0x00, 100);
mbedtls_aes_init( &ctx );
TEST_ASSERT( mbedtls_aes_setkey_enc( &ctx, key_str->x, key_str->len * 8 ) == setkey_result );
if( setkey_result == 0 )
{
TEST_ASSERT( mbedtls_aes_crypt_ecb( &ctx, MBEDTLS_AES_ENCRYPT, src_str->x, output ) == 0 );
TEST_ASSERT( hexcmp( output, hex_dst_string->x, 16, hex_dst_string->len ) == 0 );
}
exit:
mbedtls_aes_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE */
void aes_decrypt_ecb( data_t * key_str, data_t * src_str,
data_t * hex_dst_string, int setkey_result )
{
unsigned char output[100];
mbedtls_aes_context ctx;
memset(output, 0x00, 100);
mbedtls_aes_init( &ctx );
TEST_ASSERT( mbedtls_aes_setkey_dec( &ctx, key_str->x, key_str->len * 8 ) == setkey_result );
if( setkey_result == 0 )
{
TEST_ASSERT( mbedtls_aes_crypt_ecb( &ctx, MBEDTLS_AES_DECRYPT, src_str->x, output ) == 0 );
TEST_ASSERT( hexcmp( output, hex_dst_string->x, 16, hex_dst_string->len ) == 0 );
}
exit:
mbedtls_aes_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_CIPHER_MODE_CBC */
void aes_encrypt_cbc( data_t * key_str, data_t * iv_str,
data_t * src_str, data_t * hex_dst_string,
int cbc_result )
{
unsigned char output[100];
mbedtls_aes_context ctx;
memset(output, 0x00, 100);
mbedtls_aes_init( &ctx );
mbedtls_aes_setkey_enc( &ctx, key_str->x, key_str->len * 8 );
TEST_ASSERT( mbedtls_aes_crypt_cbc( &ctx, MBEDTLS_AES_ENCRYPT, src_str->len, iv_str->x, src_str->x, output ) == cbc_result );
if( cbc_result == 0 )
{
TEST_ASSERT( hexcmp( output, hex_dst_string->x, src_str->len, hex_dst_string->len ) == 0 );
}
exit:
mbedtls_aes_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_CIPHER_MODE_CBC */
void aes_decrypt_cbc( data_t * key_str, data_t * iv_str,
data_t * src_str, data_t * hex_dst_string,
int cbc_result )
{
unsigned char output[100];
mbedtls_aes_context ctx;
memset(output, 0x00, 100);
mbedtls_aes_init( &ctx );
mbedtls_aes_setkey_dec( &ctx, key_str->x, key_str->len * 8 );
TEST_ASSERT( mbedtls_aes_crypt_cbc( &ctx, MBEDTLS_AES_DECRYPT, src_str->len, iv_str->x, src_str->x, output ) == cbc_result );
if( cbc_result == 0)
{
TEST_ASSERT( hexcmp( output, hex_dst_string->x, src_str->len, hex_dst_string->len ) == 0 );
}
exit:
mbedtls_aes_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_CIPHER_MODE_XTS */
void aes_encrypt_xts( char *hex_key_string, char *hex_data_unit_string,
char *hex_src_string, char *hex_dst_string )
{
enum { AES_BLOCK_SIZE = 16 };
unsigned char *data_unit = NULL;
unsigned char *key = NULL;
unsigned char *src = NULL;
unsigned char *dst = NULL;
unsigned char *output = NULL;
mbedtls_aes_xts_context ctx;
size_t key_len, src_len, dst_len, data_unit_len;
mbedtls_aes_xts_init( &ctx );
data_unit = unhexify_alloc( hex_data_unit_string, &data_unit_len );
TEST_ASSERT( data_unit_len == AES_BLOCK_SIZE );
key = unhexify_alloc( hex_key_string, &key_len );
TEST_ASSERT( key_len % 2 == 0 );
src = unhexify_alloc( hex_src_string, &src_len );
dst = unhexify_alloc( hex_dst_string, &dst_len );
TEST_ASSERT( src_len == dst_len );
output = zero_alloc( dst_len );
TEST_ASSERT( mbedtls_aes_xts_setkey_enc( &ctx, key, key_len * 8 ) == 0 );
TEST_ASSERT( mbedtls_aes_crypt_xts( &ctx, MBEDTLS_AES_ENCRYPT, src_len,
data_unit, src, output ) == 0 );
TEST_ASSERT( memcmp( output, dst, dst_len ) == 0 );
exit:
mbedtls_aes_xts_free( &ctx );
mbedtls_free( data_unit );
mbedtls_free( key );
mbedtls_free( src );
mbedtls_free( dst );
mbedtls_free( output );
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_CIPHER_MODE_XTS */
void aes_decrypt_xts( char *hex_key_string, char *hex_data_unit_string,
char *hex_dst_string, char *hex_src_string )
{
enum { AES_BLOCK_SIZE = 16 };
unsigned char *data_unit = NULL;
unsigned char *key = NULL;
unsigned char *src = NULL;
unsigned char *dst = NULL;
unsigned char *output = NULL;
mbedtls_aes_xts_context ctx;
size_t key_len, src_len, dst_len, data_unit_len;
mbedtls_aes_xts_init( &ctx );
data_unit = unhexify_alloc( hex_data_unit_string, &data_unit_len );
TEST_ASSERT( data_unit_len == AES_BLOCK_SIZE );
key = unhexify_alloc( hex_key_string, &key_len );
TEST_ASSERT( key_len % 2 == 0 );
src = unhexify_alloc( hex_src_string, &src_len );
dst = unhexify_alloc( hex_dst_string, &dst_len );
TEST_ASSERT( src_len == dst_len );
output = zero_alloc( dst_len );
TEST_ASSERT( mbedtls_aes_xts_setkey_dec( &ctx, key, key_len * 8 ) == 0 );
TEST_ASSERT( mbedtls_aes_crypt_xts( &ctx, MBEDTLS_AES_DECRYPT, src_len,
data_unit, src, output ) == 0 );
TEST_ASSERT( memcmp( output, dst, dst_len ) == 0 );
exit:
mbedtls_aes_xts_free( &ctx );
mbedtls_free( data_unit );
mbedtls_free( key );
mbedtls_free( src );
mbedtls_free( dst );
mbedtls_free( output );
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_CIPHER_MODE_XTS */
void aes_crypt_xts_size( int size, int retval )
{
mbedtls_aes_xts_context ctx;
const unsigned char *src = NULL;
unsigned char *output = NULL;
unsigned char data_unit[16];
size_t length = size;
mbedtls_aes_xts_init( &ctx );
memset( data_unit, 0x00, sizeof( data_unit ) );
/* Note that this function will most likely crash on failure, as NULL
* parameters will be used. In the passing case, the length check in
* mbedtls_aes_crypt_xts() will prevent any accesses to parameters by
* exiting the function early. */
TEST_ASSERT( mbedtls_aes_crypt_xts( &ctx, MBEDTLS_AES_ENCRYPT, length, data_unit, src, output ) == retval );
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_CIPHER_MODE_XTS */
void aes_crypt_xts_keysize( int size, int retval )
{
mbedtls_aes_xts_context ctx;
const unsigned char *key = NULL;
size_t key_len = size;
mbedtls_aes_xts_init( &ctx );
TEST_ASSERT( mbedtls_aes_xts_setkey_enc( &ctx, key, key_len * 8 ) == retval );
TEST_ASSERT( mbedtls_aes_xts_setkey_dec( &ctx, key, key_len * 8 ) == retval );
exit:
mbedtls_aes_xts_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_CIPHER_MODE_CFB */
void aes_encrypt_cfb128( data_t * key_str, data_t * iv_str,
data_t * src_str, data_t * hex_dst_string )
{
unsigned char output[100];
mbedtls_aes_context ctx;
size_t iv_offset = 0;
memset(output, 0x00, 100);
mbedtls_aes_init( &ctx );
mbedtls_aes_setkey_enc( &ctx, key_str->x, key_str->len * 8 );
TEST_ASSERT( mbedtls_aes_crypt_cfb128( &ctx, MBEDTLS_AES_ENCRYPT, 16, &iv_offset, iv_str->x, src_str->x, output ) == 0 );
TEST_ASSERT( hexcmp( output, hex_dst_string->x, 16, hex_dst_string->len ) == 0 );
exit:
mbedtls_aes_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_CIPHER_MODE_CFB */
void aes_decrypt_cfb128( data_t * key_str, data_t * iv_str,
data_t * src_str, data_t * hex_dst_string )
{
unsigned char output[100];
mbedtls_aes_context ctx;
size_t iv_offset = 0;
memset(output, 0x00, 100);
mbedtls_aes_init( &ctx );
mbedtls_aes_setkey_enc( &ctx, key_str->x, key_str->len * 8 );
TEST_ASSERT( mbedtls_aes_crypt_cfb128( &ctx, MBEDTLS_AES_DECRYPT, 16, &iv_offset, iv_str->x, src_str->x, output ) == 0 );
TEST_ASSERT( hexcmp( output, hex_dst_string->x, 16, hex_dst_string->len ) == 0 );
exit:
mbedtls_aes_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_CIPHER_MODE_CFB */
void aes_encrypt_cfb8( data_t * key_str, data_t * iv_str,
data_t * src_str, data_t * hex_dst_string )
{
unsigned char output[100];
mbedtls_aes_context ctx;
memset(output, 0x00, 100);
mbedtls_aes_init( &ctx );
mbedtls_aes_setkey_enc( &ctx, key_str->x, key_str->len * 8 );
TEST_ASSERT( mbedtls_aes_crypt_cfb8( &ctx, MBEDTLS_AES_ENCRYPT, src_str->len, iv_str->x, src_str->x, output ) == 0 );
TEST_ASSERT( hexcmp( output, hex_dst_string->x, src_str->len, hex_dst_string->len ) == 0 );
exit:
mbedtls_aes_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_CIPHER_MODE_CFB */
void aes_decrypt_cfb8( data_t * key_str, data_t * iv_str,
data_t * src_str, data_t * hex_dst_string )
{
unsigned char output[100];
mbedtls_aes_context ctx;
memset(output, 0x00, 100);
mbedtls_aes_init( &ctx );
mbedtls_aes_setkey_enc( &ctx, key_str->x, key_str->len * 8 );
TEST_ASSERT( mbedtls_aes_crypt_cfb8( &ctx, MBEDTLS_AES_DECRYPT, src_str->len, iv_str->x, src_str->x, output ) == 0 );
TEST_ASSERT( hexcmp( output, hex_dst_string->x, src_str->len, hex_dst_string->len ) == 0 );
exit:
mbedtls_aes_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_CIPHER_MODE_OFB */
void aes_encrypt_ofb( int fragment_size, char *hex_key_string,
char *hex_iv_string, char *hex_src_string,
char *hex_dst_string )
{
unsigned char key_str[32];
unsigned char iv_str[16];
unsigned char src_str[64];
unsigned char dst_str[64];
unsigned char output[32];
mbedtls_aes_context ctx;
size_t iv_offset = 0;
int in_buffer_len;
unsigned char* src_str_next;
int key_len;
memset( key_str, 0x00, sizeof( key_str ) );
memset( iv_str, 0x00, sizeof( iv_str ) );
memset( src_str, 0x00, sizeof( src_str ) );
memset( dst_str, 0x00, sizeof( dst_str ) );
memset( output, 0x00, sizeof( output ) );
mbedtls_aes_init( &ctx );
TEST_ASSERT( strlen( hex_key_string ) <= ( 32 * 2 ) );
TEST_ASSERT( strlen( hex_iv_string ) <= ( 16 * 2 ) );
TEST_ASSERT( strlen( hex_src_string ) <= ( 64 * 2 ) );
TEST_ASSERT( strlen( hex_dst_string ) <= ( 64 * 2 ) );
key_len = unhexify( key_str, hex_key_string );
unhexify( iv_str, hex_iv_string );
in_buffer_len = unhexify( src_str, hex_src_string );
TEST_ASSERT( mbedtls_aes_setkey_enc( &ctx, key_str, key_len * 8 ) == 0 );
src_str_next = src_str;
while( in_buffer_len > 0 )
{
TEST_ASSERT( mbedtls_aes_crypt_ofb( &ctx, fragment_size, &iv_offset,
iv_str, src_str_next, output ) == 0 );
hexify( dst_str, output, fragment_size );
TEST_ASSERT( strncmp( (char *) dst_str, hex_dst_string,
( 2 * fragment_size ) ) == 0 );
in_buffer_len -= fragment_size;
hex_dst_string += ( fragment_size * 2 );
src_str_next += fragment_size;
if( in_buffer_len < fragment_size )
fragment_size = in_buffer_len;
}
exit:
mbedtls_aes_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
void aes_invalid_param( )
{
mbedtls_aes_context dummy_ctx;
const unsigned char key[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06 };
TEST_INVALID_PARAM( mbedtls_aes_init( NULL ) );
TEST_INVALID_PARAM( mbedtls_aes_xts_init( NULL ) );
/* mbedtls_aes_setkey_enc() */
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
mbedtls_aes_setkey_enc( NULL, key, 128 ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
mbedtls_aes_setkey_enc( &dummy_ctx, NULL, 128 ) );
/* mbedtls_aes_setkey_dec() */
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
mbedtls_aes_setkey_dec( NULL, key, 128 ) );
TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
mbedtls_aes_setkey_dec( &dummy_ctx, NULL, 128 ) );
/* These calls accept NULL */
TEST_VALID_PARAM( mbedtls_aes_free( NULL ) );
TEST_VALID_PARAM( mbedtls_aes_xts_free( NULL ) );
exit:
return;
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */
void aes_selftest( )
{
TEST_ASSERT( mbedtls_aes_self_test( 1 ) == 0 );
}
/* END_CASE */