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mbedtls/tests/suites/test_suite_gcm.function
Ronald Cron d239794deb tests: Add mbedtls_test_ prefix to hexcmp() 
Add mbedtls_test_ prefix to hexcmp() test helper
function.

Command to change *.function files:
find . -name "*.function" -exec awk -i inplace \
    '{sub(/hexcmp\>/,"mbedtls_test_&")}1' {} \;

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
2020-07-30 15:41:32 +02:00

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/* BEGIN_HEADER */
#include "mbedtls/gcm.h"
/* END_HEADER */
/* BEGIN_DEPENDENCIES
* depends_on:MBEDTLS_GCM_C
* END_DEPENDENCIES
*/
/* BEGIN_CASE */
void gcm_bad_parameters( int cipher_id, int direction,
data_t *key_str, data_t *src_str,
data_t *iv_str, data_t *add_str,
int tag_len_bits, int gcm_result )
{
unsigned char output[128];
unsigned char tag_output[16];
mbedtls_gcm_context ctx;
size_t tag_len = tag_len_bits / 8;
mbedtls_gcm_init( &ctx );
memset( output, 0x00, sizeof( output ) );
memset( tag_output, 0x00, sizeof( tag_output ) );
TEST_ASSERT( mbedtls_gcm_setkey( &ctx, cipher_id, key_str->x, key_str->len * 8 ) == 0 );
TEST_ASSERT( mbedtls_gcm_crypt_and_tag( &ctx, direction, src_str->len, iv_str->x, iv_str->len,
add_str->x, add_str->len, src_str->x, output, tag_len, tag_output ) == gcm_result );
exit:
mbedtls_gcm_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE */
void gcm_encrypt_and_tag( int cipher_id, data_t * key_str,
data_t * src_str, data_t * iv_str,
data_t * add_str, data_t * hex_dst_string,
int tag_len_bits, data_t * hex_tag_string,
int init_result )
{
unsigned char output[128];
unsigned char tag_output[16];
mbedtls_gcm_context ctx;
size_t tag_len = tag_len_bits / 8;
mbedtls_gcm_init( &ctx );
memset(output, 0x00, 128);
memset(tag_output, 0x00, 16);
TEST_ASSERT( mbedtls_gcm_setkey( &ctx, cipher_id, key_str->x, key_str->len * 8 ) == init_result );
if( init_result == 0 )
{
TEST_ASSERT( mbedtls_gcm_crypt_and_tag( &ctx, MBEDTLS_GCM_ENCRYPT, src_str->len, iv_str->x, iv_str->len, add_str->x, add_str->len, src_str->x, output, tag_len, tag_output ) == 0 );
TEST_ASSERT( mbedtls_test_hexcmp( output, hex_dst_string->x, src_str->len, hex_dst_string->len ) == 0 );
TEST_ASSERT( mbedtls_test_hexcmp( tag_output, hex_tag_string->x, tag_len, hex_tag_string->len ) == 0 );
}
exit:
mbedtls_gcm_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE */
void gcm_decrypt_and_verify( int cipher_id, data_t * key_str,
data_t * src_str, data_t * iv_str,
data_t * add_str, int tag_len_bits,
data_t * tag_str, char * result,
data_t * pt_result, int init_result )
{
unsigned char output[128];
mbedtls_gcm_context ctx;
int ret;
size_t tag_len = tag_len_bits / 8;
mbedtls_gcm_init( &ctx );
memset(output, 0x00, 128);
TEST_ASSERT( mbedtls_gcm_setkey( &ctx, cipher_id, key_str->x, key_str->len * 8 ) == init_result );
if( init_result == 0 )
{
ret = mbedtls_gcm_auth_decrypt( &ctx, src_str->len, iv_str->x, iv_str->len, add_str->x, add_str->len, tag_str->x, tag_len, src_str->x, output );
if( strcmp( "FAIL", result ) == 0 )
{
TEST_ASSERT( ret == MBEDTLS_ERR_GCM_AUTH_FAILED );
}
else
{
TEST_ASSERT( ret == 0 );
TEST_ASSERT( mbedtls_test_hexcmp( output, pt_result->x, src_str->len, pt_result->len ) == 0 );
}
}
exit:
mbedtls_gcm_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
void gcm_invalid_param( )
{
mbedtls_gcm_context ctx;
unsigned char valid_buffer[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06 };
mbedtls_cipher_id_t valid_cipher = MBEDTLS_CIPHER_ID_AES;
int valid_mode = MBEDTLS_GCM_ENCRYPT;
int valid_len = sizeof(valid_buffer);
int valid_bitlen = 128, invalid_bitlen = 1;
mbedtls_gcm_init( &ctx );
/* mbedtls_gcm_init() */
TEST_INVALID_PARAM( mbedtls_gcm_init( NULL ) );
/* mbedtls_gcm_setkey */
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_GCM_BAD_INPUT,
mbedtls_gcm_setkey( NULL, valid_cipher, valid_buffer, valid_bitlen ) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_GCM_BAD_INPUT,
mbedtls_gcm_setkey( &ctx, valid_cipher, NULL, valid_bitlen ) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_GCM_BAD_INPUT,
mbedtls_gcm_setkey( &ctx, valid_cipher, valid_buffer, invalid_bitlen ) );
/* mbedtls_gcm_crypt_and_tag() */
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_GCM_BAD_INPUT,
mbedtls_gcm_crypt_and_tag( NULL, valid_mode, valid_len,
valid_buffer, valid_len,
valid_buffer, valid_len,
valid_buffer, valid_buffer,
valid_len, valid_buffer ) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_GCM_BAD_INPUT,
mbedtls_gcm_crypt_and_tag( &ctx, valid_mode, valid_len,
NULL, valid_len,
valid_buffer, valid_len,
valid_buffer, valid_buffer,
valid_len, valid_buffer ) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_GCM_BAD_INPUT,
mbedtls_gcm_crypt_and_tag( &ctx, valid_mode, valid_len,
valid_buffer, valid_len,
NULL, valid_len,
valid_buffer, valid_buffer,
valid_len, valid_buffer ) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_GCM_BAD_INPUT,
mbedtls_gcm_crypt_and_tag( &ctx, valid_mode, valid_len,
valid_buffer, valid_len,
valid_buffer, valid_len,
NULL, valid_buffer,
valid_len, valid_buffer ) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_GCM_BAD_INPUT,
mbedtls_gcm_crypt_and_tag( &ctx, valid_mode, valid_len,
valid_buffer, valid_len,
valid_buffer, valid_len,
valid_buffer, NULL,
valid_len, valid_buffer ) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_GCM_BAD_INPUT,
mbedtls_gcm_crypt_and_tag( &ctx, valid_mode, valid_len,
valid_buffer, valid_len,
valid_buffer, valid_len,
valid_buffer, valid_buffer,
valid_len, NULL ) );
/* mbedtls_gcm_auth_decrypt() */
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_GCM_BAD_INPUT,
mbedtls_gcm_auth_decrypt( NULL, valid_len,
valid_buffer, valid_len,
valid_buffer, valid_len,
valid_buffer, valid_len,
valid_buffer, valid_buffer) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_GCM_BAD_INPUT,
mbedtls_gcm_auth_decrypt( &ctx, valid_len,
NULL, valid_len,
valid_buffer, valid_len,
valid_buffer, valid_len,
valid_buffer, valid_buffer) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_GCM_BAD_INPUT,
mbedtls_gcm_auth_decrypt( &ctx, valid_len,
valid_buffer, valid_len,
NULL, valid_len,
valid_buffer, valid_len,
valid_buffer, valid_buffer) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_GCM_BAD_INPUT,
mbedtls_gcm_auth_decrypt( &ctx, valid_len,
valid_buffer, valid_len,
valid_buffer, valid_len,
NULL, valid_len,
valid_buffer, valid_buffer) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_GCM_BAD_INPUT,
mbedtls_gcm_auth_decrypt( &ctx, valid_len,
valid_buffer, valid_len,
valid_buffer, valid_len,
valid_buffer, valid_len,
NULL, valid_buffer) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_GCM_BAD_INPUT,
mbedtls_gcm_auth_decrypt( &ctx, valid_len,
valid_buffer, valid_len,
valid_buffer, valid_len,
valid_buffer, valid_len,
valid_buffer, NULL) );
/* mbedtls_gcm_starts() */
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_GCM_BAD_INPUT,
mbedtls_gcm_starts( NULL, valid_mode,
valid_buffer, valid_len,
valid_buffer, valid_len ) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_GCM_BAD_INPUT,
mbedtls_gcm_starts( &ctx, valid_mode,
NULL, valid_len,
valid_buffer, valid_len ) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_GCM_BAD_INPUT,
mbedtls_gcm_starts( &ctx, valid_mode,
valid_buffer, valid_len,
NULL, valid_len ) );
/* mbedtls_gcm_update() */
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_GCM_BAD_INPUT,
mbedtls_gcm_update( NULL, valid_len,
valid_buffer, valid_buffer ) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_GCM_BAD_INPUT,
mbedtls_gcm_update( &ctx, valid_len,
NULL, valid_buffer ) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_GCM_BAD_INPUT,
mbedtls_gcm_update( &ctx, valid_len,
valid_buffer, NULL ) );
/* mbedtls_gcm_finish() */
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_GCM_BAD_INPUT,
mbedtls_gcm_finish( NULL, valid_buffer, valid_len ) );
TEST_INVALID_PARAM_RET(
MBEDTLS_ERR_GCM_BAD_INPUT,
mbedtls_gcm_finish( &ctx, NULL, valid_len ) );
exit:
mbedtls_gcm_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE */
void gcm_valid_param( )
{
TEST_VALID_PARAM( mbedtls_gcm_free( NULL ) );
exit:
return;
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */
void gcm_selftest( )
{
TEST_ASSERT( mbedtls_gcm_self_test( 1 ) == 0 );
}
/* END_CASE */
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