2014-05-02 15:17:29 +02:00
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/* BEGIN_HEADER */
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#include <polarssl/ccm.h>
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/* END_HEADER */
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/* BEGIN_DEPENDENCIES
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* depends_on:POLARSSL_CCM_C
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* END_DEPENDENCIES
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*/
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/* BEGIN_CASE depends_on:POLARSSL_SELF_TEST:POLARSSL_AES_C */
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void ccm_self_test( )
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{
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TEST_ASSERT( ccm_self_test( 0 ) == 0 );
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}
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/* END_CASE */
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2014-05-06 12:12:45 +02:00
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/* BEGIN_CASE */
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void ccm_init( int cipher_id, int key_size, int result )
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{
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ccm_context ctx;
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unsigned char key[32];
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int ret;
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memset( key, 0x2A, sizeof( key ) );
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TEST_ASSERT( (unsigned) key_size <= 8 * sizeof( key ) );
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ret = ccm_init( &ctx, cipher_id, key, key_size );
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TEST_ASSERT( ret == result );
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ccm_free( &ctx );
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}
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/* END_CASE */
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2014-05-06 12:13:09 +02:00
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/* BEGIN_CASE */
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void ccm_encrypt_and_tag( int cipher_id,
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char *key_hex, char *msg_hex,
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char *iv_hex, char *add_hex,
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char *result_hex )
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{
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unsigned char key[128];
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unsigned char msg[128];
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unsigned char iv[128];
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unsigned char add[128];
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unsigned char output[144];
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unsigned char result[144];
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ccm_context ctx;
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size_t key_len, msg_len, iv_len, add_len, tag_len, result_len;
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memset( key, 0x00, sizeof( key ) );
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memset( msg, 0x00, sizeof( msg ) );
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memset( iv, 0x00, sizeof( iv ) );
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memset( add, 0x00, sizeof( add ) );
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memset( output, 0x00, sizeof( output ) );
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memset( result, 0x00, sizeof( result ) );
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key_len = unhexify( key, key_hex );
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msg_len = unhexify( msg, msg_hex );
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iv_len = unhexify( iv, iv_hex );
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add_len = unhexify( add, add_hex );
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result_len = unhexify( result, result_hex );
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tag_len = result_len - msg_len;
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TEST_ASSERT( ccm_init( &ctx, cipher_id, key, key_len * 8 ) == 0 );
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TEST_ASSERT( ccm_crypt_and_tag( &ctx, msg_len, iv, iv_len, add, add_len,
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msg, output, output + msg_len, tag_len ) == 0 );
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TEST_ASSERT( memcmp( output, result, result_len ) == 0 );
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/* Check we didn't write past the end */
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TEST_ASSERT( output[result_len] == 0 && output[result_len + 1] == 0 );
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ccm_free( &ctx );
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}
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/* END_CASE */
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