| Manuel Pégourié-Gonnard | a6916fa | 2014-05-02 15:17:29 +0200 | [diff] [blame] | 1 | /* BEGIN_HEADER */ |
| 2 | #include <polarssl/ccm.h> |
| 3 | /* END_HEADER */ |
| 4 | |
| 5 | /* BEGIN_DEPENDENCIES |
| 6 | * depends_on:POLARSSL_CCM_C |
| 7 | * END_DEPENDENCIES |
| 8 | */ |
| 9 | |
| 10 | /* BEGIN_CASE depends_on:POLARSSL_SELF_TEST:POLARSSL_AES_C */ |
| 11 | void ccm_self_test( ) |
| 12 | { |
| 13 | TEST_ASSERT( ccm_self_test( 0 ) == 0 ); |
| 14 | } |
| 15 | /* END_CASE */ |
| Manuel Pégourié-Gonnard | 9fe0d13 | 2014-05-06 12:12:45 +0200 | [diff] [blame] | 16 | |
| 17 | /* BEGIN_CASE */ |
| 18 | void ccm_init( int cipher_id, int key_size, int result ) |
| 19 | { |
| 20 | ccm_context ctx; |
| 21 | unsigned char key[32]; |
| 22 | int ret; |
| 23 | |
| 24 | memset( key, 0x2A, sizeof( key ) ); |
| 25 | TEST_ASSERT( (unsigned) key_size <= 8 * sizeof( key ) ); |
| 26 | |
| 27 | ret = ccm_init( &ctx, cipher_id, key, key_size ); |
| 28 | TEST_ASSERT( ret == result ); |
| 29 | |
| 30 | ccm_free( &ctx ); |
| 31 | } |
| 32 | /* END_CASE */ |
| Manuel Pégourié-Gonnard | 637eb3d | 2014-05-06 12:13:09 +0200 | [diff] [blame] | 33 | |
| 34 | /* BEGIN_CASE */ |
| 35 | void ccm_encrypt_and_tag( int cipher_id, |
| 36 | char *key_hex, char *msg_hex, |
| 37 | char *iv_hex, char *add_hex, |
| 38 | char *result_hex ) |
| 39 | { |
| 40 | unsigned char key[128]; |
| 41 | unsigned char msg[128]; |
| 42 | unsigned char iv[128]; |
| 43 | unsigned char add[128]; |
| 44 | unsigned char output[144]; |
| 45 | unsigned char result[144]; |
| 46 | ccm_context ctx; |
| 47 | size_t key_len, msg_len, iv_len, add_len, tag_len, result_len; |
| 48 | |
| 49 | memset( key, 0x00, sizeof( key ) ); |
| 50 | memset( msg, 0x00, sizeof( msg ) ); |
| 51 | memset( iv, 0x00, sizeof( iv ) ); |
| 52 | memset( add, 0x00, sizeof( add ) ); |
| 53 | memset( output, 0x00, sizeof( output ) ); |
| 54 | memset( result, 0x00, sizeof( result ) ); |
| 55 | |
| 56 | key_len = unhexify( key, key_hex ); |
| 57 | msg_len = unhexify( msg, msg_hex ); |
| 58 | iv_len = unhexify( iv, iv_hex ); |
| 59 | add_len = unhexify( add, add_hex ); |
| 60 | result_len = unhexify( result, result_hex ); |
| 61 | tag_len = result_len - msg_len; |
| 62 | |
| 63 | TEST_ASSERT( ccm_init( &ctx, cipher_id, key, key_len * 8 ) == 0 ); |
| 64 | |
| Manuel Pégourié-Gonnard | 0023233 | 2014-05-06 15:56:07 +0200 | [diff] [blame^] | 65 | TEST_ASSERT( ccm_encrypt_and_tag( &ctx, msg_len, iv, iv_len, add, add_len, |
| Manuel Pégourié-Gonnard | 637eb3d | 2014-05-06 12:13:09 +0200 | [diff] [blame] | 66 | msg, output, output + msg_len, tag_len ) == 0 ); |
| 67 | |
| 68 | TEST_ASSERT( memcmp( output, result, result_len ) == 0 ); |
| 69 | |
| 70 | /* Check we didn't write past the end */ |
| 71 | TEST_ASSERT( output[result_len] == 0 && output[result_len + 1] == 0 ); |
| 72 | |
| 73 | ccm_free( &ctx ); |
| 74 | } |
| 75 | /* END_CASE */ |