Paul Bakker | 33b43f1 | 2013-08-20 11:48:36 +0200 | [diff] [blame] | 1 | /* BEGIN_HEADER */ |
Manuel Pégourié-Gonnard | 7f80997 | 2015-03-09 17:05:11 +0000 | [diff] [blame] | 2 | #include "mbedtls/gcm.h" |
Paul Bakker | 33b43f1 | 2013-08-20 11:48:36 +0200 | [diff] [blame] | 3 | /* END_HEADER */ |
Paul Bakker | 89e80c9 | 2012-03-20 13:50:09 +0000 | [diff] [blame] | 4 | |
Paul Bakker | 33b43f1 | 2013-08-20 11:48:36 +0200 | [diff] [blame] | 5 | /* BEGIN_DEPENDENCIES |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 6 | * depends_on:MBEDTLS_GCM_C |
Paul Bakker | 33b43f1 | 2013-08-20 11:48:36 +0200 | [diff] [blame] | 7 | * END_DEPENDENCIES |
| 8 | */ |
Paul Bakker | 89e80c9 | 2012-03-20 13:50:09 +0000 | [diff] [blame] | 9 | |
Paul Bakker | 33b43f1 | 2013-08-20 11:48:36 +0200 | [diff] [blame] | 10 | /* BEGIN_CASE */ |
Ron Eldor | 5a21fd6 | 2016-12-16 16:15:56 +0200 | [diff] [blame] | 11 | void gcm_bad_parameters( int cipher_id, int direction, |
| 12 | char *hex_key_string, char *hex_src_string, |
| 13 | char *hex_iv_string, char *hex_add_string, |
| 14 | int tag_len_bits, int gcm_result ) |
| 15 | { |
| 16 | unsigned char key_str[128]; |
| 17 | unsigned char src_str[128]; |
| 18 | unsigned char dst_str[257]; |
| 19 | unsigned char iv_str[128]; |
| 20 | unsigned char add_str[128]; |
| 21 | unsigned char tag_str[128]; |
| 22 | unsigned char output[128]; |
| 23 | unsigned char tag_output[16]; |
| 24 | mbedtls_gcm_context ctx; |
| 25 | unsigned int key_len; |
| 26 | size_t pt_len, iv_len, add_len, tag_len = tag_len_bits / 8; |
| 27 | |
| 28 | mbedtls_gcm_init( &ctx ); |
| 29 | |
| 30 | memset( key_str, 0x00, sizeof( key_str ) ); |
| 31 | memset( src_str, 0x00, sizeof( src_str ) ); |
| 32 | memset( dst_str, 0x00, sizeof( dst_str ) ); |
| 33 | memset( iv_str, 0x00, sizeof( iv_str ) ); |
| 34 | memset( add_str, 0x00, sizeof( add_str ) ); |
| 35 | memset( tag_str, 0x00, sizeof( tag_str ) ); |
| 36 | memset( output, 0x00, sizeof( output ) ); |
| 37 | memset( tag_output, 0x00, sizeof( tag_output ) ); |
Darryl Green | 11999bb | 2018-03-13 15:22:58 +0000 | [diff] [blame] | 38 | |
Ron Eldor | 5a21fd6 | 2016-12-16 16:15:56 +0200 | [diff] [blame] | 39 | key_len = unhexify( key_str, hex_key_string ); |
| 40 | pt_len = unhexify( src_str, hex_src_string ); |
| 41 | iv_len = unhexify( iv_str, hex_iv_string ); |
| 42 | add_len = unhexify( add_str, hex_add_string ); |
| 43 | |
| 44 | TEST_ASSERT( mbedtls_gcm_setkey( &ctx, cipher_id, key_str, key_len * 8 ) == 0 ); |
| 45 | TEST_ASSERT( mbedtls_gcm_crypt_and_tag( &ctx, direction, pt_len, iv_str, iv_len, |
| 46 | add_str, add_len, src_str, output, tag_len, tag_output ) == gcm_result ); |
| 47 | |
| 48 | exit: |
| 49 | mbedtls_gcm_free( &ctx ); |
| 50 | } |
| 51 | /* END_CASE */ |
| 52 | |
| 53 | /* BEGIN_CASE */ |
Azim Khan | d30ca13 | 2017-06-09 04:32:58 +0100 | [diff] [blame^] | 54 | void gcm_encrypt_and_tag( int cipher_id, HexParam_t * key_str, |
| 55 | HexParam_t * src_str, HexParam_t * iv_str, |
| 56 | HexParam_t * add_str, HexParam_t * hex_dst_string, |
| 57 | int tag_len_bits, HexParam_t * hex_tag_string, |
| 58 | int init_result ) |
Paul Bakker | 89e80c9 | 2012-03-20 13:50:09 +0000 | [diff] [blame] | 59 | { |
Paul Bakker | 89e80c9 | 2012-03-20 13:50:09 +0000 | [diff] [blame] | 60 | unsigned char output[128]; |
| 61 | unsigned char tag_output[16]; |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 62 | mbedtls_gcm_context ctx; |
Azim Khan | f1aaec9 | 2017-05-30 14:23:15 +0100 | [diff] [blame] | 63 | size_t tag_len = tag_len_bits / 8; |
Paul Bakker | 89e80c9 | 2012-03-20 13:50:09 +0000 | [diff] [blame] | 64 | |
Manuel Pégourié-Gonnard | c34e8dd | 2015-04-28 21:42:17 +0200 | [diff] [blame] | 65 | mbedtls_gcm_init( &ctx ); |
| 66 | |
Paul Bakker | 89e80c9 | 2012-03-20 13:50:09 +0000 | [diff] [blame] | 67 | memset(output, 0x00, 128); |
| 68 | memset(tag_output, 0x00, 16); |
| 69 | |
Paul Bakker | 89e80c9 | 2012-03-20 13:50:09 +0000 | [diff] [blame] | 70 | |
Azim Khan | d30ca13 | 2017-06-09 04:32:58 +0100 | [diff] [blame^] | 71 | TEST_ASSERT( mbedtls_gcm_setkey( &ctx, cipher_id, key_str->x, key_str->len * 8 ) == init_result ); |
Paul Bakker | 33b43f1 | 2013-08-20 11:48:36 +0200 | [diff] [blame] | 72 | if( init_result == 0 ) |
Paul Bakker | 89e80c9 | 2012-03-20 13:50:09 +0000 | [diff] [blame] | 73 | { |
Azim Khan | d30ca13 | 2017-06-09 04:32:58 +0100 | [diff] [blame^] | 74 | 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 ); |
Paul Bakker | 89e80c9 | 2012-03-20 13:50:09 +0000 | [diff] [blame] | 75 | |
Azim Khan | d30ca13 | 2017-06-09 04:32:58 +0100 | [diff] [blame^] | 76 | TEST_ASSERT( hexcmp( output, hex_dst_string->x, src_str->len, hex_dst_string->len ) == 0 ); |
| 77 | TEST_ASSERT( hexcmp( tag_output, hex_tag_string->x, tag_len, hex_tag_string->len ) == 0 ); |
Paul Bakker | 89e80c9 | 2012-03-20 13:50:09 +0000 | [diff] [blame] | 78 | } |
Manuel Pégourié-Gonnard | 4fe9200 | 2013-09-13 13:45:58 +0200 | [diff] [blame] | 79 | |
Paul Bakker | bd51b26 | 2014-07-10 15:26:12 +0200 | [diff] [blame] | 80 | exit: |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 81 | mbedtls_gcm_free( &ctx ); |
Paul Bakker | 89e80c9 | 2012-03-20 13:50:09 +0000 | [diff] [blame] | 82 | } |
Paul Bakker | 33b43f1 | 2013-08-20 11:48:36 +0200 | [diff] [blame] | 83 | /* END_CASE */ |
Paul Bakker | 89e80c9 | 2012-03-20 13:50:09 +0000 | [diff] [blame] | 84 | |
Paul Bakker | 33b43f1 | 2013-08-20 11:48:36 +0200 | [diff] [blame] | 85 | /* BEGIN_CASE */ |
Azim Khan | d30ca13 | 2017-06-09 04:32:58 +0100 | [diff] [blame^] | 86 | void gcm_decrypt_and_verify( int cipher_id, HexParam_t * key_str, |
| 87 | HexParam_t * src_str, HexParam_t * iv_str, |
| 88 | HexParam_t * add_str, int tag_len_bits, |
| 89 | HexParam_t * tag_str, char * result, |
| 90 | HexParam_t * pt_result, int init_result ) |
Paul Bakker | 89e80c9 | 2012-03-20 13:50:09 +0000 | [diff] [blame] | 91 | { |
Paul Bakker | 89e80c9 | 2012-03-20 13:50:09 +0000 | [diff] [blame] | 92 | unsigned char output[128]; |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 93 | mbedtls_gcm_context ctx; |
Paul Bakker | 89e80c9 | 2012-03-20 13:50:09 +0000 | [diff] [blame] | 94 | int ret; |
Azim Khan | f1aaec9 | 2017-05-30 14:23:15 +0100 | [diff] [blame] | 95 | size_t tag_len = tag_len_bits / 8; |
Paul Bakker | 89e80c9 | 2012-03-20 13:50:09 +0000 | [diff] [blame] | 96 | |
Manuel Pégourié-Gonnard | c34e8dd | 2015-04-28 21:42:17 +0200 | [diff] [blame] | 97 | mbedtls_gcm_init( &ctx ); |
| 98 | |
Paul Bakker | 89e80c9 | 2012-03-20 13:50:09 +0000 | [diff] [blame] | 99 | memset(output, 0x00, 128); |
| 100 | |
Paul Bakker | 89e80c9 | 2012-03-20 13:50:09 +0000 | [diff] [blame] | 101 | |
Azim Khan | d30ca13 | 2017-06-09 04:32:58 +0100 | [diff] [blame^] | 102 | TEST_ASSERT( mbedtls_gcm_setkey( &ctx, cipher_id, key_str->x, key_str->len * 8 ) == init_result ); |
Paul Bakker | 33b43f1 | 2013-08-20 11:48:36 +0200 | [diff] [blame] | 103 | if( init_result == 0 ) |
Paul Bakker | 89e80c9 | 2012-03-20 13:50:09 +0000 | [diff] [blame] | 104 | { |
Azim Khan | d30ca13 | 2017-06-09 04:32:58 +0100 | [diff] [blame^] | 105 | 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 ); |
Paul Bakker | 89e80c9 | 2012-03-20 13:50:09 +0000 | [diff] [blame] | 106 | |
Azim Khan | 46c9b1f | 2017-05-31 20:46:35 +0100 | [diff] [blame] | 107 | if( strcmp( "FAIL", result ) == 0 ) |
Paul Bakker | 89e80c9 | 2012-03-20 13:50:09 +0000 | [diff] [blame] | 108 | { |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 109 | TEST_ASSERT( ret == MBEDTLS_ERR_GCM_AUTH_FAILED ); |
Paul Bakker | 89e80c9 | 2012-03-20 13:50:09 +0000 | [diff] [blame] | 110 | } |
| 111 | else |
| 112 | { |
Manuel Pégourié-Gonnard | f7ce67f | 2013-09-03 20:17:35 +0200 | [diff] [blame] | 113 | TEST_ASSERT( ret == 0 ); |
Paul Bakker | 89e80c9 | 2012-03-20 13:50:09 +0000 | [diff] [blame] | 114 | |
Azim Khan | d30ca13 | 2017-06-09 04:32:58 +0100 | [diff] [blame^] | 115 | TEST_ASSERT( hexcmp( output, pt_result->x, src_str->len, pt_result->len ) == 0 ); |
Paul Bakker | 89e80c9 | 2012-03-20 13:50:09 +0000 | [diff] [blame] | 116 | } |
| 117 | } |
Manuel Pégourié-Gonnard | 4fe9200 | 2013-09-13 13:45:58 +0200 | [diff] [blame] | 118 | |
Paul Bakker | bd51b26 | 2014-07-10 15:26:12 +0200 | [diff] [blame] | 119 | exit: |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 120 | mbedtls_gcm_free( &ctx ); |
Paul Bakker | 89e80c9 | 2012-03-20 13:50:09 +0000 | [diff] [blame] | 121 | } |
Paul Bakker | 33b43f1 | 2013-08-20 11:48:36 +0200 | [diff] [blame] | 122 | /* END_CASE */ |
Paul Bakker | 89e80c9 | 2012-03-20 13:50:09 +0000 | [diff] [blame] | 123 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 124 | /* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */ |
Azim Khan | f1aaec9 | 2017-05-30 14:23:15 +0100 | [diff] [blame] | 125 | void gcm_selftest( ) |
Paul Bakker | 89e80c9 | 2012-03-20 13:50:09 +0000 | [diff] [blame] | 126 | { |
Andres AG | 93012e8 | 2016-09-09 09:10:28 +0100 | [diff] [blame] | 127 | TEST_ASSERT( mbedtls_gcm_self_test( 1 ) == 0 ); |
Paul Bakker | 89e80c9 | 2012-03-20 13:50:09 +0000 | [diff] [blame] | 128 | } |
Paul Bakker | 33b43f1 | 2013-08-20 11:48:36 +0200 | [diff] [blame] | 129 | /* END_CASE */ |