TrustedFirmware Git Browser
Code Review Sign In
review.trustedfirmware.org / mirror / mbed-tls / cdd97fd63282779907a37b6a785bfbcf1b8fa964 / . / tests / suites / test_suite_gcm.function
blob: 308e14bb49f8217f0fe493db3b539a13878ce634 [file] [log] [blame]
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]1/* BEGIN_HEADER */
Manuel Pégourié-Gonnard7f809972015-03-09 17:05:11 +0000[diff] [blame]2#include "mbedtls/gcm.h"
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]3/* END_HEADER */
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]4
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]5/* BEGIN_DEPENDENCIES
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]6 * depends_on:MBEDTLS_GCM_C
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]7 * END_DEPENDENCIES
8 */
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]9
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]10/* BEGIN_CASE */
Ron Eldor5a21fd62016-12-16 16:15:56 +0200[diff] [blame]11void 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 ) );
38
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
48exit:
49 mbedtls_gcm_free( &ctx );
50}
51/* END_CASE */
52
53/* BEGIN_CASE */
Manuel Pégourié-Gonnard083d6682013-10-24 12:06:54 +0200[diff] [blame]54void gcm_encrypt_and_tag( int cipher_id,
55 char *hex_key_string, char *hex_src_string,
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]56 char *hex_iv_string, char *hex_add_string,
57 char *hex_dst_string, int tag_len_bits,
58 char *hex_tag_string, int init_result )
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]59{
60 unsigned char key_str[128];
61 unsigned char src_str[128];
62 unsigned char dst_str[257];
63 unsigned char iv_str[128];
64 unsigned char add_str[128];
65 unsigned char tag_str[128];
66 unsigned char output[128];
67 unsigned char tag_output[16];
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]68 mbedtls_gcm_context ctx;
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]69 unsigned int key_len;
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]70 size_t pt_len, iv_len, add_len, tag_len = tag_len_bits / 8;
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]71
Manuel Pégourié-Gonnardc34e8dd2015-04-28 21:42:17 +0200[diff] [blame]72 mbedtls_gcm_init( &ctx );
73
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]74 memset(key_str, 0x00, 128);
75 memset(src_str, 0x00, 128);
Paul Bakker68b6d882012-09-08 14:04:13 +0000[diff] [blame]76 memset(dst_str, 0x00, 257);
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]77 memset(iv_str, 0x00, 128);
78 memset(add_str, 0x00, 128);
79 memset(tag_str, 0x00, 128);
80 memset(output, 0x00, 128);
81 memset(tag_output, 0x00, 16);
82
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]83 key_len = unhexify( key_str, hex_key_string );
84 pt_len = unhexify( src_str, hex_src_string );
85 iv_len = unhexify( iv_str, hex_iv_string );
86 add_len = unhexify( add_str, hex_add_string );
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]87
Manuel Pégourié-Gonnardc34e8dd2015-04-28 21:42:17 +0200[diff] [blame]88 TEST_ASSERT( mbedtls_gcm_setkey( &ctx, cipher_id, key_str, key_len * 8 ) == init_result );
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]89 if( init_result == 0 )
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]90 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]91 TEST_ASSERT( mbedtls_gcm_crypt_and_tag( &ctx, MBEDTLS_GCM_ENCRYPT, pt_len, iv_str, iv_len, add_str, add_len, src_str, output, tag_len, tag_output ) == 0 );
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]92 hexify( dst_str, output, pt_len );
93 hexify( tag_str, tag_output, tag_len );
94
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]95 TEST_ASSERT( strcmp( (char *) dst_str, hex_dst_string ) == 0 );
96 TEST_ASSERT( strcmp( (char *) tag_str, hex_tag_string ) == 0 );
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]97 }
Manuel Pégourié-Gonnard4fe92002013-09-13 13:45:58 +0200[diff] [blame]98
Paul Bakkerbd51b262014-07-10 15:26:12 +0200[diff] [blame]99exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]100 mbedtls_gcm_free( &ctx );
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]101}
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]102/* END_CASE */
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]103
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]104/* BEGIN_CASE */
Manuel Pégourié-Gonnard083d6682013-10-24 12:06:54 +0200[diff] [blame]105void gcm_decrypt_and_verify( int cipher_id,
106 char *hex_key_string, char *hex_src_string,
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]107 char *hex_iv_string, char *hex_add_string,
108 int tag_len_bits, char *hex_tag_string,
109 char *pt_result, int init_result )
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]110{
111 unsigned char key_str[128];
112 unsigned char src_str[128];
113 unsigned char dst_str[257];
114 unsigned char iv_str[128];
115 unsigned char add_str[128];
116 unsigned char tag_str[128];
117 unsigned char output[128];
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]118 mbedtls_gcm_context ctx;
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]119 unsigned int key_len;
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]120 size_t pt_len, iv_len, add_len, tag_len = tag_len_bits / 8;
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]121 int ret;
122
Manuel Pégourié-Gonnardc34e8dd2015-04-28 21:42:17 +0200[diff] [blame]123 mbedtls_gcm_init( &ctx );
124
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]125 memset(key_str, 0x00, 128);
126 memset(src_str, 0x00, 128);
Paul Bakker68b6d882012-09-08 14:04:13 +0000[diff] [blame]127 memset(dst_str, 0x00, 257);
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]128 memset(iv_str, 0x00, 128);
129 memset(add_str, 0x00, 128);
130 memset(tag_str, 0x00, 128);
131 memset(output, 0x00, 128);
132
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]133 key_len = unhexify( key_str, hex_key_string );
134 pt_len = unhexify( src_str, hex_src_string );
135 iv_len = unhexify( iv_str, hex_iv_string );
136 add_len = unhexify( add_str, hex_add_string );
137 unhexify( tag_str, hex_tag_string );
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]138
Manuel Pégourié-Gonnardc34e8dd2015-04-28 21:42:17 +0200[diff] [blame]139 TEST_ASSERT( mbedtls_gcm_setkey( &ctx, cipher_id, key_str, key_len * 8 ) == init_result );
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]140 if( init_result == 0 )
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]141 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]142 ret = mbedtls_gcm_auth_decrypt( &ctx, pt_len, iv_str, iv_len, add_str, add_len, tag_str, tag_len, src_str, output );
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]143
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]144 if( strcmp( "FAIL", pt_result ) == 0 )
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]145 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]146 TEST_ASSERT( ret == MBEDTLS_ERR_GCM_AUTH_FAILED );
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]147 }
148 else
149 {
Manuel Pégourié-Gonnardf7ce67f2013-09-03 20:17:35 +0200[diff] [blame]150 TEST_ASSERT( ret == 0 );
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]151 hexify( dst_str, output, pt_len );
152
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]153 TEST_ASSERT( strcmp( (char *) dst_str, pt_result ) == 0 );
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]154 }
155 }
Manuel Pégourié-Gonnard4fe92002013-09-13 13:45:58 +0200[diff] [blame]156
Paul Bakkerbd51b262014-07-10 15:26:12 +0200[diff] [blame]157exit:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]158 mbedtls_gcm_free( &ctx );
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]159}
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]160/* END_CASE */
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]161
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]162/* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]163void gcm_selftest()
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]164{
Andres AG93012e82016-09-09 09:10:28 +0100[diff] [blame]165 TEST_ASSERT( mbedtls_gcm_self_test( 1 ) == 0 );
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]166}
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]167/* END_CASE */