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review.trustedfirmware.org / mirror / mbed-tls / 0ace4b3154e88b1ddf5347363e07ed6f1f6d2407 / . / tests / suites / test_suite_gcm.function
blob: 349945ad2d3dd835e306ec9eb6fa96a059a1418d [file] [log] [blame]
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]1/* BEGIN_HEADER */
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]2#include <polarssl/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
6 * depends_on:POLARSSL_GCM_C
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 */
11void gcm_encrypt_and_tag( char *hex_key_string, char *hex_src_string,
12 char *hex_iv_string, char *hex_add_string,
13 char *hex_dst_string, int tag_len_bits,
14 char *hex_tag_string, int init_result )
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]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 gcm_context ctx;
25 unsigned int key_len;
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]26 size_t pt_len, iv_len, add_len, tag_len = tag_len_bits / 8;
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]27
28 memset(key_str, 0x00, 128);
29 memset(src_str, 0x00, 128);
Paul Bakker68b6d882012-09-08 14:04:13 +0000[diff] [blame]30 memset(dst_str, 0x00, 257);
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]31 memset(iv_str, 0x00, 128);
32 memset(add_str, 0x00, 128);
33 memset(tag_str, 0x00, 128);
34 memset(output, 0x00, 128);
35 memset(tag_output, 0x00, 16);
36
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]37 key_len = unhexify( key_str, hex_key_string );
38 pt_len = unhexify( src_str, hex_src_string );
39 iv_len = unhexify( iv_str, hex_iv_string );
40 add_len = unhexify( add_str, hex_add_string );
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]41
Paul Bakker43aff2a2013-09-09 00:10:27 +0200[diff] [blame]42 TEST_ASSERT( gcm_init( &ctx, POLARSSL_CIPHER_ID_AES, key_str, key_len * 8 ) == init_result );
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]43 if( init_result == 0 )
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]44 {
45 TEST_ASSERT( gcm_crypt_and_tag( &ctx, GCM_ENCRYPT, pt_len, iv_str, iv_len, add_str, add_len, src_str, output, tag_len, tag_output ) == 0 );
46 hexify( dst_str, output, pt_len );
47 hexify( tag_str, tag_output, tag_len );
48
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]49 TEST_ASSERT( strcmp( (char *) dst_str, hex_dst_string ) == 0 );
50 TEST_ASSERT( strcmp( (char *) tag_str, hex_tag_string ) == 0 );
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]51 }
Manuel Pégourié-Gonnard4fe92002013-09-13 13:45:58 +0200[diff] [blame]52
53 gcm_free( &ctx );
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]54}
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]55/* END_CASE */
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]56
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]57/* BEGIN_CASE */
58void gcm_decrypt_and_verify( char *hex_key_string, char *hex_src_string,
59 char *hex_iv_string, char *hex_add_string,
60 int tag_len_bits, char *hex_tag_string,
61 char *pt_result, int init_result )
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]62{
63 unsigned char key_str[128];
64 unsigned char src_str[128];
65 unsigned char dst_str[257];
66 unsigned char iv_str[128];
67 unsigned char add_str[128];
68 unsigned char tag_str[128];
69 unsigned char output[128];
70 gcm_context ctx;
71 unsigned int key_len;
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]72 size_t pt_len, iv_len, add_len, tag_len = tag_len_bits / 8;
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]73 int ret;
74
75 memset(key_str, 0x00, 128);
76 memset(src_str, 0x00, 128);
Paul Bakker68b6d882012-09-08 14:04:13 +0000[diff] [blame]77 memset(dst_str, 0x00, 257);
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]78 memset(iv_str, 0x00, 128);
79 memset(add_str, 0x00, 128);
80 memset(tag_str, 0x00, 128);
81 memset(output, 0x00, 128);
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 );
87 unhexify( tag_str, hex_tag_string );
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]88
Paul Bakker43aff2a2013-09-09 00:10:27 +0200[diff] [blame]89 TEST_ASSERT( gcm_init( &ctx, POLARSSL_CIPHER_ID_AES, key_str, key_len * 8 ) == init_result );
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]90 if( init_result == 0 )
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]91 {
92 ret = gcm_auth_decrypt( &ctx, pt_len, iv_str, iv_len, add_str, add_len, tag_str, tag_len, src_str, output );
93
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]94 if( strcmp( "FAIL", pt_result ) == 0 )
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]95 {
96 TEST_ASSERT( ret == POLARSSL_ERR_GCM_AUTH_FAILED );
97 }
98 else
99 {
Manuel Pégourié-Gonnardf7ce67f2013-09-03 20:17:35 +0200[diff] [blame]100 TEST_ASSERT( ret == 0 );
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]101 hexify( dst_str, output, pt_len );
102
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]103 TEST_ASSERT( strcmp( (char *) dst_str, pt_result ) == 0 );
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]104 }
105 }
Manuel Pégourié-Gonnard4fe92002013-09-13 13:45:58 +0200[diff] [blame]106
107 gcm_free( &ctx );
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]108}
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]109/* END_CASE */
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]110
Manuel Pégourié-Gonnard387a2112013-09-18 18:54:01 +0200[diff] [blame]111/* BEGIN_CASE depends_on:POLARSSL_SELFTEST_C */
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]112void gcm_selftest()
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]113{
114 TEST_ASSERT( gcm_self_test( 0 ) == 0 );
115}
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]116/* END_CASE */