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review.trustedfirmware.org / mirror / mbed-tls / 8eccab50779a5ce63b2a1178a4056dcfdc2b6510 / . / tests / suites / test_suite_gcm.function
blob: c00ec0b10ad1195b1db97ed05c9b913d90eb8687 [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 Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]42 TEST_ASSERT( gcm_init( &ctx, key_str, key_len * 8 ) == init_result );
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 }
52}
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]53/* END_CASE */
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]54
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]55/* BEGIN_CASE */
56void gcm_decrypt_and_verify( char *hex_key_string, char *hex_src_string,
57 char *hex_iv_string, char *hex_add_string,
58 int tag_len_bits, char *hex_tag_string,
59 char *pt_result, int init_result )
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]60{
61 unsigned char key_str[128];
62 unsigned char src_str[128];
63 unsigned char dst_str[257];
64 unsigned char iv_str[128];
65 unsigned char add_str[128];
66 unsigned char tag_str[128];
67 unsigned char output[128];
68 gcm_context ctx;
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 int ret;
72
73 memset(key_str, 0x00, 128);
74 memset(src_str, 0x00, 128);
Paul Bakker68b6d882012-09-08 14:04:13 +0000[diff] [blame]75 memset(dst_str, 0x00, 257);
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]76 memset(iv_str, 0x00, 128);
77 memset(add_str, 0x00, 128);
78 memset(tag_str, 0x00, 128);
79 memset(output, 0x00, 128);
80
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]81 key_len = unhexify( key_str, hex_key_string );
82 pt_len = unhexify( src_str, hex_src_string );
83 iv_len = unhexify( iv_str, hex_iv_string );
84 add_len = unhexify( add_str, hex_add_string );
85 unhexify( tag_str, hex_tag_string );
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]86
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]87 TEST_ASSERT( gcm_init( &ctx, key_str, key_len * 8 ) == init_result );
88 if( init_result == 0 )
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]89 {
90 ret = gcm_auth_decrypt( &ctx, pt_len, iv_str, iv_len, add_str, add_len, tag_str, tag_len, src_str, output );
91
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]92 if( strcmp( "FAIL", pt_result ) == 0 )
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]93 {
94 TEST_ASSERT( ret == POLARSSL_ERR_GCM_AUTH_FAILED );
95 }
96 else
97 {
98 hexify( dst_str, output, pt_len );
99
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]100 TEST_ASSERT( strcmp( (char *) dst_str, pt_result ) == 0 );
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]101 }
102 }
103}
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]104/* END_CASE */
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]105
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]106/* BEGIN_CASE */
107void gcm_selftest()
Paul Bakker89e80c92012-03-20 13:50:09 +0000[diff] [blame]108{
109 TEST_ASSERT( gcm_self_test( 0 ) == 0 );
110}
Paul Bakker33b43f12013-08-20 11:48:36 +0200[diff] [blame]111/* END_CASE */