mirror of
https://github.com/Laupetin/OpenAssetTools.git
synced 2025-04-22 17:15:46 +00:00
258 lines
8.4 KiB
C
258 lines
8.4 KiB
C
/* LibTomCrypt, modular cryptographic library -- Tom St Denis
|
|
*
|
|
* LibTomCrypt is a library that provides various cryptographic
|
|
* algorithms in a highly modular and flexible manner.
|
|
*
|
|
* The library is free for all purposes without any express
|
|
* guarantee it works.
|
|
*/
|
|
#include "tomcrypt.h"
|
|
|
|
/**
|
|
@file ccm_test.c
|
|
CCM support, process a block of memory, Tom St Denis
|
|
*/
|
|
|
|
#ifdef LTC_CCM_MODE
|
|
|
|
int ccm_test(void)
|
|
{
|
|
#ifndef LTC_TEST
|
|
return CRYPT_NOP;
|
|
#else
|
|
static const struct {
|
|
unsigned char key[16];
|
|
unsigned char nonce[16];
|
|
int noncelen;
|
|
unsigned char header[64];
|
|
int headerlen;
|
|
unsigned char pt[64];
|
|
int ptlen;
|
|
unsigned char ct[64];
|
|
unsigned char tag[16];
|
|
unsigned long taglen;
|
|
} tests[] = {
|
|
|
|
/* 13 byte nonce, 8 byte auth, 23 byte pt */
|
|
{
|
|
{ 0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7,
|
|
0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF },
|
|
{ 0x00, 0x00, 0x00, 0x03, 0x02, 0x01, 0x00, 0xA0,
|
|
0xA1, 0xA2, 0xA3, 0xA4, 0xA5 },
|
|
13,
|
|
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07 },
|
|
8,
|
|
{ 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
|
|
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
|
|
0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E },
|
|
23,
|
|
{ 0x58, 0x8C, 0x97, 0x9A, 0x61, 0xC6, 0x63, 0xD2,
|
|
0xF0, 0x66, 0xD0, 0xC2, 0xC0, 0xF9, 0x89, 0x80,
|
|
0x6D, 0x5F, 0x6B, 0x61, 0xDA, 0xC3, 0x84 },
|
|
{ 0x17, 0xe8, 0xd1, 0x2c, 0xfd, 0xf9, 0x26, 0xe0 },
|
|
8
|
|
},
|
|
|
|
/* 13 byte nonce, 12 byte header, 19 byte pt */
|
|
{
|
|
{ 0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7,
|
|
0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF },
|
|
{ 0x00, 0x00, 0x00, 0x06, 0x05, 0x04, 0x03, 0xA0,
|
|
0xA1, 0xA2, 0xA3, 0xA4, 0xA5 },
|
|
13,
|
|
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
|
|
0x08, 0x09, 0x0A, 0x0B },
|
|
12,
|
|
{ 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13,
|
|
0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B,
|
|
0x1C, 0x1D, 0x1E },
|
|
19,
|
|
{ 0xA2, 0x8C, 0x68, 0x65, 0x93, 0x9A, 0x9A, 0x79,
|
|
0xFA, 0xAA, 0x5C, 0x4C, 0x2A, 0x9D, 0x4A, 0x91,
|
|
0xCD, 0xAC, 0x8C },
|
|
{ 0x96, 0xC8, 0x61, 0xB9, 0xC9, 0xE6, 0x1E, 0xF1 },
|
|
8
|
|
},
|
|
|
|
/* supplied by Brian Gladman */
|
|
{
|
|
{ 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
|
|
0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f },
|
|
{ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16 },
|
|
7,
|
|
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07 },
|
|
8,
|
|
{ 0x20, 0x21, 0x22, 0x23 },
|
|
4,
|
|
{ 0x71, 0x62, 0x01, 0x5b },
|
|
{ 0x4d, 0xac, 0x25, 0x5d },
|
|
4
|
|
},
|
|
|
|
{
|
|
{ 0xc9, 0x7c, 0x1f, 0x67, 0xce, 0x37, 0x11, 0x85,
|
|
0x51, 0x4a, 0x8a, 0x19, 0xf2, 0xbd, 0xd5, 0x2f },
|
|
{ 0x00, 0x50, 0x30, 0xf1, 0x84, 0x44, 0x08, 0xb5,
|
|
0x03, 0x97, 0x76, 0xe7, 0x0c },
|
|
13,
|
|
{ 0x08, 0x40, 0x0f, 0xd2, 0xe1, 0x28, 0xa5, 0x7c,
|
|
0x50, 0x30, 0xf1, 0x84, 0x44, 0x08, 0xab, 0xae,
|
|
0xa5, 0xb8, 0xfc, 0xba, 0x00, 0x00 },
|
|
22,
|
|
{ 0xf8, 0xba, 0x1a, 0x55, 0xd0, 0x2f, 0x85, 0xae,
|
|
0x96, 0x7b, 0xb6, 0x2f, 0xb6, 0xcd, 0xa8, 0xeb,
|
|
0x7e, 0x78, 0xa0, 0x50 },
|
|
20,
|
|
{ 0xf3, 0xd0, 0xa2, 0xfe, 0x9a, 0x3d, 0xbf, 0x23,
|
|
0x42, 0xa6, 0x43, 0xe4, 0x32, 0x46, 0xe8, 0x0c,
|
|
0x3c, 0x04, 0xd0, 0x19 },
|
|
{ 0x78, 0x45, 0xce, 0x0b, 0x16, 0xf9, 0x76, 0x23 },
|
|
8
|
|
},
|
|
|
|
};
|
|
unsigned long taglen, x, y;
|
|
unsigned char buf[64], buf2[64], tag[16], tag2[16], tag3[16], zero[64];
|
|
int err, idx;
|
|
symmetric_key skey;
|
|
ccm_state ccm;
|
|
|
|
zeromem(zero, 64);
|
|
|
|
idx = find_cipher("aes");
|
|
if (idx == -1) {
|
|
idx = find_cipher("rijndael");
|
|
if (idx == -1) {
|
|
return CRYPT_NOP;
|
|
}
|
|
}
|
|
|
|
for (x = 0; x < (sizeof(tests)/sizeof(tests[0])); x++) {
|
|
for (y = 0; y < 2; y++) {
|
|
taglen = tests[x].taglen;
|
|
if (y == 0) {
|
|
if ((err = cipher_descriptor[idx].setup(tests[x].key, 16, 0, &skey)) != CRYPT_OK) {
|
|
return err;
|
|
}
|
|
|
|
if ((err = ccm_memory(idx,
|
|
tests[x].key, 16,
|
|
&skey,
|
|
tests[x].nonce, tests[x].noncelen,
|
|
tests[x].header, tests[x].headerlen,
|
|
(unsigned char*)tests[x].pt, tests[x].ptlen,
|
|
buf,
|
|
tag, &taglen, 0)) != CRYPT_OK) {
|
|
return err;
|
|
}
|
|
/* run a second time to make sure skey is not touched */
|
|
if ((err = ccm_memory(idx,
|
|
tests[x].key, 16,
|
|
&skey,
|
|
tests[x].nonce, tests[x].noncelen,
|
|
tests[x].header, tests[x].headerlen,
|
|
(unsigned char*)tests[x].pt, tests[x].ptlen,
|
|
buf,
|
|
tag, &taglen, 0)) != CRYPT_OK) {
|
|
return err;
|
|
}
|
|
} else {
|
|
if ((err = ccm_init(&ccm, idx, tests[x].key, 16, tests[x].ptlen, tests[x].taglen, tests[x].headerlen)) != CRYPT_OK) {
|
|
return err;
|
|
}
|
|
if ((err = ccm_add_nonce(&ccm, tests[x].nonce, tests[x].noncelen)) != CRYPT_OK) {
|
|
return err;
|
|
}
|
|
if ((err = ccm_add_aad(&ccm, tests[x].header, tests[x].headerlen)) != CRYPT_OK) {
|
|
return err;
|
|
}
|
|
if ((err = ccm_process(&ccm, (unsigned char*)tests[x].pt, tests[x].ptlen, buf, CCM_ENCRYPT)) != CRYPT_OK) {
|
|
return err;
|
|
}
|
|
if ((err = ccm_done(&ccm, tag, &taglen)) != CRYPT_OK) {
|
|
return err;
|
|
}
|
|
}
|
|
|
|
if (compare_testvector(buf, tests[x].ptlen, tests[x].ct, tests[x].ptlen, "CCM encrypt data", x)) {
|
|
return CRYPT_FAIL_TESTVECTOR;
|
|
}
|
|
if (compare_testvector(tag, taglen, tests[x].tag, tests[x].taglen, "CCM encrypt tag", x)) {
|
|
return CRYPT_FAIL_TESTVECTOR;
|
|
}
|
|
|
|
if (y == 0) {
|
|
XMEMCPY(tag3, tests[x].tag, tests[x].taglen);
|
|
taglen = tests[x].taglen;
|
|
if ((err = ccm_memory(idx,
|
|
tests[x].key, 16,
|
|
NULL,
|
|
tests[x].nonce, tests[x].noncelen,
|
|
tests[x].header, tests[x].headerlen,
|
|
buf2, tests[x].ptlen,
|
|
buf,
|
|
tag3, &taglen, 1 )) != CRYPT_OK) {
|
|
return err;
|
|
}
|
|
} else {
|
|
if ((err = ccm_init(&ccm, idx, tests[x].key, 16, tests[x].ptlen, tests[x].taglen, tests[x].headerlen)) != CRYPT_OK) {
|
|
return err;
|
|
}
|
|
if ((err = ccm_add_nonce(&ccm, tests[x].nonce, tests[x].noncelen)) != CRYPT_OK) {
|
|
return err;
|
|
}
|
|
if ((err = ccm_add_aad(&ccm, tests[x].header, tests[x].headerlen)) != CRYPT_OK) {
|
|
return err;
|
|
}
|
|
if ((err = ccm_process(&ccm, buf2, tests[x].ptlen, buf, CCM_DECRYPT)) != CRYPT_OK) {
|
|
return err;
|
|
}
|
|
if ((err = ccm_done(&ccm, tag2, &taglen)) != CRYPT_OK) {
|
|
return err;
|
|
}
|
|
}
|
|
|
|
|
|
if (compare_testvector(buf2, tests[x].ptlen, tests[x].pt, tests[x].ptlen, "CCM decrypt data", x)) {
|
|
return CRYPT_FAIL_TESTVECTOR;
|
|
}
|
|
if (y == 0) {
|
|
/* check if decryption with the wrong tag does not reveal the plaintext */
|
|
XMEMCPY(tag3, tests[x].tag, tests[x].taglen);
|
|
tag3[0] ^= 0xff; /* set the tag to the wrong value */
|
|
taglen = tests[x].taglen;
|
|
if ((err = ccm_memory(idx,
|
|
tests[x].key, 16,
|
|
NULL,
|
|
tests[x].nonce, tests[x].noncelen,
|
|
tests[x].header, tests[x].headerlen,
|
|
buf2, tests[x].ptlen,
|
|
buf,
|
|
tag3, &taglen, 1 )) != CRYPT_ERROR) {
|
|
return CRYPT_FAIL_TESTVECTOR;
|
|
}
|
|
if (compare_testvector(buf2, tests[x].ptlen, zero, tests[x].ptlen, "CCM decrypt wrong tag", x)) {
|
|
return CRYPT_FAIL_TESTVECTOR;
|
|
}
|
|
} else {
|
|
if (compare_testvector(tag2, taglen, tests[x].tag, tests[x].taglen, "CCM decrypt tag", x)) {
|
|
return CRYPT_FAIL_TESTVECTOR;
|
|
}
|
|
}
|
|
|
|
if (y == 0) {
|
|
cipher_descriptor[idx].done(&skey);
|
|
}
|
|
}
|
|
}
|
|
|
|
return CRYPT_OK;
|
|
#endif
|
|
}
|
|
|
|
#endif
|
|
|
|
/* ref: HEAD -> master, tag: v1.18.2 */
|
|
/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */
|
|
/* commit time: 2018-07-01 22:49:01 +0200 */
|