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/* 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.
*
* Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org
*/
/**
@file eax_test.c
EAX implementation, self-test, by Tom St Denis
*/
#include "tomcrypt.h"
#ifdef EAX_MODE
/**
Test the EAX implementation
@return CRYPT_OK if successful, CRYPT_NOP if self-testing has been disabled
*/
int eax_test(void)
{
#ifndef LTC_TEST
return CRYPT_NOP;
#else
static const struct {
int keylen,
noncelen,
headerlen,
msglen;
unsigned char key[MAXBLOCKSIZE],
nonce[MAXBLOCKSIZE],
header[MAXBLOCKSIZE],
plaintext[MAXBLOCKSIZE],
ciphertext[MAXBLOCKSIZE],
tag[MAXBLOCKSIZE];
} tests[] = {
/* NULL message */
{
16, 0, 0, 0,
/* key */
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
/* nonce */
{ 0 },
/* header */
{ 0 },
/* plaintext */
{ 0 },
/* ciphertext */
{ 0 },
/* tag */
{ 0x9a, 0xd0, 0x7e, 0x7d, 0xbf, 0xf3, 0x01, 0xf5,
0x05, 0xde, 0x59, 0x6b, 0x96, 0x15, 0xdf, 0xff }
},
/* test with nonce */
{
16, 16, 0, 0,
/* key */
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
/* nonce */
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
/* header */
{ 0 },
/* plaintext */
{ 0 },
/* ciphertext */
{ 0 },
/* tag */
{ 0x1c, 0xe1, 0x0d, 0x3e, 0xff, 0xd4, 0xca, 0xdb,
0xe2, 0xe4, 0x4b, 0x58, 0xd6, 0x0a, 0xb9, 0xec }
},
/* test with header [no nonce] */
{
16, 0, 16, 0,
/* key */
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
/* nonce */
{ 0 },
/* header */
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
/* plaintext */
{ 0 },
/* ciphertext */
{ 0 },
/* tag */
{ 0x3a, 0x69, 0x8f, 0x7a, 0x27, 0x0e, 0x51, 0xb0,
0xf6, 0x5b, 0x3d, 0x3e, 0x47, 0x19, 0x3c, 0xff }
},
/* test with header + nonce + plaintext */
{
16, 16, 16, 32,
/* key */
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
/* nonce */
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
/* header */
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
/* plaintext */
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f },
/* ciphertext */
{ 0x29, 0xd8, 0x78, 0xd1, 0xa3, 0xbe, 0x85, 0x7b,
0x6f, 0xb8, 0xc8, 0xea, 0x59, 0x50, 0xa7, 0x78,
0x33, 0x1f, 0xbf, 0x2c, 0xcf, 0x33, 0x98, 0x6f,
0x35, 0xe8, 0xcf, 0x12, 0x1d, 0xcb, 0x30, 0xbc },
/* tag */
{ 0x4f, 0xbe, 0x03, 0x38, 0xbe, 0x1c, 0x8c, 0x7e,
0x1d, 0x7a, 0xe7, 0xe4, 0x5b, 0x92, 0xc5, 0x87 }
},
/* test with header + nonce + plaintext [not even sizes!] */
{
16, 15, 14, 29,
/* key */
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
/* nonce */
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e },
/* header */
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d },
/* plaintext */
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c },
/* ciphertext */
{ 0xdd, 0x25, 0xc7, 0x54, 0xc5, 0xb1, 0x7c, 0x59,
0x28, 0xb6, 0x9b, 0x73, 0x15, 0x5f, 0x7b, 0xb8,
0x88, 0x8f, 0xaf, 0x37, 0x09, 0x1a, 0xd9, 0x2c,
0x8a, 0x24, 0xdb, 0x86, 0x8b },
/* tag */
{ 0x0d, 0x1a, 0x14, 0xe5, 0x22, 0x24, 0xff, 0xd2,
0x3a, 0x05, 0xfa, 0x02, 0xcd, 0xef, 0x52, 0xda }
},
/* Vectors from Brian Gladman */
{
16, 16, 8, 0,
/* key */
{ 0x23, 0x39, 0x52, 0xde, 0xe4, 0xd5, 0xed, 0x5f,
0x9b, 0x9c, 0x6d, 0x6f, 0xf8, 0x0f, 0xf4, 0x78 },
/* nonce */
{ 0x62, 0xec, 0x67, 0xf9, 0xc3, 0xa4, 0xa4, 0x07,
0xfc, 0xb2, 0xa8, 0xc4, 0x90, 0x31, 0xa8, 0xb3 },
/* header */
{ 0x6b, 0xfb, 0x91, 0x4f, 0xd0, 0x7e, 0xae, 0x6b },
/* PT */
{ 0x00 },
/* CT */
{ 0x00 },
/* tag */
{ 0xe0, 0x37, 0x83, 0x0e, 0x83, 0x89, 0xf2, 0x7b,
0x02, 0x5a, 0x2d, 0x65, 0x27, 0xe7, 0x9d, 0x01 }
},
{
16, 16, 8, 2,
/* key */
{ 0x91, 0x94, 0x5d, 0x3f, 0x4d, 0xcb, 0xee, 0x0b,
0xf4, 0x5e, 0xf5, 0x22, 0x55, 0xf0, 0x95, 0xa4 },
/* nonce */
{ 0xbe, 0xca, 0xf0, 0x43, 0xb0, 0xa2, 0x3d, 0x84,
0x31, 0x94, 0xba, 0x97, 0x2c, 0x66, 0xde, 0xbd },
/* header */
{ 0xfa, 0x3b, 0xfd, 0x48, 0x06, 0xeb, 0x53, 0xfa },
/* PT */
{ 0xf7, 0xfb },
/* CT */
{ 0x19, 0xdd },
/* tag */
{ 0x5c, 0x4c, 0x93, 0x31, 0x04, 0x9d, 0x0b, 0xda,
0xb0, 0x27, 0x74, 0x08, 0xf6, 0x79, 0x67, 0xe5 }
},
{
16, 16, 8, 5,
/* key */
{ 0x01, 0xf7, 0x4a, 0xd6, 0x40, 0x77, 0xf2, 0xe7,
0x04, 0xc0, 0xf6, 0x0a, 0xda, 0x3d, 0xd5, 0x23 },
/* nonce */
{ 0x70, 0xc3, 0xdb, 0x4f, 0x0d, 0x26, 0x36, 0x84,
0x00, 0xa1, 0x0e, 0xd0, 0x5d, 0x2b, 0xff, 0x5e },
/* header */
{ 0x23, 0x4a, 0x34, 0x63, 0xc1, 0x26, 0x4a, 0xc6 },
/* PT */
{ 0x1a, 0x47, 0xcb, 0x49, 0x33 },
/* CT */
{ 0xd8, 0x51, 0xd5, 0xba, 0xe0 },
/* Tag */
{ 0x3a, 0x59, 0xf2, 0x38, 0xa2, 0x3e, 0x39, 0x19,
0x9d, 0xc9, 0x26, 0x66, 0x26, 0xc4, 0x0f, 0x80 }
}
};
int err, x, idx, res;
unsigned long len;
unsigned char outct[MAXBLOCKSIZE], outtag[MAXBLOCKSIZE];
/* AES can be under rijndael or aes... try to find it */
if ((idx = find_cipher("aes")) == -1) {
if ((idx = find_cipher("rijndael")) == -1) {
return CRYPT_NOP;
}
}
for (x = 0; x < (int)(sizeof(tests)/sizeof(tests[0])); x++) {
len = sizeof(outtag);
if ((err = eax_encrypt_authenticate_memory(idx, tests[x].key, tests[x].keylen,
tests[x].nonce, tests[x].noncelen, tests[x].header, tests[x].headerlen,
tests[x].plaintext, tests[x].msglen, outct, outtag, &len)) != CRYPT_OK) {
return err;
}
if (memcmp(outct, tests[x].ciphertext, tests[x].msglen) || memcmp(outtag, tests[x].tag, len)) {
#if 0
unsigned long y;
printf("\n\nFailure: \nCT:\n");
for (y = 0; y < (unsigned long)tests[x].msglen; ) {
printf("0x%02x", outct[y]);
if (y < (unsigned long)(tests[x].msglen-1)) printf(", ");
if (!(++y % 8)) printf("\n");
}
printf("\nTAG:\n");
for (y = 0; y < len; ) {
printf("0x%02x", outtag[y]);
if (y < len-1) printf(", ");
if (!(++y % 8)) printf("\n");
}
#endif
return CRYPT_FAIL_TESTVECTOR;
}
/* test decrypt */
if ((err = eax_decrypt_verify_memory(idx, tests[x].key, tests[x].keylen,
tests[x].nonce, tests[x].noncelen, tests[x].header, tests[x].headerlen,
outct, tests[x].msglen, outct, outtag, len, &res)) != CRYPT_OK) {
return err;
}
if ((res != 1) || memcmp(outct, tests[x].plaintext, tests[x].msglen)) {
#if 0
unsigned long y;
printf("\n\nFailure (res == %d): \nPT:\n", res);
for (y = 0; y < (unsigned long)tests[x].msglen; ) {
printf("0x%02x", outct[y]);
if (y < (unsigned long)(tests[x].msglen-1)) printf(", ");
if (!(++y % 8)) printf("\n");
}
printf("\n\n");
#endif
return CRYPT_FAIL_TESTVECTOR;
}
}
return CRYPT_OK;
#endif /* LTC_TEST */
}
#endif /* EAX_MODE */
/* $Source: /cvs/libtom/libtomcrypt/src/encauth/eax/eax_test.c,v $ */
/* $Revision: 1.3 $ */
/* $Date: 2005/05/05 14:35:58 $ */
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