int test_twofish256()
{
twofish256_key skey;
unsigned char tmp[16];
int i;
for (i = 0; i < _countof(twofish_vectors); i++)
{
twofish256_set_key(twofish_vectors[i].key, &skey);
twofish256_encrypt(twofish_vectors[i].plaintext, tmp, &skey);
if (memcmp(twofish_vectors[i].ciphertext, tmp, sizeof(tmp)) != 0) return 0;
twofish256_decrypt(twofish_vectors[i].ciphertext, tmp, &skey);
if (memcmp(twofish_vectors[i].plaintext, tmp, sizeof(tmp)) != 0) return 0;
}
return 1;
}
int test_twofish256()
{
twofish256_key skey;
char tmp[16];
int i;
for (i = 0; i < array_num(twofish_vectors); i++)
{
twofish256_set_key(twofish_vectors[i].key, &skey);
twofish256_encrypt(twofish_vectors[i].plaintext, tmp, &skey);
if (memcmp(twofish_vectors[i].ciphertext, tmp, sizeof(tmp)) != 0) {
return 0;
}
twofish256_decrypt(twofish_vectors[i].ciphertext, tmp, &skey);
if (memcmp(twofish_vectors[i].plaintext, tmp, sizeof(tmp)) != 0) {
return 0;
}
}
return 1;
}
void _stdcall xts_set_key(const unsigned char *key, int alg, xts_key *skey)
{
switch (alg)
{
case CF_AES:
aes256_asm_set_key(key, &skey->crypt_k.aes);
aes256_asm_set_key(key + XTS_KEY_SIZE, &skey->tweak_k.aes);
skey->encrypt = xts_aes_encrypt;
skey->decrypt = xts_aes_decrypt;
break;
case CF_TWOFISH:
twofish256_set_key(key, &skey->crypt_k.twofish);
twofish256_set_key(key + XTS_KEY_SIZE, &skey->tweak_k.twofish);
skey->encrypt = xts_twofish_encrypt;
skey->decrypt = xts_twofish_decrypt;
break;
case CF_SERPENT:
serpent256_set_key(key, &skey->crypt_k.serpent);
serpent256_set_key(key + XTS_KEY_SIZE, &skey->tweak_k.serpent);
skey->encrypt = xts_serpent_encrypt;
skey->decrypt = xts_serpent_decrypt;
break;
case CF_AES_TWOFISH:
twofish256_set_key(key, &skey->crypt_k.twofish);
aes256_asm_set_key(key + XTS_KEY_SIZE, &skey->crypt_k.aes);
twofish256_set_key(key + XTS_KEY_SIZE*2, &skey->tweak_k.twofish);
aes256_asm_set_key(key + XTS_KEY_SIZE*3, &skey->tweak_k.aes);
skey->encrypt = xts_aes_twofish_encrypt;
skey->decrypt = xts_aes_twofish_decrypt;
break;
case CF_TWOFISH_SERPENT:
serpent256_set_key(key, &skey->crypt_k.serpent);
twofish256_set_key(key + XTS_KEY_SIZE, &skey->crypt_k.twofish);
serpent256_set_key(key + XTS_KEY_SIZE*2, &skey->tweak_k.serpent);
twofish256_set_key(key + XTS_KEY_SIZE*3, &skey->tweak_k.twofish);
skey->encrypt = xts_twofish_serpent_encrypt;
skey->decrypt = xts_twofish_serpent_decrypt;
break;
case CF_SERPENT_AES:
aes256_asm_set_key(key, &skey->crypt_k.aes);
serpent256_set_key(key + XTS_KEY_SIZE, &skey->crypt_k.serpent);
aes256_asm_set_key(key + XTS_KEY_SIZE*2, &skey->tweak_k.aes);
serpent256_set_key(key + XTS_KEY_SIZE*3, &skey->tweak_k.serpent);
skey->encrypt = xts_serpent_aes_encrypt;
skey->decrypt = xts_serpent_aes_decrypt;
break;
case CF_AES_TWOFISH_SERPENT:
serpent256_set_key(key, &skey->crypt_k.serpent);
twofish256_set_key(key + XTS_KEY_SIZE, &skey->crypt_k.twofish);
aes256_asm_set_key(key + XTS_KEY_SIZE*2, &skey->crypt_k.aes);
serpent256_set_key(key + XTS_KEY_SIZE*3, &skey->tweak_k.serpent);
twofish256_set_key(key + XTS_KEY_SIZE*4, &skey->tweak_k.twofish);
aes256_asm_set_key(key + XTS_KEY_SIZE*5, &skey->tweak_k.aes);
skey->encrypt = xts_aes_twofish_serpent_encrypt;
skey->decrypt = xts_aes_twofish_serpent_decrypt;
break;
}
}
