WIN32DLL_DEFINE int _mcrypt_self_test()
{
char *keyword;
char plaintext[20];
char ciphertext[20];
int blocksize = 20, j;
void *key;
unsigned char cipher_tmp[200];
keyword = calloc(1, _mcrypt_get_key_size());
if (keyword == NULL)
return -1;
strcpy(keyword, "enadyotr");
for (j = 0; j < blocksize; j++) {
plaintext[j] = j % 256;
}
key = malloc(_mcrypt_get_size());
if (key == NULL) {
free(keyword);
return -1;
}
memmove(ciphertext, plaintext, blocksize);
_mcrypt_set_key(key, (void *) keyword, _mcrypt_get_key_size(),
NULL, 0);
_mcrypt_encrypt(key, (void *) ciphertext, blocksize);
for (j = 0; j < blocksize; j++) {
sprintf(&((char *) cipher_tmp)[2 * j], "%.2x",
ciphertext[j]);
}
if (strcmp((char *) cipher_tmp, CIPHER) != 0) {
printf("failed compatibility\n");
printf("Expected: %s\nGot: %s\n", CIPHER,
(char *) cipher_tmp);
free(keyword);
free(key);
return -1;
}
_mcrypt_set_key(key, (void *) keyword, _mcrypt_get_key_size(),
NULL, 0);
free(keyword);
_mcrypt_decrypt(key, (void *) ciphertext, blocksize);
free(key);
if (strcmp(ciphertext, plaintext) != 0) {
printf("failed internally\n");
return -1;
}
return 0;
}
WIN32DLL_DEFINE int _mcrypt_self_test()
{
unsigned char *keyword;
unsigned char plaintext[43];
unsigned char ciphertext[43];
int blocksize = 43, j;
void *key, *key2;
unsigned char cipher_tmp[200];
keyword = calloc(1, _mcrypt_get_key_size());
for (j = 0; j < _mcrypt_get_key_size(); j++) {
keyword[j] = (j * 5 + 10) & 0xff;
}
for (j = 0; j < blocksize; j++) {
plaintext[j] = (j + 5) % 0xff;
}
key = malloc(_mcrypt_get_size());
key2 = malloc(_mcrypt_get_size());
memcpy(ciphertext, plaintext, blocksize);
_mcrypt_set_key(key, (void *)keyword, _mcrypt_get_key_size(),
NULL, 0);
_mcrypt_encrypt(key, (void *)ciphertext, blocksize);
free(key);
for (j = 0; j < blocksize; j++) {
sprintf(&((char *)cipher_tmp)[2 * j], "%.2x",
ciphertext[j]);
}
if (strcmp((char *)cipher_tmp, CIPHER) != 0) {
printf("failed compatibility\n");
printf("Expected: %s\nGot: %s\n", CIPHER,
(char *)cipher_tmp);
free(key);
free(key2);
return -1;
}
_mcrypt_set_key(key2, (void *)keyword, _mcrypt_get_key_size(),
NULL, 0);
free(keyword);
_mcrypt_decrypt(key2, (void *)ciphertext, blocksize);
free(key2);
if (memcmp(ciphertext, plaintext, blocksize) != 0) {
printf("failed internally\n");
return -1;
}
return 0;
}
WIN32DLL_DEFINE int _mcrypt_self_test()
{
char *keyword;
unsigned char plaintext[16];
unsigned char ciphertext[16];
int blocksize = _mcrypt_get_block_size(), j;
void *key;
unsigned char cipher_tmp[200];
keyword = calloc(1, _mcrypt_get_key_size());
if (keyword == NULL)
return -1;
for (j = 0; j < _mcrypt_get_key_size(); j++) {
keyword[j] = ((j * 2 + 10) % 256);
}
for (j = 0; j < blocksize; j++) {
plaintext[j] = j % 256;
}
key = malloc(_mcrypt_get_size());
if (key == NULL)
return -1;
memcpy(ciphertext, plaintext, blocksize);
_mcrypt_set_key(key, (void *) keyword, _mcrypt_get_key_size());
free(keyword);
_mcrypt_encrypt(key, (void *) ciphertext);
for (j = 0; j < blocksize; j++) {
sprintf(&((char *) cipher_tmp)[2 * j], "%.2x",
ciphertext[j]);
}
if (strcmp((char *) cipher_tmp, CIPHER) != 0) {
printf("failed compatibility\n");
printf("Expected: %s\nGot: %s\n", CIPHER,
(char *) cipher_tmp);
free(key);
return -1;
}
_mcrypt_decrypt(key, (void *) ciphertext);
free(key);
if (strcmp((const char *)ciphertext, (const char *)plaintext) != 0) {
printf("failed internally\n");
return -1;
}
return 0;
}
WIN32DLL_DEFINE
void _mcrypt_decrypt(WAKE_KEY * wake_key, byte * input, int len)
{
register word32 r3, r4, r5;
word32 r6;
int i;
if (len == 0)
return;
r3 = wake_key->r[0];
r4 = wake_key->r[1];
r5 = wake_key->r[2];
r6 = wake_key->r[3];
#ifdef USE_IV
if (wake_key->started == 0) {
wake_key->started = 1;
_mcrypt_encrypt(wake_key, (byte *)& wake_key->iv,
wake_key->ivsize);
wake_key->r[0] = r3;
wake_key->r[1] = r4;
wake_key->r[2] = r5;
wake_key->r[3] = r6;
_mcrypt_decrypt(wake_key, (byte *)& wake_key->iv,
wake_key->ivsize);
}
#endif
for (i = 0; i < len; i++) {
/* R1 = V[n] */
((byte *)& r1)[counter] = input[i];
/* R2 = V[n] = V[n] ^ R6 */
/* R2 is ignored */
input[i] ^= ((byte *)& r6)[counter];
counter++;
if (counter == 4) {
counter = 0;
#ifdef WORDS_BIGENDIAN
r1 = byteswap32(r1);
r6 = byteswap32(r6);
#endif
r3 = M(r3, r1);
r4 = M(r4, r3);
r5 = M(r5, r4);
r6 = M(r6, r5);
#ifdef WORDS_BIGENDIAN
r6 = byteswap32(r6);
#endif
}
}
wake_key->r[0] = r3;
wake_key->r[1] = r4;
wake_key->r[2] = r5;
wake_key->r[3] = r6;
}