void testdecrypt(uint8_t *block, uint8_t *key){
cli_putstr("\r\n==testy-decrypt==\r\n key: ");
cli_hexdump(key,10);
cli_putstr("\r\n crypt: ");
cli_hexdump(block,8);
skipjack_dec(block,key);
cli_putstr("\r\n plain: ");
cli_hexdump(block,8);
}
int test_enc(const void *buffer, void *key){
uint8_t data[8];
int r;
memcpy(data, buffer, 8);
skipjack_enc(data, key);
cli_putstr_P(PSTR(" key = "));
cli_hexdump(key, 10);
cli_putstr_P(PSTR(" plaintext = "));
cli_hexdump(buffer, 8);
cli_putstr_P(PSTR(" ciphertext = "));
cli_hexdump(data, 8);
skipjack_dec(data, key);
r = memcmp(data, buffer, 8);
cli_putstr_P(PSTR(" decrypt: "));
if(r){
cli_putstr_P(PSTR("fail"));
}else{
cli_putstr_P(PSTR("ok"));
}
return r;
}
int main() {
iu8 inp[8] = { 0x33, 0x22, 0x11, 0x00, 0xdd, 0xcc, 0xbb, 0xaa };
iu8 key[10] = { 0x00, 0x99, 0x88, 0x77, 0x66, 0x55, 0x44, 0x33, 0x22, 0x11 };
iu8 enc[8], dec[8];
iu8 chk[8] = { 0x25, 0x87, 0xca, 0xe2, 0x7a, 0x12, 0xd3, 0x00 };
iu8 tab[10][256];
long i;
clock_t elapsed;
memcpy( enc, inp, 8 );
skipjack_enc( enc, key );
printf((memcmp(enc, chk, 8) == 0) ? "encryption OK!\n" : "encryption failure!\n");
memcpy( dec, enc, 8 );
skipjack_dec( dec, key );
printf((memcmp(dec, inp, 8) == 0) ? "decryption OK!\n" : "decryption failure!\n");
elapsed = -clock();
for (i = 0; i < 1000000L; i++) {
skipjack_enc( enc, key );
}
elapsed += clock();
printf ("elapsed time: %.1f s.\n", (float)elapsed/CLOCKS_PER_SEC);
return 0;
}