int main()
{
unsigned char key[16];
fread(key, sizeof(unsigned char), 16, stdin);
aes_encrypt_128(key, stdin, stdout);
return 0;
}
int main(int argc, char *argv[]) {
uint8_t i, r;
/* 128 bit key */
uint8_t key[] = {
0x0f, 0x15, 0x71, 0xc9, 0x47, 0xd9, 0xe8, 0x59,
0x0c, 0xb7, 0xad, 0xd6, 0xaf, 0x7f, 0x67, 0x98};
uint8_t plain[] = {
0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10};
uint8_t cipher[BLOCK_SIZE_BYTE];
uint8_t roundkeys[ROUND_KEY_SIZE];
printf("\n--------------------------------------------------------\n");
// key schedule
aes_key_schedule_128(key, roundkeys);
printf("Key:\n");
for ( r = 0; r <= ROUNDS; r++ ) {
for (i = 0; i < BLOCK_SIZE_BYTE; i++) {
printf("%2x ", roundkeys[r*BLOCK_SIZE_BYTE+i]);
}
printf("\n");
}
printf("\n\n");
// encryption
// cipher text should be: 0x ff b 84 4a 8 53 bf 7c 69 34 ab 43 64 14 8f b9
aes_encrypt_128(roundkeys, plain, cipher);
printf("Cipher text:\n");
for (i = 0; i < BLOCK_SIZE_BYTE; i++) {
printf("%2x ", cipher[i]);
}
printf("\n\n");
// decryption
aes_decrypt_128(roundkeys, cipher, plain);
printf("Plain text:\n");
for (i = 0; i < BLOCK_SIZE_BYTE; i++) {
printf("%2x ", plain[i]);
}
printf("\n");
return 0;
}