#include <stdio.h>
#include <string.h>
#include <openssl/aes.h>

static void print_hex(unsigned char *str, int len)
{
	int i;
	for (i = 0; i < len; ++i)
		printf("%02x", str[i]);
	printf("\n");
}

unsigned char key[] = { 0xfb,0xf5,0x4c,0x84,0x9e,0x5a,0xbd,0xe8,0x5a,0xf2,0xed,0x17,0xd9,0xe4,0x30,0x32 };
unsigned char in[] = { 0x46,0xbf,0xac,0x7f,0xb8,0x7c,0xd4,0x3b,0xd0,0xab,0x54,0xeb,0xc2,0x1c,0x12,0x0d,0xf5,0xfa,0xb7,0xe6,0xf1,0x13,0x75,0xe7,0x9e,0xe0,0x44,0xe6,0x63,0x64,0x1d,0x5e };
unsigned char iv[] = { 0xf5,0xfa,0xb7,0xe6,0xf1,0x13,0x75,0xe7,0x9e,0xe0,0x44,0xe6,0x63,0x64,0x1d,0x5e };


int main()
{
	unsigned char out[32];
	AES_KEY akey;
     	memset(&akey, 0, sizeof(AES_KEY));
	if(AES_set_decrypt_key(key, 128, &akey) < 0) {
		fprintf(stderr, "AES_set_derypt_key failed!\n");
		return 0;
	}
	AES_cbc_encrypt(in, out, 32, &akey, iv, AES_DECRYPT);
	printf("key : ");
	print_hex(key, 16);
	printf("input : ");
	print_hex(in, 32);
	printf("iv : ");
	print_hex(iv, 16);
	printf("output : ");
	print_hex(out, 32);

	return 0;
}