/* AES128 encryption: Given AES128 key and 16 bytes plain text, cipher text of 16 bytes is computed. The AES implementation is in mode ECB (Electronic Code Book). 
aes_encrypt */
void aes_encrypt(UINT8 *state, UINT8 *key)
/* AES128 encryption: Given AES128 key and 16 bytes plain text, cipher text of 16 bytes is computed. The AES implementation is in mode ECB (Electronic Code Book). 
aes_encrypt */
void aes_encrypt(UINT8 *state, UINT8 *key)
{
	expandKey(expandedKey, key);       
	aes_encr(state, expandedKey);
}