Hello,
I'm having trouble using AES_cfb128_encrypt() - I've isolated it to the
simple example below. The problem is that the decryption doesn't work -
the output (in buf3) is binary gibberish.
SHA256(key, key_size, enc_key);
AES_set_encrypt_key(enc_key, 256, &aes_enc_key);
AES_set_decrypt_key(enc_key, 256, &aes_dec_key);
memcpy(buf1, str, str_size);
dump_data(buf1, str_size, "1");
num = 0;
memset(iv, 0, 16);
AES_cfb128_encrypt(buf1, buf2, str_size, &aes_enc_key, iv, &num,
AES_ENCRYPT);
dump_data(buf2, str_size, "2");
num = 0;
memset(iv, 0, 16);
AES_cfb128_encrypt(buf2, buf3, str_size, &aes_dec_key, iv, &num,
AES_DECRYPT);
dump_data(buf3, str_size, "3");
It looks like there may be something I'm missing here... any ideas?
The whole test program is at http://goo.gl/k0QnL .
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