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/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2017 Intel Corporation
*
* Author: Qiaowei Ren <qiaowei.ren@intel.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
*/
#include "crypto/openssl/openssl_crypto_accel.h"
#include <openssl/aes.h>
bool OpenSSLCryptoAccel::cbc_encrypt(unsigned char* out, const unsigned char* in, size_t size,
const unsigned char (&iv)[AES_256_IVSIZE],
const unsigned char (&key)[AES_256_KEYSIZE])
{
if ((size % AES_256_IVSIZE) != 0) {
return false;
}
AES_KEY aes_key;
if (AES_set_encrypt_key(const_cast<unsigned char*>(&key[0]), 256, &aes_key) < 0)
return false;
AES_cbc_encrypt(const_cast<unsigned char*>(in), out, size, &aes_key,
const_cast<unsigned char*>(&iv[0]), AES_ENCRYPT);
return true;
}
bool OpenSSLCryptoAccel::cbc_decrypt(unsigned char* out, const unsigned char* in, size_t size,
const unsigned char (&iv)[AES_256_IVSIZE],
const unsigned char (&key)[AES_256_KEYSIZE])
{
if ((size % AES_256_IVSIZE) != 0) {
return false;
}
AES_KEY aes_key;
if (AES_set_decrypt_key(const_cast<unsigned char*>(&key[0]), 256, &aes_key) < 0)
return false;
AES_cbc_encrypt(const_cast<unsigned char*>(in), out, size, &aes_key,
const_cast<unsigned char*>(&iv[0]), AES_DECRYPT);
return true;
}
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