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/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2016 Mirantis, Inc.
*
* Author: Adam Kupczyk <akupczyk@mirantis.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/isa-l/isal_crypto_accel.h"
#include "crypto/isa-l/isa-l_crypto/include/aes_cbc.h"
bool ISALCryptoAccel::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;
}
alignas(16) struct cbc_key_data keys_blk;
aes_cbc_precomp(const_cast<unsigned char*>(&key[0]), AES_256_KEYSIZE, &keys_blk);
aes_cbc_enc_256(const_cast<unsigned char*>(in),
const_cast<unsigned char*>(&iv[0]), keys_blk.enc_keys, out, size);
return true;
}
bool ISALCryptoAccel::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;
}
alignas(16) struct cbc_key_data keys_blk;
aes_cbc_precomp(const_cast<unsigned char*>(&key[0]), AES_256_KEYSIZE, &keys_blk);
aes_cbc_dec_256(const_cast<unsigned char*>(in), const_cast<unsigned char*>(&iv[0]), keys_blk.dec_keys, out, size);
return true;
}
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