crypto/cipherpriv.h

   1 /*
   2  * QEMU Crypto cipher driver supports
   3  *
   4  * Copyright (c) 2017 HUAWEI TECHNOLOGIES CO., LTD.
   5  *
   6  * Authors:
   7  *    Longpeng(Mike) <longpeng2@huawei.com>
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2 or
  10  * (at your option) any later version.  See the COPYING file in the
  11  * top-level directory.
  12  *
  13  */
  14
  15 #ifndef QCRYPTO_CIPHERPRIV_H
  16 #define QCRYPTO_CIPHERPRIV_H
  17
  18 #include "qapi/qapi-types-crypto.h"
  19
  20 struct QCryptoCipherDriver {
  21     int (*cipher_encrypt)(QCryptoCipher *cipher,
  22                           const void *in,
  23                           void *out,
  24                           size_t len,
  25                           Error **errp);
  26
  27     int (*cipher_decrypt)(QCryptoCipher *cipher,
  28                           const void *in,
  29                           void *out,
  30                           size_t len,
  31                           Error **errp);
  32
  33     int (*cipher_setiv)(QCryptoCipher *cipher,
  34                         const uint8_t *iv, size_t niv,
  35                         Error **errp);
  36
  37     void (*cipher_free)(QCryptoCipher *cipher);
  38 };
  39
  40 #ifdef CONFIG_AF_ALG
  41
  42 #include "afalgpriv.h"
  43
  44 extern QCryptoCipher *
  45 qcrypto_afalg_cipher_ctx_new(QCryptoCipherAlgorithm alg,
  46                              QCryptoCipherMode mode,
  47                              const uint8_t *key,
  48                              size_t nkey, Error **errp);
  49
  50 #endif
  51
  52 #endif