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-types.h"
  19
  20 typedef struct QCryptoCipherDriver QCryptoCipherDriver;
  21
  22 struct QCryptoCipherDriver {
  23     int (*cipher_encrypt)(QCryptoCipher *cipher,
  24                           const void *in,
  25                           void *out,
  26                           size_t len,
  27                           Error **errp);
  28
  29     int (*cipher_decrypt)(QCryptoCipher *cipher,
  30                           const void *in,
  31                           void *out,
  32                           size_t len,
  33                           Error **errp);
  34
  35     int (*cipher_setiv)(QCryptoCipher *cipher,
  36                         const uint8_t *iv, size_t niv,
  37                         Error **errp);
  38
  39     void (*cipher_free)(QCryptoCipher *cipher);
  40 };
  41
  42 #ifdef CONFIG_AF_ALG
  43
  44 #include "afalgpriv.h"
  45
  46 extern QCryptoAFAlg *
  47 qcrypto_afalg_cipher_ctx_new(QCryptoCipherAlgorithm alg,
  48                              QCryptoCipherMode mode,
  49                              const uint8_t *key,
  50                              size_t nkey, Error **errp);
  51
  52 extern struct QCryptoCipherDriver qcrypto_cipher_afalg_driver;
  53
  54 #endif
  55
  56 #endif