crypto/ivgenpriv.h

   1 /*
   2  * QEMU Crypto block IV generator
   3  *
   4  * Copyright (c) 2015-2016 Red Hat, Inc.
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20
  21 #ifndef QCRYPTO_IVGENPRIV_H
  22 #define QCRYPTO_IVGENPRIV_H
  23
  24 #include "crypto/ivgen.h"
  25
  26 typedef struct QCryptoIVGenDriver QCryptoIVGenDriver;
  27
  28 struct QCryptoIVGenDriver {
  29     int (*init)(QCryptoIVGen *ivgen,
  30                 const uint8_t *key, size_t nkey,
  31                 Error **errp);
  32     int (*calculate)(QCryptoIVGen *ivgen,
  33                      uint64_t sector,
  34                      uint8_t *iv, size_t niv,
  35                      Error **errp);
  36     void (*cleanup)(QCryptoIVGen *ivgen);
  37 };
  38
  39 struct QCryptoIVGen {
  40     QCryptoIVGenDriver *driver;
  41     void *private;
  42
  43     QCryptoIVGenAlgorithm algorithm;
  44     QCryptoCipherAlgorithm cipher;
  45     QCryptoHashAlgorithm hash;
  46 };
  47
  48
  49 #endif /* QCRYPTO_IVGENPRIV_H */