qemu/crypto/ivgenpriv.h
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   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 2.1 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
  26typedef struct QCryptoIVGenDriver QCryptoIVGenDriver;
  27
  28struct 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
  39struct 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 */
  50