crypto/akcipherpriv.h

   1 /*
   2  * QEMU Crypto asymmetric algorithms
   3  *
   4  * Copyright (c) 2022 Bytedance
   5  * Author: zhenwei pi <pizhenwei@bytedance.com>
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 #ifndef QCRYPTO_AKCIPHERPRIV_H
  23 #define QCRYPTO_AKCIPHERPRIV_H
  24
  25 #include "qapi/qapi-types-crypto.h"
  26
  27 typedef struct QCryptoAkCipherDriver QCryptoAkCipherDriver;
  28
  29 struct QCryptoAkCipher {
  30     QCryptoAkCipherAlgo alg;
  31     QCryptoAkCipherKeyType type;
  32     int max_plaintext_len;
  33     int max_ciphertext_len;
  34     int max_signature_len;
  35     int max_dgst_len;
  36     QCryptoAkCipherDriver *driver;
  37 };
  38
  39 struct QCryptoAkCipherDriver {
  40     int (*encrypt)(QCryptoAkCipher *akcipher,
  41                    const void *in, size_t in_len,
  42                    void *out, size_t out_len, Error **errp);
  43     int (*decrypt)(QCryptoAkCipher *akcipher,
  44                    const void *out, size_t out_len,
  45                    void *in, size_t in_len, Error **errp);
  46     int (*sign)(QCryptoAkCipher *akcipher,
  47                 const void *in, size_t in_len,
  48                 void *out, size_t out_len, Error **errp);
  49     int (*verify)(QCryptoAkCipher *akcipher,
  50                   const void *in, size_t in_len,
  51                   const void *in2, size_t in2_len, Error **errp);
  52     void (*free)(QCryptoAkCipher *akcipher);
  53 };
  54
  55 #endif /* QCRYPTO_AKCIPHER_H */