include/crypto/siv.h

   1 /*
   2  * Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #ifndef OPENSSL_NO_SIV
  11
  12 typedef struct siv128_context SIV128_CONTEXT;
  13
  14 SIV128_CONTEXT *CRYPTO_siv128_new(const unsigned char *key, int klen,
  15                                   EVP_CIPHER *cbc, EVP_CIPHER *ctr,
  16                                   OPENSSL_CTX *libctx, const char *propq);
  17 int CRYPTO_siv128_init(SIV128_CONTEXT *ctx, const unsigned char *key, int klen,
  18                        const EVP_CIPHER *cbc, const EVP_CIPHER *ctr,
  19                        OPENSSL_CTX *libctx, const char *propq);
  20 int CRYPTO_siv128_copy_ctx(SIV128_CONTEXT *dest, SIV128_CONTEXT *src);
  21 int CRYPTO_siv128_aad(SIV128_CONTEXT *ctx, const unsigned char *aad,
  22                       size_t len);
  23 int CRYPTO_siv128_encrypt(SIV128_CONTEXT *ctx,
  24                           const unsigned char *in, unsigned char *out,
  25                           size_t len);
  26 int CRYPTO_siv128_decrypt(SIV128_CONTEXT *ctx,
  27                           const unsigned char *in, unsigned char *out,
  28                           size_t len);
  29 int CRYPTO_siv128_finish(SIV128_CONTEXT *ctx);
  30 int CRYPTO_siv128_set_tag(SIV128_CONTEXT *ctx, const unsigned char *tag,
  31                           size_t len);
  32 int CRYPTO_siv128_get_tag(SIV128_CONTEXT *ctx, unsigned char *tag, size_t len);
  33 int CRYPTO_siv128_cleanup(SIV128_CONTEXT *ctx);
  34 int CRYPTO_siv128_speed(SIV128_CONTEXT *ctx, int arg);
  35
  36 #endif /* OPENSSL_NO_SIV */