include/openssl/mac.h

   1 /*
   2  * Copyright 2019-2020=-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 /* MAC stuff */
  11
  12 #ifndef OPENSSL_EVP_MAC_H
  13 # define OPENSSL_EVP_MAC_H
  14 # pragma once
  15
  16 # include <openssl/opensslconf.h>
  17 # include <openssl/types.h>
  18 # include <openssl/core.h>
  19
  20 # ifdef __cplusplus
  21 extern "C" {
  22 # endif
  23
  24 EVP_MAC *EVP_MAC_fetch(OPENSSL_CTX *libctx, const char *algorithm,
  25                        const char *properties);
  26 int EVP_MAC_up_ref(EVP_MAC *mac);
  27 void EVP_MAC_free(EVP_MAC *mac);
  28 int EVP_MAC_number(const EVP_MAC *mac);
  29 int EVP_MAC_is_a(const EVP_MAC *mac, const char *name);
  30 const OSSL_PROVIDER *EVP_MAC_provider(const EVP_MAC *mac);
  31 int EVP_MAC_get_params(EVP_MAC *mac, OSSL_PARAM params[]);
  32
  33 EVP_MAC_CTX *EVP_MAC_new_ctx(EVP_MAC *mac);
  34 void EVP_MAC_free_ctx(EVP_MAC_CTX *ctx);
  35 EVP_MAC_CTX *EVP_MAC_dup_ctx(const EVP_MAC_CTX *src);
  36 EVP_MAC *EVP_MAC_get_ctx_mac(EVP_MAC_CTX *ctx);
  37 int EVP_MAC_get_ctx_params(EVP_MAC_CTX *ctx, OSSL_PARAM params[]);
  38 int EVP_MAC_set_ctx_params(EVP_MAC_CTX *ctx, const OSSL_PARAM params[]);
  39
  40 size_t EVP_MAC_size(EVP_MAC_CTX *ctx);
  41 int EVP_MAC_init(EVP_MAC_CTX *ctx);
  42 int EVP_MAC_update(EVP_MAC_CTX *ctx, const unsigned char *data, size_t datalen);
  43 int EVP_MAC_final(EVP_MAC_CTX *ctx,
  44                   unsigned char *out, size_t *outl, size_t outsize);
  45 const OSSL_PARAM *EVP_MAC_gettable_params(const EVP_MAC *mac);
  46 const OSSL_PARAM *EVP_MAC_gettable_ctx_params(const EVP_MAC *mac);
  47 const OSSL_PARAM *EVP_MAC_settable_ctx_params(const EVP_MAC *mac);
  48
  49 void EVP_MAC_do_all_provided(OPENSSL_CTX *libctx,
  50                              void (*fn)(EVP_MAC *mac, void *arg),
  51                              void *arg);
  52 void EVP_MAC_names_do_all(const EVP_MAC *mac,
  53                           void (*fn)(const char *name, void *data),
  54                           void *data);
  55
  56 # ifdef __cplusplus
  57 }
  58 # endif
  59 #endif /* OPENSSL_EVP_MAC_H */