crypto/evp/legacy_meth.h

   1 /*
   2  * Copyright 2019 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 #define IMPLEMENT_LEGACY_EVP_MD_METH(nm, fn)                                   \
  11 static int nm##_init(EVP_MD_CTX *ctx)                                          \
  12 {                                                                              \
  13     return fn##_Init(EVP_MD_CTX_md_data(ctx));                                 \
  14 }                                                                              \
  15 static int nm##_update(EVP_MD_CTX *ctx, const void *data, size_t count)        \
  16 {                                                                              \
  17     return fn##_Update(EVP_MD_CTX_md_data(ctx), data, count);                  \
  18 }                                                                              \
  19 static int nm##_final(EVP_MD_CTX *ctx, unsigned char *md)                      \
  20 {                                                                              \
  21     return fn##_Final(md, EVP_MD_CTX_md_data(ctx));                            \
  22 }
  23
  24 #define IMPLEMENT_LEGACY_EVP_MD_METH_LC(nm, fn)                                \
  25 static int nm##_init(EVP_MD_CTX *ctx)                                          \
  26 {                                                                              \
  27     return fn##_init(EVP_MD_CTX_md_data(ctx));                                 \
  28 }                                                                              \
  29 static int nm##_update(EVP_MD_CTX *ctx, const void *data, size_t count)        \
  30 {                                                                              \
  31     return fn##_update(EVP_MD_CTX_md_data(ctx), data, count);                  \
  32 }                                                                              \
  33 static int nm##_final(EVP_MD_CTX *ctx, unsigned char *md)                      \
  34 {                                                                              \
  35     return fn##_final(md, EVP_MD_CTX_md_data(ctx));                            \
  36 }
  37
  38
  39 #define LEGACY_EVP_MD_METH_TABLE(init, update, final, ctrl, blksz)             \
  40     init, update, final, NULL, NULL, blksz, 0, ctrl