include/openssl/md2.h

   1 /*
   2  * Copyright 1995-2016 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_MD2_H
  11 # define OPENSSL_MD2_H
  12 # pragma once
  13
  14 # include <openssl/macros.h>
  15 # ifndef OPENSSL_NO_DEPRECATED_3_0
  16 #  define HEADER_MD2_H
  17 # endif
  18
  19 # include <openssl/opensslconf.h>
  20
  21 # ifndef OPENSSL_NO_MD2
  22 #  include <stddef.h>
  23 #  ifdef  __cplusplus
  24 extern "C" {
  25 #  endif
  26
  27 typedef unsigned char MD2_INT;
  28
  29 #  define MD2_DIGEST_LENGTH       16
  30 #  define MD2_BLOCK               16
  31
  32 typedef struct MD2state_st {
  33     unsigned int num;
  34     unsigned char data[MD2_BLOCK];
  35     MD2_INT cksm[MD2_BLOCK];
  36     MD2_INT state[MD2_BLOCK];
  37 } MD2_CTX;
  38
  39 const char *MD2_options(void);
  40 int MD2_Init(MD2_CTX *c);
  41 int MD2_Update(MD2_CTX *c, const unsigned char *data, size_t len);
  42 int MD2_Final(unsigned char *md, MD2_CTX *c);
  43 unsigned char *MD2(const unsigned char *d, size_t n, unsigned char *md);
  44
  45 #  ifdef  __cplusplus
  46 }
  47 #  endif
  48 # endif
  49
  50 #endif