release/src/router/cyassl/include/openssl/evp.h

   1 /* evp.h
   2  *
   3  * Copyright (C) 2011 Sawtooth Consulting Ltd.
   4  *
   5  * This file is part of CyaSSL.
   6  *
   7  * CyaSSL is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * CyaSSL 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
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  20  */
  21
  22
  23 /*  evp.h defines mini evp openssl compatibility layer
  24  *
  25  */
  26
  27
  28
  29 #ifndef CYASSL_EVP_H_
  30 #define CYASSL_EVP_H_
  31
  32 #ifdef YASSL_PREFIX
  33 #include "prefix_evp.h"
  34 #endif
  35
  36 #include "md5.h"
  37 #include "sha.h"
  38
  39
  40 #ifdef __cplusplus
  41     extern "C" {
  42 #endif
  43
  44 typedef char EVP_MD;
  45 typedef char EVP_CIPHER;
  46
  47 const EVP_MD* EVP_md5(void);
  48 const EVP_MD* EVP_sha1(void);
  49
  50
  51 typedef union {
  52     MD5_CTX md5;
  53     SHA_CTX sha;
  54 } Hasher;
  55
  56
  57 typedef struct EVP_MD_CTX {
  58     unsigned char macType;               /* md5 or sha for now */
  59     Hasher        hash;
  60 } EVP_MD_CTX;
  61
  62
  63 void EVP_MD_CTX_init(EVP_MD_CTX* ctx);
  64 int  EVP_MD_CTX_cleanup(EVP_MD_CTX* ctx);
  65
  66 int EVP_DigestInit(EVP_MD_CTX* ctx, const EVP_MD* type);
  67 int EVP_DigestUpdate(EVP_MD_CTX* ctx, const void* data, size_t sz);
  68 int EVP_DigestFinal(EVP_MD_CTX* ctx, unsigned char* md, unsigned int* s);
  69 int EVP_DigestFinal_ex(EVP_MD_CTX* ctx, unsigned char* md, unsigned int* s);
  70
  71 int EVP_BytesToKey(const EVP_CIPHER*, const EVP_MD*, const unsigned char*,
  72                 const unsigned char*, int, int, unsigned char*, unsigned char*);
  73
  74 #ifdef __cplusplus
  75     } /* extern "C" */
  76 #endif
  77
  78
  79 #endif /* CYASSL_EVP_H_ */