1 /*
2  * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the OpenSSL license (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 HEADER_MD2_H
11 # define HEADER_MD2_H
12 
13 # include <openssl/opensslconf.h>
14 
15 # ifndef OPENSSL_NO_MD2
16 # include <stddef.h>
17 # ifdef  __cplusplus
18 extern "C" {
19 # endif
20 
21 typedef unsigned char MD2_INT;
22 
23 # define MD2_DIGEST_LENGTH       16
24 # define MD2_BLOCK               16
25 
26 typedef struct MD2state_st {
27     unsigned int num;
28     unsigned char data[MD2_BLOCK];
29     MD2_INT cksm[MD2_BLOCK];
30     MD2_INT state[MD2_BLOCK];
31 } MD2_CTX;
32 
33 const char *MD2_options(void);
34 int MD2_Init(MD2_CTX *c);
35 int MD2_Update(MD2_CTX *c, const unsigned char *data, size_t len);
36 int MD2_Final(unsigned char *md, MD2_CTX *c);
37 unsigned char *MD2(const unsigned char *d, size_t n, unsigned char *md);
38 
39 # ifdef  __cplusplus
40 }
41 # endif
42 # endif
43 
44 #endif
45