xref: /dragonfly/contrib/pam_passwdqc/md4.h (revision 655933d6)
1 /*
2  * This is an OpenSSL API compatible (but not ABI compatible) implementation
3  * of the RSA Data Security, Inc. MD4 Message-Digest Algorithm (RFC 1320).
4  *
5  * Homepage:
6  * https://openwall.info/wiki/people/solar/software/public-domain-source-code/md4
7  *
8  * Author:
9  * Alexander Peslyak, better known as Solar Designer <solar at openwall.com>
10  *
11  * This software was written by Alexander Peslyak in 2001.  No copyright is
12  * claimed, and the software is hereby placed in the public domain.
13  * In case this attempt to disclaim copyright and place the software in the
14  * public domain is deemed null and void, then the software is
15  * Copyright (c) 2001 Alexander Peslyak and it is hereby released to the
16  * general public under the following terms:
17  *
18  * Redistribution and use in source and binary forms, with or without
19  * modification, are permitted.
20  *
21  * There's ABSOLUTELY NO WARRANTY, express or implied.
22  *
23  * See md4.c for more information.
24  */
25 
26 #ifdef HAVE_OPENSSL
27 #include <openssl/md4.h>
28 #elif !defined(_MD4_H)
29 #define _MD4_H
30 
31 #include <stddef.h> /* for size_t */
32 
33 /* Any 32-bit or wider unsigned integer data type will do */
34 typedef unsigned int MD4_u32plus;
35 
36 typedef struct {
37 	MD4_u32plus lo, hi;
38 	MD4_u32plus a, b, c, d;
39 	unsigned char buffer[64];
40 #if !(defined(__i386__) || defined(__x86_64__) || defined(__vax__))
41 	MD4_u32plus block[16];
42 #endif
43 } MD4_CTX;
44 
45 extern void MD4_Init(MD4_CTX *ctx);
46 extern void MD4_Update(MD4_CTX *ctx, const void *data, size_t size);
47 extern void MD4_Final(unsigned char *result, MD4_CTX *ctx);
48 
49 #endif
50