xref: /nrf52832-nimble/rt-thread/components/net/lwip-1.4.1/src/netif/ppp/md5.h (revision 104654410c56c573564690304ae786df310c91fc)
1*10465441SEvalZero /*
2*10465441SEvalZero  ***********************************************************************
3*10465441SEvalZero  ** md5.h -- header file for implementation of MD5                    **
4*10465441SEvalZero  ** RSA Data Security, Inc. MD5 Message-Digest Algorithm              **
5*10465441SEvalZero  ** Created: 2/17/90 RLR                                              **
6*10465441SEvalZero  ** Revised: 12/27/90 SRD,AJ,BSK,JT Reference C version               **
7*10465441SEvalZero  ** Revised (for MD5): RLR 4/27/91                                    **
8*10465441SEvalZero  **   -- G modified to have y&~z instead of y&z                       **
9*10465441SEvalZero  **   -- FF, GG, HH modified to add in last register done             **
10*10465441SEvalZero  **   -- Access pattern: round 2 works mod 5, round 3 works mod 3     **
11*10465441SEvalZero  **   -- distinct additive constant for each step                     **
12*10465441SEvalZero  **   -- round 4 added, working mod 7                                 **
13*10465441SEvalZero  ***********************************************************************
14*10465441SEvalZero  */
15*10465441SEvalZero 
16*10465441SEvalZero /*
17*10465441SEvalZero  ***********************************************************************
18*10465441SEvalZero  ** Copyright (C) 1990, RSA Data Security, Inc. All rights reserved.  **
19*10465441SEvalZero  **                                                                   **
20*10465441SEvalZero  ** License to copy and use this software is granted provided that    **
21*10465441SEvalZero  ** it is identified as the "RSA Data Security, Inc. MD5 Message-     **
22*10465441SEvalZero  ** Digest Algorithm" in all material mentioning or referencing this  **
23*10465441SEvalZero  ** software or this function.                                        **
24*10465441SEvalZero  **                                                                   **
25*10465441SEvalZero  ** License is also granted to make and use derivative works          **
26*10465441SEvalZero  ** provided that such works are identified as "derived from the RSA  **
27*10465441SEvalZero  ** Data Security, Inc. MD5 Message-Digest Algorithm" in all          **
28*10465441SEvalZero  ** material mentioning or referencing the derived work.              **
29*10465441SEvalZero  **                                                                   **
30*10465441SEvalZero  ** RSA Data Security, Inc. makes no representations concerning       **
31*10465441SEvalZero  ** either the merchantability of this software or the suitability    **
32*10465441SEvalZero  ** of this software for any particular purpose.  It is provided "as  **
33*10465441SEvalZero  ** is" without express or implied warranty of any kind.              **
34*10465441SEvalZero  **                                                                   **
35*10465441SEvalZero  ** These notices must be retained in any copies of any part of this  **
36*10465441SEvalZero  ** documentation and/or software.                                    **
37*10465441SEvalZero  ***********************************************************************
38*10465441SEvalZero  */
39*10465441SEvalZero 
40*10465441SEvalZero #ifndef MD5_H
41*10465441SEvalZero #define MD5_H
42*10465441SEvalZero 
43*10465441SEvalZero /* Data structure for MD5 (Message-Digest) computation */
44*10465441SEvalZero typedef struct {
45*10465441SEvalZero   u32_t i[2];               /* number of _bits_ handled mod 2^64 */
46*10465441SEvalZero   u32_t buf[4];             /* scratch buffer */
47*10465441SEvalZero   unsigned char in[64];     /* input buffer */
48*10465441SEvalZero   unsigned char digest[16]; /* actual digest after MD5Final call */
49*10465441SEvalZero } MD5_CTX;
50*10465441SEvalZero 
51*10465441SEvalZero void MD5Init  ( MD5_CTX *mdContext);
52*10465441SEvalZero void MD5Update( MD5_CTX *mdContext, unsigned char *inBuf, unsigned int inLen);
53*10465441SEvalZero void MD5Final ( unsigned char hash[], MD5_CTX *mdContext);
54*10465441SEvalZero 
55*10465441SEvalZero #endif /* MD5_H */
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