source: rtems/cpukit/pppd/md4.h @ a85d8ec

4.104.114.84.95
Last change on this file since a85d8ec was d0950ad, checked in by Joel Sherrill <joel.sherrill@…>, on 11/30/99 at 22:12:50

Added port of ppp-2.3.5 from Tomasz Domin <dot@…> of ComArch? SA.
Tomasz only tested this on the mpc823.

The official site for the original source for this PPP implementation is:

ftp://cs.anu.edu.au/pub/software/ppp

NOTE: As of 11/30/1999, the current version of this source is 2.3.10.

  • Property mode set to 100644
File size: 2.1 KB
Line 
1
2/*
3** ********************************************************************
4** md4.h -- Header file for implementation of                        **
5** MD4 Message Digest Algorithm                                      **
6** Updated: 2/13/90 by Ronald L. Rivest                              **
7** (C) 1990 RSA Data Security, Inc.                                  **
8** ********************************************************************
9*/
10
11#ifndef __P
12# if defined(__STDC__) || defined(__GNUC__)
13#  define __P(x) x
14# else
15#  define __P(x) ()
16# endif
17#endif
18
19
20/* MDstruct is the data structure for a message digest computation.
21*/
22typedef struct {
23        unsigned int buffer[4]; /* Holds 4-word result of MD computation */
24        unsigned char count[8]; /* Number of bits processed so far */
25        unsigned int done;      /* Nonzero means MD computation finished */
26} MD4_CTX;
27
28/* MD4Init(MD4_CTX *)
29** Initialize the MD4_CTX prepatory to doing a message digest
30** computation.
31*/
32extern void MD4Init __P((MD4_CTX *MD));
33
34/* MD4Update(MD,X,count)
35** Input: X -- a pointer to an array of unsigned characters.
36**        count -- the number of bits of X to use (an unsigned int).
37** Updates MD using the first "count" bits of X.
38** The array pointed to by X is not modified.
39** If count is not a multiple of 8, MD4Update uses high bits of
40** last byte.
41** This is the basic input routine for a user.
42** The routine terminates the MD computation when count < 512, so
43** every MD computation should end with one call to MD4Update with a
44** count less than 512.  Zero is OK for a count.
45*/
46extern void MD4Update __P((MD4_CTX *MD, unsigned char *X, unsigned int count));
47
48/* MD4Print(MD)
49** Prints message digest buffer MD as 32 hexadecimal digits.
50** Order is from low-order byte of buffer[0] to high-order byte
51** of buffer[3].
52** Each byte is printed with high-order hexadecimal digit first.
53*/
54extern void MD4Print __P((MD4_CTX *));
55
56/* MD4Final(buf, MD)
57** Returns message digest from MD and terminates the message
58** digest computation.
59*/
60extern void MD4Final __P((unsigned char *, MD4_CTX *));
61
62/*
63** End of md4.h
64****************************(cut)***********************************/
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