Commit | Line | Data |
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c627d613 AT |
1 | /* |
2 | This code is from rfc1186. | |
3 | */ | |
4 | ||
5 | /* | |
6 | ** ******************************************************************** | |
7 | ** md4.h -- Header file for implementation of ** | |
8 | ** MD4 Message Digest Algorithm ** | |
9 | ** Updated: 2/13/90 by Ronald L. Rivest ** | |
10 | ** (C) 1990 RSA Data Security, Inc. ** | |
11 | ** ******************************************************************** | |
12 | */ | |
13 | ||
14 | /* MDstruct is the data structure for a message digest computation. | |
15 | */ | |
16 | typedef struct { | |
17 | unsigned int32 buffer[4]; /* Holds 4-word result of MD computation */ | |
18 | unsigned char count[8]; /* Number of bits processed so far */ | |
19 | unsigned int done; /* Nonzero means MD computation finished */ | |
20 | } MDstruct, *MDptr; | |
21 | ||
22 | /* MDbegin(MD) | |
23 | ||
24 | ||
25 | ||
26 | ** Input: MD -- an MDptr | |
27 | ** Initialize the MDstruct prepatory to doing a message digest | |
28 | ** computation. | |
29 | */ | |
30 | extern void MDbegin(); | |
31 | ||
32 | /* MDupdate(MD,X,count) | |
33 | ** Input: MD -- an MDptr | |
34 | ** X -- a pointer to an array of unsigned characters. | |
35 | ** count -- the number of bits of X to use (an unsigned int). | |
36 | ** Updates MD using the first "count" bits of X. | |
37 | ** The array pointed to by X is not modified. | |
38 | ** If count is not a multiple of 8, MDupdate uses high bits of | |
39 | ** last byte. | |
40 | ** This is the basic input routine for a user. | |
41 | ** The routine terminates the MD computation when count < 512, so | |
42 | ** every MD computation should end with one call to MDupdate with a | |
43 | ** count less than 512. Zero is OK for a count. | |
44 | */ | |
45 | extern void MDupdate(); | |
46 | ||
47 | /* | |
48 | ** End of md4.h | |
49 | */ |