| b5bc2a8c |
1 | /* |
| 2 | Copyright (C) 1999 Aladdin Enterprises. All rights reserved. |
| 3 | |
| 4 | This software is provided 'as-is', without any express or implied |
| 5 | warranty. In no event will the authors be held liable for any damages |
| 6 | arising from the use of this software. |
| 7 | |
| 8 | Permission is granted to anyone to use this software for any purpose, |
| 9 | including commercial applications, and to alter it and redistribute it |
| 10 | freely, subject to the following restrictions: |
| 11 | |
| 12 | 1. The origin of this software must not be misrepresented; you must not |
| 13 | claim that you wrote the original software. If you use this software |
| 14 | in a product, an acknowledgment in the product documentation would be |
| 15 | appreciated but is not required. |
| 16 | 2. Altered source versions must be plainly marked as such, and must not be |
| 17 | misrepresented as being the original software. |
| 18 | 3. This notice may not be removed or altered from any source distribution. |
| 19 | |
| 20 | L. Peter Deutsch |
| 21 | ghost@aladdin.com |
| 22 | |
| 23 | */ |
| 24 | /*$Id$ */ |
| 25 | /* |
| 26 | Independent implementation of MD5 (RFC 1321). |
| 27 | |
| 28 | This code implements the MD5 Algorithm defined in RFC 1321. |
| 29 | It is derived directly from the text of the RFC and not from the |
| 30 | reference implementation. |
| 31 | |
| 32 | The original and principal author of md5.h is L. Peter Deutsch |
| 33 | <ghost@aladdin.com>. Other authors are noted in the change history |
| 34 | that follows (in reverse chronological order): |
| 35 | |
| 36 | 1999-11-04 lpd Edited comments slightly for automatic TOC extraction. |
| 37 | 1999-10-18 lpd Fixed typo in header comment (ansi2knr rather than md5); |
| 38 | added conditionalization for C++ compilation from Martin |
| 39 | Purschke <purschke@bnl.gov>. |
| 40 | 1999-05-03 lpd Original version. |
| 41 | */ |
| 42 | |
| 43 | #ifndef md5_INCLUDED |
| 44 | # define md5_INCLUDED |
| 45 | |
| 46 | /* |
| 47 | * This code has some adaptations for the Ghostscript environment, but it |
| 48 | * will compile and run correctly in any environment with 8-bit chars and |
| 49 | * 32-bit ints. Specifically, it assumes that if the following are |
| 50 | * defined, they have the same meaning as in Ghostscript: P1, P2, P3, |
| 51 | * ARCH_IS_BIG_ENDIAN. |
| 52 | */ |
| 53 | |
| 54 | typedef unsigned char md5_byte_t; /* 8-bit byte */ |
| 55 | typedef unsigned int md5_word_t; /* 32-bit word */ |
| 56 | |
| 57 | /* Define the state of the MD5 Algorithm. */ |
| 58 | typedef struct md5_state_s { |
| 59 | md5_word_t count[2]; /* message length in bits, lsw first */ |
| 60 | md5_word_t abcd[4]; /* digest buffer */ |
| 61 | md5_byte_t buf[64]; /* accumulate block */ |
| 62 | } md5_state_t; |
| 63 | |
| 64 | #ifdef __cplusplus |
| 65 | extern "C" |
| 66 | { |
| 67 | #endif |
| 68 | |
| 69 | /* Initialize the algorithm. */ |
| 70 | #ifdef P1 |
| 71 | void md5_init(P1(md5_state_t *pms)); |
| 72 | #else |
| 73 | void md5_init(md5_state_t *pms); |
| 74 | #endif |
| 75 | |
| 76 | /* Append a string to the message. */ |
| 77 | #ifdef P3 |
| 78 | void md5_append(P3(md5_state_t *pms, const md5_byte_t *data, int nbytes)); |
| 79 | #else |
| 80 | void md5_append(md5_state_t *pms, const md5_byte_t *data, int nbytes); |
| 81 | #endif |
| 82 | |
| 83 | /* Finish the message and return the digest. */ |
| 84 | #ifdef P2 |
| 85 | void md5_finish(P2(md5_state_t *pms, md5_byte_t digest[16])); |
| 86 | #else |
| 87 | void md5_finish(md5_state_t *pms, md5_byte_t digest[16]); |
| 88 | #endif |
| 89 | |
| 90 | #ifdef __cplusplus |
| 91 | } /* end extern "C" */ |
| 92 | #endif |
| 93 | |
| 94 | #endif /* md5_INCLUDED */ |
andersk / libfaim.git / blame