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: md5.h,v 1.3 2002/08/05 03:56:55 lukeh Exp $ */ 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 _pam_ldap_md5_init(P1(md5_state_t *pms)); 72 #else 73 void _pam_ldap_md5_init(md5_state_t *pms); 74 #endif 75 76 /* Append a string to the message. */ 77 #ifdef P3 78 void _pam_ldap_md5_append(P3(md5_state_t *pms, const md5_byte_t *data, int nbytes)); 79 #else 80 void _pam_ldap_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 _pam_ldap_md5_finish(P2(md5_state_t *pms, md5_byte_t digest[16])); 86 #else 87 void _pam_ldap_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 */ 95