MD5.h
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- /*
- * XMail by Davide Libenzi ( Intranet and Internet mail server )
- * Copyright (C) 1999,..,2004 Davide Libenzi
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * Written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995
- * Written by Glynn Clements <glynn@sensei.co.uk>, 1997
- * Modified by Davide Libenzi <davidel@xmailserver.org>, 2000
- *
- */
- #ifndef _MD5_H
- #define _MD5_H
- typedef SYS_UINT32 md5_uint32;
- /* Structure to save state of computation between the single steps. */
- struct md5_ctx {
- md5_uint32 A;
- md5_uint32 B;
- md5_uint32 C;
- md5_uint32 D;
- md5_uint32 total[2];
- md5_uint32 buflen;
- char buffer[128];
- };
- /*
- * The following three functions are build up the low level used in
- * the functions `md5_stream' and `md5_buffer'.
- */
- /* Initialize structure containing state of computation.
- (RFC 1321, 3.3: Step 3) */
- extern void md5_init_ctx(struct md5_ctx *ctx);
- /* Starting with the result of former calls of this function (or the
- initialization function update the context for the next LEN bytes
- starting at BUFFER.
- It is necessary that LEN is a multiple of 64!!! */
- extern void md5_process_block(const void *buffer, size_t len, struct md5_ctx *ctx);
- /* Starting with the result of former calls of this function (or the
- initialization function update the context for the next LEN bytes
- starting at BUFFER.
- It is NOT required that LEN is a multiple of 64. */
- extern void md5_process_bytes(const void *buffer, size_t len, struct md5_ctx *ctx);
- /* Process the remaining bytes in the buffer and put result from CTX
- in first 16 bytes following RESBUF. The result is always in little
- endian byte order, so that a byte-wise output yields to the wanted
- ASCII representation of the message digest.
- IMPORTANT: On some systems it is required that RESBUF is correctly
- aligned for a 32 bits value. */
- extern void *md5_finish_ctx(struct md5_ctx *ctx, void *resbuf);
- /* Put result from CTX in first 16 bytes following RESBUF. The result is
- always in little endian byte order, so that a byte-wise output yields
- to the wanted ASCII representation of the message digest.
- IMPORTANT: On some systems it is required that RESBUF is correctly
- aligned for a 32 bits value. */
- extern void *md5_read_ctx(const struct md5_ctx *ctx, void *resbuf);
- /* Compute MD5 message digest for bytes read from STREAM. The
- resulting message digest number will be written into the 16 bytes
- beginning at RESBLOCK. */
- extern int md5_stream(FILE * stream, void *resblock);
- /* Compute MD5 message digest for LEN bytes beginning at BUFFER. The
- result is always in little endian byte order, so that a byte-wise
- output yields to the wanted ASCII representation of the message
- digest. */
- extern void *md5_buffer(const char *buffer, size_t len, void *resblock);
- extern void md5_hex(unsigned char *src, char *dst);
- extern void do_md5_file(FILE * src, long start, long bytes, char *hash);
- extern void do_md5_string(char *pass, int passlen, char *hash);
- #endif