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/* Declaration of functions and data types used for MD5 sum computing
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Copyright (C) 1995-1997,1999,2000,2001,2004,2005,2006,2008
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Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by the
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Free Software Foundation; either version 2.1, or (at your option) any
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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#define MD5_DIGEST_SIZE 16
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#define MD5_BLOCK_SIZE 64
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# if defined __GNUC__ && defined __GNUC_MINOR__
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# define __GNUC_PREREQ(maj, min) \
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((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
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# define __GNUC_PREREQ(maj, min) 0
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# if defined __cplusplus && __GNUC_PREREQ (2,8)
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# define __THROW throw ()
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# define __md5_buffer md5_buffer
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# define __md5_finish_ctx md5_finish_ctx
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# define __md5_init_ctx md5_init_ctx
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# define __md5_process_block md5_process_block
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# define __md5_process_bytes md5_process_bytes
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# define __md5_read_ctx md5_read_ctx
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# define __md5_stream md5_stream
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/* Structure to save state of computation between the single steps. */
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* The following three functions are build up the low level used in
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* the functions `md5_stream' and `md5_buffer'.
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/* Initialize structure containing state of computation.
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(RFC 1321, 3.3: Step 3) */
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extern void __md5_init_ctx (struct md5_ctx *ctx) __THROW;
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/* Starting with the result of former calls of this function (or the
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initialization function update the context for the next LEN bytes
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It is necessary that LEN is a multiple of 64!!! */
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extern void __md5_process_block (const void *buffer, size_t len,
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struct md5_ctx *ctx) __THROW;
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/* Starting with the result of former calls of this function (or the
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initialization function update the context for the next LEN bytes
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It is NOT required that LEN is a multiple of 64. */
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extern void __md5_process_bytes (const void *buffer, size_t len,
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struct md5_ctx *ctx) __THROW;
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/* Process the remaining bytes in the buffer and put result from CTX
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in first 16 bytes following RESBUF. The result is always in little
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endian byte order, so that a byte-wise output yields to the wanted
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ASCII representation of the message digest. */
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extern void *__md5_finish_ctx (struct md5_ctx *ctx, void *resbuf) __THROW;
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/* Put result from CTX in first 16 bytes following RESBUF. The result is
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always in little endian byte order, so that a byte-wise output yields
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to the wanted ASCII representation of the message digest. */
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extern void *__md5_read_ctx (const struct md5_ctx *ctx, void *resbuf) __THROW;
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/* Compute MD5 message digest for bytes read from STREAM. The
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resulting message digest number will be written into the 16 bytes
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beginning at RESBLOCK. */
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extern int __md5_stream (FILE *stream, void *resblock) __THROW;
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/* Compute MD5 message digest for LEN bytes beginning at BUFFER. The
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result is always in little endian byte order, so that a byte-wise
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output yields to the wanted ASCII representation of the message
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extern void *__md5_buffer (const char *buffer, size_t len,
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void *resblock) __THROW;
added
removed
lgl/md5.h
