+++ /dev/null
-/* Declarations of functions and data types used for SHA1 sum
- library functions.
- Copyright (C) 2000, 2001, 2003 Free Software Foundation, Inc.
-
- 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, 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. */
-
-#ifndef _SHA_H
-# define _SHA_H 1
-
-# include <stdio.h>
-# include "md5.h"
-
-/* Structure to save state of computation between the single steps. */
-struct sha_ctx
-{
- md5_uint32 A;
- md5_uint32 B;
- md5_uint32 C;
- md5_uint32 D;
- md5_uint32 E;
-
- md5_uint32 total[2];
- md5_uint32 buflen;
- char buffer[128];
-};
-
-
-/* Initialize structure containing state of computation. */
-extern void sha_init_ctx (struct sha_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 sha_process_block (const void *buffer, size_t len,
- struct sha_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 sha_process_bytes (const void *buffer, size_t len,
- struct sha_ctx *ctx);
-
-/* Process the remaining bytes in the buffer and put result from CTX
- in first 20 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 be correctly
- aligned for a 32 bits value. */
-extern void *sha_finish_ctx (struct sha_ctx *ctx, void *resbuf);
-
-
-/* Put result from CTX in first 20 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 *sha_read_ctx (const struct sha_ctx *ctx, void *resbuf);
-
-
-/* Compute SHA1 message digest for bytes read from STREAM. The
- resulting message digest number will be written into the 20 bytes
- beginning at RESBLOCK. */
-extern int sha_stream (FILE *stream, void *resblock);
-
-/* Compute SHA1 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 *sha_buffer (const char *buffer, size_t len, void *resblock);
-
-#endif