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Diffstat (limited to 'include/sha1.h')
| -rw-r--r-- | include/sha1.h | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/include/sha1.h b/include/sha1.h deleted file mode 100644 index 5473f91f4..000000000 --- a/include/sha1.h +++ /dev/null @@ -1,141 +0,0 @@ -/* Declarations of functions and data types used for SHA1 sum - library functions. - Copyright (C) 2000, 2001, 2003, 2005, 2006, 2008, 2010 - 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 3, 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#ifndef SHA1_H -# define SHA1_H 1 - -#include <stdio.h> - -#if defined HAVE_LIMITS_H || _LIBC -# include <limits.h> -#endif - -#include "ansidecl.h" - -/* The following contortions are an attempt to use the C preprocessor - to determine an unsigned integral type that is 32 bits wide. An - alternative approach is to use autoconf's AC_CHECK_SIZEOF macro, but - doing that would require that the configure script compile and *run* - the resulting executable. Locally running cross-compiled executables - is usually not possible. */ - -#ifdef _LIBC -# include <sys/types.h> -typedef u_int32_t sha1_uint32; -typedef uintptr_t sha1_uintptr; -#else -# define INT_MAX_32_BITS 2147483647 - -/* If UINT_MAX isn't defined, assume it's a 32-bit type. - This should be valid for all systems GNU cares about because - that doesn't include 16-bit systems, and only modern systems - (that certainly have <limits.h>) have 64+-bit integral types. */ - -# ifndef INT_MAX -# define INT_MAX INT_MAX_32_BITS -# endif - -# if INT_MAX == INT_MAX_32_BITS - typedef unsigned int sha1_uint32; -# else -# if SHRT_MAX == INT_MAX_32_BITS - typedef unsigned short sha1_uint32; -# else -# if LONG_MAX == INT_MAX_32_BITS - typedef unsigned long sha1_uint32; -# else - /* The following line is intended to evoke an error. - Using #error is not portable enough. */ - "Cannot determine unsigned 32-bit data type." -# endif -# endif -# endif -#endif - -#ifdef __cplusplus -extern "C" { -#endif - -/* Structure to save state of computation between the single steps. */ -struct sha1_ctx -{ - sha1_uint32 A; - sha1_uint32 B; - sha1_uint32 C; - sha1_uint32 D; - sha1_uint32 E; - - sha1_uint32 total[2]; - sha1_uint32 buflen; - sha1_uint32 buffer[32]; -}; - - -/* Initialize structure containing state of computation. */ -extern void sha1_init_ctx (struct sha1_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 sha1_process_block (const void *buffer, size_t len, - struct sha1_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 sha1_process_bytes (const void *buffer, size_t len, - struct sha1_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 *sha1_finish_ctx (struct sha1_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 *sha1_read_ctx (const struct sha1_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 sha1_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 *sha1_buffer (const char *buffer, size_t len, void *resblock); - -#ifdef __cplusplus -} -#endif - -#endif |