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author | obrien <obrien@FreeBSD.org> | 2002-12-04 15:15:07 +0000 |
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committer | obrien <obrien@FreeBSD.org> | 2002-12-04 15:15:07 +0000 |
commit | 91f47f293a334517686a4f9330706abaa13430e5 (patch) | |
tree | 2d28fafa58d5258a639ec5d19c9c05bc40a6ccda /contrib/gcc/include/md5.h | |
parent | 3863f249f2b86c3c411f8cf5a17558af9c08e742 (diff) | |
parent | ef3bb1318428b8cfb1c8287f61b9b1f23f9bf0b5 (diff) | |
download | FreeBSD-src-91f47f293a334517686a4f9330706abaa13430e5.zip FreeBSD-src-91f47f293a334517686a4f9330706abaa13430e5.tar.gz |
This commit was generated by cvs2svn to compensate for changes in r107588,
which included commits to RCS files with non-trunk default branches.
Diffstat (limited to 'contrib/gcc/include/md5.h')
-rw-r--r-- | contrib/gcc/include/md5.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/contrib/gcc/include/md5.h b/contrib/gcc/include/md5.h new file mode 100644 index 0000000..ad51f19 --- /dev/null +++ b/contrib/gcc/include/md5.h @@ -0,0 +1,142 @@ +/* md5.h - Declaration of functions and data types used for MD5 sum + computing library functions. + Copyright 1995, 1996, 2000 Free Software Foundation, Inc. + NOTE: The canonical source of this file is maintained with the GNU C + Library. Bugs can be reported to bug-glibc@prep.ai.mit.edu. + + 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 _MD5_H +#define _MD5_H 1 + +#include <stdio.h> + +#if defined HAVE_LIMITS_H || _LIBC +# include <limits.h> +#endif + +/* 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 md5_uint32; +#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 md5_uint32; +# else +# if SHRT_MAX == INT_MAX_32_BITS + typedef unsigned short md5_uint32; +# else +# if LONG_MAX == INT_MAX_32_BITS + typedef unsigned long md5_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 + +#undef __P +#if defined (__STDC__) && __STDC__ +#define __P(x) x +#else +#define __P(x) () +#endif + +/* 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 __P ((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 __P ((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 __P ((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 __P ((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 __P ((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 __P ((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 __P ((const char *buffer, size_t len, void *resblock)); + +#endif |