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authorGeoff Keating <geoffk@cygnus.com>2000-03-04 00:47:31 +0000
committerGeoff Keating <geoffk@cygnus.com>2000-03-04 00:47:31 +0000
commitb11f59548803413101b72d28f42cbe997d64a144 (patch)
tree4898a19a9169c9cedd0250e0e7590dbc6058b189 /crypt/md5.h
parente3d53b06cc8520c23a010909ab2f0bde93f2abfc (diff)
* Makeconfig (rpath-dirs): Add crypt.
(all-subdirs): Remove md5crypt. * crypt/sysdeps/unix/crypt.c: Move to crypt/. * crypt/sysdeps/unix/crypt-entry.c: Move to crypt/. * sysdeps/generic/crypt-entry.c: Delete. * crypt/sysdeps/unix/crypt.h: Move to crypt/. * sysdeps/generic/crypt.h: Delete. * crypt/sysdeps/unix/crypt-private.h: Move to crypt/. * crypt/sysdeps/unix/crypt_util.c: Move to crypt/. * crypt/sysdeps/unix/des_impl.c: Move to sunrpc/. * sysdeps/generic/des_impl.c: Delete. * crypt/sysdeps/unix/ufc-crypt.h: Move to crypt/. * crypt/sysdeps: Delete. * crypt/crypt_util.c: Don't use `patchlevel.h'. * md5-crypt/Versions: Move to crypt/. * md5-crypt/md5-crypt.c: Move to crypt/. * md5-crypt/md5.c: Move to crypt/. * md5-crypt/md5c-test.c: Move to crypt/. * md5-crypt/md5test.c: Move to crypt/. * md5-crypt: Delete. * crypt/Makefile: Adjust for new structure. 2000-03-03 Geoff Keating <geoffk@cygnus.com> * Makeconfig (rpath-dirs): Add crypt. (all-subdirs): Remove md5crypt. * crypt/sysdeps/unix/crypt.c: Move to crypt/. * crypt/sysdeps/unix/crypt-entry.c: Move to crypt/. * sysdeps/generic/crypt-entry.c: Delete. * crypt/sysdeps/unix/crypt.h: Move to crypt/. * sysdeps/generic/crypt.h: Delete. * crypt/sysdeps/unix/crypt-private.h: Move to crypt/. * crypt/sysdeps/unix/crypt_util.c: Move to crypt/. * crypt/sysdeps/unix/des_impl.c: Move to sunrpc/. * sysdeps/generic/des_impl.c: Delete. * crypt/sysdeps/unix/ufc-crypt.h: Move to crypt/. * crypt/sysdeps: Delete. * crypt/crypt_util.c: Don't use `patchlevel.h'. * md5-crypt/Versions: Move to crypt/. * md5-crypt/md5-crypt.c: Move to crypt/. * md5-crypt/md5.c: Move to crypt/. * md5-crypt/md5c-test.c: Move to crypt/. * md5-crypt/md5test.c: Move to crypt/. * md5-crypt: Delete. * crypt/Makefile: Adjust for new structure.
Diffstat (limited to 'crypt/md5.h')
-rw-r--r--crypt/md5.h147
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diff --git a/crypt/md5.h b/crypt/md5.h
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+++ b/crypt/md5.h
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+/* Declaration of functions and data types used for MD5 sum computing
+ library functions.
+ Copyright (C) 1995, 1996, 1997, 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. 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
+# if defined __STDC__ && __STDC__
+# define UINT_MAX_32_BITS 4294967295U
+# else
+# define UINT_MAX_32_BITS 0xFFFFFFFF
+# endif
+
+/* 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 UINT_MAX
+# define UINT_MAX UINT_MAX_32_BITS
+# endif
+
+# if UINT_MAX == UINT_MAX_32_BITS
+ typedef unsigned int md5_uint32;
+# else
+# if USHRT_MAX == UINT_MAX_32_BITS
+ typedef unsigned short md5_uint32;
+# else
+# if ULONG_MAX == UINT_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 /* md5.h */