-/* md5.h - Declaration of functions and data types used for MD5 sum
- computing library functions.
- Copyright (C) 1995 Free Software Foundation, Inc.
+/* Declaration of functions and data types used for MD5 sum computing
+ library functions.
+ Copyright (C) 1995-1997, 1999-2001, 2004-2006, 2008-2013 Free Software
+ Foundation, Inc.
+ This file is part of the GNU C Library.
-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 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.
+ 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. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, see <http://www.gnu.org/licenses/>. */
#ifndef _MD5_H
-#define _MD5_H
+#define _MD5_H 1
#include <stdio.h>
+#include <stdint.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. */
-
-#if defined __STDC__ && __STDC__
-# define UINT_MAX_32_BITS 4294967295U
-#else
-# define UINT_MAX_32_BITS 0xFFFFFFFF
-#endif
+# if HAVE_OPENSSL_MD5
+# include <openssl/md5.h>
+# 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. */
+#define MD5_DIGEST_SIZE 16
+#define MD5_BLOCK_SIZE 64
-#ifndef UINT_MAX
-# define UINT_MAX UINT_MAX_32_BITS
+#ifndef __GNUC_PREREQ
+# if defined __GNUC__ && defined __GNUC_MINOR__
+# define __GNUC_PREREQ(maj, min) \
+ ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
+# else
+# define __GNUC_PREREQ(maj, min) 0
+# endif
#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;
+#ifndef __THROW
+# if defined __cplusplus && __GNUC_PREREQ (2,8)
+# define __THROW throw ()
# 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
+# define __THROW
# endif
#endif
-#undef PARAMS
-#if defined (__STDC__) && __STDC__
-# define PARAMS(x) x
-#else
-# define PARAMS(x) ()
+#ifndef _LIBC
+# define __md5_buffer md5_buffer
+# define __md5_finish_ctx md5_finish_ctx
+# define __md5_init_ctx md5_init_ctx
+# define __md5_process_block md5_process_block
+# define __md5_process_bytes md5_process_bytes
+# define __md5_read_ctx md5_read_ctx
+# define __md5_stream md5_stream
#endif
+# ifdef __cplusplus
+extern "C" {
+# endif
+
+# if HAVE_OPENSSL_MD5
+# define GL_OPENSSL_NAME 5
+# include "gl_openssl.h"
+# else
/* 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;
+ uint32_t A;
+ uint32_t B;
+ uint32_t C;
+ uint32_t D;
+
+ uint32_t total[2];
+ uint32_t buflen;
+ uint32_t buffer[32];
};
/*
* The following three functions are build up the low level used in
- * the functions `md5_stream' and `md5_buffer'.
+ * the functions 'md5_stream' and 'md5_buffer'.
*/
/* Initialize structure containing state of computation.
(RFC 1321, 3.3: Step 3) */
-void md5_init_ctx PARAMS ((struct md5_ctx *ctx));
+extern void __md5_init_ctx (struct md5_ctx *ctx) __THROW;
/* Starting with the result of former calls of this function (or the
- initialzation function update the context for the next LEN bytes
+ initialization function update the context for the next LEN bytes
starting at BUFFER.
It is necessary that LEN is a multiple of 64!!! */
-void md5_process_block PARAMS ((const void *buffer, size_t len,
- struct md5_ctx *ctx));
+extern void __md5_process_block (const void *buffer, size_t len,
+ struct md5_ctx *ctx) __THROW;
+
+/* 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 (const void *buffer, size_t len,
+ struct md5_ctx *ctx) __THROW;
+
+/* 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. */
+extern void *__md5_finish_ctx (struct md5_ctx *ctx, void *resbuf) __THROW;
+
/* 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. */
-void *md5_read_ctx PARAMS ((const struct md5_ctx *ctx, void *resbuf));
+extern void *__md5_read_ctx (const struct md5_ctx *ctx, void *resbuf) __THROW;
-/* Compute MD5 message digest for bytes read from STREAM. The
- resulting message digest number will be written into the 16 bytes
- beginning at RESBLOCK. */
-int md5_stream PARAMS ((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. */
-void *md5_buffer PARAMS ((const char *buffer, size_t len, void *resblock));
+extern void *__md5_buffer (const char *buffer, size_t len,
+ void *resblock) __THROW;
-#endif
+# endif
+/* 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 (FILE *stream, void *resblock) __THROW;
+
+
+# ifdef __cplusplus
+}
+# endif
+
+#endif /* md5.h */
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