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-rw-r--r--lib/ChangeLog7
-rw-r--r--lib/Makefile.am2
-rw-r--r--lib/md5-gnu.h156
-rw-r--r--lib/md5.c699
-rw-r--r--lib/md5.h85
5 files changed, 386 insertions, 563 deletions
diff --git a/lib/ChangeLog b/lib/ChangeLog
index 89d7322b..8a92df33 100644
--- a/lib/ChangeLog
+++ b/lib/ChangeLog
@@ -1,3 +1,10 @@
+2005-09-28 Alain Ritoux <alain.ritoux@6wind.com>
+
+ * md5-gnu.h: removed
+ * md5.h: replaces md5-gnu.h
+ * Makefile.am: use correct md5.h
+ * md5.c: import from WIDE
+
2005-09-21 Paul Jakma <paul.jakma@sun.com>
* memtypes.{c,h}: Add MTYPE_AS_SEG_DATA.
diff --git a/lib/Makefile.am b/lib/Makefile.am
index 3763c8b4..e26040f6 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -24,7 +24,7 @@ pkginclude_HEADERS = \
buffer.h command.h filter.h getopt.h hash.h if.h linklist.h log.h \
memory.h network.h prefix.h routemap.h distribute.h sockunion.h \
str.h stream.h table.h thread.h vector.h version.h vty.h zebra.h \
- plist.h zclient.h sockopt.h smux.h md5-gnu.h if_rmap.h keychain.h \
+ plist.h zclient.h sockopt.h smux.h md5.h if_rmap.h keychain.h \
privs.h sigevent.h pqueue.h jhash.h zassert.h memtypes.h \
privs.h sigevent.h pqueue.h jhash.h zassert.h memtypes.h workqueue.h
diff --git a/lib/md5-gnu.h b/lib/md5-gnu.h
deleted file mode 100644
index dacc1ae7..00000000
--- a/lib/md5-gnu.h
+++ /dev/null
@@ -1,156 +0,0 @@
-/* Declaration of functions and data types used for MD5 sum computing
- library functions.
- Copyright (C) 1995, 1996, 1997 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));
-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));
-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));
-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));
-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));
-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));
-extern void *md5_buffer __P ((const char *buffer, size_t len,
- void *resblock));
-
-#endif /* md5.h */
diff --git a/lib/md5.c b/lib/md5.c
index c6b7ca52..4e974941 100644
--- a/lib/md5.c
+++ b/lib/md5.c
@@ -1,431 +1,318 @@
-/* md5.c - Functions to compute MD5 message digest of files or memory blocks
- according to the definition of MD5 in RFC 1321 from April 1992.
- Copyright (C) 1995, 1996, 1997 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. */
-
-/* Written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995. */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
+/* $USAGI: md5.c,v 1.2 2000/11/02 11:59:24 yoshfuji Exp $ */
+/* $KAME: md5.c,v 1.2 2000/05/27 07:07:48 jinmei Exp $ */
+/* $Id: md5.c,v 1.3 2005/09/28 15:47:44 vincent Exp $ */
+
+/*
+ * Copyright (C) 2004 6WIND
+ * <Vincent.Jardin@6WIND.com>
+ * All rights reserved.
+ *
+ * This MD5 code is Big endian and Little Endian compatible.
+ */
+
+/*
+ * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the project nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/param.h>
#include <sys/types.h>
-
-#if STDC_HEADERS || defined _LIBC
-# include <stdlib.h>
-# include <string.h>
-#else
-# ifndef HAVE_MEMCPY
-# define memcpy(d, s, n) bcopy ((s), (d), (n))
-# endif
-#endif
-
-#include "md5-gnu.h"
-
-#ifdef _LIBC
-# include <endian.h>
-# if __BYTE_ORDER == __BIG_ENDIAN
-# define WORDS_BIGENDIAN 1
-# endif
-/* We need to keep the namespace clean so define the MD5 function
- protected using leading __ and use weak aliases. */
-# define md5_init_ctx __md5_init_ctx
-# define md5_process_block __md5_process_block
-# define md5_process_bytes __md5_process_bytes
-# define md5_finish_ctx __md5_finish_ctx
-# define md5_read_ctx __md5_read_ctx
-# define md5_stream __md5_stream
-# define md5_buffer __md5_buffer
-#endif
-
-#ifdef WORDS_BIGENDIAN
-# define SWAP(n) \
- (((n) << 24) | (((n) & 0xff00) << 8) | (((n) >> 8) & 0xff00) | ((n) >> 24))
-#else
-# define SWAP(n) (n)
-#endif
-
-
-/* This array contains the bytes used to pad the buffer to the next
- 64-byte boundary. (RFC 1321, 3.1: Step 1) */
-static const unsigned char fillbuf[64] = { 0x80, 0 /* , 0, 0, ... */ };
-
-
-/* Initialize structure containing state of computation.
- (RFC 1321, 3.3: Step 3) */
-void
-md5_init_ctx (struct md5_ctx *ctx)
-{
- ctx->A = 0x67452301;
- ctx->B = 0xefcdab89;
- ctx->C = 0x98badcfe;
- ctx->D = 0x10325476;
-
- ctx->total[0] = ctx->total[1] = 0;
- ctx->buflen = 0;
+#include <sys/cdefs.h>
+#include <sys/time.h>
+#include <string.h>
+#include "md5.h"
+
+#define SHIFT(X, s) (((X) << (s)) | ((X) >> (32 - (s))))
+
+#define F(X, Y, Z) (((X) & (Y)) | ((~X) & (Z)))
+#define G(X, Y, Z) (((X) & (Z)) | ((Y) & (~Z)))
+#define H(X, Y, Z) ((X) ^ (Y) ^ (Z))
+#define I(X, Y, Z) ((Y) ^ ((X) | (~Z)))
+
+#define ROUND1(a, b, c, d, k, s, i) { \
+ (a) = (a) + F((b), (c), (d)) + X[(k)] + T[(i)]; \
+ (a) = SHIFT((a), (s)); \
+ (a) = (b) + (a); \
}
-/* Put result from CTX in first 16 bytes following RESBUF. The result
- must be in little endian byte order.
-
- IMPORTANT: On some systems it is required that RESBUF is correctly
- aligned for a 32 bits value. */
-void *
-md5_read_ctx (const struct md5_ctx *ctx, void *resbuf)
-{
- ((md5_uint32 *) resbuf)[0] = SWAP (ctx->A);
- ((md5_uint32 *) resbuf)[1] = SWAP (ctx->B);
- ((md5_uint32 *) resbuf)[2] = SWAP (ctx->C);
- ((md5_uint32 *) resbuf)[3] = SWAP (ctx->D);
+#define ROUND2(a, b, c, d, k, s, i) { \
+ (a) = (a) + G((b), (c), (d)) + X[(k)] + T[(i)]; \
+ (a) = SHIFT((a), (s)); \
+ (a) = (b) + (a); \
+}
- return resbuf;
+#define ROUND3(a, b, c, d, k, s, i) { \
+ (a) = (a) + H((b), (c), (d)) + X[(k)] + T[(i)]; \
+ (a) = SHIFT((a), (s)); \
+ (a) = (b) + (a); \
}
-/* Process the remaining bytes in the internal buffer and the usual
- prolog according to the standard and write the result to RESBUF.
+#define ROUND4(a, b, c, d, k, s, i) { \
+ (a) = (a) + I((b), (c), (d)) + X[(k)] + T[(i)]; \
+ (a) = SHIFT((a), (s)); \
+ (a) = (b) + (a); \
+}
- IMPORTANT: On some systems it is required that RESBUF is correctly
- aligned for a 32 bits value. */
-void *
-md5_finish_ctx (struct md5_ctx *ctx, void *resbuf)
+#define Sa 7
+#define Sb 12
+#define Sc 17
+#define Sd 22
+
+#define Se 5
+#define Sf 9
+#define Sg 14
+#define Sh 20
+
+#define Si 4
+#define Sj 11
+#define Sk 16
+#define Sl 23
+
+#define Sm 6
+#define Sn 10
+#define So 15
+#define Sp 21
+
+#define MD5_A0 0x67452301
+#define MD5_B0 0xefcdab89
+#define MD5_C0 0x98badcfe
+#define MD5_D0 0x10325476
+
+/* Integer part of 4294967296 times abs(sin(i)), where i is in radians. */
+static const u_int32_t T[65] = {
+ 0,
+ 0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee,
+ 0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501,
+ 0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be,
+ 0x6b901122, 0xfd987193, 0xa679438e, 0x49b40821,
+
+ 0xf61e2562, 0xc040b340, 0x265e5a51, 0xe9b6c7aa,
+ 0xd62f105d, 0x2441453, 0xd8a1e681, 0xe7d3fbc8,
+ 0x21e1cde6, 0xc33707d6, 0xf4d50d87, 0x455a14ed,
+ 0xa9e3e905, 0xfcefa3f8, 0x676f02d9, 0x8d2a4c8a,
+
+ 0xfffa3942, 0x8771f681, 0x6d9d6122, 0xfde5380c,
+ 0xa4beea44, 0x4bdecfa9, 0xf6bb4b60, 0xbebfbc70,
+ 0x289b7ec6, 0xeaa127fa, 0xd4ef3085, 0x4881d05,
+ 0xd9d4d039, 0xe6db99e5, 0x1fa27cf8, 0xc4ac5665,
+
+ 0xf4292244, 0x432aff97, 0xab9423a7, 0xfc93a039,
+ 0x655b59c3, 0x8f0ccc92, 0xffeff47d, 0x85845dd1,
+ 0x6fa87e4f, 0xfe2ce6e0, 0xa3014314, 0x4e0811a1,
+ 0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391,
+};
+
+static const u_int8_t md5_paddat[MD5_BUFLEN] = {
+ 0x80, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+};
+
+static void md5_calc __P((u_int8_t *, md5_ctxt *));
+
+void md5_init(ctxt)
+ md5_ctxt *ctxt;
{
- /* Take yet unprocessed bytes into account. */
- md5_uint32 bytes = ctx->buflen;
- size_t pad;
-
- /* Now count remaining bytes. */
- ctx->total[0] += bytes;
- if (ctx->total[0] < bytes)
- ++ctx->total[1];
-
- pad = bytes >= 56 ? 64 + 56 - bytes : 56 - bytes;
- memcpy (&ctx->buffer[bytes], fillbuf, pad);
-
- /* Put the 64-bit file length in *bits* at the end of the buffer. */
- *(md5_uint32 *) &ctx->buffer[bytes + pad] = SWAP (ctx->total[0] << 3);
- *(md5_uint32 *) &ctx->buffer[bytes + pad + 4] = SWAP ((ctx->total[1] << 3) |
- (ctx->total[0] >> 29));
-
- /* Process last bytes. */
- md5_process_block (ctx->buffer, bytes + pad + 8, ctx);
-
- return md5_read_ctx (ctx, resbuf);
+ ctxt->md5_n = 0;
+ ctxt->md5_i = 0;
+ ctxt->md5_sta = MD5_A0;
+ ctxt->md5_stb = MD5_B0;
+ ctxt->md5_stc = MD5_C0;
+ ctxt->md5_std = MD5_D0;
+ bzero(ctxt->md5_buf, sizeof(ctxt->md5_buf));
}
-/* 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 (FILE *stream, void *resblock)
+void md5_loop(ctxt, input, len)
+ md5_ctxt *ctxt;
+ u_int8_t *input;
+ u_int len; /* number of bytes */
{
- /* Important: BLOCKSIZE must be a multiple of 64. */
-#define BLOCKSIZE 4096
- struct md5_ctx ctx;
- char buffer[BLOCKSIZE + 72];
- size_t sum;
-
- /* Initialize the computation context. */
- md5_init_ctx (&ctx);
-
- /* Iterate over full file contents. */
- while (1)
- {
- /* We read the file in blocks of BLOCKSIZE bytes. One call of the
- computation function processes the whole buffer so that with the
- next round of the loop another block can be read. */
- size_t n;
- sum = 0;
-
- /* Read block. Take care for partial reads. */
- do
- {
- n = fread (buffer + sum, 1, BLOCKSIZE - sum, stream);
-
- sum += n;
+ u_int gap, i;
+
+ ctxt->md5_n += len * 8; /* byte to bit */
+ gap = MD5_BUFLEN - ctxt->md5_i;
+
+ if (len >= gap) {
+ bcopy((void *)input, (void *)(ctxt->md5_buf + ctxt->md5_i),
+ gap);
+ md5_calc(ctxt->md5_buf, ctxt);
+
+ for (i = gap; i + MD5_BUFLEN <= len; i += MD5_BUFLEN) {
+ md5_calc((u_int8_t *)(input + i), ctxt);
+ }
+
+ ctxt->md5_i = len - i;
+ bcopy((void *)(input + i), (void *)ctxt->md5_buf, ctxt->md5_i);
+ } else {
+ bcopy((void *)input, (void *)(ctxt->md5_buf + ctxt->md5_i),
+ len);
+ ctxt->md5_i += len;
}
- while (sum < BLOCKSIZE && n != 0);
- if (n == 0 && ferror (stream))
- return 1;
-
- /* If end of file is reached, end the loop. */
- if (n == 0)
- break;
-
- /* Process buffer with BLOCKSIZE bytes. Note that
- BLOCKSIZE % 64 == 0
- */
- md5_process_block (buffer, BLOCKSIZE, &ctx);
- }
-
- /* Add the last bytes if necessary. */
- if (sum > 0)
- md5_process_bytes (buffer, sum, &ctx);
-
- /* Construct result in desired memory. */
- md5_finish_ctx (&ctx, resblock);
- return 0;
}
-/* 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 (const char *buffer, size_t len, void *resblock)
+void md5_pad(ctxt)
+ md5_ctxt *ctxt;
{
- struct md5_ctx ctx;
-
- /* Initialize the computation context. */
- md5_init_ctx (&ctx);
+ u_int gap;
+
+ /* Don't count up padding. Keep md5_n. */
+ gap = MD5_BUFLEN - ctxt->md5_i;
+ if (gap > 8) {
+ bcopy((void *)md5_paddat,
+ (void *)(ctxt->md5_buf + ctxt->md5_i),
+ gap - sizeof(ctxt->md5_n));
+ } else {
+ /* including gap == 8 */
+ bcopy((void *)md5_paddat, (void *)(ctxt->md5_buf + ctxt->md5_i),
+ gap);
+ md5_calc(ctxt->md5_buf, ctxt);
+ bcopy((void *)(md5_paddat + gap),
+ (void *)ctxt->md5_buf,
+ MD5_BUFLEN - sizeof(ctxt->md5_n));
+ }
- /* Process whole buffer but last len % 64 bytes. */
- md5_process_bytes (buffer, len, &ctx);
+ /* 8 byte word */
+#if BYTE_ORDER == LITTLE_ENDIAN
+ bcopy(&ctxt->md5_n8[0], &ctxt->md5_buf[56], 8);
+#endif
+#if BYTE_ORDER == BIG_ENDIAN
+ ctxt->md5_buf[56] = ctxt->md5_n8[7];
+ ctxt->md5_buf[57] = ctxt->md5_n8[6];
+ ctxt->md5_buf[58] = ctxt->md5_n8[5];
+ ctxt->md5_buf[59] = ctxt->md5_n8[4];
+ ctxt->md5_buf[60] = ctxt->md5_n8[3];
+ ctxt->md5_buf[61] = ctxt->md5_n8[2];
+ ctxt->md5_buf[62] = ctxt->md5_n8[1];
+ ctxt->md5_buf[63] = ctxt->md5_n8[0];
+#endif
- /* Put result in desired memory area. */
- return md5_finish_ctx (&ctx, resblock);
+ md5_calc(ctxt->md5_buf, ctxt);
}
-
-void
-md5_process_bytes (const void *buffer, size_t len, struct md5_ctx *ctx)
+void md5_result(digest, ctxt)
+ u_int8_t *digest;
+ md5_ctxt *ctxt;
{
- /* When we already have some bits in our internal buffer concatenate
- both inputs first. */
- if (ctx->buflen != 0)
- {
- size_t left_over = ctx->buflen;
- size_t add = 128 - left_over > len ? len : 128 - left_over;
-
- memcpy (&ctx->buffer[left_over], buffer, add);
- ctx->buflen += add;
-
- if (left_over + add > 64)
- {
- md5_process_block (ctx->buffer, (left_over + add) & ~63, ctx);
- /* The regions in the following copy operation cannot overlap. */
- memcpy (ctx->buffer, &ctx->buffer[(left_over + add) & ~63],
- (left_over + add) & 63);
- ctx->buflen = (left_over + add) & 63;
- }
-
- buffer = (const char *) buffer + add;
- len -= add;
- }
-
- /* Process available complete blocks. */
- if (len > 64)
- {
- md5_process_block (buffer, len & ~63, ctx);
- buffer = (const char *) buffer + (len & ~63);
- len &= 63;
- }
-
- /* Move remaining bytes in internal buffer. */
- if (len > 0)
- {
- memcpy (ctx->buffer, buffer, len);
- ctx->buflen = len;
- }
+ /* 4 byte words */
+#if BYTE_ORDER == LITTLE_ENDIAN
+ bcopy(&ctxt->md5_st8[0], digest, 16);
+#endif
+#if BYTE_ORDER == BIG_ENDIAN
+ digest[ 0] = ctxt->md5_st8[ 3]; digest[ 1] = ctxt->md5_st8[ 2];
+ digest[ 2] = ctxt->md5_st8[ 1]; digest[ 3] = ctxt->md5_st8[ 0];
+ digest[ 4] = ctxt->md5_st8[ 7]; digest[ 5] = ctxt->md5_st8[ 6];
+ digest[ 6] = ctxt->md5_st8[ 5]; digest[ 7] = ctxt->md5_st8[ 4];
+ digest[ 8] = ctxt->md5_st8[11]; digest[ 9] = ctxt->md5_st8[10];
+ digest[10] = ctxt->md5_st8[ 9]; digest[11] = ctxt->md5_st8[ 8];
+ digest[12] = ctxt->md5_st8[15]; digest[13] = ctxt->md5_st8[14];
+ digest[14] = ctxt->md5_st8[13]; digest[15] = ctxt->md5_st8[12];
+#endif
}
+#if BYTE_ORDER == BIG_ENDIAN
+u_int32_t X[16];
+#endif
-/* These are the four functions used in the four steps of the MD5 algorithm
- and defined in the RFC 1321. The first function is a little bit optimized
- (as found in Colin Plumbs public domain implementation). */
-/* #define FF(b, c, d) ((b & c) | (~b & d)) */
-#define FF(b, c, d) (d ^ (b & (c ^ d)))
-#define FG(b, c, d) FF (d, b, c)
-#define FH(b, c, d) (b ^ c ^ d)
-#define FI(b, c, d) (c ^ (b | ~d))
-
-/* Process LEN bytes of BUFFER, accumulating context into CTX.
- It is assumed that LEN % 64 == 0. */
-
-void
-md5_process_block (const void *buffer, size_t len, struct md5_ctx *ctx)
+static void md5_calc(b64, ctxt)
+ u_int8_t *b64;
+ md5_ctxt *ctxt;
{
- md5_uint32 correct_words[16];
- const md5_uint32 *words = buffer;
- size_t nwords = len / sizeof (md5_uint32);
- const md5_uint32 *endp = words + nwords;
- md5_uint32 A = ctx->A;
- md5_uint32 B = ctx->B;
- md5_uint32 C = ctx->C;
- md5_uint32 D = ctx->D;
-
- /* First increment the byte count. RFC 1321 specifies the possible
- length of the file up to 2^64 bits. Here we only compute the
- number of bytes. Do a double word increment. */
- ctx->total[0] += len;
- if (ctx->total[0] < len)
- ++ctx->total[1];
-
- /* Process all bytes in the buffer with 64 bytes in each round of
- the loop. */
- while (words < endp)
- {
- md5_uint32 *cwp = correct_words;
- md5_uint32 A_save = A;
- md5_uint32 B_save = B;
- md5_uint32 C_save = C;
- md5_uint32 D_save = D;
-
- /* First round: using the given function, the context and a constant
- the next context is computed. Because the algorithms processing
- unit is a 32-bit word and it is determined to work on words in
- little endian byte order we perhaps have to change the byte order
- before the computation. To reduce the work for the next steps
- we store the swapped words in the array CORRECT_WORDS. */
-
-#define OP(a, b, c, d, s, T) \
- do \
- { \
- a += FF (b, c, d) + (*cwp++ = SWAP (*words)) + T; \
- ++words; \
- CYCLIC (a, s); \
- a += b; \
- } \
- while (0)
-
- /* It is unfortunate that C does not provide an operator for
- cyclic rotation. Hope the C compiler is smart enough. */
-#define CYCLIC(w, s) (w = (w << s) | (w >> (32 - s)))
-
- /* Before we start, one word to the strange constants.
- They are defined in RFC 1321 as
-
- T[i] = (int) (4294967296.0 * fabs (sin (i))), i=1..64
- */
-
- /* Round 1. */
- OP (A, B, C, D, 7, 0xd76aa478);
- OP (D, A, B, C, 12, 0xe8c7b756);
- OP (C, D, A, B, 17, 0x242070db);
- OP (B, C, D, A, 22, 0xc1bdceee);
- OP (A, B, C, D, 7, 0xf57c0faf);
- OP (D, A, B, C, 12, 0x4787c62a);
- OP (C, D, A, B, 17, 0xa8304613);
- OP (B, C, D, A, 22, 0xfd469501);
- OP (A, B, C, D, 7, 0x698098d8);
- OP (D, A, B, C, 12, 0x8b44f7af);
- OP (C, D, A, B, 17, 0xffff5bb1);
- OP (B, C, D, A, 22, 0x895cd7be);
- OP (A, B, C, D, 7, 0x6b901122);
- OP (D, A, B, C, 12, 0xfd987193);
- OP (C, D, A, B, 17, 0xa679438e);
- OP (B, C, D, A, 22, 0x49b40821);
-
- /* For the second to fourth round we have the possibly swapped words
- in CORRECT_WORDS. Redefine the macro to take an additional first
- argument specifying the function to use. */
-#undef OP
-#define OP(f, a, b, c, d, k, s, T) \
- do \
- { \
- a += f (b, c, d) + correct_words[k] + T; \
- CYCLIC (a, s); \
- a += b; \
- } \
- while (0)
-
- /* Round 2. */
- OP (FG, A, B, C, D, 1, 5, 0xf61e2562);
- OP (FG, D, A, B, C, 6, 9, 0xc040b340);
- OP (FG, C, D, A, B, 11, 14, 0x265e5a51);
- OP (FG, B, C, D, A, 0, 20, 0xe9b6c7aa);
- OP (FG, A, B, C, D, 5, 5, 0xd62f105d);
- OP (FG, D, A, B, C, 10, 9, 0x02441453);
- OP (FG, C, D, A, B, 15, 14, 0xd8a1e681);
- OP (FG, B, C, D, A, 4, 20, 0xe7d3fbc8);
- OP (FG, A, B, C, D, 9, 5, 0x21e1cde6);
- OP (FG, D, A, B, C, 14, 9, 0xc33707d6);
- OP (FG, C, D, A, B, 3, 14, 0xf4d50d87);
- OP (FG, B, C, D, A, 8, 20, 0x455a14ed);
- OP (FG, A, B, C, D, 13, 5, 0xa9e3e905);
- OP (FG, D, A, B, C, 2, 9, 0xfcefa3f8);
- OP (FG, C, D, A, B, 7, 14, 0x676f02d9);
- OP (FG, B, C, D, A, 12, 20, 0x8d2a4c8a);
-
- /* Round 3. */
- OP (FH, A, B, C, D, 5, 4, 0xfffa3942);
- OP (FH, D, A, B, C, 8, 11, 0x8771f681);
- OP (FH, C, D, A, B, 11, 16, 0x6d9d6122);
- OP (FH, B, C, D, A, 14, 23, 0xfde5380c);
- OP (FH, A, B, C, D, 1, 4, 0xa4beea44);
- OP (FH, D, A, B, C, 4, 11, 0x4bdecfa9);
- OP (FH, C, D, A, B, 7, 16, 0xf6bb4b60);
- OP (FH, B, C, D, A, 10, 23, 0xbebfbc70);
- OP (FH, A, B, C, D, 13, 4, 0x289b7ec6);
- OP (FH, D, A, B, C, 0, 11, 0xeaa127fa);
- OP (FH, C, D, A, B, 3, 16, 0xd4ef3085);
- OP (FH, B, C, D, A, 6, 23, 0x04881d05);
- OP (FH, A, B, C, D, 9, 4, 0xd9d4d039);
- OP (FH, D, A, B, C, 12, 11, 0xe6db99e5);
- OP (FH, C, D, A, B, 15, 16, 0x1fa27cf8);
- OP (FH, B, C, D, A, 2, 23, 0xc4ac5665);
-
- /* Round 4. */
- OP (FI, A, B, C, D, 0, 6, 0xf4292244);
- OP (FI, D, A, B, C, 7, 10, 0x432aff97);
- OP (FI, C, D, A, B, 14, 15, 0xab9423a7);
- OP (FI, B, C, D, A, 5, 21, 0xfc93a039);
- OP (FI, A, B, C, D, 12, 6, 0x655b59c3);
- OP (FI, D, A, B, C, 3, 10, 0x8f0ccc92);
- OP (FI, C, D, A, B, 10, 15, 0xffeff47d);
- OP (FI, B, C, D, A, 1, 21, 0x85845dd1);
- OP (FI, A, B, C, D, 8, 6, 0x6fa87e4f);
- OP (FI, D, A, B, C, 15, 10, 0xfe2ce6e0);
- OP (FI, C, D, A, B, 6, 15, 0xa3014314);
- OP (FI, B, C, D, A, 13, 21, 0x4e0811a1);
- OP (FI, A, B, C, D, 4, 6, 0xf7537e82);
- OP (FI, D, A, B, C, 11, 10, 0xbd3af235);
- OP (FI, C, D, A, B, 2, 15, 0x2ad7d2bb);
- OP (FI, B, C, D, A, 9, 21, 0xeb86d391);
-
- /* Add the starting values of the context. */
- A += A_save;
- B += B_save;
- C += C_save;
- D += D_save;
- }
-
- /* Put checksum in context given as argument. */
- ctx->A = A;
- ctx->B = B;
- ctx->C = C;
- ctx->D = D;
-}
-
-
-#ifdef _LIBC
-/* Define weak aliases. */
-# undef md5_init_ctx
-weak_alias (__md5_init_ctx, md5_init_ctx)
-# undef md5_process_block
-weak_alias (__md5_process_block, md5_process_block)
-# undef md5_process_bytes
-weak_alias (__md5_process_bytes, md5_process_bytes)
-# undef md5_finish_ctx
-weak_alias (__md5_finish_ctx, md5_finish_ctx)
-# undef md5_read_ctx
-weak_alias (__md5_read_ctx, md5_read_ctx)
-# undef md5_stream
-weak_alias (__md5_stream, md5_stream)
-# undef md5_buffer
-weak_alias (__md5_buffer, md5_buffer)
+ u_int32_t A = ctxt->md5_sta;
+ u_int32_t B = ctxt->md5_stb;
+ u_int32_t C = ctxt->md5_stc;
+ u_int32_t D = ctxt->md5_std;
+#if BYTE_ORDER == LITTLE_ENDIAN
+ u_int32_t *X = (u_int32_t *)b64;
+#endif
+#if BYTE_ORDER == BIG_ENDIAN
+ /* 4 byte words */
+ /* what a brute force but fast! */
+ u_int8_t *y = (u_int8_t *)X;
+ y[ 0] = b64[ 3]; y[ 1] = b64[ 2]; y[ 2] = b64[ 1]; y[ 3] = b64[ 0];
+ y[ 4] = b64[ 7]; y[ 5] = b64[ 6]; y[ 6] = b64[ 5]; y[ 7] = b64[ 4];
+ y[ 8] = b64[11]; y[ 9] = b64[10]; y[10] = b64[ 9]; y[11] = b64[ 8];
+ y[12] = b64[15]; y[13] = b64[14]; y[14] = b64[13]; y[15] = b64[12];
+ y[16] = b64[19]; y[17] = b64[18]; y[18] = b64[17]; y[19] = b64[16];
+ y[20] = b64[23]; y[21] = b64[22]; y[22] = b64[21]; y[23] = b64[20];
+ y[24] = b64[27]; y[25] = b64[26]; y[26] = b64[25]; y[27] = b64[24];
+ y[28] = b64[31]; y[29] = b64[30]; y[30] = b64[29]; y[31] = b64[28];
+ y[32] = b64[35]; y[33] = b64[34]; y[34] = b64[33]; y[35] = b64[32];
+ y[36] = b64[39]; y[37] = b64[38]; y[38] = b64[37]; y[39] = b64[36];
+ y[40] = b64[43]; y[41] = b64[42]; y[42] = b64[41]; y[43] = b64[40];
+ y[44] = b64[47]; y[45] = b64[46]; y[46] = b64[45]; y[47] = b64[44];
+ y[48] = b64[51]; y[49] = b64[50]; y[50] = b64[49]; y[51] = b64[48];
+ y[52] = b64[55]; y[53] = b64[54]; y[54] = b64[53]; y[55] = b64[52];
+ y[56] = b64[59]; y[57] = b64[58]; y[58] = b64[57]; y[59] = b64[56];
+ y[60] = b64[63]; y[61] = b64[62]; y[62] = b64[61]; y[63] = b64[60];
#endif
+
+ ROUND1(A, B, C, D, 0, Sa, 1); ROUND1(D, A, B, C, 1, Sb, 2);
+ ROUND1(C, D, A, B, 2, Sc, 3); ROUND1(B, C, D, A, 3, Sd, 4);
+ ROUND1(A, B, C, D, 4, Sa, 5); ROUND1(D, A, B, C, 5, Sb, 6);
+ ROUND1(C, D, A, B, 6, Sc, 7); ROUND1(B, C, D, A, 7, Sd, 8);
+ ROUND1(A, B, C, D, 8, Sa, 9); ROUND1(D, A, B, C, 9, Sb, 10);
+ ROUND1(C, D, A, B, 10, Sc, 11); ROUND1(B, C, D, A, 11, Sd, 12);
+ ROUND1(A, B, C, D, 12, Sa, 13); ROUND1(D, A, B, C, 13, Sb, 14);
+ ROUND1(C, D, A, B, 14, Sc, 15); ROUND1(B, C, D, A, 15, Sd, 16);
+
+ ROUND2(A, B, C, D, 1, Se, 17); ROUND2(D, A, B, C, 6, Sf, 18);
+ ROUND2(C, D, A, B, 11, Sg, 19); ROUND2(B, C, D, A, 0, Sh, 20);
+ ROUND2(A, B, C, D, 5, Se, 21); ROUND2(D, A, B, C, 10, Sf, 22);
+ ROUND2(C, D, A, B, 15, Sg, 23); ROUND2(B, C, D, A, 4, Sh, 24);
+ ROUND2(A, B, C, D, 9, Se, 25); ROUND2(D, A, B, C, 14, Sf, 26);
+ ROUND2(C, D, A, B, 3, Sg, 27); ROUND2(B, C, D, A, 8, Sh, 28);
+ ROUND2(A, B, C, D, 13, Se, 29); ROUND2(D, A, B, C, 2, Sf, 30);
+ ROUND2(C, D, A, B, 7, Sg, 31); ROUND2(B, C, D, A, 12, Sh, 32);
+
+ ROUND3(A, B, C, D, 5, Si, 33); ROUND3(D, A, B, C, 8, Sj, 34);
+ ROUND3(C, D, A, B, 11, Sk, 35); ROUND3(B, C, D, A, 14, Sl, 36);
+ ROUND3(A, B, C, D, 1, Si, 37); ROUND3(D, A, B, C, 4, Sj, 38);
+ ROUND3(C, D, A, B, 7, Sk, 39); ROUND3(B, C, D, A, 10, Sl, 40);
+ ROUND3(A, B, C, D, 13, Si, 41); ROUND3(D, A, B, C, 0, Sj, 42);
+ ROUND3(C, D, A, B, 3, Sk, 43); ROUND3(B, C, D, A, 6, Sl, 44);
+ ROUND3(A, B, C, D, 9, Si, 45); ROUND3(D, A, B, C, 12, Sj, 46);
+ ROUND3(C, D, A, B, 15, Sk, 47); ROUND3(B, C, D, A, 2, Sl, 48);
+
+ ROUND4(A, B, C, D, 0, Sm, 49); ROUND4(D, A, B, C, 7, Sn, 50);
+ ROUND4(C, D, A, B, 14, So, 51); ROUND4(B, C, D, A, 5, Sp, 52);
+ ROUND4(A, B, C, D, 12, Sm, 53); ROUND4(D, A, B, C, 3, Sn, 54);
+ ROUND4(C, D, A, B, 10, So, 55); ROUND4(B, C, D, A, 1, Sp, 56);
+ ROUND4(A, B, C, D, 8, Sm, 57); ROUND4(D, A, B, C, 15, Sn, 58);
+ ROUND4(C, D, A, B, 6, So, 59); ROUND4(B, C, D, A, 13, Sp, 60);
+ ROUND4(A, B, C, D, 4, Sm, 61); ROUND4(D, A, B, C, 11, Sn, 62);
+ ROUND4(C, D, A, B, 2, So, 63); ROUND4(B, C, D, A, 9, Sp, 64);
+
+ ctxt->md5_sta += A;
+ ctxt->md5_stb += B;
+ ctxt->md5_stc += C;
+ ctxt->md5_std += D;
+}
diff --git a/lib/md5.h b/lib/md5.h
new file mode 100644
index 00000000..d899fbd3
--- /dev/null
+++ b/lib/md5.h
@@ -0,0 +1,85 @@
+/* $USAGI: md5.h,v 1.2 2000/11/02 11:59:25 yoshfuji Exp $ */
+/* $KAME: md5.h,v 1.4 2000/03/27 04:36:22 sumikawa Exp $ */
+/* $Id: md5.h,v 1.1 2005/09/28 15:47:44 vincent Exp $ */
+
+/*
+ * Copyright (C) 2004 6WIND
+ * <Vincent.Jardin@6WIND.com>
+ * All rights reserved.
+ *
+ * This MD5 code is Big endian and Little Endian compatible.
+ */
+
+/*
+ * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the project nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _LIBZEBRA_MD5_H_
+#define _LIBZEBRA_MD5_H_
+
+#define MD5_BUFLEN 64
+
+typedef struct {
+ union {
+ u_int32_t md5_state32[4];
+ u_int8_t md5_state8[16];
+ } md5_st;
+
+#define md5_sta md5_st.md5_state32[0]
+#define md5_stb md5_st.md5_state32[1]
+#define md5_stc md5_st.md5_state32[2]
+#define md5_std md5_st.md5_state32[3]
+#define md5_st8 md5_st.md5_state8
+
+ union {
+ u_int64_t md5_count64;
+ u_int8_t md5_count8[8];
+ } md5_count;
+#define md5_n md5_count.md5_count64
+#define md5_n8 md5_count.md5_count8
+
+ u_int md5_i;
+ u_int8_t md5_buf[MD5_BUFLEN];
+} md5_ctxt;
+
+extern void md5_init __P((md5_ctxt *));
+extern void md5_loop __P((md5_ctxt *, u_int8_t *, u_int));
+extern void md5_pad __P((md5_ctxt *));
+extern void md5_result __P((u_int8_t *, md5_ctxt *));
+
+/* compatibility */
+#define MD5_CTX md5_ctxt
+#define MD5Init(x) md5_init((x))
+#define MD5Update(x, y, z) md5_loop((x), (y), (z))
+#define MD5Final(x, y) \
+do { \
+ md5_pad((y)); \
+ md5_result((x), (y)); \
+} while (0)
+
+#endif /* ! _LIBZEBRA_MD5_H_*/