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ext/wavpack/: Add wavpack encoder element (#343131).
Original commit message from CVS: Patch by: Sebastian Dröge <mail at slomosnail de> * ext/wavpack/Makefile.am: * ext/wavpack/gstwavpack.c: (plugin_init): * ext/wavpack/gstwavpackcommon.h: * ext/wavpack/gstwavpackenc.c: (gst_wavpack_enc_mode_get_type), (gst_wavpack_enc_correction_mode_get_type), (gst_wavpack_enc_joint_stereo_mode_get_type), (gst_wavpack_enc_base_init), (gst_wavpack_enc_class_init), (gst_wavpack_enc_init), (gst_wavpack_enc_dispose), (gst_wavpack_enc_sink_set_caps), (gst_wavpack_enc_set_wp_config), (gst_wavpack_enc_format_samples), (gst_wavpack_enc_push_block), (gst_wavpack_enc_chain), (gst_wavpack_enc_rewrite_first_block), (gst_wavpack_enc_sink_event), (gst_wavpack_enc_change_state), (gst_wavpack_enc_set_property), (gst_wavpack_enc_get_property), (gst_wavpack_enc_plugin_init): * ext/wavpack/gstwavpackenc.h: * ext/wavpack/md5.c: * ext/wavpack/md5.h: Add wavpack encoder element (#343131).
This commit is contained in:
Sebastian Dröge
Tim-Philipp Müller
parent
a916520e6c
commit
522f2492c4
8 changed files with 1434 additions and 6 deletions
23
ChangeLog
23
ChangeLog
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@ -1,3 +1,26 @@
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2006-06-10 Tim-Philipp Müller <tim at centricular dot net>
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Patch by: Sebastian Dröge <mail at slomosnail de>
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* ext/wavpack/Makefile.am:
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* ext/wavpack/gstwavpack.c: (plugin_init):
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* ext/wavpack/gstwavpackcommon.h:
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* ext/wavpack/gstwavpackenc.c: (gst_wavpack_enc_mode_get_type),
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(gst_wavpack_enc_correction_mode_get_type),
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(gst_wavpack_enc_joint_stereo_mode_get_type),
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(gst_wavpack_enc_base_init), (gst_wavpack_enc_class_init),
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(gst_wavpack_enc_init), (gst_wavpack_enc_dispose),
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(gst_wavpack_enc_sink_set_caps), (gst_wavpack_enc_set_wp_config),
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(gst_wavpack_enc_format_samples), (gst_wavpack_enc_push_block),
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(gst_wavpack_enc_chain), (gst_wavpack_enc_rewrite_first_block),
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(gst_wavpack_enc_sink_event), (gst_wavpack_enc_change_state),
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(gst_wavpack_enc_set_property), (gst_wavpack_enc_get_property),
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(gst_wavpack_enc_plugin_init):
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* ext/wavpack/gstwavpackenc.h:
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* ext/wavpack/md5.c:
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* ext/wavpack/md5.h:
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Add wavpack encoder element (#343131).
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2006-06-09 Tim-Philipp Müller <tim at centricular dot net>
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2006-06-09 Tim-Philipp Müller <tim at centricular dot net>
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* configure.ac:
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* configure.ac:
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@ -1,13 +1,22 @@
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plugin_LTLIBRARIES = libgstwavpack.la
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plugin_LTLIBRARIES = libgstwavpack.la
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libgstwavpack_la_SOURCES = gstwavpack.c \
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libgstwavpack_la_SOURCES = \
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gstwavpack.c \
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gstwavpackcommon.c \
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gstwavpackcommon.c \
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gstwavpackparse.c \
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gstwavpackparse.c \
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gstwavpackdec.c
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gstwavpackdec.c \
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gstwavpackenc.c \
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md5.c
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libgstwavpack_la_CFLAGS = $(GST_CFLAGS) $(WAVPACK_CFLAGS)
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libgstwavpack_la_CFLAGS = $(GST_CFLAGS) $(WAVPACK_CFLAGS)
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libgstwavpack_la_LIBADD = $(GST_LIBS) $(WAVPACK_LIBS)
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libgstwavpack_la_LIBADD = $(GST_LIBS) $(WAVPACK_LIBS)
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libgstwavpack_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
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libgstwavpack_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
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noinst_HEADERS = gstwavpackparse.h gstwavpackdec.h gstwavpackcommon.h
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noinst_HEADERS = \
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gstwavpackparse.h \
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gstwavpackdec.h \
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gstwavpackenc.h \
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gstwavpackcommon.h \
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md5.h
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@ -25,16 +25,18 @@
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#include "gstwavpackparse.h"
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#include "gstwavpackparse.h"
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#include "gstwavpackdec.h"
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#include "gstwavpackdec.h"
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#include "gstwavpackenc.h"
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static gboolean
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static gboolean
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plugin_init (GstPlugin * plugin)
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plugin_init (GstPlugin * plugin)
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{
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{
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return (gst_wavpack_parse_plugin_init (plugin)
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return (gst_wavpack_parse_plugin_init (plugin)
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&& gst_wavpack_dec_plugin_init (plugin));
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&& gst_wavpack_dec_plugin_init (plugin)
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&& gst_wavpack_enc_plugin_init (plugin));
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}
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}
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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GST_VERSION_MINOR,
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"wavpack",
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"wavpack",
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"Wavpack lossless/lossy audio format handling",
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"Wavpack lossless/lossy audio format handling",
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plugin_init, VERSION, "LGPL", "gst-wavpack", "http://www.wavpack.com")
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plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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1002
ext/wavpack/gstwavpackenc.c
Normal file
1002
ext/wavpack/gstwavpackenc.c
Normal file
File diff suppressed because it is too large
Load diff
93
ext/wavpack/gstwavpackenc.h
Normal file
93
ext/wavpack/gstwavpackenc.h
Normal file
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@ -0,0 +1,93 @@
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/* GStreamer Wavpack encoder plugin
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* Copyrigh (c) 2006 Sebastian Dröge <mail@slomosnail.de>
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*
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* gstwavpackenc.h: Wavpack audio encoder
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_WAVPACK_ENC_H__
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#define __GST_WAVPACK_ENC_H__
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#include <gst/gst.h>
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#include <wavpack/wavpack.h>
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#include <wavpack/md5.h>
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G_BEGIN_DECLS
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/* #define's don't like whitespacey bits */
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#define GST_TYPE_WAVPACK_ENC \
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(gst_wavpack_enc_get_type())
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#define GST_WAVPACK_ENC(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_WAVPACK_ENC,GstWavpackEnc))
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#define GST_WAVPACK_ENC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_WAVPACK_ENC,GstWavpackEnc))
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#define GST_IS_WAVPACK_ENC(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_WAVPACK_ENC))
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#define GST_IS_WAVPACK_ENC_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_WAVPACK_ENC))
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typedef struct _GstWavpackEnc GstWavpackEnc;
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typedef struct _GstWavpackEncClass GstWavpackEncClass;
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typedef struct
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{
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gboolean correction;
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GstWavpackEnc *wavpack_enc;
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} write_id;
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struct _GstWavpackEnc
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{
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GstElement element;
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GstPad *sinkpad, *srcpad;
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GstPad *wvcsrcpad;
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GstFlowReturn srcpad_last_return;
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GstFlowReturn wvcsrcpad_last_return;
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WavpackConfig *wp_config;
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WavpackContext *wp_context;
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gint samplerate;
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gint channels;
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gint width;
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write_id *wv_id, *wvc_id;
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guint mode;
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gdouble bitrate;
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guint correction_mode;
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gboolean md5;
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MD5_CTX *md5_context;
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gboolean extra_processing;
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guint joint_stereo_mode;
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void *first_block;
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int32_t first_block_size;
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};
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struct _GstWavpackEncClass
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{
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GstElementClass parent;
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};
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GType gst_wavpack_enc_get_type (void);
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gboolean gst_wavpack_enc_plugin_init (GstPlugin * plugin);
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G_END_DECLS
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#endif /* __GST_WAVPACK_ENC_H__ */
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271
ext/wavpack/md5.c
Normal file
271
ext/wavpack/md5.c
Normal file
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@ -0,0 +1,271 @@
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/*
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* This code implements the MD5 message-digest algorithm.
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* The algorithm is due to Ron Rivest. This code was
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* written by Colin Plumb in 1993, no copyright is claimed.
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* This code is in the public domain; do with it what you wish.
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*
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* Equivalent code is available from RSA Data Security, Inc.
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* This code has been tested against that, and is equivalent,
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* except that you don't need to include two pages of legalese
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* with every copy.
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*
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* To compute the message digest of a chunk of bytes, declare an
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* MD5Context structure, pass it to MD5Init, call MD5Update as
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* needed on buffers full of bytes, and then call MD5Final, which
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* will fill a supplied 16-byte array with the digest.
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*/
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/* Brutally hacked by John Walker back from ANSI C to K&R (no
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prototypes) to maintain the tradition that Netfone will compile
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with Sun's original "cc". */
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#include <string.h> /* for memcpy() */
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#include <glib.h>
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#include "md5.h"
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#if G_BYTE_ORDER == G_BIG_ENDIAN
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#define HIGHFIRST
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#endif
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#ifndef HIGHFIRST
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#define byteReverse(buf, len) /* Nothing */
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#else
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/*
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* Note: this code is harmless on little-endian machines.
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*/
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void
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byteReverse (buf, longs)
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unsigned char *buf;
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unsigned longs;
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{
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uint32 t;
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do {
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t = (uint32) ((unsigned) buf[3] << 8 | buf[2]) << 16 |
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((unsigned) buf[1] << 8 | buf[0]);
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*(uint32 *) buf = t;
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buf += 4;
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} while (--longs);
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}
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#endif
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/*
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* Start MD5 accumulation. Set bit count to 0 and buffer to mysterious
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* initialization constants.
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*/
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void
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MD5Init (ctx)
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struct MD5Context *ctx;
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{
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ctx->buf[0] = 0x67452301;
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ctx->buf[1] = 0xefcdab89;
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ctx->buf[2] = 0x98badcfe;
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ctx->buf[3] = 0x10325476;
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ctx->bits[0] = 0;
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ctx->bits[1] = 0;
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}
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/*
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* Update context to reflect the concatenation of another buffer full
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* of bytes.
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*/
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void
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MD5Update (ctx, buf, len)
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struct MD5Context *ctx;
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unsigned char *buf;
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unsigned len;
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{
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uint32 t;
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/* Update bitcount */
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t = ctx->bits[0];
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if ((ctx->bits[0] = t + ((uint32) len << 3)) < t)
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ctx->bits[1]++; /* Carry from low to high */
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ctx->bits[1] += len >> 29;
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t = (t >> 3) & 0x3f; /* Bytes already in shsInfo->data */
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/* Handle any leading odd-sized chunks */
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if (t) {
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unsigned char *p = (unsigned char *) ctx->in + t;
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t = 64 - t;
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if (len < t) {
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memcpy (p, buf, len);
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return;
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}
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memcpy (p, buf, t);
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byteReverse (ctx->in, 16);
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MD5Transform (ctx->buf, (uint32 *) ctx->in);
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buf += t;
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len -= t;
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}
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/* Process data in 64-byte chunks */
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while (len >= 64) {
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memcpy (ctx->in, buf, 64);
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byteReverse (ctx->in, 16);
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MD5Transform (ctx->buf, (uint32 *) ctx->in);
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buf += 64;
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len -= 64;
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}
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/* Handle any remaining bytes of data. */
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memcpy (ctx->in, buf, len);
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}
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/*
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* Final wrapup - pad to 64-byte boundary with the bit pattern
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* 1 0* (64-bit count of bits processed, MSB-first)
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*/
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void
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MD5Final (digest, ctx)
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unsigned char digest[16];
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struct MD5Context *ctx;
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{
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unsigned count;
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unsigned char *p;
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/* Compute number of bytes mod 64 */
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count = (ctx->bits[0] >> 3) & 0x3F;
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/* Set the first char of padding to 0x80. This is safe since there is
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always at least one byte free */
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p = ctx->in + count;
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*p++ = 0x80;
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/* Bytes of padding needed to make 64 bytes */
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count = 64 - 1 - count;
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/* Pad out to 56 mod 64 */
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if (count < 8) {
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/* Two lots of padding: Pad the first block to 64 bytes */
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memset (p, 0, count);
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byteReverse (ctx->in, 16);
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MD5Transform (ctx->buf, (uint32 *) ctx->in);
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/* Now fill the next block with 56 bytes */
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memset (ctx->in, 0, 56);
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} else {
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/* Pad block to 56 bytes */
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memset (p, 0, count - 8);
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}
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byteReverse (ctx->in, 14);
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/* Append length in bits and transform */
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((uint32 *) ctx->in)[14] = ctx->bits[0];
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((uint32 *) ctx->in)[15] = ctx->bits[1];
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MD5Transform (ctx->buf, (uint32 *) ctx->in);
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byteReverse ((unsigned char *) ctx->buf, 4);
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memcpy (digest, ctx->buf, 16);
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memset (ctx, 0, sizeof (ctx)); /* In case it's sensitive */
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}
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||||||
|
/* The four core functions - F1 is optimized somewhat */
|
||||||
|
|
||||||
|
/* #define F1(x, y, z) (x & y | ~x & z) */
|
||||||
|
#define F1(x, y, z) (z ^ (x & (y ^ z)))
|
||||||
|
#define F2(x, y, z) F1(z, x, y)
|
||||||
|
#define F3(x, y, z) (x ^ y ^ z)
|
||||||
|
#define F4(x, y, z) (y ^ (x | ~z))
|
||||||
|
|
||||||
|
/* This is the central step in the MD5 algorithm. */
|
||||||
|
#define MD5STEP(f, w, x, y, z, data, s) \
|
||||||
|
( w += f(x, y, z) + data, w = w<<s | w>>(32-s), w += x )
|
||||||
|
|
||||||
|
/*
|
||||||
|
* The core of the MD5 algorithm, this alters an existing MD5 hash to
|
||||||
|
* reflect the addition of 16 longwords of new data. MD5Update blocks
|
||||||
|
* the data and converts bytes into longwords for this routine.
|
||||||
|
*/
|
||||||
|
void
|
||||||
|
MD5Transform (buf, in)
|
||||||
|
uint32 buf[4];
|
||||||
|
uint32 in[16];
|
||||||
|
{
|
||||||
|
register uint32 a, b, c, d;
|
||||||
|
|
||||||
|
a = buf[0];
|
||||||
|
b = buf[1];
|
||||||
|
c = buf[2];
|
||||||
|
d = buf[3];
|
||||||
|
|
||||||
|
MD5STEP (F1, a, b, c, d, in[0] + 0xd76aa478, 7);
|
||||||
|
MD5STEP (F1, d, a, b, c, in[1] + 0xe8c7b756, 12);
|
||||||
|
MD5STEP (F1, c, d, a, b, in[2] + 0x242070db, 17);
|
||||||
|
MD5STEP (F1, b, c, d, a, in[3] + 0xc1bdceee, 22);
|
||||||
|
MD5STEP (F1, a, b, c, d, in[4] + 0xf57c0faf, 7);
|
||||||
|
MD5STEP (F1, d, a, b, c, in[5] + 0x4787c62a, 12);
|
||||||
|
MD5STEP (F1, c, d, a, b, in[6] + 0xa8304613, 17);
|
||||||
|
MD5STEP (F1, b, c, d, a, in[7] + 0xfd469501, 22);
|
||||||
|
MD5STEP (F1, a, b, c, d, in[8] + 0x698098d8, 7);
|
||||||
|
MD5STEP (F1, d, a, b, c, in[9] + 0x8b44f7af, 12);
|
||||||
|
MD5STEP (F1, c, d, a, b, in[10] + 0xffff5bb1, 17);
|
||||||
|
MD5STEP (F1, b, c, d, a, in[11] + 0x895cd7be, 22);
|
||||||
|
MD5STEP (F1, a, b, c, d, in[12] + 0x6b901122, 7);
|
||||||
|
MD5STEP (F1, d, a, b, c, in[13] + 0xfd987193, 12);
|
||||||
|
MD5STEP (F1, c, d, a, b, in[14] + 0xa679438e, 17);
|
||||||
|
MD5STEP (F1, b, c, d, a, in[15] + 0x49b40821, 22);
|
||||||
|
|
||||||
|
MD5STEP (F2, a, b, c, d, in[1] + 0xf61e2562, 5);
|
||||||
|
MD5STEP (F2, d, a, b, c, in[6] + 0xc040b340, 9);
|
||||||
|
MD5STEP (F2, c, d, a, b, in[11] + 0x265e5a51, 14);
|
||||||
|
MD5STEP (F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20);
|
||||||
|
MD5STEP (F2, a, b, c, d, in[5] + 0xd62f105d, 5);
|
||||||
|
MD5STEP (F2, d, a, b, c, in[10] + 0x02441453, 9);
|
||||||
|
MD5STEP (F2, c, d, a, b, in[15] + 0xd8a1e681, 14);
|
||||||
|
MD5STEP (F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20);
|
||||||
|
MD5STEP (F2, a, b, c, d, in[9] + 0x21e1cde6, 5);
|
||||||
|
MD5STEP (F2, d, a, b, c, in[14] + 0xc33707d6, 9);
|
||||||
|
MD5STEP (F2, c, d, a, b, in[3] + 0xf4d50d87, 14);
|
||||||
|
MD5STEP (F2, b, c, d, a, in[8] + 0x455a14ed, 20);
|
||||||
|
MD5STEP (F2, a, b, c, d, in[13] + 0xa9e3e905, 5);
|
||||||
|
MD5STEP (F2, d, a, b, c, in[2] + 0xfcefa3f8, 9);
|
||||||
|
MD5STEP (F2, c, d, a, b, in[7] + 0x676f02d9, 14);
|
||||||
|
MD5STEP (F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20);
|
||||||
|
|
||||||
|
MD5STEP (F3, a, b, c, d, in[5] + 0xfffa3942, 4);
|
||||||
|
MD5STEP (F3, d, a, b, c, in[8] + 0x8771f681, 11);
|
||||||
|
MD5STEP (F3, c, d, a, b, in[11] + 0x6d9d6122, 16);
|
||||||
|
MD5STEP (F3, b, c, d, a, in[14] + 0xfde5380c, 23);
|
||||||
|
MD5STEP (F3, a, b, c, d, in[1] + 0xa4beea44, 4);
|
||||||
|
MD5STEP (F3, d, a, b, c, in[4] + 0x4bdecfa9, 11);
|
||||||
|
MD5STEP (F3, c, d, a, b, in[7] + 0xf6bb4b60, 16);
|
||||||
|
MD5STEP (F3, b, c, d, a, in[10] + 0xbebfbc70, 23);
|
||||||
|
MD5STEP (F3, a, b, c, d, in[13] + 0x289b7ec6, 4);
|
||||||
|
MD5STEP (F3, d, a, b, c, in[0] + 0xeaa127fa, 11);
|
||||||
|
MD5STEP (F3, c, d, a, b, in[3] + 0xd4ef3085, 16);
|
||||||
|
MD5STEP (F3, b, c, d, a, in[6] + 0x04881d05, 23);
|
||||||
|
MD5STEP (F3, a, b, c, d, in[9] + 0xd9d4d039, 4);
|
||||||
|
MD5STEP (F3, d, a, b, c, in[12] + 0xe6db99e5, 11);
|
||||||
|
MD5STEP (F3, c, d, a, b, in[15] + 0x1fa27cf8, 16);
|
||||||
|
MD5STEP (F3, b, c, d, a, in[2] + 0xc4ac5665, 23);
|
||||||
|
|
||||||
|
MD5STEP (F4, a, b, c, d, in[0] + 0xf4292244, 6);
|
||||||
|
MD5STEP (F4, d, a, b, c, in[7] + 0x432aff97, 10);
|
||||||
|
MD5STEP (F4, c, d, a, b, in[14] + 0xab9423a7, 15);
|
||||||
|
MD5STEP (F4, b, c, d, a, in[5] + 0xfc93a039, 21);
|
||||||
|
MD5STEP (F4, a, b, c, d, in[12] + 0x655b59c3, 6);
|
||||||
|
MD5STEP (F4, d, a, b, c, in[3] + 0x8f0ccc92, 10);
|
||||||
|
MD5STEP (F4, c, d, a, b, in[10] + 0xffeff47d, 15);
|
||||||
|
MD5STEP (F4, b, c, d, a, in[1] + 0x85845dd1, 21);
|
||||||
|
MD5STEP (F4, a, b, c, d, in[8] + 0x6fa87e4f, 6);
|
||||||
|
MD5STEP (F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10);
|
||||||
|
MD5STEP (F4, c, d, a, b, in[6] + 0xa3014314, 15);
|
||||||
|
MD5STEP (F4, b, c, d, a, in[13] + 0x4e0811a1, 21);
|
||||||
|
MD5STEP (F4, a, b, c, d, in[4] + 0xf7537e82, 6);
|
||||||
|
MD5STEP (F4, d, a, b, c, in[11] + 0xbd3af235, 10);
|
||||||
|
MD5STEP (F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15);
|
||||||
|
MD5STEP (F4, b, c, d, a, in[9] + 0xeb86d391, 21);
|
||||||
|
|
||||||
|
buf[0] += a;
|
||||||
|
buf[1] += b;
|
||||||
|
buf[2] += c;
|
||||||
|
buf[3] += d;
|
||||||
|
}
|
||||||
28
ext/wavpack/md5.h
Normal file
28
ext/wavpack/md5.h
Normal file
|
|
@ -0,0 +1,28 @@
|
||||||
|
#ifndef MD5_H
|
||||||
|
#define MD5_H
|
||||||
|
|
||||||
|
#include "_stdint.h"
|
||||||
|
|
||||||
|
#ifndef uint32
|
||||||
|
typedef uint32_t uint32;
|
||||||
|
#endif
|
||||||
|
|
||||||
|
struct MD5Context
|
||||||
|
{
|
||||||
|
uint32 buf[4];
|
||||||
|
uint32 bits[2];
|
||||||
|
unsigned char in[64];
|
||||||
|
};
|
||||||
|
|
||||||
|
extern void MD5Init (struct MD5Context *ctx);
|
||||||
|
extern void MD5Update (struct MD5Context *ctx, unsigned char *buf,
|
||||||
|
unsigned len);
|
||||||
|
extern void MD5Final (unsigned char digest[16], struct MD5Context *ctx);
|
||||||
|
extern void MD5Transform (uint32 buf[4], uint32 in[16]);
|
||||||
|
|
||||||
|
/*
|
||||||
|
* This is needed to make RSAREF happy on some MS-DOS compilers.
|
||||||
|
*/
|
||||||
|
typedef struct MD5Context MD5_CTX;
|
||||||
|
|
||||||
|
#endif /* !MD5_H */
|
||||||
Loading…
Reference in a new issue