lavu: Add RIPEMD hashing

Includes RIPEMD-128, RIPEMD-160, RIPEMD-256 and RIPEMD-320
Signed-off-by: James Almer <jamrial@gmail.com>

MAINTAINERS

@@ -68,6 +68,7 @@ Other:
   integer.c, integer.h                  Michael Niedermayer
   bswap.h
   opencl.c, opencl.h                    Wei Gao
+  ripemd.c, ripemd.h                    James Almer
 
 
 libavcodec

doc/APIchanges

@@ -16,6 +16,13 @@ libavutil:     2012-10-22
 API changes, most recent first:
 
 
+2013-06-xx - xxxxxxx - lavu 52.36.100
+  Add AVRIPEMD:
+   av_ripemd_alloc()
+   av_ripemd_init()
+   av_ripemd_update()
+   av_ripemd_final()
+
 2013-06-05 - fc962d4 - lavu 52.13.0 - mem.h
   Add av_realloc_array and av_reallocp_array
 

libavutil/Makefile

@@ -43,6 +43,7 @@ HEADERS = adler32.h                                                     \
           pixfmt.h                                                      \
           random_seed.h                                                 \
           rational.h                                                    \
+          ripemd.h                                                      \
           samplefmt.h                                                   \
           sha.h                                                         \
           sha512.h                                                      \
@@ -102,6 +103,7 @@ OBJS = adler32.o                                                        \
        random_seed.o                                                    \
        rational.o                                                       \
        rc4.o                                                            \
+       ripemd.o                                                         \
        samplefmt.o                                                      \
        sha.o                                                            \
        sha512.o                                                         \
@@ -148,6 +150,7 @@ TESTPROGS = adler32                                                     \
             parseutils                                                  \
             random_seed                                                 \
             rational                                                    \
+            ripemd                                                      \
             sha                                                         \
             sha512                                                      \
             tree                                                        \

libavutil/ripemd.h

+/*
+ * Copyright (C) 2007 Michael Niedermayer <michaelni@gmx.at>
+ * Copyright (C) 2013 James Almer <jamrial@gmail.com>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVUTIL_RIPEMD_H
+#define AVUTIL_RIPEMD_H
+
+#include <stdint.h>
+
+#include "attributes.h"
+#include "version.h"
+
+/**
+ * @defgroup lavu_ripemd RIPEMD
+ * @ingroup lavu_crypto
+ * @{
+ */
+
+extern const int av_ripemd_size;
+
+struct AVRIPEMD;
+
+/**
+ * Allocate an AVRIPEMD context.
+ */
+struct AVRIPEMD *av_ripemd_alloc(void);
+
+/**
+ * Initialize RIPEMD hashing.
+ *
+ * @param context pointer to the function context (of size av_ripemd_size)
+ * @param bits    number of bits in digest (128, 160, 256 or 320 bits)
+ * @return        zero if initialization succeeded, -1 otherwise
+ */
+int av_ripemd_init(struct AVRIPEMD* context, int bits);
+
+/**
+ * Update hash value.
+ *
+ * @param context hash function context
+ * @param data    input data to update hash with
+ * @param len     input data length
+ */
+void av_ripemd_update(struct AVRIPEMD* context, const uint8_t* data, unsigned int len);
+
+/**
+ * Finish hashing and output digest value.
+ *
+ * @param context hash function context
+ * @param digest  buffer where output digest value is stored
+ */
+void av_ripemd_final(struct AVRIPEMD* context, uint8_t *digest);
+
+/**
+ * @}
+ */
+
+#endif /* AVUTIL_RIPEMD_H */

libavutil/version.h

@@ -75,7 +75,7 @@
  */
 
 #define LIBAVUTIL_VERSION_MAJOR  52
-#define LIBAVUTIL_VERSION_MINOR  36
+#define LIBAVUTIL_VERSION_MINOR  37
 #define LIBAVUTIL_VERSION_MICRO 100
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \

tests/fate/libavutil.mak

@@ -66,6 +66,10 @@ FATE_LIBAVUTIL += fate-random_seed
 fate-random_seed: libavutil/random_seed-test$(EXESUF)
 fate-random_seed: CMD = run libavutil/random_seed-test
 
+FATE_LIBAVUTIL += fate-ripemd
+fate-ripemd: libavutil/ripemd-test$(EXESUF)
+fate-ripemd: CMD = run libavutil/ripemd-test
+
 FATE_LIBAVUTIL += fate-sha
 fate-sha: libavutil/sha-test$(EXESUF)
 fate-sha: CMD = run libavutil/sha-test

tests/ref/fate/ripemd

+Testing RIPEMD-128
+C14A12199C66E4BA84636B0F69144C77
+A1AA0689D0FAFA2DDC22E88B49133A06
+4A7F5723F954EBA1216C9D8F6320431F
+c14a1219 9c66e4ba 84636b0f 69144c77
+a1aa0689 d0fafa2d dc22e88b 49133a06
+4a7f5723 f954eba1 216c9d8f 6320431f
+Testing RIPEMD-160
+8EB208F7E05D987A9B044A8E98C6B087F15A0BFC
+12A053384A9C0C88E405A06C27DCF49ADA62EB2B
+52783243C1697BDBE16D37F97F68F08325DC1528
+8eb208f7 e05d987a 9b044a8e 98c6b087 f15a0bfc
+12a05338 4a9c0c88 e405a06c 27dcf49a da62eb2b
+52783243 c1697bdb e16d37f9 7f68f083 25dc1528
+Testing RIPEMD-256
+AFBD6E228B9D8CBBCEF5CA2D03E6DBA10AC0BC7DCBE4680E1E42D2E975459B65
+3843045583AAC6C8C8D9128573E7A9809AFB2A0F34CCC36EA9E72F16F6368E3F
+AC953744E10E31514C150D4D8D7B677342E33399788296E43AE4850CE4F97978
+afbd6e22 8b9d8cbb cef5ca2d 03e6dba1 0ac0bc7d cbe4680e 1e42d2e9 75459b65
+38430455 83aac6c8 c8d91285 73e7a980 9afb2a0f 34ccc36e a9e72f16 f6368e3f
+ac953744 e10e3151 4c150d4d 8d7b6773 42e33399 788296e4 3ae4850c e4f97978
+Testing RIPEMD-320
+DE4C01B3054F8930A79D09AE738E92301E5A17085BEFFDC1B8D116713E74F82FA942D64CDBC4682D
+D034A7950CF722021BA4B84DF769A5DE2060E259DF4C9BB4A4268C0E935BBC7470A969C9D072A1AC
+BDEE37F4371E20646B8B0D862DDA16292AE36F40965E8C8509E63D1DBDDECC503E2B63EB9245BB66
+de4c01b3 054f8930 a79d09ae 738e9230 1e5a1708 5beffdc1 b8d11671 3e74f82f a942d64c dbc4682d
+d034a795 0cf72202 1ba4b84d f769a5de 2060e259 df4c9bb4 a4268c0e 935bbc74 70a969c9 d072a1ac
+bdee37f4 371e2064 6b8b0d86 2dda1629 2ae36f40 965e8c85 09e63d1d bddecc50 3e2b63eb 9245bb66