Update libsrtp to version 2.0

srtp/crypto/math/gf2_8.c

Index: srtp/crypto/math/gf2_8.c
diff --git a/srtp/crypto/math/gf2_8.c b/srtp/crypto/math/gf2_8.c
deleted file mode 100644
index c57f8d232a7459a84c1da498ec11d590b339042e..0000000000000000000000000000000000000000
--- a/srtp/crypto/math/gf2_8.c
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * gf2_8.c
- *
- * GF(256) finite field implementation, with the representation used
- * in the AES cipher.
- * 
- * David A. McGrew
- * Cisco Systems, Inc.
- */
-
-/*
- *	
- * Copyright (c) 2001-2006, Cisco Systems, Inc.
- * All rights reserved.
- * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 
- *   Redistributions of source code must retain the above copyright
- *   notice, this list of conditions and the following disclaimer.
- * 
- *   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.
- * 
- *   Neither the name of the Cisco Systems, Inc. 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 COPYRIGHT HOLDERS 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
- * COPYRIGHT HOLDERS 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.
- *
- */
-
-
-#ifdef HAVE_CONFIG_H
-    #include <config.h>
-#endif
-
-#include "datatypes.h"
-#include "gf2_8.h"
-
-/* gf2_8_shift() moved to gf2_8.h as an inline function */
-
-gf2_8
-gf2_8_multiply(gf2_8 x, gf2_8 y) {
-  gf2_8 z = 0;
-
-  if (y &   1) z ^= x; x = gf2_8_shift(x);
-  if (y &   2) z ^= x; x = gf2_8_shift(x);
-  if (y &   4) z ^= x; x = gf2_8_shift(x);
-  if (y &   8) z ^= x; x = gf2_8_shift(x);
-  if (y &  16) z ^= x; x = gf2_8_shift(x);
-  if (y &  32) z ^= x; x = gf2_8_shift(x);
-  if (y &  64) z ^= x; x = gf2_8_shift(x);
-  if (y & 128) z ^= x; 
-  
-  return z;
-}
-
-
-/* this should use the euclidean algorithm */
-
-gf2_8
-gf2_8_compute_inverse(gf2_8 x) {
-  unsigned int i;
-
-  if (x == 0) return 0;    /* zero is a special case */
-  for (i=0; i < 256; i++)
-    if (gf2_8_multiply((gf2_8) i, x) == 1)
-      return (gf2_8) i;
-
-    return 0;
-}
-