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diff --git a/Build/source/texk/dvipdfm-x/dpxcrypt.h b/Build/source/texk/dvipdfm-x/dpxcrypt.h
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+/*
+
+ This is DVIPDFMx, an eXtended version of DVIPDFM by Mark A. Wicks.
+
+ Copyright (C) 2003-2012 by Jin-Hwan Cho and Shunsaku Hirata,
+ the dvipdfmx project team.
+
+ 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 of the License, 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.
+
+ 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.
+*/
+
+#ifndef _DPXCRYPT_H_
+#define _DPXCRYPT_H_
+
+#include <stdio.h>
+
+/* libgcrypt md5 */
+typedef struct {
+ unsigned long A,B,C,D; /* chaining variables */
+ unsigned long nblocks;
+ unsigned char buf[64];
+ int count;
+} MD5_CONTEXT;
+
+void MD5_init (MD5_CONTEXT *ctx);
+void MD5_write (MD5_CONTEXT *ctx, const unsigned char *inbuf, unsigned long inlen);
+void MD5_final (unsigned char *outbuf, MD5_CONTEXT *ctx);
+
+/* libgcrypt arcfour */
+typedef struct {
+ int idx_i, idx_j;
+ unsigned char sbox[256];
+} ARC4_KEY;
+
+void ARC4 (ARC4_KEY *ctx, unsigned long len, const unsigned char *inbuf, unsigned char *outbuf);
+void ARC4_set_key (ARC4_KEY *ctx, unsigned int keylen, const unsigned char *key);
+
+#endif /* _DPXCRYPT_H_ */