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-rw-r--r--modules/mod_crypt/mod_crypt.c110
1 files changed, 110 insertions, 0 deletions
diff --git a/modules/mod_crypt/mod_crypt.c b/modules/mod_crypt/mod_crypt.c
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+++ b/modules/mod_crypt/mod_crypt.c
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+/*
+ * Copyright © 2006-2016 SplinterGU (Fenix/Bennugd)
+ * Copyright © 2002-2006 Fenix Team (Fenix)
+ * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix)
+ *
+ * This file is part of Bennu - Game Development
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ *
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ *
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+ *
+ */
+
+#include "b_crypt.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "bgddl.h"
+
+/* --------------------------------------------------------------------------- */
+
+static int modcrypt_new( INSTANCE * my, int * params )
+{
+ return ( ( int ) crypt_create( params[0], ( char * ) params[1] ) );
+}
+
+/* --------------------------------------------------------------------------- */
+
+static int modcrypt_del( INSTANCE * my, int * params )
+{
+ crypt_destroy( ( crypt_handle * ) params[0] );
+ return 1;
+}
+
+/* --------------------------------------------------------------------------- */
+
+static int __crypt( crypt_handle * ch, char * in, char * out, int blocks, int enc )
+{
+ if ( !ch || !in || !out || blocks <= 0 ) return -1;
+
+ while ( blocks-- )
+ {
+ if ( crypt_data( ch, in, out, 8, enc ) <= 0 ) return -1;
+ in += 8;
+ out += 8;
+ }
+
+ return 0;
+}
+
+/* --------------------------------------------------------------------------- */
+
+static int modcrypt_encrypt( INSTANCE * my, int * params )
+{
+ return ( __crypt( ( crypt_handle * ) params[0], ( char * ) params[1], ( char * ) params[2], params[3], 1 ) );
+}
+
+/* --------------------------------------------------------------------------- */
+
+static int modcrypt_decrypt( INSTANCE * my, int * params )
+{
+ return ( __crypt( ( crypt_handle * ) params[0], ( char * ) params[1], ( char * ) params[2], params[3], 0 ) );
+}
+
+/* --------------------------------------------------------------------------- */
+
+static int modcrypt_encrypt2( INSTANCE * my, int * params )
+{
+ int r;
+ crypt_handle * ch = crypt_create( params[0], ( char * ) params[1] );
+ r = __crypt( ch, ( char * ) params[2], ( char * ) params[3], params[4], 1 );
+ crypt_destroy( ch );
+ return r;
+}
+
+/* --------------------------------------------------------------------------- */
+
+static int modcrypt_decrypt2( INSTANCE * my, int * params )
+{
+ int r;
+ crypt_handle * ch = crypt_create( params[0], ( char * ) params[1] );
+ r = __crypt( ch, ( char * ) params[2], ( char * ) params[3], params[4], 0 );
+ crypt_destroy( ch );
+ return r;
+}
+
+/* --------------------------------------------------------------------------- */
+/* exports */
+/* --------------------------------------------------------------------------- */
+
+#include "mod_crypt_exports.h"
+
+/* --------------------------------------------------------------------------- */