1 files changed, 72 insertions, 0 deletions
diff --git a/source/blender/writestreamglue/intern/BLO_getPubKey.c b/source/blender/writestreamglue/intern/BLO_getPubKey.c
new file mode 100644
index 00000000000..d691c0ae2be
--- /dev/null
+++ b/source/blender/writestreamglue/intern/BLO_getPubKey.c
@@ -0,0 +1,72 @@
+/**
+ * $Id$
+ *
+ * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
+ *
+ * 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. The Blender
+ * Foundation also sells licenses for use in proprietary software under
+ * the Blender License.  See http://www.blender.org/BL/ for information
+ * about this.
+ *
+ * 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.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL/BL DUAL LICENSE BLOCK *****
+ * Publisher only: get the public key from the .BPkeyfile
+ */
+
+#include <stdlib.h>
+
+#include "BLO_keyStore.h"
+#include "BLO_getPubKey.h"
+
+	int
+getPubKey(byte *dataStreamPubKey,
+		  int dataStreamPubKeyLen,
+		  byte **publisherPubKey,
+		  int *publisherPubKeyLen)
+{
+	int err = 0;
+
+	*publisherPubKeyLen = keyStoreGetPubKey(publisherPubKey);
+
+	if (*publisherPubKeyLen == 0) {
+		// we're a publisher without .BPkey
+		*publisherPubKey = NULL;
+		return 1;
+	}
+
+	if (dataStreamPubKeyLen != *publisherPubKeyLen) {
+		// different keys
+		*publisherPubKeyLen = 0;
+		*publisherPubKey = NULL;
+		return 2;
+	}
+
+	if (memcmp(dataStreamPubKey, *publisherPubKey, *publisherPubKeyLen)
+		!= 0) {
+		// different keys
+		*publisherPubKeyLen = 0;
+		*publisherPubKey = NULL;
+		return 3;
+	}
+
+	return err;
+}
+