--- /dev/null
+/*
+ * Copyright (c) 2000-2004,2006,2011,2014 Apple Inc. All Rights Reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+
+//
+// ssclient - SecurityServer client interface library
+//
+#include "ssblob.h"
+
+
+namespace Security {
+namespace SecurityServer {
+
+
+//
+// Initialize the blob header for a given version
+//
+void CommonBlob::initialize(uint32 version)
+{
+ magic = magicNumber;
+ this->blobVersion = version;
+}
+
+
+//
+// Verify the blob header for basic sane-ness.
+//
+bool CommonBlob::isValid() const
+{
+ return magic == magicNumber;
+}
+
+void CommonBlob::validate(CSSM_RETURN failureCode) const
+{
+ if (!isValid())
+ CssmError::throwMe(failureCode);
+}
+
+/*
+ * This string is placed in KeyBlob.blobSignature to indicate a cleartext
+ * public key.
+ */
+static const char clearPubKeySig[] = "Cleartext public key";
+
+bool KeyBlob::isClearText()
+{
+ return (memcmp(blobSignature, clearPubKeySig,
+ sizeof(blobSignature)) == 0);
+}
+
+void KeyBlob::setClearTextSignature()
+{
+ memmove(blobSignature, clearPubKeySig, sizeof(blobSignature));
+}
+
+
+
+} // end namespace SecurityServer
+
+} // end namespace Security