libsecurityd/lib/ssblob.cpp

   1 /*
   2  * Copyright (c) 2000-2004,2006 Apple Computer, Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24
  25 //
  26 // ssclient - SecurityServer client interface library
  27 //
  28 #include "ssblob.h"
  29
  30
  31 namespace Security {
  32 namespace SecurityServer {
  33
  34
  35 //
  36 // Initialize the blob header for a given version
  37 //
  38 void CommonBlob::initialize(uint32 version)
  39 {
  40     magic = magicNumber;
  41     this->blobVersion = version;
  42 }
  43
  44
  45 //
  46 // Verify the blob header for basic sane-ness.
  47 //
  48 bool CommonBlob::isValid() const
  49 {
  50         return magic == magicNumber;
  51 }
  52
  53 void CommonBlob::validate(CSSM_RETURN failureCode) const
  54 {
  55     if (!isValid())
  56         CssmError::throwMe(failureCode);
  57 }
  58
  59 /*
  60  * This string is placed in KeyBlob.blobSignature to indicate a cleartext
  61  * public key.
  62  */
  63 static const char clearPubKeySig[] = "Cleartext public key";
  64
  65 bool KeyBlob::isClearText()
  66 {
  67         return (memcmp(blobSignature, clearPubKeySig,
  68                 sizeof(blobSignature)) == 0);
  69 }
  70
  71 void KeyBlob::setClearTextSignature()
  72 {
  73         memmove(blobSignature, clearPubKeySig, sizeof(blobSignature));
  74 }
  75
  76
  77
  78 } // end namespace SecurityServer
  79
  80 } // end namespace Security