src/tempdatabase.h

   1 /*
   2  * Copyright (c) 2004 Apple Computer, Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25
  26
  27 //
  28 // tempdatabase - temporary (scratch) storage for keys
  29 //
  30 // A TempDatabase locally manages keys using the AppleCSP while providing
  31 // no persistent storage. Keys live until they are no longer referenced in
  32 // client space, at which point they are destroyed.
  33 //
  34 #ifndef _H_TEMPDATABASE
  35 #define _H_TEMPDATABASE
  36
  37 #include "localdatabase.h"
  38
  39
  40 //
  41 // A Database object represents an Apple CSP/DL open database (DL/DB) object.
  42 // It maintains its protected semantic state (including keys) and provides controlled
  43 // access.
  44 //
  45 class TempDatabase : public LocalDatabase {
  46 public:
  47         TempDatabase(Process &proc);
  48
  49         const char *dbName() const;
  50
  51         void generateKey(const Context &context,
  52                          const AccessCredentials *cred,
  53                          const AclEntryPrototype *owner, uint32 usage,
  54                          uint32 attrs, RefPointer<Key> &newKey);
  55
  56 protected:
  57         void getSecurePassphrase(const Context &context, string &passphrase);
  58         void makeSecurePassphraseKey(const Context &context, const AccessCredentials *cred,
  59                                                                  const AclEntryPrototype *owner, uint32 usage,
  60                                                                  uint32 attrs, RefPointer<Key> &newKey);
  61
  62         RefPointer<Key> makeKey(const CssmKey &newKey, uint32 moreAttributes,
  63                 const AclEntryPrototype *owner);
  64 };
  65
  66 #endif //_H_TEMPDATABASE