saml/encryption/EncryptedKeyResolver.h

   1 /*
   2  *  Copyright 2001-2007 Internet2
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 /**
  18  * @file saml/encryption/EncryptedKeyResolver.h
  19  *
  20  * SAML-specific encrypted key resolver
  21  */
  22
  23 #ifndef __saml_enckeyres_h__
  24 #define __saml_enckeyres_h__
  25
  26 #include <saml/base.h>
  27 #include <saml/saml2/core/Assertions.h>
  28 #include <xmltooling/encryption/EncryptedKeyResolver.h>
  29
  30 namespace opensaml {
  31
  32     /**
  33      * SAML-specific encrypted key resolver.
  34      *
  35      * SAML allows placement of keys alongside the encrypted data. This resolver
  36      * recognizes the implied placement.
  37      */
  38     class SAML_API EncryptedKeyResolver : public xmlencryption::EncryptedKeyResolver
  39     {
  40     public:
  41         EncryptedKeyResolver(const saml2::EncryptedElementType& ref, const XMLCh* recipient=NULL)
  42             : m_ref(ref), m_recipient(XMLString::replicate(recipient)) {
  43         }
  44
  45         virtual ~EncryptedKeyResolver() {
  46             XMLString::release(&m_recipient);
  47         }
  48
  49         xmlencryption::EncryptedKey* resolveKey(xmlencryption::EncryptedData& encryptedData) const;
  50
  51     protected:
  52         const saml2::EncryptedElementType& m_ref;
  53         XMLCh* m_recipient;
  54     };
  55
  56 };
  57
  58 #endif /* __saml_enckeyres_h__ */