2 * Copyright 2001-2007 Internet2
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
18 * @file xmltooling/security/Credential.h
20 * Wraps keys and related functionality.
23 #if !defined(__xmltooling_cred_h__) && !defined(XMLTOOLING_NO_XMLSEC)
24 #define __xmltooling_cred_h__
26 #include <xmltooling/base.h>
27 #include <xsec/enc/XSECCryptoKey.hpp>
29 namespace xmlsignature {
30 class XMLTOOL_API KeyInfo;
33 namespace xmltooling {
36 * Wraps keys and related functionality.
38 * <p>Shared credential implementations should implement reference counting
39 * and honor any locking parameters to ensure appropriate synchronization.
41 class XMLTOOL_API Credential
43 MAKE_NONCOPYABLE(Credential);
48 virtual ~Credential() {}
55 * Returns an algorithm identifier for the Credential.
57 * @return the Credential algorithm, or NULL if indeterminate
59 virtual const char* getAlgorithm() const=0;
62 * Returns the size of the key.
64 * @return the key size, or 0 if indeterminate
66 virtual unsigned int getKeySize() const=0;
69 * Returns a secret or private key to use for signing or decryption operations.
71 * @return a secret or private key
73 virtual XSECCryptoKey* getPrivateKey() const=0;
76 * Returns a secret or public key to use for verification or encryption operations.
78 * @return a secret or public key
80 virtual XSECCryptoKey* getPublicKey() const=0;
83 * Returns names representing the Credential, generally when the Credential itself merely
84 * points to a Credential rather than containing one.
86 * @param results array to populate with names
87 * @return the number of names returned
89 virtual std::vector<std::string>::size_type getKeyNames(std::vector<std::string>& results) const=0;
92 * Returns a ds:KeyInfo object representing the Credential for use in
93 * communicating with other entities.
95 * @param compact true iff the communication medium is such that only compact forms should be included
96 * @return reference to a KeyInfo object
98 virtual const xmlsignature::KeyInfo* getKeyInfo(bool compact=false) const=0;
101 * Compares the public key inside the Credential to a second public key.
103 * @param key the public key to compare
104 * @return true iff the keys are equal
106 virtual bool isEqual(XSECCryptoKey& key) const;
110 #endif /* __xmltooling_cred_h__ */