00001 /* 00002 * The Apache Software License, Version 1.1 00003 * 00004 * 00005 * Copyright (c) 1999 The Apache Software Foundation. All rights 00006 * reserved. 00007 * 00008 * Redistribution and use in source and binary forms, with or without 00009 * modification, are permitted provided that the following conditions 00010 * are met: 00011 * 00012 * 1. Redistributions of source code must retain the above copyright 00013 * notice, this list of conditions and the following disclaimer. 00014 * 00015 * 2. Redistributions in binary form must reproduce the above copyright 00016 * notice, this list of conditions and the following disclaimer in 00017 * the documentation and/or other materials provided with the 00018 * distribution. 00019 * 00020 * 3. The end-user documentation included with the redistribution, 00021 * if any, must include the following acknowledgment: 00022 * "This product includes software developed by the 00023 * Apache Software Foundation (http://www.apache.org/)." 00024 * Alternately, this acknowledgment may appear in the software itself, 00025 * if and wherever such third-party acknowledgments normally appear. 00026 * 00027 * 4. The names "<WebSig>" and "Apache Software Foundation" must 00028 * not be used to endorse or promote products derived from this 00029 * software without prior written permission. For written 00030 * permission, please contact apache@apache.org. 00031 * 00032 * 5. Products derived from this software may not be called "Apache", 00033 * nor may "Apache" appear in their name, without prior written 00034 * permission of the Apache Software Foundation. 00035 * 00036 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 00037 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00038 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00039 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 00040 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00041 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00042 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 00043 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 00044 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00045 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 00046 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00047 * SUCH DAMAGE. 00048 * ==================================================================== 00049 * 00050 * This software consists of voluntary contributions made by many 00051 * individuals on behalf of the Apache Software Foundation and was 00052 * originally based on software copyright (c) 2001, Institute for 00053 * Data Communications Systems, <http://www.nue.et-inf.uni-siegen.de/>. 00054 * The development of this software was partly funded by the European 00055 * Commission in the <WebSig> project in the ISIS Programme. 00056 * For more information on the Apache Software Foundation, please see 00057 * <http://www.apache.org/>. 00058 */ 00059 00060 /* 00061 * XSEC 00062 * 00063 * OpenSSLCryptoHashHMAC := OpenSSL Implementation of HMAC 00064 * 00065 * Author(s): Berin Lautenbach 00066 * 00067 * $ID$ 00068 * 00069 * $LOG$ 00070 * 00071 */ 00072 00073 #ifndef OPENSSLCRYPTOHASHHMAC_INCLUDE 00074 #define OPENSSLCRYPTOHASHHMAC_INCLUDE 00075 00076 #include <xsec/framework/XSECDefs.hpp> 00077 #include <xsec/enc/XSECCryptoHash.hpp> 00078 #include <xsec/utils/XSECSafeBuffer.hpp> 00079 00080 // OpenSSL Includes 00081 00082 #include <openssl/evp.h> 00083 #include <openssl/hmac.h> 00084 00085 class DSIG_EXPORT OpenSSLCryptoHashHMAC : public XSECCryptoHash { 00086 00087 00088 public : 00089 00090 // Constructors/Destructors 00091 00092 OpenSSLCryptoHashHMAC(XSECCryptoHash::HashType alg); 00093 virtual ~OpenSSLCryptoHashHMAC(); 00094 00095 // Key activities 00096 virtual void setKey(XSECCryptoKey * key); 00097 00098 // Hashing Activities 00099 virtual void reset(void); // Reset the hash 00100 virtual void hash(unsigned char * data, 00101 unsigned int length); // Hash some data 00102 virtual unsigned int finish(unsigned char * hash, 00103 unsigned int maxLength);// Finish and get hash 00104 00105 // Get information 00106 virtual HashType getHashType(void); 00107 00108 private: 00109 00110 // Not implemented constructors 00111 OpenSSLCryptoHashHMAC(); 00112 00113 const EVP_MD * mp_md; // Digest instance 00114 unsigned char m_mdValue[EVP_MAX_MD_SIZE]; // Final output 00115 unsigned int m_mdLen; // Length of digest 00116 HashType m_hashType; // What type of hash is this? 00117 HMAC_CTX m_hctx; // Context for HMAC 00118 safeBuffer m_keyBuf; // The loaded key 00119 unsigned int m_keyLen; // The loaded key length 00120 bool m_initialised; 00121 00122 }; 00123 00124 #endif /* OPENSSLCRYPTOHASHHMAC_INCLUDE */