Mixe for Privacy and Anonymity in the Internet
CAASymCipher.hpp
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00001 /*
00002 Copyright (c) 2000, The JAP-Team 
00003 All rights reserved.
00004 Redistribution and use in source and binary forms, with or without modification, 
00005 are permitted provided that the following conditions are met:
00006 
00007   - Redistributions of source code must retain the above copyright notice, 
00008     this list of conditions and the following disclaimer.
00009 
00010   - Redistributions in binary form must reproduce the above copyright notice, 
00011     this list of conditions and the following disclaimer in the documentation and/or 
00012     other materials provided with the distribution.
00013 
00014   - Neither the name of the University of Technology Dresden, Germany nor the names of its contributors 
00015     may be used to endorse or promote products derived from this software without specific 
00016     prior written permission. 
00017 
00018   
00019 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS 
00020 OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY 
00021 AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS
00022 BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
00023 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
00024 OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 
00025 IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
00026 OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
00027 */
00028 #ifndef __CAASYMCIPHER__
00029 #define __CAASYMCIPHER__
00030 #include "CACertificate.hpp"
00031 
00032 #define RSA_SIZE 128
00033 
00034 class CAASymCipher
00035   {
00036     public:
00037       CAASymCipher();
00038       ~CAASymCipher();
00039       SINT32 destroy();
00040       SINT32 decrypt(const UINT8* from,UINT8* to);
00041       SINT32 decryptOAEP(const UINT8* from,UINT8* to,UINT32* len);
00042       SINT32 encrypt(const UINT8* from,UINT8* to);
00043       SINT32 encryptOAEP(const UINT8* from,UINT32 fromlen,UINT8* to,UINT32* len);
00044       SINT32 encryptPKCS1(const UINT8* from,UINT32 fromlen,UINT8* to,UINT32* len);
00045       SINT32 generateKeyPair(UINT32 size);
00046       //SINT32 getPublicKey(UINT8* buff,UINT32 *len);
00047 #ifndef ONLY_LOCAL_PROXY
00048   private:
00049     SINT32 addKeyPart(DOMElement* elemRoot,XERCES_CPP_NAMESPACE::DOMDocument* docOwner,const char* partName,BIGNUM* part);
00050   public:
00051       SINT32 getPublicKeyAsXML(UINT8* buff,UINT32* len);
00052       SINT32 getPublicKeyAsDOMElement(DOMElement* & elemRoot,XERCES_CPP_NAMESPACE::DOMDocument* docOwner);
00053 #ifdef EXPORT_ASYM_PRIVATE_KEY
00054       SINT32 getPrivateKeyAsXML(UINT8* buff,UINT32* len);
00055       SINT32 getPrivateKeyAsDOMElement(DOMElement* & elemRoot,XERCES_CPP_NAMESPACE::DOMDocument* docOwner);
00056       SINT32 setPrivateKeyAsXML(const UINT8* buff,UINT32 len);
00057       SINT32 setPrivateKeyAsDOMNode(DOMNode* node);
00058 #endif
00059       //SINT32 getPublicKeySize();
00060       //SINT32 setPublicKey(UINT8* buff,UINT32* len);
00061       SINT32 setPublicKey(const CACertificate* pCert);
00062       SINT32 setPublicKeyAsXML(const UINT8* buff,UINT32 len);
00063 #endif
00064   private:
00065     SINT32 getKeyPart(BIGNUM** part,DOMNode* node);
00066   public:
00067       SINT32 setPublicKeyAsDOMNode(DOMNode* node);
00068 
00069       //Set the public key from a Base64 encodes exponent and modulus
00070       SINT32 setPublicKey(const UINT8* modulus,UINT32 moduluslen,const UINT8* exponent,UINT32 exponentlen);
00071 
00072       static SINT32 testSpeed();
00073     private:
00074       RSA* m_pRSA;
00075   };
00076 
00077 #endif