/** DSATest.java Copyright (C) 1999, Claymore Systems, Inc. All Rights Reserved. ekr@rtfm.com Mon Jun 7 16:19:43 1999 This package is a SSLv3/TLS implementation written by Eric Rescorla <ekr@rtfm.com> and licensed by Claymore Systems, Inc. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3. All advertising materials mentioning features or use of this software must display the following acknowledgement: This product includes software developed by Claymore Systems, Inc. 4. Neither the name of Claymore Systems, Inc. nor the name of Eric Rescorla may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. $Id: DSATest.java,v 1.1.1.1 2003/05/09 20:36:14 gawor Exp $ */ package COM.claymoresystems.provider.test; import java.io.*; import java.security.*; import COM.claymoresystems.crypto.RawDSAPublicKey; import COM.claymoresystems.crypto.RawDSAParams; import COM.claymoresystems.util.Bench; import COM.claymoresystems.util.Util; import sun.security.provider.DSAPublicKey; import java.security.interfaces.DSAParams; class DSATest extends Bench { private static final byte[] testString={0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08, 0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08, 0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08, 0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08, 0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08 }; public static void main(String [] args){ int iter=1; Security.addProvider(new COM.claymoresystems.provider. ClaymoreProvider()); if(args.length==0){ ; } else if(args.length==1){ iter=Integer.parseInt(args[0]); } else{ throw new InternalError("Bad arguments"); } int ss=register("SunSign"); int sv=register("SunVerify"); int cs=register("ClaymoreSign"); int cv=register("ClaymoreVerify"); /* Test generating and verifying a DSA signature */ try { /* generate a key pair */ KeyPairGenerator keyGen = KeyPairGenerator.getInstance("DSA"); keyGen.initialize(1024, new SecureRandom()); KeyPair pair = keyGen.generateKeyPair(); MessageDigest md=MessageDigest.getInstance("SHA-1"); md.update(testString); PrivateKey priv = pair.getPrivate(); byte[] digest=md.digest(); for(int i=0;i<iter;i++){ Signature ourDSASign = Signature.getInstance("RawDSA"); Signature ourDSAVerify = Signature.getInstance("RawDSA"); Signature stockDSAVerify = Signature.getInstance("DSA"); Signature stockDSASign = Signature.getInstance("DSA"); start(cs); ourDSASign.initSign(priv); ourDSASign.update(digest); byte[] sig = ourDSASign.sign(); end(cs); COM.claymoresystems.util.Util.xdump("signature",sig); ourDSASign = Signature.getInstance("RawDSA"); ourDSASign.initSign(priv); ourDSASign.update(digest); sig = ourDSASign.sign(); COM.claymoresystems.util.Util.xdump("second signature",sig); start(ss); stockDSASign.initSign(priv); stockDSASign.update(testString); byte[] sig2=stockDSASign.sign(); end(ss); if(!Util.areEqual(sig,sig2)) System.out.println("signatures don't match"); PublicKey pub = pair.getPublic(); //Verify with our DSA implementation start(cv); ourDSAVerify.initVerify(pub); ourDSAVerify.update(digest); boolean verifies=ourDSAVerify.verify(sig); end(cv); if(verifies) System.out.println("Verifies with our implementation"); else System.out.println("Failed our verify"); // Verify with the stock DSA implementation start(sv); stockDSAVerify.initVerify(pub); stockDSAVerify.update(testString); verifies = stockDSAVerify.verify(sig); end(sv); if(verifies) System.out.println("Verifies with stock implementation"); else System.out.println("Failed stock verify"); byte[] badSig=new byte[sig.length]; System.arraycopy(sig,0,badSig,0,sig.length); badSig[0]++; ourDSAVerify = Signature.getInstance("RawDSA"); ourDSAVerify.initVerify(pub); ourDSAVerify.update(digest); boolean caughtExcept=false; try { verifies=ourDSAVerify.verify(badSig); } catch (Exception e){ caughtExcept=true; } if(!caughtExcept) System.out.println("Badly encoded sig Verifies with our implementation (BAD)") ; else System.out.println("Badly encoded sig Failed our verify (OK)"); // Bad signature digest[digest.length-1]++; ourDSAVerify = Signature.getInstance("RawDSA"); ourDSAVerify.initVerify(pub); ourDSAVerify.update(digest); verifies=ourDSAVerify.verify(sig); if(verifies) System.out.println("Bad sig Verifies with our implementation (BAD)") ; else System.out.println("Bad sig Failed our verify (OK)"); } } catch (Exception e) { System.err.println("Caught exception " + e.toString()); e.printStackTrace(System.out); } dump(); } }