/**
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();
}
}