/*
* Copyright ( c ) 2018 , 2021 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
*
* Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA
* or visit www . oracle . com if you need additional information or have any
* questions .
*/
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.security.*;
import java.security.spec.*;
import java.security.interfaces.*;
import java.util.ArrayList;
import java.util.HexFormat;
import java.util.List;
/*
* @ test
* @ bug 8146293
* @ summary Known Answer Tests based on NIST 186 - 3 at :
* @ compile SigRecord . java
* @ run main / othervm TestSigGen15
*/
public class TestSigGen15 {
private static final String[] testFiles = {
"SigGen15_186-3.txt" , "SigGen15_186-3_TruncatedSHAs.txt"
};
public static void main(String[] args) throws Exception {
boolean success = true ;
for (String f : testFiles) {
System.out.println("[INPUT FILE " + f + "]" );
try {
success &= runTest(SigRecord.read(f));
} catch (IOException e) {
System.out.println("Unexpected exception: " + e);
e.printStackTrace(System.out);
success = false ;
}
}
if (!success) {
throw new RuntimeException("One or more test failed" );
}
System.out.println("Test passed" );
}
/*
* Run all the tests in the data list with specified algorithm
*/
static boolean runTest(List<SigRecord> records) throws Exception {
boolean success = true ;
//for (Provider provider : Security.getProviders()) {
Provider p = Security.getProvider("SunRsaSign" );
KeyFactory kf = KeyFactory.getInstance("RSA" , p);
for (SigRecord sr : records) {
System.out.println("==Testing Record : " + sr + "==" );
PrivateKey privKey = kf.generatePrivate(sr.privKeySpec);
PublicKey pubKey = kf.generatePublic(sr.pubKeySpec);
success &= check(privKey, pubKey, sr.testVectors, p);
System.out.println("==Done==" );
}
return success;
}
/*
* Generate the signature , check against known values and verify .
*/
static boolean check(PrivateKey privKey, PublicKey pubKey,
List<SigRecord.SigVector> vectors, Provider p) throws Exception {
boolean success = true ;
for (SigRecord.SigVector v : vectors) {
System.out.println("\tAgainst " + v.mdAlg);
String sigAlgo = v.mdAlg + "withRSA" ;
Signature sig;
try {
sig = Signature.getInstance(sigAlgo, p);
} catch (NoSuchAlgorithmException e) {
System.out.println("\tSkip " + sigAlgo +
" due to no support" );
continue ;
}
byte [] msgBytes = HexFormat.of().parseHex(v.msg);
byte [] expSigBytes = HexFormat.of().parseHex(v.sig);
sig.initSign(privKey);
sig.update(msgBytes);
byte [] actualSigBytes = sig.sign();
success &= MessageDigest.isEqual(actualSigBytes, expSigBytes);
if (!success) {
System.out.println("\tFailed:" );
System.out.println("\tSHAALG = " + v.mdAlg);
System.out.println("\tMsg = " + v.msg);
System.out.println("\tExpected Sig = " + v.sig);
System.out.println("\tActual Sig = " + HexFormat.of().formatHex(actualSigBytes));
} else {
System.out.println("\t" + v.mdAlg + " Test Vector Passed" );
}
}
return success;
}
}
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¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-10-11)
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