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* version 2 for more details (a copy is included in the LICENSE file that
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/**
* @test
* @bug 6405536 6414980
* @summary Basic consistency test for all curves using ECDSA and ECDH
* @author Andreas Sterbenz
* @library ..
* @compile -XDignore.symbol.file TestCurves.java
* @run main TestCurves
*/
import java.util.*;
import java.security.*;
import java.security.spec.*;
import javax.crypto.*;
// XXX no public API to enumerate supported named curves
import sun.security.ec.NamedCurve;
public class TestCurves extends PKCS11Test {
public static void main(String[] args) throws Exception {
main(new TestCurves());
}
public void main(Provider p) throws Exception {
if (p.getService("KeyAgreement", "ECDH") == null) {
System.out.println("Not supported by provider, skipping");
return;
}
Random random = new Random();
byte[] data = new byte[2048];
random.nextBytes(data);
Collection<? extends ECParameterSpec> curves =
NamedCurve.knownECParameterSpecs();
for (ECParameterSpec params : curves) {
System.out.println("Testing " + params + "...");
KeyPairGenerator kpg = KeyPairGenerator.getInstance("EC", p);
kpg.initialize(params);
KeyPair kp1, kp2;
kp1 = kpg.generateKeyPair();
kp2 = kpg.generateKeyPair();
testSigning(p, "SHA1withECDSA", data, kp1, kp2);
testSigning(p, "SHA256withECDSA", data, kp1, kp2);
testSigning(p, "SHA384withECDSA", data, kp1, kp2);
testSigning(p, "SHA512withECDSA", data, kp1, kp2);
// System.out.println();
KeyAgreement ka1 = KeyAgreement.getInstance("ECDH", p);
ka1.init(kp1.getPrivate());
ka1.doPhase(kp2.getPublic(), true);
byte[] secret1 = ka1.generateSecret();
KeyAgreement ka2 = KeyAgreement.getInstance("ECDH", p);
ka2.init(kp2.getPrivate());
ka2.doPhase(kp1.getPublic(), true);
byte[] secret2 = ka2.generateSecret();
if (Arrays.equals(secret1, secret2) == false) {
throw new Exception("Secrets do not match");
}
}
System.out.println("OK");
}
private static void testSigning(Provider p, String algorithm,
byte[] data, KeyPair kp1, KeyPair kp2) throws Exception {
// System.out.print(" " + algorithm);
Signature s = Signature.getInstance(algorithm, p);
s.initSign(kp1.getPrivate());
s.update(data);
byte[] sig = s.sign();
s = Signature.getInstance(algorithm, p);
s.initVerify(kp1.getPublic());
s.update(data);
boolean r = s.verify(sig);
if (r == false) {
throw new Exception("Signature did not verify");
}
s.initVerify(kp2.getPublic());
s.update(data);
r = s.verify(sig);
if (r) {
throw new Exception("Signature should not verify");
}
}
}