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* version 2 for more details (a copy is included in the LICENSE file that
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*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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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.*;
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;
}
if (isNSS(p) && getNSSVersion() >= 3.11 && getNSSVersion() < 3.12) {
System.out.println("NSS 3.11 has a DER issue that recent " +
"version do not.");
return;
}
Random random = new Random();
byte[] data = new byte[2048];
random.nextBytes(data);
Vector<ECParameterSpec> curves = getKnownCurves(p);
for (ECParameterSpec params : curves) {
System.out.println("Testing " + params + "...");
KeyPairGenerator kpg = KeyPairGenerator.getInstance("EC", p);
kpg.initialize(params);
KeyPair kp1, kp2;
try {
kp1 = kpg.generateKeyPair();
kp2 = kpg.generateKeyPair();
} catch (Exception e) {
// The root cause of the exception might be NSS not having
// "ECC Extended" support curves. If so, we can ignore it.
if (e instanceof java.security.ProviderException) {
Throwable t = e.getCause();
if (t instanceof
sun.security.pkcs11.wrapper.PKCS11Exception &&
t.getMessage().equals("CKR_DOMAIN_PARAMS_INVALID") &&
isNSS(p) && (getNSSECC() == ECCState.Basic) &&
(!params.toString().startsWith("secp256r1") &&
!params.toString().startsWith("secp384r1") &&
!params.toString().startsWith("secp521r1"))) {
System.out.println("NSS Basic ECC. Failure expected");
continue;
}
}
throw e;
}
testSigning(p, "SHA1withECDSA", data, kp1, kp2);
testSigning(p, "SHA224withECDSA", 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 Vector<ECParameterSpec>
getKnownCurves(Provider p) throws Exception {
int index;
int begin;
int end;
String curve;
Vector<ECParameterSpec> results = new Vector<ECParameterSpec>();
// Get Curves to test from SunEC.
String kcProp = Security.getProvider("SunEC").
getProperty("AlgorithmParameters.EC SupportedCurves");
if (kcProp == null) {
throw new RuntimeException(
"\"AlgorithmParameters.EC SupportedCurves property\" not found");
}
index = 0;
for (;;) {
// Each set of curve names is enclosed with brackets.
begin = kcProp.indexOf('[', index);
end = kcProp.indexOf(']', index);
if (begin == -1 || end == -1) {
break;
}
/*
* Each name is separated by a comma.
* Just get the first name in the set.
*/
index = end + 1;
begin++;
end = kcProp.indexOf(',', begin);
if (end == -1) {
// Only one name in the set.
end = index -1;
}
curve = kcProp.substring(begin, end);
results.add(getECParameterSpec(p, curve));
}
if (results.size() == 0) {
throw new RuntimeException("No supported EC curves found");
}
return results;
}
private static ECParameterSpec getECParameterSpec(Provider p, String name)
throws Exception {
AlgorithmParameters parameters =
AlgorithmParameters.getInstance("EC", p);
parameters.init(new ECGenParameterSpec(name));
return parameters.getParameterSpec(ECParameterSpec.class);
}
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");
}
}
}