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package org.spongycastle.openpgp.test;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.Security;
import org.spongycastle.jce.spec.ECNamedCurveGenParameterSpec;
import java.util.Date;
import java.util.Iterator;
import org.spongycastle.bcpg.HashAlgorithmTags;
import org.spongycastle.jce.provider.BouncyCastleProvider;
import org.spongycastle.openpgp.PGPEncryptedData;
import org.spongycastle.openpgp.PGPKeyPair;
import org.spongycastle.openpgp.PGPKeyRingGenerator;
import org.spongycastle.openpgp.PGPPublicKey;
import org.spongycastle.openpgp.PGPPublicKeyRing;
import org.spongycastle.openpgp.PGPSecretKeyRing;
import org.spongycastle.openpgp.PGPSignature;
import org.spongycastle.openpgp.PGPSignatureGenerator;
import org.spongycastle.openpgp.PGPUtil;
import org.spongycastle.openpgp.operator.KeyFingerPrintCalculator;
import org.spongycastle.openpgp.operator.PGPDigestCalculator;
import org.spongycastle.openpgp.operator.jcajce.JcaKeyFingerprintCalculator;
import org.spongycastle.openpgp.operator.jcajce.JcaPGPContentSignerBuilder;
import org.spongycastle.openpgp.operator.jcajce.JcaPGPContentVerifierBuilderProvider;
import org.spongycastle.openpgp.operator.jcajce.JcaPGPDigestCalculatorProviderBuilder;
import org.spongycastle.openpgp.operator.jcajce.JcaPGPKeyPair;
import org.spongycastle.openpgp.operator.jcajce.JcePBESecretKeyEncryptorBuilder;
import org.spongycastle.util.Arrays;
import org.spongycastle.util.encoders.Base64;
import org.spongycastle.util.test.SimpleTest;
public class PGPECDSATest
extends SimpleTest
{
byte[] testPubKey =
Base64.decode(
"mFIEUb4HqBMIKoZIzj0DAQcCAwSQynmjwsGJHYJakAEVYxrm3tt/1h8g9Uksx32J" +
"zG/ZH4RwaD0PbjzEe5EVBmCwSErRZxt/5AxXa0TEHWjya8FetDVFQ0RTQSAoS2V5" +
"IGlzIDI1NiBiaXRzIGxvbmcpIDx0ZXN0LmVjZHNhQGV4YW1wbGUuY29tPoh6BBMT" +
"CAAiBQJRvgeoAhsDBgsJCAcDAgYVCAIJCgsEFgIDAQIeAQIXgAAKCRDqO46kgPLi" +
"vN1hAP4n0UApR36ziS5D8KUt7wEpBujQE4G3+efATJ+DMmY/SgEA+wbdDynFf/V8" +
"pQs0+FtCYQ9schzIur+peRvol7OrNnc=");
byte[] testPrivKey =
Base64.decode(
"lKUEUb4HqBMIKoZIzj0DAQcCAwSQynmjwsGJHYJakAEVYxrm3tt/1h8g9Uksx32J" +
"zG/ZH4RwaD0PbjzEe5EVBmCwSErRZxt/5AxXa0TEHWjya8Fe/gcDAqTWSUiFpEno" +
"1n8izmLaWTy8GYw5/lK4R2t6D347YGgTtIiXfoNPOcosmU+3OibyTm2hc/WyG4fL" +
"a0nxFtj02j0Bt/Fw0N4VCKJwKL/QJT+0NUVDRFNBIChLZXkgaXMgMjU2IGJpdHMg" +
"bG9uZykgPHRlc3QuZWNkc2FAZXhhbXBsZS5jb20+iHoEExMIACIFAlG+B6gCGwMG" +
"CwkIBwMCBhUIAgkKCwQWAgMBAh4BAheAAAoJEOo7jqSA8uK83WEA/ifRQClHfrOJ" +
"LkPwpS3vASkG6NATgbf558BMn4MyZj9KAQD7Bt0PKcV/9XylCzT4W0JhD2xyHMi6" +
"v6l5G+iXs6s2dw==");
private void generateAndSign()
throws Exception
{
KeyPairGenerator keyGen = KeyPairGenerator.getInstance("ECDSA", "SC");
keyGen.initialize(256);
KeyPair kpSign = keyGen.generateKeyPair();
PGPKeyPair ecdsaKeyPair = new JcaPGPKeyPair(PGPPublicKey.ECDSA, kpSign, new Date());
//
// try a signature
//
PGPSignatureGenerator signGen = new PGPSignatureGenerator(new JcaPGPContentSignerBuilder(PGPPublicKey.ECDSA, HashAlgorithmTags.SHA256).setProvider("SC"));
signGen.init(PGPSignature.BINARY_DOCUMENT, ecdsaKeyPair.getPrivateKey());
signGen.update("hello world!".getBytes());
PGPSignature sig = signGen.generate();
sig.init(new JcaPGPContentVerifierBuilderProvider().setProvider("SC"), ecdsaKeyPair.getPublicKey());
sig.update("hello world!".getBytes());
if (!sig.verify())
{
fail("signature failed to verify!");
}
//
// generate a key ring
//
char[] passPhrase = "test".toCharArray();
PGPDigestCalculator sha1Calc = new JcaPGPDigestCalculatorProviderBuilder().build().get(HashAlgorithmTags.SHA1);
PGPKeyRingGenerator keyRingGen = new PGPKeyRingGenerator(PGPSignature.POSITIVE_CERTIFICATION, ecdsaKeyPair,
"test@bouncycastle.org", sha1Calc, null, null, new JcaPGPContentSignerBuilder(ecdsaKeyPair.getPublicKey().getAlgorithm(), HashAlgorithmTags.SHA1), new JcePBESecretKeyEncryptorBuilder(PGPEncryptedData.AES_256, sha1Calc).setProvider("SC").build(passPhrase));
PGPPublicKeyRing pubRing = keyRingGen.generatePublicKeyRing();
PGPSecretKeyRing secRing = keyRingGen.generateSecretKeyRing();
KeyFingerPrintCalculator fingerCalc = new JcaKeyFingerprintCalculator();
PGPPublicKeyRing pubRingEnc = new PGPPublicKeyRing(pubRing.getEncoded(), fingerCalc);
if (!Arrays.areEqual(pubRing.getEncoded(), pubRingEnc.getEncoded()))
{
fail("public key ring encoding failed");
}
PGPSecretKeyRing secRingEnc = new PGPSecretKeyRing(secRing.getEncoded(), fingerCalc);
if (!Arrays.areEqual(secRing.getEncoded(), secRingEnc.getEncoded()))
{
fail("secret key ring encoding failed");
}
}
public void performTest()
throws Exception
{
PGPUtil.setDefaultProvider("SC");
//
// Read the public key
//
PGPPublicKeyRing pubKeyRing = new PGPPublicKeyRing(testPubKey, new JcaKeyFingerprintCalculator());
for (Iterator it = pubKeyRing.getPublicKey().getSignatures(); it.hasNext();)
{
PGPSignature certification = (PGPSignature)it.next();
certification.init(new JcaPGPContentVerifierBuilderProvider().setProvider("SC"), pubKeyRing.getPublicKey());
if (!certification.verifyCertification((String)pubKeyRing.getPublicKey().getUserIDs().next(), pubKeyRing.getPublicKey()))
{
fail("self certification does not verify");
}
}
//
// Read the private key
//
PGPSecretKeyRing secretKeyRing = new PGPSecretKeyRing(testPrivKey, new JcaKeyFingerprintCalculator());
generateAndSign();
}
public String getName()
{
return "PGPECDSATest";
}
public static void main(
String[] args)
{
Security.addProvider(new BouncyCastleProvider());
runTest(new PGPECDSATest());
}
}
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