Examples with ECPublicKey java.security.interfaces.ECPublicKey used on opensource projects

Example 26 with ECPublicKey

use of java.security.interfaces.ECPublicKey in project robovm by robovm.

the class ECDHKeyAgreementTest method testKnownAnswer.

/**
     * Performs a known-answer test of the shared secret for all permutations of {@code Providers}
     * of: first key pair, second key pair, and the {@code KeyAgreement}. This is to check that
     * the {@code KeyAgreement} instances work with keys of all registered providers.
     */
public void testKnownAnswer() throws Exception {
    for (Provider keyFactoryProvider1 : getKeyFactoryProviders()) {
        ECPrivateKey privateKey1 = getPrivateKey(KAT_PRIVATE_KEY1_PKCS8, keyFactoryProvider1);
        ECPublicKey publicKey1 = getPublicKey(KAT_PUBLIC_KEY1_X509, keyFactoryProvider1);
        for (Provider keyFactoryProvider2 : getKeyFactoryProviders()) {
            ECPrivateKey privateKey2 = getPrivateKey(KAT_PRIVATE_KEY2_PKCS8, keyFactoryProvider2);
            ECPublicKey publicKey2 = getPublicKey(KAT_PUBLIC_KEY2_X509, keyFactoryProvider2);
            for (Provider keyAgreementProvider : getKeyAgreementProviders()) {
                try {
                    testKnownAnswer(publicKey1, privateKey1, publicKey2, privateKey2, keyAgreementProvider);
                } catch (Throwable e) {
                    throw new RuntimeException(getClass().getSimpleName() + ".testKnownAnswer(" + keyFactoryProvider1.getName() + ", " + keyFactoryProvider2.getName() + ", " + keyAgreementProvider.getName() + ")", e);
                }
            }
        }
    }
}

Example 27 with ECPublicKey

use of java.security.interfaces.ECPublicKey in project android_frameworks_base by AOSPA.

the class AndroidKeyPairGeneratorTest method assertKeyPairCorrect.

private void assertKeyPairCorrect(KeyPair pair, String alias, String keyType, int keySize, AlgorithmParameterSpec spec, X500Principal dn, BigInteger serial, Date start, Date end) throws Exception {
    final PublicKey pubKey = pair.getPublic();
    assertNotNull("The PublicKey for the KeyPair should be not null", pubKey);
    assertEquals(keyType, pubKey.getAlgorithm());
    if ("EC".equalsIgnoreCase(keyType)) {
        assertEquals("Curve should be what was specified during initialization", keySize, ((ECPublicKey) pubKey).getParams().getCurve().getField().getFieldSize());
    } else if ("RSA".equalsIgnoreCase(keyType)) {
        RSAPublicKey rsaPubKey = (RSAPublicKey) pubKey;
        assertEquals("Modulus size should be what is specified during initialization", (keySize + 7) & ~7, (rsaPubKey.getModulus().bitLength() + 7) & ~7);
        if (spec != null) {
            RSAKeyGenParameterSpec params = (RSAKeyGenParameterSpec) spec;
            assertEquals((keySize + 7) & ~7, (params.getKeysize() + 7) & ~7);
            assertEquals(params.getPublicExponent(), rsaPubKey.getPublicExponent());
        }
    }
    final PrivateKey privKey = pair.getPrivate();
    assertNotNull("The PrivateKey for the KeyPair should be not null", privKey);
    assertEquals(keyType, privKey.getAlgorithm());
    if ("EC".equalsIgnoreCase(keyType)) {
        assertTrue("EC private key must be instanceof ECKey: " + privKey.getClass().getName(), privKey instanceof ECKey);
        assertEquals("Private and public key must have the same EC parameters", ((ECKey) pubKey).getParams(), ((ECKey) privKey).getParams());
    } else if ("RSA".equalsIgnoreCase(keyType)) {
        assertTrue("RSA private key must be instance of RSAKey: " + privKey.getClass().getName(), privKey instanceof RSAKey);
        assertEquals("Private and public key must have the same RSA modulus", ((RSAKey) pubKey).getModulus(), ((RSAKey) privKey).getModulus());
    }
    final byte[] userCertBytes = mAndroidKeyStore.get(Credentials.USER_CERTIFICATE + alias);
    assertNotNull("The user certificate should exist for the generated entry", userCertBytes);
    final CertificateFactory cf = CertificateFactory.getInstance("X.509");
    final Certificate userCert = cf.generateCertificate(new ByteArrayInputStream(userCertBytes));
    assertTrue("Certificate should be in X.509 format", userCert instanceof X509Certificate);
    final X509Certificate x509userCert = (X509Certificate) userCert;
    assertEquals("Public key used to sign certificate should have the same algorithm as in KeyPair", pubKey.getAlgorithm(), x509userCert.getPublicKey().getAlgorithm());
    assertEquals("PublicKey used to sign certificate should match one returned in KeyPair", pubKey, AndroidKeyStoreProvider.getAndroidKeyStorePublicKey(Credentials.USER_PRIVATE_KEY + alias, KeyStore.UID_SELF, x509userCert.getPublicKey().getAlgorithm(), x509userCert.getPublicKey().getEncoded()));
    assertEquals("The Subject DN should be the one passed into the params", dn, x509userCert.getSubjectDN());
    assertEquals("The Issuer DN should be the same as the Subject DN", dn, x509userCert.getIssuerDN());
    assertEquals("The Serial should be the one passed into the params", serial, x509userCert.getSerialNumber());
    assertDateEquals("The notBefore date should be the one passed into the params", start, x509userCert.getNotBefore());
    assertDateEquals("The notAfter date should be the one passed into the params", end, x509userCert.getNotAfter());
    // Assert that the cert's signature verifies using the public key from generated KeyPair
    x509userCert.verify(pubKey);
    // Assert that the cert's signature verifies using the public key from the cert itself.
    x509userCert.verify(x509userCert.getPublicKey());
    final byte[] caCerts = mAndroidKeyStore.get(Credentials.CA_CERTIFICATE + alias);
    assertNull("A list of CA certificates should not exist for the generated entry", caCerts);
    ExportResult exportResult = mAndroidKeyStore.exportKey(Credentials.USER_PRIVATE_KEY + alias, KeymasterDefs.KM_KEY_FORMAT_X509, null, null);
    assertEquals(KeyStore.NO_ERROR, exportResult.resultCode);
    final byte[] pubKeyBytes = exportResult.exportData;
    assertNotNull("The keystore should return the public key for the generated key", pubKeyBytes);
    assertTrue("Public key X.509 format should be as expected", Arrays.equals(pubKey.getEncoded(), pubKeyBytes));
}

Example 28 with ECPublicKey

use of java.security.interfaces.ECPublicKey in project XobotOS by xamarin.

the class Signature method engineInitVerify.

protected void engineInitVerify(PublicKey publicKey) throws InvalidKeyException {
    CipherParameters param;
    if (publicKey instanceof ECPublicKey) {
        param = ECUtil.generatePublicKeyParameter(publicKey);
    } else {
        try {
            byte[] bytes = publicKey.getEncoded();
            publicKey = JDKKeyFactory.createPublicKeyFromDERStream(bytes);
            if (publicKey instanceof ECPublicKey) {
                param = ECUtil.generatePublicKeyParameter(publicKey);
            } else {
                throw new InvalidKeyException("can't recognise key type in ECDSA based signer");
            }
        } catch (Exception e) {
            throw new InvalidKeyException("can't recognise key type in ECDSA based signer");
        }
    }
    digest.reset();
    signer.init(false, param);
}

Example 29 with ECPublicKey

use of java.security.interfaces.ECPublicKey in project android_frameworks_base by DirtyUnicorns.

the class AndroidKeyStoreProvider method getAndroidKeyStorePublicKey.

@NonNull
public static AndroidKeyStorePublicKey getAndroidKeyStorePublicKey(@NonNull String alias, int uid, @NonNull @KeyProperties.KeyAlgorithmEnum String keyAlgorithm, @NonNull byte[] x509EncodedForm) {
    PublicKey publicKey;
    try {
        KeyFactory keyFactory = KeyFactory.getInstance(keyAlgorithm);
        publicKey = keyFactory.generatePublic(new X509EncodedKeySpec(x509EncodedForm));
    } catch (NoSuchAlgorithmException e) {
        throw new ProviderException("Failed to obtain " + keyAlgorithm + " KeyFactory", e);
    } catch (InvalidKeySpecException e) {
        throw new ProviderException("Invalid X.509 encoding of public key", e);
    }
    if (KeyProperties.KEY_ALGORITHM_EC.equalsIgnoreCase(keyAlgorithm)) {
        return new AndroidKeyStoreECPublicKey(alias, uid, (ECPublicKey) publicKey);
    } else if (KeyProperties.KEY_ALGORITHM_RSA.equalsIgnoreCase(keyAlgorithm)) {
        return new AndroidKeyStoreRSAPublicKey(alias, uid, (RSAPublicKey) publicKey);
    } else {
        throw new ProviderException("Unsupported Android Keystore public key algorithm: " + keyAlgorithm);
    }
}

Example 30 with ECPublicKey

use of java.security.interfaces.ECPublicKey in project jdk8u_jdk by JetBrains.

the class ClientHandshaker method serverKeyExchange.

private void serverKeyExchange(ECDH_ServerKeyExchange mesg) throws IOException {
    if (debug != null && Debug.isOn("handshake")) {
        mesg.print(System.out);
    }
    ECPublicKey key = mesg.getPublicKey();
    ecdh = new ECDHCrypt(key.getParams(), sslContext.getSecureRandom());
    ephemeralServerKey = key;
    // check constraints of EC PublicKey
    if (!algorithmConstraints.permits(EnumSet.of(CryptoPrimitive.KEY_AGREEMENT), ephemeralServerKey)) {
        throw new SSLHandshakeException("ECDH ServerKeyExchange " + "does not comply to algorithm constraints");
    }
}