Examples with KeyPair java.security.KeyPair used on opensource projects

Example 31 with KeyPair

use of java.security.KeyPair in project jdk8u_jdk by JetBrains.

the class Copy method main.

public static void main(String[] args) throws Exception {
    KeyPairGenerator kg = KeyPairGenerator.getInstance(DSA);
    kg.initialize(KEY_SIZE);
    KeyPair kp = kg.genKeyPair();
    Signature signature = Signature.getInstance(DSA);
    Test original = new Test();
    SignedObject so = new SignedObject(original, kp.getPrivate(), signature);
    System.out.println("Signature algorithm: " + so.getAlgorithm());
    signature = Signature.getInstance(DSA, "SUN");
    if (!so.verify(kp.getPublic(), signature)) {
        throw new RuntimeException("Verification failed");
    }
    kg = KeyPairGenerator.getInstance(DSA);
    kg.initialize(KEY_SIZE);
    kp = kg.genKeyPair();
    if (so.verify(kp.getPublic(), signature)) {
        throw new RuntimeException("Unexpected success");
    }
    Object copy = so.getObject();
    if (!original.equals(copy)) {
        throw new RuntimeException("Signed object is not equal " + "to original one: " + copy);
    }
    /*
         * The signed object is a copy of an original one.
         * Once the copy is made, further manipulation
         * of the original object shouldn't has any effect on the copy.
         */
    original.set(MAGIC - 1);
    copy = so.getObject();
    if (original.equals(copy)) {
        throw new RuntimeException("Signed object is not a copy " + "of original one: " + copy);
    }
    System.out.println("Test passed");
}

Example 32 with KeyPair

use of java.security.KeyPair in project jdk8u_jdk by JetBrains.

the class FinalizeHalf method test.

static void test(String algo, Provider provider, boolean priv, Consumer<Key> method) throws Exception {
    KeyPairGenerator generator;
    try {
        generator = KeyPairGenerator.getInstance(algo, provider);
    } catch (NoSuchAlgorithmException nsae) {
        return;
    }
    System.out.println("Checking " + provider.getName() + ", " + algo);
    KeyPair pair = generator.generateKeyPair();
    Key key = priv ? pair.getPrivate() : pair.getPublic();
    pair = null;
    for (int i = 0; i < 32; ++i) {
        System.gc();
    }
    try {
        method.accept(key);
    } catch (ProviderException pe) {
        failures++;
    }
}

Example 33 with KeyPair

use of java.security.KeyPair in project GNS by MobilityFirst.

the class GuidImport method parse.

@Override
public void parse(String commandText) throws Exception {
    try {
        StringTokenizer st = new StringTokenizer(commandText.trim());
        if (st.countTokens() != 1) {
            wrongArguments();
            return;
        }
        String filename = st.nextToken();
        File f = new File(filename);
        GuidEntry guidEntry;
        try (ObjectInputStream ois = new ObjectInputStream(new FileInputStream(f))) {
            guidEntry = new GuidEntry(ois);
            ois.close();
        }
        KeyPairUtils.saveKeyPair(module.getGnsInstance(), guidEntry.getEntityName(), guidEntry.getGuid(), new KeyPair(guidEntry.getPublicKey(), guidEntry.getPrivateKey()));
        console.printString("Keys for " + guidEntry.getEntityName() + " read from " + filename + " and saved in local preferences.");
        console.printNewline();
    } catch (IOException | EncryptionException e) {
        console.printString("Failed to load keys ( " + e + ")\n");
    }
}

Example 34 with KeyPair

use of java.security.KeyPair in project android_frameworks_base by AOSPA.

the class AndroidKeyStoreTest method generateCertificate.

@SuppressWarnings("deprecation")
private static X509Certificate generateCertificate(android.security.KeyStore keyStore, String alias, BigInteger serialNumber, X500Principal subjectDN, Date notBefore, Date notAfter) throws Exception {
    final String privateKeyAlias = Credentials.USER_PRIVATE_KEY + alias;
    KeyPair keyPair = AndroidKeyStoreProvider.loadAndroidKeyStoreKeyPairFromKeystore(keyStore, privateKeyAlias, KeyStore.UID_SELF);
    final X509V3CertificateGenerator certGen = new X509V3CertificateGenerator();
    certGen.setPublicKey(keyPair.getPublic());
    certGen.setSerialNumber(serialNumber);
    certGen.setSubjectDN(subjectDN);
    certGen.setIssuerDN(subjectDN);
    certGen.setNotBefore(notBefore);
    certGen.setNotAfter(notAfter);
    certGen.setSignatureAlgorithm("sha1WithRSA");
    final X509Certificate cert = certGen.generate(keyPair.getPrivate());
    return cert;
}

Example 35 with KeyPair

use of java.security.KeyPair in project android_frameworks_base by AOSPA.

the class AndroidKeyPairGeneratorTest method testKeyPairGenerator_GenerateKeyPair_Encrypted_Success.

public void testKeyPairGenerator_GenerateKeyPair_Encrypted_Success() throws Exception {
    setupPassword();
    mGenerator.initialize(new KeyPairGeneratorSpec.Builder(getContext()).setAlias(TEST_ALIAS_1).setSubject(TEST_DN_1).setSerialNumber(TEST_SERIAL_1).setStartDate(NOW).setEndDate(NOW_PLUS_10_YEARS).setEncryptionRequired().build());
    final KeyPair pair = mGenerator.generateKeyPair();
    assertNotNull("The KeyPair returned should not be null", pair);
    assertKeyPairCorrect(pair, TEST_ALIAS_1, "RSA", 2048, null, TEST_DN_1, TEST_SERIAL_1, NOW, NOW_PLUS_10_YEARS);
}