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

Example 61 with KeyPairGenerator

use of java.security.KeyPairGenerator in project nhin-d by DirectProject.

the class CRLRevocationManager_getCrlFromUriTest method testGetCrlFromUri_notInCache_loadFromCacheFile_assertCRLFound.

public void testGetCrlFromUri_notInCache_loadFromCacheFile_assertCRLFound() throws Exception {
    CRLRevocationManager.initCRLCacheLocation();
    String uri = "http://localhost:8080/certs.crl";
    X509CRL crl = (X509CRL) TestUtils.loadCRL("certs.crl");
    KeyPairGenerator kpGen = KeyPairGenerator.getInstance("RSA", "BC");
    KeyPair pair = kpGen.generateKeyPair();
    Calendar cal = Calendar.getInstance();
    cal.set(Calendar.YEAR, cal.get(Calendar.YEAR) + 10);
    X509V2CRLGenerator crlGen = new X509V2CRLGenerator();
    crlGen.setIssuerDN(new X500Principal("CN=Test CRL"));
    crlGen.setNextUpdate(cal.getTime());
    crlGen.setSignatureAlgorithm("SHA256withRSAEncryption");
    crlGen.setThisUpdate(Calendar.getInstance().getTime());
    crlGen.addCRL(crl);
    crl = crlGen.generate(pair.getPrivate(), "BC");
    CRLRevocationManager.INSTANCE.writeCRLCacheFile(uri, crl);
    X509CRL retCrl = CRLRevocationManager.getInstance().getCrlFromUri(uri);
    assertNotNull(retCrl);
    assertEquals(crl, retCrl);
}

Example 62 with KeyPairGenerator

use of java.security.KeyPairGenerator in project android_frameworks_base by DirtyUnicorns.

the class AndroidKeyPairGeneratorTest method testKeyPairGenerator_GenerateKeyPair_EC_Unencrypted_Success.

public void testKeyPairGenerator_GenerateKeyPair_EC_Unencrypted_Success() throws Exception {
    KeyPairGenerator generator = KeyPairGenerator.getInstance("EC", "AndroidKeyStore");
    generator.initialize(new KeyGenParameterSpec.Builder(TEST_ALIAS_1, KeyProperties.PURPOSE_SIGN | KeyProperties.PURPOSE_VERIFY).setCertificateSubject(TEST_DN_1).setCertificateSerialNumber(TEST_SERIAL_1).setCertificateNotBefore(NOW).setCertificateNotAfter(NOW_PLUS_10_YEARS).setDigests(KeyProperties.DIGEST_SHA256).build());
    final KeyPair pair = generator.generateKeyPair();
    assertNotNull("The KeyPair returned should not be null", pair);
    assertKeyPairCorrect(pair, TEST_ALIAS_1, "EC", 256, null, TEST_DN_1, TEST_SERIAL_1, NOW, NOW_PLUS_10_YEARS);
}

Example 63 with KeyPairGenerator

use of java.security.KeyPairGenerator 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 64 with KeyPairGenerator

use of java.security.KeyPairGenerator in project kdeconnect-android by KDE.

the class RsaHelper method initialiseRsaKeys.

public static void initialiseRsaKeys(Context context) {
    SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(context);
    if (!settings.contains("publicKey") || !settings.contains("privateKey")) {
        KeyPair keyPair;
        try {
            KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA");
            keyGen.initialize(2048);
            keyPair = keyGen.genKeyPair();
        } catch (Exception e) {
            e.printStackTrace();
            Log.e("KDE/initializeRsaKeys", "Exception");
            return;
        }
        byte[] publicKey = keyPair.getPublic().getEncoded();
        byte[] privateKey = keyPair.getPrivate().getEncoded();
        SharedPreferences.Editor edit = settings.edit();
        edit.putString("publicKey", Base64.encodeToString(publicKey, 0).trim() + "\n");
        edit.putString("privateKey", Base64.encodeToString(privateKey, 0));
        edit.apply();
    }
}

Example 65 with KeyPairGenerator

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

the class Offsets method init.

static Offsets init(String provider, String algorithm) throws NoSuchAlgorithmException, NoSuchProviderException, InvalidKeyException, SignatureException {
    // fill the cleartext data with random bytes
    byte[] cleartext = new byte[100];
    RandomFactory.getRandom().nextBytes(cleartext);
    // NONEwith requires input to be of 20 bytes
    int size = algorithm.contains("NONEwith") ? 20 : 100;
    // create signature instance
    Signature signature = Signature.getInstance(algorithm, provider);
    String keyAlgo;
    if (algorithm.contains("RSA")) {
        keyAlgo = "RSA";
    } else if (algorithm.contains("ECDSA")) {
        keyAlgo = "EC";
    } else if (algorithm.contains("DSA")) {
        keyAlgo = "DSA";
    } else {
        throw new RuntimeException("Test doesn't support this signature " + "algorithm: " + algorithm);
    }
    KeyPairGenerator kpg = KeyPairGenerator.getInstance(keyAlgo, provider);
    KeyPair kp = kpg.generateKeyPair();
    PublicKey pubkey = kp.getPublic();
    PrivateKey privkey = kp.getPrivate();
    return new Offsets(signature, pubkey, privkey, size, cleartext);
}