Examples with CryptoException org.kse.crypto.CryptoException used on opensource projects

Example 26 with CryptoException

use of org.kse.crypto.CryptoException in project keystore-explorer by kaikramer.

the class KeyPairUtil method generateKeyPair.

/**
 * Generate a key pair.
 *
 * @param keyPairType
 *            Key pair type to generate
 * @param keySize
 *            Key size of key pair
 * @return A keypair
 * @param provider
 *         Crypto provider used for key generation
 * @throws CryptoException
 *             If there was a problem generating the key pair
 */
public static KeyPair generateKeyPair(KeyPairType keyPairType, int keySize, Provider provider) throws CryptoException {
    try {
        // Get a key pair generator
        KeyPairGenerator keyPairGen = null;
        if (provider != null) {
            keyPairGen = KeyPairGenerator.getInstance(keyPairType.jce(), provider);
        } else {
            // Always use BC provider for RSA
            if (keyPairType == RSA) {
                keyPairGen = KeyPairGenerator.getInstance(keyPairType.jce(), BOUNCY_CASTLE.jce());
            } else {
                // Use default provider for DSA
                keyPairGen = KeyPairGenerator.getInstance(keyPairType.jce());
            }
        }
        // Create a SecureRandom
        SecureRandom rand = SecureRandom.getInstance("SHA1PRNG");
        // Initialise key pair generator with key strength and randomness
        keyPairGen.initialize(keySize, rand);
        // Generate and return the key pair
        KeyPair keyPair = keyPairGen.generateKeyPair();
        return keyPair;
    } catch (GeneralSecurityException ex) {
        throw new CryptoException(MessageFormat.format(res.getString("NoGenerateKeypair.exception.message"), keyPairType), ex);
    }
}

Example 27 with CryptoException

use of org.kse.crypto.CryptoException in project keystore-explorer by kaikramer.

the class KeyPairUtil method getKeyInfo.

/**
 * Get the information about the supplied private key.
 *
 * @param privateKey
 *            The private key
 * @return Key information
 * @throws CryptoException
 *             If there is a problem getting the information
 */
public static KeyInfo getKeyInfo(PrivateKey privateKey) throws CryptoException {
    try {
        String algorithm = privateKey.getAlgorithm();
        if (algorithm.equals(RSA.jce())) {
            if (privateKey instanceof RSAPrivateKey) {
                // Using default provider does not work for BKS and UBER resident private keys
                KeyFactory keyFact = KeyFactory.getInstance(algorithm, BOUNCY_CASTLE.jce());
                RSAPrivateKeySpec keySpec = keyFact.getKeySpec(privateKey, RSAPrivateKeySpec.class);
                BigInteger modulus = keySpec.getModulus();
                return new KeyInfo(ASYMMETRIC, algorithm, modulus.toString(2).length());
            } else {
                return new KeyInfo(ASYMMETRIC, algorithm, 0);
            }
        } else if (algorithm.equals(DSA.jce())) {
            // Use SUN (DSA key spec not implemented for BC)
            KeyFactory keyFact = KeyFactory.getInstance(algorithm);
            DSAPrivateKeySpec keySpec = keyFact.getKeySpec(privateKey, DSAPrivateKeySpec.class);
            BigInteger prime = keySpec.getP();
            return new KeyInfo(ASYMMETRIC, algorithm, prime.toString(2).length());
        } else if (algorithm.equals(EC.jce()) || algorithm.equals(ECDSA.jce())) {
            ECPrivateKey pubk = (ECPrivateKey) privateKey;
            int size = pubk.getParams().getOrder().bitLength();
            return new KeyInfo(ASYMMETRIC, algorithm, size);
        }
        // size unknown
        return new KeyInfo(ASYMMETRIC, algorithm);
    } catch (GeneralSecurityException ex) {
        throw new CryptoException(res.getString("NoPrivateKeysize.exception.message"), ex);
    }
}

Example 28 with CryptoException

use of org.kse.crypto.CryptoException in project keystore-explorer by kaikramer.

the class KeyStoreUtil method copy.

/**
 * Copy a KeyStore.
 *
 * @param keyStore
 *            KeyStore to copy
 * @return Copy
 * @throws CryptoException
 *             Problem encountered copying the KeyStore
 */
public static KeyStore copy(KeyStore keyStore) throws CryptoException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    try {
        char[] emptyPassword = {};
        keyStore.store(baos, emptyPassword);
        KeyStore theCopy = KeyStoreUtil.create(KeyStoreType.resolveJce(keyStore.getType()));
        theCopy.load(new ByteArrayInputStream(baos.toByteArray()), emptyPassword);
        return theCopy;
    } catch (CryptoException ex) {
        throw new CryptoException(res.getString("NoCopyKeyStore.exception.message"), ex);
    } catch (GeneralSecurityException ex) {
        throw new CryptoException(res.getString("NoCopyKeyStore.exception.message"), ex);
    } catch (IllegalStateException ex) {
        throw new CryptoException(res.getString("NoCopyKeyStore.exception.message"), ex);
    } catch (IOException ex) {
        throw new CryptoException(res.getString("NoCopyKeyStore.exception.message"), ex);
    }
}

Example 29 with CryptoException

use of org.kse.crypto.CryptoException in project keystore-explorer by kaikramer.

the class DImportKeyPairPkcs8 method certificateDetailsPressed.

private void certificateDetailsPressed() {
    try {
        X509Certificate[] certs = loadCertificates();
        if ((certs != null) && (certs.length != 0)) {
            String path = new File(jtfCertificatePath.getText()).getName();
            DViewCertificate dViewCertificate = new DViewCertificate(this, MessageFormat.format(res.getString("DImportKeyPairPkcs8.ViewCertificateDetails.Title"), path), certs, null, DViewCertificate.NONE);
            dViewCertificate.setLocationRelativeTo(this);
            dViewCertificate.setVisible(true);
        }
    } catch (CryptoException ex) {
        DError.displayError(this, ex);
    }
}

Example 30 with CryptoException

use of org.kse.crypto.CryptoException in project keystore-explorer by kaikramer.

the class DProperties method createTrustedCertificatesNodes.

private void createTrustedCertificatesNodes(DefaultMutableTreeNode parentNode) throws CryptoException {
    try {
        KeyStore keyStore = currentState.getKeyStore();
        TreeSet<String> aliases = getAliasesInAlphaOrder();
        DefaultMutableTreeNode trustCertsNode = new DefaultMutableTreeNode(res.getString("DProperties.properties.TrustedCertificates"));
        parentNode.add(trustCertsNode);
        boolean trustCertsPresent = false;
        for (String alias : aliases) {
            if (KeyStoreUtil.isTrustedCertificateEntry(alias, keyStore)) {
                createTrustedCertificateNodes(trustCertsNode, alias);
                trustCertsPresent = true;
            }
        }
        if (!trustCertsPresent) {
            DefaultMutableTreeNode emptyTrustCertsNode = new DefaultMutableTreeNode(res.getString("DProperties.properties.None"));
            trustCertsNode.add(emptyTrustCertsNode);
        }
    } catch (KeyStoreException ex) {
        throw new CryptoException(res.getString("DProperties.NoGetProperties.exception.message"), ex);
    }
}