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

Example 1 with DSAPublicKey

use of java.security.interfaces.DSAPublicKey in project camel by apache.

the class SftpOperations method createSession.

protected Session createSession(final RemoteFileConfiguration configuration) throws JSchException {
    final JSch jsch = new JSch();
    JSch.setLogger(new JSchLogger(endpoint.getConfiguration().getJschLoggingLevel()));
    SftpConfiguration sftpConfig = (SftpConfiguration) configuration;
    if (isNotEmpty(sftpConfig.getCiphers())) {
        LOG.debug("Using ciphers: {}", sftpConfig.getCiphers());
        Hashtable<String, String> ciphers = new Hashtable<String, String>();
        ciphers.put("cipher.s2c", sftpConfig.getCiphers());
        ciphers.put("cipher.c2s", sftpConfig.getCiphers());
        JSch.setConfig(ciphers);
    }
    if (isNotEmpty(sftpConfig.getPrivateKeyFile())) {
        LOG.debug("Using private keyfile: {}", sftpConfig.getPrivateKeyFile());
        if (isNotEmpty(sftpConfig.getPrivateKeyPassphrase())) {
            jsch.addIdentity(sftpConfig.getPrivateKeyFile(), sftpConfig.getPrivateKeyPassphrase());
        } else {
            jsch.addIdentity(sftpConfig.getPrivateKeyFile());
        }
    }
    if (sftpConfig.getPrivateKey() != null) {
        LOG.debug("Using private key information from byte array");
        byte[] passphrase = null;
        if (isNotEmpty(sftpConfig.getPrivateKeyPassphrase())) {
            try {
                passphrase = sftpConfig.getPrivateKeyPassphrase().getBytes("UTF-8");
            } catch (UnsupportedEncodingException e) {
                throw new JSchException("Cannot transform passphrase to byte[]", e);
            }
        }
        jsch.addIdentity("ID", sftpConfig.getPrivateKey(), null, passphrase);
    }
    if (sftpConfig.getPrivateKeyUri() != null) {
        LOG.debug("Using private key uri : {}", sftpConfig.getPrivateKeyUri());
        byte[] passphrase = null;
        if (isNotEmpty(sftpConfig.getPrivateKeyPassphrase())) {
            try {
                passphrase = sftpConfig.getPrivateKeyPassphrase().getBytes("UTF-8");
            } catch (UnsupportedEncodingException e) {
                throw new JSchException("Cannot transform passphrase to byte[]", e);
            }
        }
        try {
            InputStream is = ResourceHelper.resolveMandatoryResourceAsInputStream(endpoint.getCamelContext(), sftpConfig.getPrivateKeyUri());
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            IOHelper.copyAndCloseInput(is, bos);
            jsch.addIdentity("ID", bos.toByteArray(), null, passphrase);
        } catch (IOException e) {
            throw new JSchException("Cannot read resource: " + sftpConfig.getPrivateKeyUri(), e);
        }
    }
    if (sftpConfig.getKeyPair() != null) {
        LOG.debug("Using private key information from key pair");
        KeyPair keyPair = sftpConfig.getKeyPair();
        if (keyPair.getPrivate() != null && keyPair.getPublic() != null) {
            if (keyPair.getPrivate() instanceof RSAPrivateKey && keyPair.getPublic() instanceof RSAPublicKey) {
                jsch.addIdentity(new RSAKeyPairIdentity("ID", keyPair), null);
            } else if (keyPair.getPrivate() instanceof DSAPrivateKey && keyPair.getPublic() instanceof DSAPublicKey) {
                jsch.addIdentity(new DSAKeyPairIdentity("ID", keyPair), null);
            } else {
                LOG.warn("Only RSA and DSA key pairs are supported");
            }
        } else {
            LOG.warn("PrivateKey and PublicKey in the KeyPair must be filled");
        }
    }
    if (isNotEmpty(sftpConfig.getKnownHostsFile())) {
        LOG.debug("Using knownhosts file: {}", sftpConfig.getKnownHostsFile());
        jsch.setKnownHosts(sftpConfig.getKnownHostsFile());
    }
    if (isNotEmpty(sftpConfig.getKnownHostsUri())) {
        LOG.debug("Using known hosts uri: {}", sftpConfig.getKnownHostsUri());
        try {
            InputStream is = ResourceHelper.resolveMandatoryResourceAsInputStream(endpoint.getCamelContext(), sftpConfig.getKnownHostsUri());
            jsch.setKnownHosts(is);
        } catch (IOException e) {
            throw new JSchException("Cannot read resource: " + sftpConfig.getKnownHostsUri(), e);
        }
    }
    if (sftpConfig.getKnownHosts() != null) {
        LOG.debug("Using known hosts information from byte array");
        jsch.setKnownHosts(new ByteArrayInputStream(sftpConfig.getKnownHosts()));
    }
    String knownHostsFile = sftpConfig.getKnownHostsFile();
    if (knownHostsFile == null && sftpConfig.isUseUserKnownHostsFile()) {
        knownHostsFile = System.getProperty("user.home") + "/.ssh/known_hosts";
        LOG.info("Known host file not configured, using user known host file: {}", knownHostsFile);
    }
    if (ObjectHelper.isNotEmpty(knownHostsFile)) {
        LOG.debug("Using known hosts information from file: {}", knownHostsFile);
        jsch.setKnownHosts(knownHostsFile);
    }
    final Session session = jsch.getSession(configuration.getUsername(), configuration.getHost(), configuration.getPort());
    if (isNotEmpty(sftpConfig.getStrictHostKeyChecking())) {
        LOG.debug("Using StrickHostKeyChecking: {}", sftpConfig.getStrictHostKeyChecking());
        session.setConfig("StrictHostKeyChecking", sftpConfig.getStrictHostKeyChecking());
    }
    session.setServerAliveInterval(sftpConfig.getServerAliveInterval());
    session.setServerAliveCountMax(sftpConfig.getServerAliveCountMax());
    // compression
    if (sftpConfig.getCompression() > 0) {
        LOG.debug("Using compression: {}", sftpConfig.getCompression());
        session.setConfig("compression.s2c", "zlib@openssh.com,zlib,none");
        session.setConfig("compression.c2s", "zlib@openssh.com,zlib,none");
        session.setConfig("compression_level", Integer.toString(sftpConfig.getCompression()));
    }
    // set the PreferredAuthentications 
    if (sftpConfig.getPreferredAuthentications() != null) {
        LOG.debug("Using PreferredAuthentications: {}", sftpConfig.getPreferredAuthentications());
        session.setConfig("PreferredAuthentications", sftpConfig.getPreferredAuthentications());
    }
    // set user information
    session.setUserInfo(new ExtendedUserInfo() {

        public String getPassphrase() {
            return null;
        }

        public String getPassword() {
            return configuration.getPassword();
        }

        public boolean promptPassword(String s) {
            return true;
        }

        public boolean promptPassphrase(String s) {
            return true;
        }

        public boolean promptYesNo(String s) {
            LOG.warn("Server asks for confirmation (yes|no): " + s + ". Camel will answer no.");
            // Return 'false' indicating modification of the hosts file is disabled.
            return false;
        }

        public void showMessage(String s) {
            LOG.trace("Message received from Server: " + s);
        }

        public String[] promptKeyboardInteractive(String destination, String name, String instruction, String[] prompt, boolean[] echo) {
            // must return an empty array if password is null
            if (configuration.getPassword() == null) {
                return new String[0];
            } else {
                return new String[] { configuration.getPassword() };
            }
        }
    });
    // set the SO_TIMEOUT for the time after the connect phase
    if (configuration.getSoTimeout() > 0) {
        session.setTimeout(configuration.getSoTimeout());
    }
    // set proxy if configured
    if (proxy != null) {
        session.setProxy(proxy);
    }
    return session;
}

Example 2 with DSAPublicKey

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

the class SHA1withDSA_SignatureImpl method engineInitVerify.

/**
     * Initializes this signature object with PublicKey object
     * passed as argument to the method.
     *
     * @params
     *    publicKey DSAPublicKey object
     * @throws
     *    InvalidKeyException if publicKey is not DSAPublicKey object
     */
protected void engineInitVerify(PublicKey publicKey) throws InvalidKeyException {
    // parameters and public key
    BigInteger p, q, y;
    int n1;
    if (publicKey == null || !(publicKey instanceof DSAPublicKey)) {
        throw new InvalidKeyException("publicKey is not an instance of DSAPublicKey");
    }
    DSAParams params = ((DSAPublicKey) publicKey).getParams();
    p = params.getP();
    q = params.getQ();
    y = ((DSAPublicKey) publicKey).getY();
    // checks described in DSA standard
    n1 = p.bitLength();
    if (p.compareTo(BigInteger.valueOf(1)) != 1 || n1 < 512 || n1 > 1024 || (n1 & 077) != 0) {
        throw new InvalidKeyException("bad p");
    }
    if (q.signum() != 1 || q.bitLength() != 160) {
        throw new InvalidKeyException("bad q");
    }
    if (y.signum() != 1) {
        throw new InvalidKeyException("y <= 0");
    }
    dsaKey = (DSAKey) publicKey;
    msgDigest.reset();
}

Example 3 with DSAPublicKey

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

the class OpenSSLSignature method engineInitVerify.

@Override
protected void engineInitVerify(PublicKey publicKey) throws InvalidKeyException {
    // If we had an existing context, destroy it first.
    destroyContextIfExists();
    if (publicKey instanceof OpenSSLKeyHolder) {
        OpenSSLKey pkey = ((OpenSSLKeyHolder) publicKey).getOpenSSLKey();
        checkEngineType(pkey);
        key = pkey;
    } else if (publicKey instanceof RSAPublicKey) {
        if (engineType != EngineType.RSA) {
            throw new InvalidKeyException("Signature not initialized as RSA");
        }
        RSAPublicKey rsaPublicKey = (RSAPublicKey) publicKey;
        key = OpenSSLRSAPublicKey.getInstance(rsaPublicKey);
    } else if (publicKey instanceof DSAPublicKey) {
        if (engineType != EngineType.DSA) {
            throw new InvalidKeyException("Signature not initialized as DSA");
        }
        DSAPublicKey dsaPublicKey = (DSAPublicKey) publicKey;
        key = OpenSSLDSAPublicKey.getInstance(dsaPublicKey);
    } else if (publicKey instanceof ECPublicKey) {
        if (engineType != EngineType.EC) {
            throw new InvalidKeyException("Signature not initialized as EC");
        }
        ECPublicKey ecPublicKey = (ECPublicKey) publicKey;
        key = OpenSSLECPublicKey.getInstance(ecPublicKey);
    } else {
        throw new InvalidKeyException("Need DSA or RSA or EC public key");
    }
}

Example 4 with DSAPublicKey

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

the class OpenSSLDSAPublicKey method equals.

@Override
public boolean equals(Object o) {
    if (o == this) {
        return true;
    }
    if (o instanceof OpenSSLDSAPublicKey) {
        OpenSSLDSAPublicKey other = (OpenSSLDSAPublicKey) o;
        /*
             * We can shortcut the true case, but it still may be equivalent but
             * different copies.
             */
        if (key.equals(other.getOpenSSLKey())) {
            return true;
        }
    }
    if (!(o instanceof DSAPublicKey)) {
        return false;
    }
    ensureReadParams();
    DSAPublicKey other = (DSAPublicKey) o;
    return params.getY().equals(other.getY()) && params.equals(other.getParams());
}

Example 5 with DSAPublicKey

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

the class NativeCryptoTest method test_OpenSSLKey_toJava.

public void test_OpenSSLKey_toJava() throws Exception {
    OpenSSLKey key1;
    BigInteger e = BigInteger.valueOf(65537);
    key1 = new OpenSSLKey(NativeCrypto.RSA_generate_key_ex(1024, e.toByteArray()));
    assertTrue(key1.getPublicKey() instanceof RSAPublicKey);
    key1 = new OpenSSLKey(NativeCrypto.DSA_generate_key(1024, null, null, null, null));
    assertTrue(key1.getPublicKey() instanceof DSAPublicKey);
    long group1 = NULL;
    try {
        group1 = NativeCrypto.EC_GROUP_new_by_curve_name("prime256v1");
        assertTrue(group1 != NULL);
        key1 = new OpenSSLKey(NativeCrypto.EC_KEY_generate_key(group1));
    } finally {
        if (group1 != NULL) {
            NativeCrypto.EC_GROUP_clear_free(group1);
        }
    }
    assertTrue(key1.getPublicKey() instanceof ECPublicKey);
}