Example usage for javax.crypto.spec DESedeKeySpec DESedeKeySpec

Introduction

In this page you can find the example usage for javax.crypto.spec DESedeKeySpec DESedeKeySpec.

Prototype

public DESedeKeySpec(byte[] key) throws InvalidKeyException 

Source Link

Document

Creates a DESedeKeySpec object using the first 24 bytes in key as the key material for the DES-EDE key.

Usage

From source file:com.agiletec.aps.util.DefaultApsEncrypter.java

public static Key getKey() {
    try {/*from w w w.j  a  v  a2 s  .  c  o m*/
        byte[] bytes = KEY_STRING.getBytes();
        DESedeKeySpec pass = new DESedeKeySpec(bytes);
        SecretKeyFactory skf = SecretKeyFactory.getInstance(TRIPLE_DES_KEY_SPEC);
        SecretKey s = skf.generateSecret(pass);
        return s;
    } catch (Throwable t) {
        throw new RuntimeException("Error creating key", t);
    }
}

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From source file:com.seer.datacruncher.utils.CryptoUtil.java

public CryptoUtil() {
    try {//from  www  . jav a2 s.co  m
        String myEncryptionKey = cryWorm(Reserved.ENCRYPTIONKEY, Reserved.CHECK, 0);
        String myEncryptionSchema = DESEDE_ENCRYPTION_SCHEMA;
        byte[] keyAsBytes = myEncryptionKey.getBytes(UNICODE_FORMAT);
        KeySpec myKeySpec = new DESedeKeySpec(keyAsBytes);
        SecretKeyFactory mySecretKeyFactory = SecretKeyFactory.getInstance(myEncryptionSchema);
        cipher = Cipher.getInstance(myEncryptionSchema);
        key = mySecretKeyFactory.generateSecret(myKeySpec);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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From source file:com.marvelution.jira.plugins.hudson.encryption.StringEncrypter.java

/**
 * Constructor/*from w w  w .  j  a  v a  2 s .  c  o  m*/
 */
public StringEncrypter() {
    try {
        keySpec = new DESedeKeySpec(DEFAULT_ENCRYPTION_KEY.getBytes(UNICODE_FORMAT));
        keyFactory = SecretKeyFactory.getInstance(DESEDE_ENCRYPTION_SCHEME);
        cipher = Cipher.getInstance(DESEDE_ENCRYPTION_SCHEME);
    } catch (Exception e) {
        LOGGER.fatal("Failed to initilise String Encryption classes. Reason: " + e.getMessage(), e);
        throw new StringEncryptionException(
                "Failed to initilise String Encryption classes. Reason: " + e.getMessage(), e);
    }
}

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From source file:com.anteam.demo.codec.cipher.symmetric.DESedeCoder.java

/**
 * //from w w  w. j av a 2  s.c  om
 */
public DESedeCoder() {
    super();
    try {
        keySpec = new DESedeKeySpec(key);
    } catch (InvalidKeyException e) {
        LOG.error("DESedeKeySpec:" + key, e);
    }
}

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From source file:net.navasoft.madcoin.backend.services.security.Encrypter.java

/**
 * Instantiates a new encrypter./*from  ww  w. ja  v  a  2s . co m*/
 * 
 * @param keyString
 *            the key string
 * @param ivString
 *            the iv string
 * @since 5/08/2014, 08:03:33 PM
 */
public Encrypter(String keyString, String ivString) {
    try {
        final MessageDigest md = MessageDigest.getInstance("md5");
        final byte[] digestOfPassword = md.digest(Base64.decodeBase64(keyString.getBytes("utf-8")));
        final byte[] keyBytes = Arrays.copyOf(digestOfPassword, 24);
        for (int j = 0, k = 16; j < 8;) {
            keyBytes[k++] = keyBytes[j++];
        }

        keySpec = new DESedeKeySpec(keyBytes);

        key = SecretKeyFactory.getInstance("DESede").generateSecret(keySpec);

        iv = new IvParameterSpec(ivString.getBytes());
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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From source file:com.paxxis.cornerstone.encryption.TripleDESEncryptionHandler.java

public void initialize() {
    if (encryptionKeyFile != null) {
        try {/*from  w  ww. j ava 2s. c om*/
            FileReader fr = new FileReader(encryptionKeyFile);
            int cnt;
            char[] cbuf = new char[256];
            StringBuilder builder = new StringBuilder();
            while (-1 != (cnt = fr.read(cbuf, 0, 256))) {
                String s = new String(cbuf, 0, cnt);
                builder.append(s);
            }

            encryptionKey = builder.toString();
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    if (encryptionKey == null) {
        throw new RuntimeException("No Encryption Key");
    }

    try {
        byte[] arrayBytes = encryptionKey.getBytes(UNICODE_FORMAT);
        KeySpec ks = new DESedeKeySpec(arrayBytes);
        SecretKeyFactory skf = SecretKeyFactory.getInstance(DESEDE_ENCRYPTION_SCHEME);
        cipher = Cipher.getInstance(DESEDE_ENCRYPTION_SCHEME);
        key = skf.generateSecret(ks);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

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From source file:Main.java

/**
 *
 * Creates a SecretKey from an encoded DESedeKeySpec
 * //from w w  w.  jav  a 2  s. c  om
 * @param rawkey
 * @return
 * @throws InvalidKeyException
 * @throws NoSuchAlgorithmException
 * @throws InvalidKeySpecException
 */
public static SecretKey createSecretKey(byte[] rawkey)
        throws InvalidKeyException, NoSuchAlgorithmException, InvalidKeySpecException {
    DESedeKeySpec keyspec = new DESedeKeySpec(rawkey);
    SecretKeyFactory keyfactory = SecretKeyFactory.getInstance("DESede");
    return keyfactory.generateSecret(keyspec);
}

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From source file:es.juntadeandalucia.framework.ticket.impl.DefaultTicket.java

public DefaultTicket(Configuration config) throws Exception {
    try {//from   w  w  w  .  j av  a 2s  . c o m
        ticketLifeTime = config.getLong(TIME_TICKET_LIFETIME, 0);
    } catch (Exception e) {
        e = new Exception(msg.getString("ticket.error.lifetimeerror")); //$NON-NLS-1$
        log.warn(e);
        throw e;
    }

    List<?> textKey = config.getList(TICKET_KEY);

    try {
        SecretKeyFactory kf = SecretKeyFactory.getInstance("DESede");
        key = kf.generateSecret(new DESedeKeySpec(hexToByte(textKey)));
    } catch (Exception e) {
        e = new Exception(msg.getString("ticket.error.keycreationerror")); //$NON-NLS-1$
        log.warn(e);
        throw e;
    }
}

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From source file:com.rootcloud.ejb.RootCloudBean.java

public String encryptThreeDESECB(String src, String key) throws Exception {
    DESedeKeySpec dks = new DESedeKeySpec(key.getBytes("UTF-8"));
    SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DESede");
    javax.crypto.SecretKey securekey = keyFactory.generateSecret(dks);
    Cipher cipher = Cipher.getInstance("DESede/ECB/PKCS5Padding");
    cipher.init(1, securekey);//from   w w  w  . j av  a 2 s. c  o  m
    byte b[] = cipher.doFinal(src.getBytes());
    Encoder ec = java.util.Base64.getEncoder();
    return ec.encodeToString(b);
}

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From source file:it.scoppelletti.programmerpower.security.spi.DESedeKeyFactory.java

@Override
protected KeySpec getKeySpec(String alg, KeyRep.Type keyType, Properties props, String prefix) {
    String name, value;/*  www  . j a v a 2s  .  com*/
    byte[] key;
    KeySpec keySpec;

    name = Strings.concat(prefix, DESedeKeyFactory.PROP_KEY);
    value = props.getProperty(name);
    if (Strings.isNullOrEmpty(value)) {
        throw new ArgumentNullException(name);
    }

    try {
        key = Hex.decodeHex(value.toCharArray());
    } catch (DecoderException ex) {
        throw SecurityUtils.toSecurityException(ex);
    }

    try {
        keySpec = new DESedeKeySpec(key);
    } catch (InvalidKeyException ex) {
        throw SecurityUtils.toSecurityException(ex);
    }

    return keySpec;
}

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