Example usage for javax.crypto Cipher doFinal

List of usage examples for javax.crypto Cipher doFinal

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Introduction

In this page you can find the example usage for javax.crypto Cipher doFinal.

Prototype

public final byte[] doFinal(byte[] input) throws IllegalBlockSizeException, BadPaddingException

Source Link

Document

Encrypts or decrypts data in a single-part operation, or finishes a multiple-part operation.

Usage

From source file:it.geosolutions.figis.persistence.dao.util.PwEncoder.java

/**
 * Encoding the password on base64// w w w. j  av a  2s .co  m
 * @param msg
 * @return
 */
public static String encode(String msg) {
    try {
        SecretKeySpec keySpec = new SecretKeySpec(KEY, "AES");
        Cipher cipher = Cipher.getInstance("AES");
        cipher.init(Cipher.ENCRYPT_MODE, keySpec);

        byte[] input = msg.getBytes();
        byte[] encrypted = cipher.doFinal(input);
        byte[] output = Base64.encodeBase64(encrypted);

        return new String(output);
    } catch (NoSuchAlgorithmException ex) {
        throw new RuntimeException("Error while encoding", ex);
    } catch (NoSuchPaddingException ex) {
        throw new RuntimeException("Error while encoding", ex);
    } catch (IllegalBlockSizeException ex) {
        throw new RuntimeException("Error while encoding", ex);
    } catch (BadPaddingException ex) {
        throw new RuntimeException("Error while encoding", ex);
    } catch (InvalidKeyException ex) {
        throw new RuntimeException("Error while encoding", ex);
    }
}

From source file:org.runway.utils.StringEncryptDecryptUtil.java

public static String encrypt(String property) throws RunwaySecurityException {
    String result = null;/*from w  w w . j a v  a2s  . c  o m*/
    SecretKeyFactory keyFactory;
    try {
        keyFactory = SecretKeyFactory.getInstance(ALGORITHM);
        SecretKey key = keyFactory.generateSecret(new PBEKeySpec(PASSWORD));
        Cipher pbeCipher = Cipher.getInstance(ALGORITHM);
        pbeCipher.init(Cipher.ENCRYPT_MODE, key, new PBEParameterSpec(SALT, 20));
        result = base64Encode(pbeCipher.doFinal(property.getBytes()));
    } catch (NoSuchAlgorithmException e) {
        throw new RunwaySecurityException(e);
    } catch (InvalidKeySpecException e) {
        throw new RunwaySecurityException(e);
    } catch (NoSuchPaddingException e) {
        throw new RunwaySecurityException(e);
    } catch (InvalidKeyException e) {
        throw new RunwaySecurityException(e);
    } catch (InvalidAlgorithmParameterException e) {
        throw new RunwaySecurityException(e);
    } catch (IllegalBlockSizeException e) {
        throw new RunwaySecurityException(e);
    } catch (BadPaddingException e) {
        throw new RunwaySecurityException(e);
    }

    return result;
}

From source file:com.kylinolap.rest.security.PasswordPlaceholderConfigurer.java

public static String encrypt(String strToEncrypt) {
    try {/*w  w w .j a v a2 s.  c o m*/
        Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
        final SecretKeySpec secretKey = new SecretKeySpec(key, "AES");
        cipher.init(Cipher.ENCRYPT_MODE, secretKey);
        final String encryptedString = Base64.encodeBase64String(cipher.doFinal(strToEncrypt.getBytes()));
        return encryptedString;
    } catch (Exception e) {
    }
    return null;

}

From source file:com.sysfore.pos.licensemanagement.LicenceManagementUtil.java

public static String decrypt(String strToDecrypt) {
    try {/*from w  w w.j  a  v a  2s  . c  om*/
        Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5PADDING");
        final SecretKeySpec secretKey = new SecretKeySpec(key, "AES");
        cipher.init(Cipher.DECRYPT_MODE, secretKey);
        final String decryptedString = new String(cipher.doFinal(Base64.decodeBase64(strToDecrypt)));

        return decryptedString;
    } catch (Exception e) {
        log.error("Error while decrypting", e);

    }
    return null;
}

From source file:de.scrubstudios.srvmon.notificator.classes.Crypt.java

public static String decrypt(String key, String data) {
    byte[] decryptedData = null;
    SecretKeySpec keySpec = new SecretKeySpec(key.getBytes(), "AES");

    try {//from w ww . ja v  a2s .co m
        Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");

        cipher.init(Cipher.DECRYPT_MODE, keySpec);
        //decryptedData = cipher.doFinal(Base64.decode(data));

        decryptedData = cipher.doFinal(Base64.decodeBase64(data));

        //return new String(decryptedData);

        return new String(decryptedData);
    } catch (NoSuchAlgorithmException | NoSuchPaddingException | InvalidKeyException | IllegalBlockSizeException
            | BadPaddingException ex) {
        Logger.getLogger(Crypt.class.getName()).log(Level.SEVERE, null, ex);
    }

    return null;
}

From source file:com.example.license.RSAUtil.java

public static String encrypt(String data, PrivateKey pri_key) throws Exception {
    // Cipher??/*from www .  j a v a 2  s.c  o m*/
    Cipher cipher = Cipher.getInstance(CIPHER_ALGORITHM);
    // SecureRandom random = new SecureRandom();
    // ?Cipher?
    cipher.init(Cipher.ENCRYPT_MODE, pri_key);
    byte[] results = cipher.doFinal(data.getBytes());
    // http://tripledes.online-domain-tools.com/??
    for (int i = 0; i < results.length; i++) {
        System.out.print(results[i] + " ");
    }
    System.out.println();
    // ??Base64?
    return Base64.encodeBase64String(results);
}

From source file:org.runway.utils.StringEncryptDecryptUtil.java

public static String decrypt(String value) throws RunwaySecurityException {
    String result = null;/*from   w  ww .  j a v  a  2  s .  com*/
    SecretKeyFactory keyFactory;

    try {

        keyFactory = SecretKeyFactory.getInstance(ALGORITHM);
        SecretKey key = keyFactory.generateSecret(new PBEKeySpec(PASSWORD));
        Cipher pbeCipher = Cipher.getInstance(ALGORITHM);
        pbeCipher.init(Cipher.DECRYPT_MODE, key, new PBEParameterSpec(SALT, 20));
        result = new String(pbeCipher.doFinal(base64Decode(value)));

    } catch (NoSuchAlgorithmException e) {
        throw new RunwaySecurityException(e);
    } catch (InvalidKeySpecException e) {
        throw new RunwaySecurityException(e);
    } catch (NoSuchPaddingException e) {
        throw new RunwaySecurityException(e);
    } catch (InvalidKeyException e) {
        throw new RunwaySecurityException(e);
    } catch (InvalidAlgorithmParameterException e) {
        throw new RunwaySecurityException(e);
    } catch (IllegalBlockSizeException e) {
        throw new RunwaySecurityException(e);
    } catch (BadPaddingException e) {
        throw new RunwaySecurityException(e);
    } catch (IOException e) {
        throw new RunwaySecurityException(e);
    }

    return result;
}

From source file:it.geosolutions.figis.persistence.dao.util.PwEncoder.java

/**
 * Decode the password on base 64//from   w  w w .  j  av  a2  s .c om
 * @param msg
 * @return
 */
public static String decode(String msg) {
    try {
        SecretKeySpec keySpec = new SecretKeySpec(KEY, "AES");
        Cipher cipher = Cipher.getInstance("AES");
        cipher.init(Cipher.DECRYPT_MODE, keySpec);

        byte[] de64 = Base64.decodeBase64(msg);
        byte[] decrypted = cipher.doFinal(de64);

        return new String(decrypted);
    } catch (NoSuchAlgorithmException ex) {
        throw new RuntimeException("Error while encoding", ex);
    } catch (NoSuchPaddingException ex) {
        throw new RuntimeException("Error while encoding", ex);
    } catch (IllegalBlockSizeException ex) {
        throw new RuntimeException("Error while encoding", ex);
    } catch (BadPaddingException ex) {
        throw new RuntimeException("Error while encoding", ex);
    } catch (InvalidKeyException ex) {
        throw new RuntimeException("Error while encoding", ex);
    }
}

From source file:com.wabacus.util.DesEncryptTools.java

public static String decrypt(String encryptedString) {
    try {//from w  w w  .j av a 2s.c  om
        if (KEY_OBJ == null) {
            log.warn("" + encryptedString);
            return encryptedString;
        }
        byte[] b = base64Decode(encryptedString);
        Cipher c1 = Cipher.getInstance(Algorithm);
        c1.init(Cipher.DECRYPT_MODE, KEY_OBJ);
        return new String(c1.doFinal(b));
    } catch (Exception e) {
        throw new WabacusConfigLoadingException("" + encryptedString + "", e);
    }
}

From source file:com.feedzai.commons.sql.abstraction.util.AESHelper.java

/**
 * Decrypts a string encrypted by {@link #encrypt} method.
 *
 * @param c   The encrypted HEX string./*from  w  w w .j  a  v a  2 s. c om*/
 * @param key The  key.
 * @return The decrypted string.
 */
public static String decrypt(String c, String key) {
    try {
        SecretKeySpec skeySpec = new SecretKeySpec(Hex.decodeHex(key.toCharArray()), "AES");
        Cipher cipher = Cipher.getInstance("AES");
        cipher.init(Cipher.DECRYPT_MODE, skeySpec);
        byte[] decoded = cipher.doFinal(Hex.decodeHex(c.toCharArray()));
        return new String(decoded);
    } catch (Exception e) {
        logger.warn("Could not decrypt string", e);
        return null;
    }
}