Package org.jivesoftware.util

Class Blowfish

java.lang.Object
org.jivesoftware.util.Blowfish
All Implemented Interfaces:
Encryptor
public class Blowfish extends Object implements Encryptor
A class that provides easy Blowfish encryption.
Author:
Markus Hahn <markus_hahn@gmx.net>, Gaston Dombiak

  • Constructor Details

    • Blowfish

      public Blowfish()
      Creates a new Blowfish object using the default key

    • Blowfish

      public Blowfish(String password)
      Creates a new Blowfish object using the specified key (oversized password will be cut).
      Parameters:
      password - the password (treated as a real unicode array)

  • Method Details

    • encryptString

      public String encryptString(String sPlainText)
      Encrypts a string (treated in UNICODE).
      Parameters:
      sPlainText - string to encrypt
      Returns:
      encrypted string in binhex format

    • decryptString

      public String decryptString(String sCipherText)
      decrypts a hexbin string (handling is case sensitive)
      Parameters:
      sCipherText - hexbin string to decrypt
      Returns:
      decrypted string (null equals an error)

    • destroy

      public void destroy()
      destroys (clears) the encryption engine, after that the instance is not valid anymore

    • encrypt

      public String encrypt(String value)
      Description copied from interface: Encryptor
      Encrypt a clear text String.
      Specified by:
      encrypt in interface Encryptor
      Parameters:
      value - The clear text attribute
      Returns:
      The encrypted attribute, or null

    • encrypt

      public String encrypt(String value, byte[] iv)
      Description copied from interface: Encryptor
      Encrypt a clear text String.
      Specified by:
      encrypt in interface Encryptor
      Parameters:
      value - The clear text attribute
      iv - The IV to use, or null for the default IV
      Returns:
      The encrypted attribute, or null

    • decrypt

      public String decrypt(String value)
      Description copied from interface: Encryptor
      Decrypt an encrypted String.
      Specified by:
      decrypt in interface Encryptor
      Parameters:
      value - The encrypted attribute in Base64 encoding
      Returns:
      The clear text attribute, or null

    • decrypt

      public String decrypt(String value, byte[] iv)
      Description copied from interface: Encryptor
      Decrypt an encrypted String.
      Specified by:
      decrypt in interface Encryptor
      Parameters:
      value - The encrypted attribute in Base64 encoding
      iv - The IV to use, or null for the default IV
      Returns:
      The clear text attribute, or null

    • setKey

      public void setKey(String key)
      Description copied from interface: Encryptor
      Set the encryption key. This will apply the user-defined key, truncated or filled (via the default key) as needed to meet the key length specifications.
      Specified by:
      setKey in interface Encryptor
      Parameters:
      key - The encryption key