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019    package org.apache.james.mailbox.jpa.mail.model.openjpa;
020    
021    import org.jasypt.encryption.pbe.StandardPBEByteEncryptor;
022    
023    /**
024     * Helper class for encrypt and de-crypt data
025     * 
026     *
027     */
028    public class EncryptDecryptHelper {    
029    
030        // Use one static instance as it is thread safe
031        private static StandardPBEByteEncryptor encryptor = new StandardPBEByteEncryptor();
032        
033        
034        /**
035         * Set the password for encrypt / de-crypt. This MUST be done before
036         * the usage of {@link #getDecrypted(byte[])} and {@link #getEncrypted(byte[])}.
037         * 
038         * So to be safe its the best to call this in a constructor
039         * 
040         * @param pass
041         */
042        public static void init(String pass) {
043            encryptor.setPassword(pass);
044        }
045    
046        /**
047         * Encrypt the given array and return the encrypted one
048         * 
049         * @param array
050         * @return enc-array
051         */
052        public static byte[] getEncrypted(byte[] array) {
053            return encryptor.encrypt(array);
054        }
055    
056        /**
057         * Decrypt the given array and return the de-crypted one
058         * 
059         * @param array
060         * @return dec-array
061         */
062        public static byte[] getDecrypted(byte[] array) {
063            return encryptor.decrypt(array);
064        }
065    
066    }