code: protected static final String decrypt(String value, String cipherKey) {
          int len = value == null ? 0 : value.length();
          
          if (len < 3) {
              return "";
          }
          
          int identifierIndex = value.charAt(0) - 32;
          int associatorIndex = value.charAt(len - 1) - 32;
          String[] cipher = CipherRegistry.getCipher(cipherKey);
          
          return StrUtil.xlate(value.substring(1, len - 1), cipher[associatorIndex], cipher[identifierIndex]);
      }
docs: Decrypt a string value.
  
  @param value Value to decrypt.
  @return Decrypted value.