builds a csrf token with a 32 bit radix . concode_field_sep SecureRandom random concode_elem_sep EncryptionUtils INSTANCE concode_elem_sep String CIPHER_TRANSFORMATION concode_elem_sep int IV_LENGTH concode_elem_sep Logger LOGGER concode_elem_sep int IV_HEX_LENGTH concode_elem_sep int RADIX_CSRF_TOKEN concode_elem_sep String ENCRYPTION_ALGORITHM concode_elem_sep int NUM_BITS_CSRF_TOKEN concode_field_sep String decryptWithAES concode_elem_sep String decryptWithAES concode_elem_sep String encryptWithAES concode_elem_sep String encryptWithAES concode_elem_sep EncryptionUtils get
String function ( ) { return new BigInteger ( NUM_BITS_CSRF_TOKEN , random ) . toString ( RADIX_CSRF_TOKEN ) ; }