How i decrypt my password in sunbeen_V1

How i decrypt my password in sunbeen_V1

I encrypt my password in EncryptionAlgorithm algorithm =
EncryptionAlgorithmFactory.getEncryptionAlgorithm(EncryptionAlgorithmFactory.SUNBEEN_V1);
String encryptedPassword = algorithm.encrypt(password); Input : 123 output
: QL0AFWMIX8NRZauqi4sKCKuhiiIynqH/XF7L277vIQGDCwgjAQCpAA== use Jar File
common.jar in this jar file has two class
1)EncryptionAlgorithmFactory.class and 2)EncryptionAlgorithm.class file
and another file is SunbeenEncryption.class file.
but my question is how i decrypt my password using SUNBEEN_V1 i also
search in google did not get any search regading sunbeen_V1.