How to Find Encryption when knowing Input Plain Text and Output Encrypted Text? [duplicate]

When I submit an Customer Reference ID in an Android Application it POSTs an Encrypted String to an API Endpoint.
For example, if I enter the following CR ID :
"CR-13261150"
it POSTs the following Encrypted Data:
splainText : &q… Continue reading How to Find Encryption when knowing Input Plain Text and Output Encrypted Text? [duplicate]