New answers tagged 3des
I learned about PIN variant from this online blog.... https://www.parthenonsoftware.com/blog/how-to-decrypt-magnetic-stripe-scanner-data-with-dukpt/ BDK and KSN are used to derive a transaction key which is unique for that session. The are unique because KSN is updated after each transaction. Once this key is derived you apply different variants to get ...
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