11
votes
1answer
220 views

“Please Enter Nth Character” without HSM

This question has been asked a few times, but always in the format "How does examplewebsite.com implement their 'please enter xth yth and zth characters of your password' function?" And the ...
2
votes
1answer
164 views

How does paypal store credit card numbers?

This is just a question for my curiosity, but I was wondering how Paypal stores the credit card numbers? Did they release any informations about it? As for now I would say that they encrypt the card ...
9
votes
5answers
1k views

Use RSA keypair for PGP encryption and decryption

Is there a way that I can use a RSA keypair with PGP? What I mean is that I have 2048 length keypair and i want to use that to encrypt and decrypt data. But all I have found is that the PGP uses some ...