Comment on BofA mails your PIN to the same address as the card it unlocksparentComments−Xk15yI don't know of any attack. However, my point is just that HMAC means using hashing for a message authentication code. Encrypting hashes makes more sense as to what's going on.
Comments
I don't know of any attack. However, my point is just that HMAC means using hashing for a message authentication code. Encrypting hashes makes more sense as to what's going on.