(or message authentication code), a short piece of information used to authenticate a message, and the algorithm to create and check such information, using a secret key.

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Padding in PMAC

How does padding in PMAC work? I have been told two stories: Firstly, I have been told that it works similar to CMAC padding, and secondly, I have been told that it does not need padding. I find the ...
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Security of .net AES implementation and security of a hash MAC

Hello I wanted to ask if there is any review about the security of the AES implementation of the .net Framework? I found nothing concrete to that question, searching the Internet. And, but this is a ...
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Is the likelihood of a birthday collision linear (evenly distributed) for all ciphers? When are they not?

When discussing the Birthday Principal, in combination with the pigeon hole principal, it was argued that an uneven distribution of birthdays (bias for September and any Tuesday of the year) made ...