Encryption: TCB (Tweaked CodeBook) algorithm - what is it?
Can someone please provide a description of TCB algorithm? ...
block-cipher
Symmetric Bijective Algorithm for Integers
I need an algorithm that can do a one-to-one mapping (ie. no collision) of a 32-bit signed integer onto another 32-bit signed integer. My real concern is enough entropy so that the output of the function appears to be random. Basically I am looking for a cipher similar to XOR Cipher but that can generate more arbitrary-looking outputs. ...
What's the purpose of the feedback loop while encrypting (DES)?
Does it make the encryption stronger? I thought it was used to make sure the ciphertext is more "random." It doesn't really make it any stronger, or so I think. ...
TDEA and CBC mode?
Hello, I am trying to get the hang of encryption diagrams and TDEA (Triple DES). I understand TDEA looks something like this: ciphertext = EK3(DK2(EK1(plaintext))) I also know a chain block cipher uses an IV to seed the encryption and the plain text before encrypting, and then the output is a block that is ciphered and the new IV is fo...