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Explain birth day attack ?
A birthday attack is a type of cryptographic attack that exploits the mathematics behind the birthday problem in probability theory. This attack can be used to abuse communication between two ... -
Draw the block diagram of Cipher block chaining mode(CBC) in Block ciphers. Give one of ...
a block cipher takes a fixed-length block of text of length b bits and a key as input and produces a b -bit block of ciphertext. If the amount of ... -
With a neat diagram explain HMAC algorithm ?
HMAC algorithm stands for Hashed or Hash based Message Authentication Code. It is a result of work done on developing a MAC derived from cryptographic hash functions. HMAC is a ...