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With the help of block diagram explain DES?
Issued in 1977 by the National Bureau of Standards (now NIST) as Federal Information Processing Standard (FIPS) 46 Was the most widely used encryption scheme ... -
Explain an Diffie-hellman key exchange algorithm?
Purpose is to enable two users to securely exchange a key that can then be used for subsequent symmetric encryption of messages The algorithm is ... -
What is the RSA algorithm?
The RSA algorithm is an asymmetric cryptography algorithm; this means that it uses a public key and a private key (i.e two different, mathematically linked keys). As their names suggest, a ... -
Describe the main applications of Public key cryptography?
Public-key cryptography, or asymmetric cryptography, is an encryption scheme that uses two mathematically related, but not identical, keys - a public key and a private ... -
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 ... -
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 ... -
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 ...