The principle of availability states that information should be available to authorized user at all the time. Example :-...
BlowFish was developed by Bruce Schneier. Blowfish is a symmetric block cipher.It encrypts 64 bit block with variable-length key,...
Multiple columnar transposition technique (i.e simple columnar with multiple rounds) To improve basic Simple columnar transposition technique, we can...
Parasitic Virus:- his is the most common form of virus. Such a virus attaches itself to executable files and...
In Asymmetric key cryptography, each person has two keys i.e. Public key& Private key. The public key is known...
Phishing has become a big problem in recent times. In 2004, the estimated losses due to phishing were to...
The Poly-Alphabetic cipher is also an example of substitution cipher which uses multiple one-character keys. In the program we...
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