Keys distribution in each technique Symmetric-key: It only needs one key to encrypt and decrypt the message. Both user...
Modified Caesar cipher is an extension to Caesar cipher. Caesar cipher is not good because it can be analyzed...
In transposition cipher the alphabets of the plain text are rearranged in a different & usually quite complex...
Multiple columnar transposition technique (i.e simple columnar with multiple rounds) To improve basic Simple columnar transposition technique, we can...
The Poly-Alphabetic cipher is also an example of substitution cipher which uses multiple one-character keys. In the program we...
There are situation where a user sends a message, and later on refuses that he had sent that message...
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