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Mono-alphabetic Cipher implementation in C language for encrypting file

A mono-alphabetic cipher is a type of simple substitution cipher. In this cipher technique each letter of the plaintext is replaced by another letter in the cipher-text. An example of a mono-alphabetic cipher key follows:

 

Plain Text   >>>   a  b  c  d  e  f  g  h  i  j  k  l  m  n  o  p  q  r  s  t  u  v  w  x  y  z

Cipher Text >>>  z  w  x  y  o  p  r  q  a  h  c  b  e  s  u  t  v  f  g  j  l  k  m  n  d  i

 

This key means that any ‘a’ in the plaintext will be replaced by a ‘z’ in the cipher-text, any ‘z’ in the plaintext will be replaced by a ‘i’ in the cipher-text, and so on.

The following program shows the simple implementation of mono-alphabetic cipher technique in c language for encrypting and decrypting file

 

 

Shubham Takode

Hii… :) Myself Shubham S. Takode, I am pursuing my B.Tech Degree in Computer Science and Engineering from Shri.Guru Gobind Singhji Institute of Engineering and Technology, MH, India. I am very much interested in Internet Technologies and Computer Science. I like to build websites and work on varioustech projects. So, if you want to build your own website or want to build your own project and need some help then please contact me.

I am always Happy to Help You :)

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Updated: August 19, 2014 — 2:51 PM

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