encrypting and decrypting with a simple substitution cipher

encrypting and decrypting with a simple substitution cipher

References

Reference NO 1

http://www.nku.edu/~christensen/section%201%20substitution%20ciphers.pdf

Reference NO 2

http://stackoverflow.com/questions/15195477/encrypting-and-decrypting-with-a-simple-substitution-cipher

Reference NO 3

http://crypto.stackexchange.com/questions/3826/possible-ways-to-crack-simple-substitution-ciphers

Reference NO 4

http://www.dummies.com/how-to/content/decrypting-cryptographic-ciphers.html

Reference NO 5

http://inventwithpython.com/hacking/chapter17.html

Reference NO 6

http://people.csail.mit.edu/hasinoff/pubs/hasinoff-quipster-2003.pdf

Reference NO 7

http://www.jimloy.com/puzz/cipher0.htm

Reference NO 8

http://practicalcryptography.com/ciphers/simple-substitution-cipher/