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the practice and study of techniques for secure communication and has become so
powerful that messages scrambled with it are virtually undecipherable, like
many powerful technologies, this is a double -edge sword. In Cryptography,encryption
can keep emails, financials transaction and electronic commerce over the
internet, secure and private. In this paper, we tried to put the topic of
cryptography into context, discussed the main objectives, problems encountered,
the techniques involved and the importance of cryptography, we further
elaborated more on the applicationsof cryptography. The information was gotten
over the internet, journals, and e-books from experts and Archives.
report discovered how cryptography is implemented.