Encryption is process of making data in the form unreadable by other humans or computers for the purpose of preventing others from gaining access to its contents. Encryption data is generated by using the encryption program or algorithm such as PGP, encryption machine, or a simple encryption key and appears as garbage until it is decrypted. To read or use the data, it must be decrypted, and only those who have the correct password or decryption key can make the data readable again. The primary purpose of Encryption is to protect the confidentiality of digital data stored on computer systems or transmitted via the Internet or other computer networks. Modern Encryption algorithms play a vital role in the security assurance of IT systems and communications as they can provide not only confidentiality