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Advance security technique for format preserving encryption

Cryptography is a technique used to transmit data in a secured way using encryption and decryption. Encryption is the process of converting information from its original form into an unintelligible form. In Cryptography many traditional algorithms introduced to provide security to sensitive data but encrypted data changes its length and format. There is a requirement to change existing database schema. There is no need to change database schema in Format Preserving Encryption. It is a way to encrypt data such that the cipher text has the same length and format as the plaintext. We have proposed new Format Preserving Method which provides Confidentiality and authentication tends to high security.