A Study on current scenario of cryptographic algorithms

Electronics and cimmunication engineering

Secure system is most important part in the data communication. A digital media can be transmitted easily in real time anywhere at any time due to the multimedia technology and internet, but to maintaining a security of information is a biggest problem now a days. Cryptography playing a major role to provide security. The main aim to protect the data from unauthorized access. The encryption and decryption processes involves in cryptographic concept. There are many cryptographic approaches has been used to provide security such as Data encryption standard, Advanced encryption standard , Blowfish, Two fish, RSA, Modified Advanced encryption standard. A comparison is made between all these approaches shows that Modified AES provides more security than other approaches.

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