Cryptography: Security and Integrity of Data Management
Keywords:Data Encryption and Decryption, Compression, Cryptography Concepts, Security, Integrity
Internet always deals with data. Basically, data is any type of digital information that has been stored in the servers. With the advancement of technology, billion tons of data have been accumulated over the internet. Protection of these data is very crucial as; theft of these data will lead to damages beyond imagination. Data Security is protection of these data and privacy, which prevent hacker from unauthorized access to computers, applications, and data servers. Data security is achieved by implementing Cryptography. Cryptography is a technique in which data is encrypted and stored in the databases, so that if by chance anyone gets access to these data, it will of no use to them. There are many cryptography algorithms that are widely used to encrypt and decrypt data, some of them are AES algorithm, stream ciphers, DES algorithms, etc. The concept of cryptography is not only limited to text encryption but also it has a wide application in visual cryptography, watermarking, steganography, etc. Now a day’s security of communication has become very important, especially after people have started using internet banking. Everything on world wide web is all about confidentiality, integrity, and authentication.
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