Distributed Database Security and Catalog Management
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distributed operating systems. A well-known method for data protection is data encryption. Data
encryption is suitable for both storing the information on the disk as well as data exchange through
the network. In data encryption method, the data is encoded into ciphertext, and it can be decoded
into original data as required by using an algorithm. The algorithms used for encoding and decod-
ing data are called key. There are various standard data encryption techniques such as symmetric
key encryption and asymmetric key encryption. A complete presentation of protection schemes is
available ...
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