Saturday, August 20, 2011

Encryption

Encryption:-The translation of data into a secret code. Encryption is the most effective way to achieve data security.
Encryption is the process of converting information into
an encrypted form, so that it is intelligible only to
someone who knows how to decrypt it to obtain the
original message.
Symmetric encryption:-A type of encryption where the same key is used to encrypt and decrypt the message.
public-key encryption:-
A cryptographic system that uses two keys -- a public key known to everyone and a private or secret key known only to the recipient of the message. An important element to the public key system is that the public and private keys are related in such a way that only the public key can be used to encrypt messages and only the corresponding private key can be used to decrypt them.

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