Encryption: Security Tool For Internet - Encryption systems are...
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Encryption systems are defined as either asymmetric or symmetric. Examples of symmetric key algorithms would be AES, Blowfish and DES. They work with a single key that is distributed ahead of time and is shared by both the sender and the receiver. This "key" is used both to encrypt and decrypt the data.
Asymmetric encryption systems, such Diffie-Hellman and RSA, make use of a pair of keys. The public key is widely distributed and used by many users to encrypt information. The private key is different for each online user and is used for decrypting information.
When a browser is connected to a protected domain or Web site a secure layer of sockets holds and validates the server and confirms a method of encryption and a unique session key. This creates a session that is secured and which helps to guarantee privacy and integrity of information exchange.
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