![]() The above is one of the simplest examples of symmetric encryption, but many complex variations exist for enhanced security. Once received, the recipient will decrypt it using the same reverse methodology – ‘08’ is ‘H’, ‘05’ is ‘E’, and so on, to get the original message value “HELLO.” Even if unauthorized parties receive the encrypted message “0805121215,” it will be of no value to them unless they know the encryption methodology. ![]() A message like “HELLO” will be encrypted as “0805121215,” and this value will be transmitted over the network to the recipient(s). A simple example is representing alphabets with numbers – say, ‘A’ is ‘01’, ‘B’ is ‘02’, and so on. It uses the same secret key to encrypt the raw message at source, transmit the encrypted message to the recipient, and then decrypt the message at the destination. The first is known as Symmetric Encryption Cryptography. Several general methods exist for encryption.
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