Anyone with a different key (or no key at all) will only end up scrambling the message further and will be looking at a collection of letters and numbers that make no logical sense. The recipient knows what code was used to jumble it up and can thus, use the same key to unscramble or unlock the message. The file or message is scrambled with the help of a code or key. The basic principle behind encryption is surprisingly simple. Had the message been encrypted, the interceptor would only see gibberish in place of the content, unless he or she possesses the decryption key for the message (which is obviously unlikely, as the email was intercepted on the way to the intended recipient).Hence, encryption serves to keep your emails private, away from snooping eyes.Įncryption is a fascinating and handy utility that helps to keep your files or your communication sessions with other devices secure so that no intruder can have access to them. If an email being exchanged between two parties is intercepted and read, the contents of that email can be easily understood by the hacker if the message was sent in plain text, i.e., without any encryption.
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