encryption - What is the Difference between Decode and Decrypt? -

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• difference between encoding , encryption 9 answers

this decrypt , decode word used of people. whenever asked them "what difference between decode , decrypt?" no 1 able answer way wanted hear. can clear this?

encrypting , decrypting used hide (a secret message), while encoding , decoding used bring information specific form (e.g. send on internet connection).

so encryption part of cryptography , relies on secret key. key 1 can decrypt message read original message.

an example encoding url open web page. in url characters have special meaning ?& characters. if want pass characters parameter have encode them, browser doesn't interpret them. urlencode() function place more information.

another example encoding utf-8 standard. surely know ascii table, can represent 265 characters 1 byte. utf-8 encoding allows represent more characters, of course cannot single byte. utf-8 encoding defines when use 1 or 2 or 3 bytes, , how reader can recognize 3 byte characters.