We usually use username and password to log in a website, can I use cipher in the situation? Or any difference between these two words?

closed as off-topic by Hot Licks, Laurel, NVZ, Mari-Lou A, user240918 Mar 11 at 20:44

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  • 2
    Have you looked up both words in a dictionary? What did it say? – Laurel Mar 11 at 1:34
  • A "password" is a word or phrase which you speak to the guard at the castle to get him to let you in. – Hot Licks Mar 11 at 1:48
up vote 1 down vote accepted

We usually use username and password to log in a website, can I use cipher in the situation?

No.

...any difference between these two words?

Yes. You probably know what a password is. A cipher is an algorithm used to encrypt and/or decrypt information. Your password (or any other data) could pass through a cypher before being transmitted in an obfuscated (less secure) or encrypted form over the internet to the remote server.

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