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one-time password

A password given to the user for one login session only and that must be used within a certain amount of time. One-time passwords are sent from tech support to people who need help registering or logging into a website. As soon as the one-time password (OTP) enables access to the site, it is no longer valid, and users must create a permanent password. OTPs are also created for physical authentication devices (see authentication token), and they are sometimes used as a second means of authentication if a person logs in from a new computer (see two-factor authentication).



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one-chip computerone-way hash function
one-click orderingone-wire
One DriveOneCare
one-foot desktopOneDrive
One Laptop Per ChildOneNote
one-offOnePlus
one-pass colorOnePlus 2
one-pass color laserOnePlus 3
one-pass color printerOnePlus 3T
One Plus OneOnePlus 4

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