s / key is the type of one-time password (otp) that changes after a set time period.
s / key is the type of one-time password (otp) that changes after a set time period.
what type of one-time password (otp) changes after a set time period?
s / key
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a time-synchronized otp is usually related to a piece of hardware called a security token (e.g., each user is given a personal token that generates a one-time password). it might look like a small calculator or a keychain charm, with an lcd that shows a number that changes occasionally. inside the token is an accurate clock that has been synchronized with the clock on the proprietary authentication server. on these otp systems, time is an important part of the password algorithm, since the generation of new passwords is based on the current time rather than, or in addition to, the previous password or a secret key. this token may be a proprietary device, or a mobile phone or similar mobile device which runs software that is proprietary, freeware, or open-source. an example of time-synchronized otp standard is time-based one-time password algorithm (totp).
one-time password