!!! Overview [{$pagename}] or [OTP] is a [password] that is bounded by a single [authentication] session. Often [{$pagename}] is used with [Multi-Factor Authentication] as either [Something You Know] or in the case where a device or [Authenticator App] is used to provide the [{$pagename}] as [Something You Have]. !! [{$pagename}] Some [OTP] standards include the * [One-Time Password System] ([RFC 2289]) * [S-KEY One-Time Password System] ([RFC 1760]), * [HMAC-based One-Time Password Algorithm] ([HOTP] [RFC 4226]) * [Time-based One-time Password Algorithm] ([TOTP] [RFC 6238]) !! More Information There might be more information for this subject on one of the following: [{ReferringPagesPlugin before='*' after='\n' }] ---- * [#1] - [One-time password|Wikipedia:One-time_password|target='_blank'] - based on information obtained 2013-04-10