![]() ![]() Now during the login process - after the user has successfully entered their credentials - you wouldĪsk them for a one time code to check it against the secret from your user database. Cách làm nh sau: Trên thit b Android, hãy m ng dng Google Authenticator. So that you don't need to provide the secret you just created on follow-up operations with the current instance. Nu mã vn không úng, hãy ng b hóa thit b Android ca bn. Since the prover and verifier must always match input values this time value is expressed in UTC which bypasses any time-zone issues. set an existing secret $authenticator-> setSecret( $secret) Ī secret created with Authenticator::createSecret() will also be stored internally, The counter value used for TOTP is an ever-increasing time value passed to the HOTP password generator. you can also specify the length of the secret key, which overrides the options setting $secret = $authenticator-> createSecret( 20) hahaha jk) $secret = $authenticator-> createSecret() Here, the one-time password is the 6-digit token that the user sends to the website to get validated. HMAC-Based One-time Password (HOTP) Time-based One-time Password (TOTP) HOTP and TOTP. create a secret (stored somewhere in a *safe* place on the server. Google Authenticator support two types of algorithms. $authenticator = new Authenticator( $options) Via terminal: composer require chillerlan/php-authenticatorĬomposer.json (note: replace dev-main with a version constraint, e.g. ( paragonie/constant_time_encoding is used as fallback)
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