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(PHP Extension) TOTP Authenticator: Duplicate Results of Online ToolsDuplicates the online tool for the Google 2FA Authenticator online tools at For more information, see https://rootprojects.org/authenticator/
<?php // The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number. // For example, if using Chilkat v9.5.0.48, then include as shown here: include("chilkat_9_5_0.php"); // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // // Note: This example was written on 7-March-2020. If the online tools have since changed, the instructions provided here may no longer be valid. // $crypt = new CkCrypt2(); // --------------------------------------------------------------------------------------------- // To duplicate the results of the Authenticator Test at https://rootprojects.org/authenticator/ // do the following: // 1) At the bottom of the screen you will see a URI such as: // // otpauth://totp/ACME%20Co:john@example.com?secret=HXDMVJECJJWSRB3HWIZR4IFUGFTMXBOZ&issuer=ACME%20Co&algorithm=SHA1&digits=6&period=30 // // Use the uppercase secret. For example: $secretKey = 'HXDMVJECJJWSRB3HWIZR4IFUGFTMXBOZ'; // 2) DO NOT cick the "Regenerate" button. The regenerate button will generate a new secret. // // 3) Run the following code to generate your 6-digit token. Compare with the token shown in the picture of the iPhone at https://rootprojects.org/authenticator/ // Note: A new token is generated every 30 seconds. You must generate within the same 30 second interval to get the same result. print 'Your token is: ' . $crypt->totp($secretKey,'base32','0','',30,6,-1,'sha1') . "\n"; // --------------------------------------------------------------------------------------------- // To duplicate the results of the Google2FA Playground at https://pragmarx.com/playground/google2fa#/ // do the following: // 1) Copy the 64-byte secret key: $secretKey = 'OR2VQTRVHB2HO2LCGVWXQSCDK5ZHQS2D3THQ6UXO57XIE7ZHOWS6HDPQ622GU747'; // 2) Run the same code: // (Note: The online tool generates a new result every 30 seconds. You must generate and compare within the same 30-second interval.) print 'Your token is: ' . $crypt->totp($secretKey,'base32','0','',30,6,-1,'sha1') . "\n"; ?> |
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