Classic ASP

Generate TOTP using Base32 Secret (6 Digits, Time-based, 30-second period)

Generates a 6-digit time-based TOTP code using a base32 secret with a 30-second time period.

Chilkat Classic ASP Downloads

Classic ASP

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
success = 0

' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.
' 
set crypt = Server.CreateObject("Chilkat.Crypt2")

' Base32 secret key:
secretKey = "oebf ytfl qmzb p4xd 2ztf zyz4 hjrw 3uyo"

set sbKey = Server.CreateObject("Chilkat.StringBuilder")
success = sbKey.Append(secretKey)

' Remove SPACE chars.
numRemoved = sbKey.Replace(" ","")

' Note: A new token is generated every 30 seconds.  You must generate within the same 30 second interval to get the same result.

' Generate 6 digits.
numDigits = 6
' 30 second time period.
timePeriod = 30
Response.Write "<pre>" & Server.HTMLEncode( "Your token is: " & crypt.Totp(sbKey.GetAsString(),"base32","0","",timePeriod,numDigits,-1,"sha1")) & "</pre>"

%>
</body>
</html>