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Transactional email magic link and One-Time Password (OTP)
The magiclinksdev project is an authentication service for magic link and One-Time Password (OTP) use cases. There is built-in email support through Amazon SES and SendGrid.
PHP strong authentication library, web interface & CLI, OATH certified
multiOTP is a PHP class, a powerful command line utility and a web interface developed by SysCo systèmes de communication sa in order to provide a completely free and easy operating system independent server side implementation for strong two factors authentication solution.
multiOTP supports hardware and software tokens with different One-Time Password algorithms like OATH/HOTP, OATH/TOTP and mOTP (Mobile-OTP). QRcode generation is also embedded in order to support provisioning of Google Authenticator software tokens. SMS code sending is currently implemented for several providers (ASPSMS, Clickatell and IntelliSMS).
The data storage of the command line utility is by default flat files based in order to simplify deployment in a few minutes, but MySQL backend is supported too.
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...User will need to provide 3 different information which only he will know such as Home Telephone, Pin Code or any new AD attribute say PIN, Date of Birth, Date of Joining etc.
The second factor is One Time Password (OTP). After successful validation of First Factor, a OTP is sent to the Email address of the user, may it be official or personal.
S/Key - OTP Generator for J2ME architecture. An RFC2289 compliant One-Time Password generator for mobile phone supporting Java language. It uses MD4 and MD5 hash algorithms.