After an introduction on risks concerning old static passwords and how they can be stolen, you'll see how strong authentication works with tokens using TOTP and HOTP OATH-compliant algorithms.
You'll discover how it's easy to implement the multiOTP open source library, including an innovative way of distributing tokens by printing a configuration page per account which contains a provisioning QRcode. At the end, using a Raspberry Pi credit-card-sized single-board computer and a few accessories, the author runs a demo of a fully OATH-compliant strong authentication server.
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