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package twostep
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Module TwostepSource
HOTP and TOTP algorithms for 2-step verification (for OCaml).
Pay attention that this library doesn't persist any HOTP counters neither tracks authenticated/verified valid OTP codes to protect against replay attacks. It's all up to you to build such defenses on top of this library with your underlying cloud-provided storage (NoSQL, relational databases, shared filesystems, etc).