RFC 6238 in Common Lisp

· Funcall Blogspot · Aug. 4, 2026, 12:20 p.m.
Summary
This blog post presents an implementation of the Time-based One-Time Password (TOTP) algorithm as per RFC 6238 in Common Lisp. The author shares their experience in developing this implementation, which includes functionality for secret generation, QR code URI creation, and code verification. It adheres to relevant standards and is shared under the MIT license, making it open for use and adaptation by others.
AUTHOR
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