%% You should probably cite rfc6287 instead of this I-D. @techreport{mraihi-mutual-oath-hotp-variants-14, number = {draft-mraihi-mutual-oath-hotp-variants-14}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-mraihi-mutual-oath-hotp-variants/14/}, author = {David M'Raihi and David Naccache and Johan Rydell and Siddharth Bajaj and Salah Machani}, title = {{OCRA: OATH Challenge-Response Algorithm}}, pagetotal = 38, year = 2011, month = mar, day = 11, abstract = {This document describes an algorithm for challenge-response authentication developed by the Initiative for Open Authentication (OATH). The specified mechanisms leverage the HMAC-based One-Time Password (HOTP) algorithm and offer one-way and mutual authentication, and electronic signature capabilities. This document is not an Internet Standards Track specification; it is published for informational purposes.}, }