libsasl2-modules-otp 2.1.27~101-g0780600+dfsg-3ubuntu2.3 (amd64 binary) in ubuntu bionic

 This is the Cyrus SASL API implementation, version 2.1. See package
 libsasl2-2 and RFC 2222 for more information.
 .
 This package provides the OTP plugin, which supports one time passwords.