rotp(1) General Commands Manual rotp(1)
NAME
rotp - Ruby library for generating and verifying one time passwords
SYNOPSIS
rotp [options]
DESCRIPTION
A Ruby library for generating and verifying one time passwords. It
works for both HOTP and TOTP, and includes QR Code provisioning
OPTIONS
-s, --secret [SECRET]
The shared secret
-c, --counter [COUNTER]
The counter for counter-based hmac OTP
-t, --time
Use time-based OTP according to RFC 6238 (default)
-m, --hmac
Use counter-based OTP according to RFC 4226
-h, --help
Show help
Examples
rotp --secret p4ssword # Generates a time-based
one-time password
rotp --hmac --secret p4ssword --counter 42 # Generates a counter-
based one-time password
SEE ALSO
/usr/share/doc/ruby-rotp/index.html
May 2015 rotp(1)
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