onetimepass's Introduction
NAME onetimepass - one-time password generator SYNOPSIS onetimepass [options] DESCRIPTION onetimepass is a perl script for calculating TOTP (Time-based One-time Password Algorithm) and HOTP (HMAC-Based One-Time Password Algorithm) tokens. One can use this script to sign in to some application that uses 2-step verification (e.g. google, dropbox etc.) OPTIONS -c,--counter *counter* HOTP counter (default is 0) -d,--delay *delay* Delay between iterations in second (used with '--loop' option, default is 5) -f,--file *file* Use *file* configuration file instead of '~/.onetimepassrc' -h,--help,--usage Show a 'Usage' message --hmac Use HOTP instead of TOTP -l,--loop Calculate TOTP tokens in continuous loop -m,--man Show complete manual -n,--next Calculate next TOTP token too -s,--secret *SECRET* Use *SECRET* instead of secrets in the configuration file. *SECRET* must be base32 encoded string. You can get your *SECRET* while setting up 2-step verification for your accounts (e.g. google, dropbox etc.) -t,--time *time* Calculate TOTP token using specified unix *time* instead of current time CONFIGURATION FILE You may define a '~/.onetimepassrc' file with your secrets: *NAME* *SECRET* e.g.: # my e-mail account [email protected] MYSECRET # another account anotheraccount MYSECRET EXAMPLE $ perl onetimepass -s MYSECRET --next --loop --delay 1 $ perl onetimepass -s MYSECRET --hmac --counter 42 $ ./onetimepass -n DEPENDENCIES Debian/Ubuntu (12.10 and newer) $ sudo apt-get install libauthen-oath-perl libgetopt-mixed-perl libconfig-general-perl Ubuntu (12.04 and older) $ sudo apt-get install libgetopt-mixed-perl libconfig-general-perl libdigest-hmac-perl libmoose-perl $ wget http://launchpadlibrarian.net/103790872/libauthen-oath-perl_1.0.0-1_all.deb $ sudo dpkg -i libauthen-oath-perl_1.0.0-1_all.deb using CPAN client $ cpan > install Authen::OATH > install Getopt::Mixed > install Config::General SEE ALSO Documentation for the Authen::OATH module Time-based One-time Password Algorithm <http://tools.ietf.org/html/rfc6238> HMAC-Based One-Time Password Algorithm <http://tools.ietf.org/html/rfc4226> AUTHOR written by malyavka just for fun
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