SKEY(1) - General Commands Manual # SKEY(1) - General Commands Manual
NAME # skey, otp-md5, otp-rmd160, otp-sha1 - respond to an OTP challenge
SYNOPSIS # skey [-x] [-md5 | -rmd160 | -sha1] [-n count] [-p passphrase] <sequence#> [/] key
DESCRIPTION # S/Key is a procedure for using one-time passwords to authenticate access to computer systems. It uses 64 bits of information transformed by the MD5, RIPEMD-160, or SHA1 algorithms. The user supplies the 64 bits in the form of 6 English words that are generated by a secure computer.
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SKEYAUDIT(1) - General Commands Manual # SKEYAUDIT(1) - General Commands Manual
NAME # skeyaudit - warn users if their S/Key will soon expire
SYNOPSIS # skeyaudit [-ai] [-l limit]
DESCRIPTION # skeyaudit searches through the files in /etc/skey for users whose S/Key sequence number is less than limit, and mails them a reminder to run skeyinit(1) soon.
The options are as follows:
-a
Check all keys in /etc/skey. This option is only available to the superuser and is useful to run regularly via cron(8).
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SKEYINIT(1) - General Commands Manual # SKEYINIT(1) - General Commands Manual
NAME # skeyinit - change password or add user to S/Key authentication system
SYNOPSIS # skeyinit [-DErsx] [-a auth-type] [-n count] [-md5 | -rmd160 | -sha1] [user]
DESCRIPTION # skeyinit initializes the system so you can use S/Key one-time passwords to log in. The program will ask you to enter a secret passphrase which is used by skey(1) to generate one-time passwords: enter a phrase of several words in response.
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