mkpasswd.1: clarify that --rounds without --method makes no sense

On old systems it will be ignored because descrypt does not support
changing the number of rounds, while on newer systems the default
method may change depending on the local configuration.
This commit is contained in:
Marco d'Itri 2018-09-11 01:25:13 +02:00
parent 3197cb7db4
commit 22002f67be

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@ -20,6 +20,7 @@ Use the \fISTRING\fP as salt. It must not contain prefixes such as \fI$1$\fP.
Use \fINUMBER\fP rounds. This argument is ignored if the method chosen
does not support variable rounds. For the OpenBSD Blowfish method this is
the logarithm of the number of rounds.
The behavior is undefined if this option is used without \fI--method\fP.
.TP
.B -m, --method=TYPE
Compute the password using the \fITYPE\fP method.