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wget.texi: Document --random-file and --egd-file as OpenSSL only

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Tim Rühsen 2014-12-17 12:18:11 +01:00
parent b5778699f0
commit f37dd1aa2d
1 changed files with 5 additions and 5 deletions
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doc/wget.texi
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@ -1733,16 +1733,15 @@ that have been revocated by the CAs.
@cindex entropy, specifying source of @cindex entropy, specifying source of
@cindex randomness, specifying source of @cindex randomness, specifying source of
@item --random-file=@var{file} @item --random-file=@var{file}
[OpenSSL and LibreSSL only]
Use @var{file} as the source of random data for seeding the Use @var{file} as the source of random data for seeding the
pseudo-random number generator on systems without @file{/dev/random}. pseudo-random number generator on systems without @file{/dev/urandom}.
On such systems the SSL library needs an external source of randomness On such systems the SSL library needs an external source of randomness
to initialize. Randomness may be provided by EGD (see to initialize. Randomness may be provided by EGD (see
@samp{--egd-file} below) or read from an external source specified by @samp{--egd-file} below) or read from an external source specified by
the user. If this option is not specified, Wget looks for random data the user. If this option is not specified, Wget looks for random data
in @code{$RANDFILE} or, if that is unset, in @file{$HOME/.rnd}. If in @code{$RANDFILE} or, if that is unset, in @file{$HOME/.rnd}.
none of those are available, it is likely that SSL encryption will not
be usable.
If you're getting the ``Could not seed OpenSSL PRNG; disabling SSL.'' If you're getting the ``Could not seed OpenSSL PRNG; disabling SSL.''
error, you should provide random data using some of the methods error, you should provide random data using some of the methods
@ -1750,6 +1749,7 @@ described above.
@cindex EGD @cindex EGD
@item --egd-file=@var{file} @item --egd-file=@var{file}
[OpenSSL only]
Use @var{file} as the EGD socket. EGD stands for @dfn{Entropy Use @var{file} as the EGD socket. EGD stands for @dfn{Entropy
Gathering Daemon}, a user-space program that collects data from Gathering Daemon}, a user-space program that collects data from
various unpredictable system sources and makes it available to other various unpredictable system sources and makes it available to other
@ -1764,7 +1764,7 @@ read random data from EGD socket specified using this option.
If this option is not specified (and the equivalent startup command is If this option is not specified (and the equivalent startup command is
not used), EGD is never contacted. EGD is not needed on modern Unix not used), EGD is never contacted. EGD is not needed on modern Unix
systems that support @file{/dev/random}. systems that support @file{/dev/urandom}.
@end table @end table
@cindex WARC @cindex WARC