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| author | Karel Zak | 2018-03-19 14:03:33 +0100 |
|---|---|---|
| committer | Karel Zak | 2018-03-19 14:03:33 +0100 |
| commit | 655776a2c18cac7071e3828e7733403817fc861b (patch) | |
| tree | 8f39d3689931975bd29be852be8c9501cc1607de /misc-utils/mcookie.1 | |
| parent | Merge branch 'master' of https://github.com/dirkmueller/util-linux (diff) | |
| download | kernel-qcow2-util-linux-655776a2c18cac7071e3828e7733403817fc861b.tar.gz kernel-qcow2-util-linux-655776a2c18cac7071e3828e7733403817fc861b.tar.xz kernel-qcow2-util-linux-655776a2c18cac7071e3828e7733403817fc861b.zip | |
mcookie: (man) add note about getrandom()
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'misc-utils/mcookie.1')
| -rw-r--r-- | misc-utils/mcookie.1 | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/misc-utils/mcookie.1 b/misc-utils/mcookie.1 index 4a6959d48..254157902 100644 --- a/misc-utils/mcookie.1 +++ b/misc-utils/mcookie.1 @@ -17,15 +17,17 @@ system. Typical usage: .PP The "random" number generated is actually the MD5 message digest of random information coming from one of the sources +.IR "getrandom() " +system call, .IR /dev/urandom , .IR /dev/random , or the .IR "libc pseudo-random functions" , -in this preference order. +in this preference order. See also the option \fB\-\-file\fR. .SH OPTIONS .TP .BR \-f , " \-\-file " \fIfile -Use this \fIfile\fR as an additional source of randomness. +Use this \fIfile\fR as an additional source of randomness (for example /dev/urandom). When \fIfile\fR is '-', characters are read from standard input. .TP .BR \-m , " \-\-max\-size " \fInumber |