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-rw-r--r--share/man/man4/random.414
1 files changed, 12 insertions, 2 deletions
diff --git a/share/man/man4/random.4 b/share/man/man4/random.4
index e2809f4..095b73f 100644
--- a/share/man/man4/random.4
+++ b/share/man/man4/random.4
@@ -23,7 +23,7 @@
.\"
.\" $FreeBSD$
.\"
-.Dd September 7, 2012
+.Dd July 29, 2013
.Dt RANDOM 4
.Os
.Sh NAME
@@ -43,6 +43,13 @@ The device will probe for
certain hardware entropy sources,
and use these in preference to the fallback,
which is a generator implemented in software.
+If the kernel environment MIB's
+.Va hw.nehemiah_rng_enable
+or
+.Va hw.ivy_rng_enable
+are set to
+.Dq Li 0 ,
+the associated hardware entropy source will be ignored.
.Pp
If the device is using
the software generator,
@@ -74,6 +81,7 @@ device, use the command line:
.Pp
which results in something like:
.Bd -literal -offset indent
+kern.random.adaptors: yarrow
kern.random.sys.seeded: 1
kern.random.sys.harvest.ethernet: 1
kern.random.sys.harvest.point_to_point: 1
@@ -89,7 +97,9 @@ kern.random.yarrow.slowoverthresh: 2
(These would not be seen if a
hardware generator is present.)
.Pp
-All settings are read/write.
+Other than
+.Dl kern.random.adaptors
+all settings are read/write.
.Pp
The
.Va kern.random.sys.seeded
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