diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2019-09-28 14:55:13 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2019-09-28 14:55:13 +0000 |
| commit | 3f7009e1c1c90717a65f5a5a44fd601ee74f1ee7 (patch) | |
| tree | 38ff72dd6f872154a36a48fdcf5f74d0c5e5fe65 /lib | |
| parent | 16a010803d3007247de71e990e96da63cf92e94c (diff) | |
1) don't repeat the 256 / EIO commentary
2) say that the data comes from the random(4) subsystem, so that curious
people can go read up on how this works
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libc/sys/getentropy.2 | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/lib/libc/sys/getentropy.2 b/lib/libc/sys/getentropy.2 index 895ee444551..234969e7a1d 100644 --- a/lib/libc/sys/getentropy.2 +++ b/lib/libc/sys/getentropy.2 @@ -1,4 +1,4 @@ -.\" $OpenBSD: getentropy.2,v 1.8 2015/01/31 00:20:12 schwarze Exp $ +.\" $OpenBSD: getentropy.2,v 1.9 2019/09/28 14:55:12 deraadt Exp $ .\" .\" Copyright (c) 2014 Theo de Raadt .\" @@ -14,7 +14,7 @@ .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. .\" -.Dd $Mdocdate: January 31 2015 $ +.Dd $Mdocdate: September 28 2019 $ .Dt GETENTROPY 2 .Os .Sh NAME @@ -31,16 +31,15 @@ as input for process-context pseudorandom generators like .Xr arc4random 3 . .Pp The maximum buffer size permitted is 256 bytes. -If -.Fa buflen -exceeds this, an error of -.Er EIO -will be indicated. .Pp .Fn getentropy is not intended for regular code; please use the .Xr arc4random 3 family of functions instead. +.Pp +The high-quality entropy data is provided by the +.Xr random 4 +subsystem. .Sh RETURN VALUES .Rv -std .Sh ERRORS |