diff options
Diffstat (limited to 'lib/libc/gen/rand48.3')
-rw-r--r-- | lib/libc/gen/rand48.3 | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/lib/libc/gen/rand48.3 b/lib/libc/gen/rand48.3 index 8d325a1..c70a832 100644 --- a/lib/libc/gen/rand48.3 +++ b/lib/libc/gen/rand48.3 @@ -12,7 +12,7 @@ .\" @(#)rand48.3 V1.0 MB 8 Oct 1993 .\" $FreeBSD$ .\" -.Dd February 2, 2010 +.Dd September 4, 2012 .Dt RAND48 3 .Os .Sh NAME @@ -49,6 +49,14 @@ .Ft void .Fn lcong48 "unsigned short p[7]" .Sh DESCRIPTION +.Bf -symbolic +The functions described in this manual page are not cryptographically +secure. +Cryptographic applications should use +.Xr arc4random 3 +instead. +.Ef +.Pp The .Fn rand48 family of functions generates pseudo-random numbers using a linear @@ -174,10 +182,8 @@ It is thus not possible to use values greater than 0xffff as the addend. Note that all three methods of seeding the random number generator always also set the multiplicand and addend for any of the six generator calls. -.Pp -For a more powerful random number generator, see -.Xr random 3 . .Sh SEE ALSO +.Xr arc4random 3 , .Xr rand 3 , .Xr random 3 .Sh AUTHORS |