diff options
author | kris <kris@FreeBSD.org> | 2000-09-29 01:37:19 +0000 |
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committer | kris <kris@FreeBSD.org> | 2000-09-29 01:37:19 +0000 |
commit | 6105160a2317991da14e4902a0314e594635e989 (patch) | |
tree | bf1c2a01570ab0444f6ab7848761cdbfbf75072b /sys/netinet/tcp_seq.h | |
parent | 13282b896864dd0d93120062a1001858cfaf3ed9 (diff) | |
download | FreeBSD-src-6105160a2317991da14e4902a0314e594635e989.zip FreeBSD-src-6105160a2317991da14e4902a0314e594635e989.tar.gz |
Use stronger random number generation for TCP_ISSINCR and tcp_iss.
Reviewed by: peter, jlemon
Diffstat (limited to 'sys/netinet/tcp_seq.h')
-rw-r--r-- | sys/netinet/tcp_seq.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/netinet/tcp_seq.h b/sys/netinet/tcp_seq.h index aeefb20..49b714a 100644 --- a/sys/netinet/tcp_seq.h +++ b/sys/netinet/tcp_seq.h @@ -91,7 +91,7 @@ extern tcp_cc tcp_ccgen; /* global connection count */ * number in the range [0-0x3ffff] that is hard to predict. */ #ifndef tcp_random18 -#define tcp_random18() ((random() >> 14) & 0x3ffff) +#define tcp_random18() (arc4random() & 0x3ffff) #endif #define TCP_ISSINCR (122*1024 + tcp_random18()) |