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author | ume <ume@FreeBSD.org> | 2003-10-31 16:06:05 +0000 |
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committer | ume <ume@FreeBSD.org> | 2003-10-31 16:06:05 +0000 |
commit | 2f50cbb708332f469b4898f9f92ba17e95dcf200 (patch) | |
tree | 9fab0c15e434400bde480ac16800b9c5b2d6154d /sys/netinet6/in6_ifattach.c | |
parent | ae762ca5fedee2ad32e940c570d7552fb54f7dbe (diff) | |
download | FreeBSD-src-2f50cbb708332f469b4898f9f92ba17e95dcf200.zip FreeBSD-src-2f50cbb708332f469b4898f9f92ba17e95dcf200.tar.gz |
use arc4random.
Obtained from: KAME
Diffstat (limited to 'sys/netinet6/in6_ifattach.c')
-rw-r--r-- | sys/netinet6/in6_ifattach.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/sys/netinet6/in6_ifattach.c b/sys/netinet6/in6_ifattach.c index 13494f6..ea0db8b 100644 --- a/sys/netinet6/in6_ifattach.c +++ b/sys/netinet6/in6_ifattach.c @@ -140,7 +140,6 @@ generate_tmp_ifid(seed0, seed1, ret) MD5_CTX ctxt; u_int8_t seed[16], digest[16], nullbuf[8]; u_int32_t val32; - struct timeval tv; /* If there's no hisotry, start with a random seed. */ bzero(nullbuf, sizeof(nullbuf)); @@ -148,8 +147,7 @@ generate_tmp_ifid(seed0, seed1, ret) int i; for (i = 0; i < 2; i++) { - microtime(&tv); - val32 = random() ^ tv.tv_usec; + val32 = arc4random(); bcopy(&val32, seed + sizeof(val32) * i, sizeof(val32)); } } else @@ -191,8 +189,7 @@ generate_tmp_ifid(seed0, seed1, ret) log(LOG_INFO, "generate_tmp_ifid: computed MD5 value is zero.\n"); - microtime(&tv); - val32 = random() ^ tv.tv_usec; + val32 = arc4random(); val32 = 1 + (val32 % (0xffffffff - 1)); } |