From: Michal Ludvig <michal@logix.cz>
To: "David S. Miller" <davem@redhat.com>
Cc: netdev@oss.sgi.com
Subject: Re: [PATCH] sha2-256 truncation
Date: Fri, 09 Jan 2004 11:12:40 +0100 [thread overview]
Message-ID: <3FFE7E98.6060201@logix.cz> (raw)
In-Reply-To: <3FFE6B72.9030808@logix.cz>
[-- Attachment #1: Type: text/plain, Size: 596 bytes --]
Michal Ludvig told me that:
> the attached trivial patch corrects the truncation size of computed
> hashes that are used in IPsec ESP/AH packets for SHA2-256. All other
> hash algorithms use 96 bits as well as does SuperFreeS/WAN and FreeBSD
> also for SHA2-256. Only the native Linux sha2-256 used 128 bits what led
> to incompatibility with other IPsec implementations.
Oops, sorry. I sent a reversed patch originally. Please use this one
instead.
Michal Ludvig
--
* A mouse is a device used to point at the xterm you want to type in.
* Personal homepage - http://www.logix.cz/michal
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--- linux-2.6.0/net/xfrm/xfrm_algo.c 2004-01-08 01:29:52.067261651 +0100
+++ linux-2.6.0.orig/net/xfrm/xfrm_algo.c 2004-01-08 01:28:38.668690081 +0100
@@ -85,7 +85,7 @@ static struct xfrm_algo_desc aalg_list[]
.uinfo = {
.auth = {
- .icv_truncbits = 128,
+ .icv_truncbits = 96,
.icv_fullbits = 256,
}
},
next prev parent reply other threads:[~2004-01-09 10:12 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-09 8:50 [PATCH] sha2-256 truncation Michal Ludvig
2004-01-09 10:12 ` Michal Ludvig [this message]
2004-01-10 4:51 ` David S. Miller
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