From: Xavier Leroy <Xavier.Leroy@inria.fr>
To: Michael Hicks <mwh@dsl.cis.upenn.edu>
Cc: caml-list@inria.fr
Subject: Re: JIT-compilation for OCaml?
Date: Mon, 8 Jan 2001 10:59:55 +0100 [thread overview]
Message-ID: <20010108105955.C13356@pauillac.inria.fr> (raw)
In-Reply-To: <200101050030.f050Uas06293@codex.cis.upenn.edu>; from mwh@dsl.cis.upenn.edu on Thu, Jan 04, 2001 at 07:30:36PM -0500
> MMM, the Ocaml-based web browser, still exists, see
> http://caml.inria.fr/archives/200005/msg00082.html. However, last I knew,
> the Ocaml bytecode lacks the security guarantees of Java bytecode. Dynamic
> linking will not violate stated interface constraints, but these can be
> spoofed, I believe.
I'd be interested to know how you'd spoof them. (Except by breaking
the MD5 crypto hash function, of course, but if you manage to do so,
that would be quite an achievement! Not only would you immediately
get a PhD in crpytography, but you would also have a "fun" time with
men in black from various organizations...)
As far as we know, the interface checking for MMM applets is safe, but
it is very brittle: the slightest change in the browser's APIs will
cause interface checking to fail, requiring a recompile of the
applets. That, and the need for a centralized trusted compiling
authority, makes the scheme much less practical than Java-style
bytecode verification.
- Xavier Leroy
next prev parent reply other threads:[~2001-01-08 11:23 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-02 16:07 Markus Mottl
2001-01-02 18:16 ` Mattias Waldau
2001-01-02 19:30 ` Markus Mottl
2001-01-03 12:15 ` Alain Frisch
2001-01-04 8:37 ` Fabrice Le Fessant
2001-01-04 9:04 ` Alain Frisch
2001-01-03 13:23 ` Mattias Waldau
2001-01-03 14:25 ` Markus Mottl
2001-01-03 14:40 ` STARYNKEVITCH Basile
2001-01-03 15:51 ` John Max Skaller
2001-01-03 17:50 ` Markus Mottl
2001-01-05 0:30 ` Michael Hicks
2001-01-08 9:59 ` Xavier Leroy [this message]
2001-01-09 6:40 ` John Max Skaller
2001-01-03 17:49 ` Joseph R. Kiniry
2001-01-03 18:19 ` Markus Mottl
2001-01-03 18:38 ` Joseph R. Kiniry
2001-01-03 18:58 ` Markus Mottl
2001-01-03 19:06 ` Joseph R. Kiniry
2001-01-04 22:32 ` Jonathan Coupe
2001-01-07 0:16 ` Chris Hecker
2001-01-05 12:52 ` Sven LUTHER
2001-01-05 20:08 ` Joseph R. Kiniry
2001-01-09 7:14 ` John Max Skaller
2001-01-09 6:50 ` John Max Skaller
2001-01-05 12:39 ` Sven LUTHER
2001-01-05 5:48 ` Vitaly Lugovsky
2001-01-03 15:24 Jerry Jackson
2001-01-04 14:12 ` Alan Schmitt
2001-01-09 17:09 Dave Berry
2001-01-11 6:38 ` John Max Skaller
2001-01-09 17:18 Dave Berry
2001-01-11 7:00 ` John Max Skaller
2001-01-11 10:01 ` Alain Frisch
2001-01-12 7:55 ` John Max Skaller
2001-01-11 12:45 Dave Berry
2001-01-12 8:23 ` John Max Skaller
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