public inbox for bitcoindev@googlegroups.com
 help / color / mirror / Atom feed
From: Peter Todd <pete@petertodd•org>
To: Rusty Russell <rusty@rustcorp•com.au>,
	Bitcoin Protocol Discussion
	<bitcoin-dev@lists•linuxfoundation.org>
Cc: lightning-dev@lists•linuxfoundation.org
Subject: Re: [bitcoin-dev] BIP sighash_noinput
Date: Tue, 3 Jul 2018 01:21:00 -0400	[thread overview]
Message-ID: <20180703052100.gtjdverh5irfokrp@petertodd.org> (raw)
In-Reply-To: <87y3esvrvu.fsf@rustcorp.com.au>

[-- Attachment #1: Type: text/plain, Size: 1160 bytes --]

On Tue, Jul 03, 2018 at 02:26:53PM +0930, Rusty Russell via bitcoin-dev wrote:
> Gregory Maxwell via bitcoin-dev <bitcoin-dev@lists•linuxfoundation.org> writes:
> > On Mon, Apr 30, 2018 at 4:29 PM, Christian Decker via bitcoin-dev
> > <bitcoin-dev@lists•linuxfoundation.org> wrote:
> >> Hi all,
> >>
> >> I'd like to pick up the discussion from a few months ago, and propose a new
> >> sighash flag, `SIGHASH_NOINPUT`, that removes the commitment to the previous
> >
> > I know it seems kind of silly, but I think it's somewhat important
> > that the formal name of this flag is something like
> > "SIGHASH_REPLAY_VULNERABLE" or likewise or at least
> > "SIGHASH_WEAK_REPLAYABLE".
> 
> I agree with the DO_NOT_WANT-style naming.  REUSE_VULNERABLE seems to
> capture it: the word VULNERABLE should scare people away (or at least
> cause them to google further).

The problem with that name is `SIGHASH_REUSE_VULNERABLE` tells you nothing
about what the flag actually does.

What name are we going to give a future flag that does something different, but
is also replay vulnerable?

-- 
https://petertodd.org 'peter'[:-1]@petertodd.org

[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]

  reply	other threads:[~2018-07-03  5:21 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-30 16:29 Christian Decker
2018-04-30 18:25 ` Dario Sneidermanis
2018-05-01 16:58 ` Russell O'Connor
2018-05-01 17:32   ` Christian Decker
2018-05-04  9:15     ` ZmnSCPxj
2018-05-04 11:09       ` Christian Decker
2018-05-04 14:25         ` ZmnSCPxj
2018-09-26  9:36   ` Jonas Nick
2018-09-26 19:45     ` Johnson Lau
2018-09-26 20:40       ` Jonas Nick
2018-05-07 19:40 ` Christian Decker
2018-05-07 20:51   ` Bram Cohen
2018-07-03  6:58     ` [bitcoin-dev] [Lightning-dev] " ZmnSCPxj
2018-07-03 11:54       ` William Casarin
2018-05-08 14:40   ` [bitcoin-dev] " Anthony Towns
2018-05-09 23:01     ` Olaoluwa Osuntokun
2018-05-09 23:04     ` Rusty Russell
2018-05-14  9:23       ` [bitcoin-dev] [Lightning-dev] " Anthony Towns
2018-05-15 14:28         ` Christian Decker
2018-05-07 23:47 ` [bitcoin-dev] " Olaoluwa Osuntokun
2018-05-10 14:12   ` Christian Decker
2018-07-02 18:11 ` Gregory Maxwell
2018-07-03  4:56   ` Rusty Russell
2018-07-03  5:21     ` Peter Todd [this message]
2018-07-03 23:45       ` Gregory Maxwell
2018-07-09  9:41         ` Peter Todd
2018-07-03 12:05   ` Christian Decker
2018-07-03 12:13   ` [bitcoin-dev] [Lightning-dev] " Luke Dashjr
2018-07-04 18:08     ` fred savage
2018-07-05  8:18       ` vv01f
     [not found]     ` <CAK_c0Xo0G9-YiOGZK_8WsYNkzjQRaH+u7XOUAozKosggXeXTNg@mail.gmail.com>
2018-07-11  7:43       ` ZmnSCPxj
2018-07-13  0:04       ` Rusty Russell
2018-07-13  9:50         ` fred savage
2018-07-13 11:07           ` Christian Decker

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20180703052100.gtjdverh5irfokrp@petertodd.org \
    --to=pete@petertodd$(echo .)org \
    --cc=bitcoin-dev@lists$(echo .)linuxfoundation.org \
    --cc=lightning-dev@lists$(echo .)linuxfoundation.org \
    --cc=rusty@rustcorp$(echo .)com.au \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox