From: Oleg Andreev <oleganza@gmail•com>
To: Tier Nolan <tier.nolan@gmail•com>
Cc: Bitcoin Dev <bitcoin-dev@lists•linuxfoundation.org>
Subject: Re: [bitcoin-dev] Dealing with OP_IF and OP_NOTIF malleability
Date: Fri, 6 Nov 2015 10:32:02 +0100 [thread overview]
Message-ID: <8D9D1049-E502-4A37-ACE4-5A2B1369A90A@gmail.com> (raw)
In-Reply-To: <CAE-z3OUQyW9Hss-jMDx_HjT9y55SctmUiXiGYhTZe6=2Mj2OaA@mail.gmail.com>
> One and zero should be defined as arrays of length one. Otherwise, it is still possible to mutate the transaction by changing the length of the array.
>
> They should also be minimally encoded but that is covered by previous rules.
These two lines contradict each other. Minimally-encoded "zero" is an array of length zero, not one. I'd suggest defining this explicitly here as "IF/NOTIF argument must be either zero-length array or a single byte 0x01".
next prev parent reply other threads:[~2015-11-06 9:32 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-06 8:13 jl2012
2015-11-06 9:22 ` Nick ODell
2015-11-06 9:27 ` Tier Nolan
2015-11-06 9:32 ` Oleg Andreev [this message]
2015-11-06 9:37 ` Tier Nolan
2015-11-06 10:16 ` jl2012
2015-11-10 10:52 ` Oleg Andreev
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