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Re: [Trans] Angle brackets in the PRIVATE option (Ticket #1)

Gervase Markham <gerv@mozilla.org> Tue, 01 April 2014 13:54 UTC

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Date: Tue, 01 Apr 2014 15:54:09 +0200
From: Gervase Markham <gerv@mozilla.org>
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To: Rob Stradling <rob.stradling@comodo.com>, Peter Bowen <pzbowen@gmail.com>, Rick Andrews <Rick_Andrews@symantec.com>
References: <544B0DD62A64C1448B2DA253C011414607C85F3902@TUS1XCHEVSPIN33.SYMC.SYMANTEC.COM> <CAK6vND-NToUO3FgC-Tp-nykj-LYpDQE0AewJeF5oUHow6XSLSQ@mail.gmail.com> <53393F1F.6080005@comodo.com>
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Subject: Re: [Trans] Angle brackets in the PRIVATE option (Ticket #1)
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On 31/03/14 12:10, Rob Stradling wrote:
> How long would it take an attacker to perform a dictionary attack to
> discover that "6f993bb2" corresponds to "mail.corp" ?

If only some correlation is desired, then you could just use e.g. the
last two digits of the checksum. This allows a correct match when in
possession of the correct cert, but also one can imagine many
non-existent certs which would also match.

Gerv

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