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From: Santiago Torres Arias <santiago@nyu.edu>
To: Kevin Daudt <me@ikke.info>, git <git@vger.kernel.org>
Subject: Re: SHA-1 chosen-prefix colission attack
Date: Tue, 7 Jan 2020 15:31:48 -0500	[thread overview]
Message-ID: <20200107203147.r33c5plp5g7pmxmj@LykOS.localdomain> (raw)
In-Reply-To: <20200107173111.GB923852@alpha>

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> > As a side result, this shows that it now costs less than 100k USD to
> > break cryptography with a security level of 64 bits (i.e. to compute
> > 264 operations of symmetric cryptography).

Just to clarify:

    As a stopgap measure, the collision-detection library of Stevens and Shumow [SS17]
    can be used to detect attack attempts (it successfully detects our attack).

At the end of section 7.0,

Cheers
-Santiago

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  reply	other threads:[~2020-01-07 20:55 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-07 17:31 SHA-1 chosen-prefix colission attack Kevin Daudt
2020-01-07 20:31 ` Santiago Torres Arias [this message]
2020-01-08  7:30   ` Jeff King

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