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| Path | csiph.com!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail |
|---|---|
| From | Bob Eager <news0073@eager.cx> |
| Newsgroups | comp.misc |
| Subject | Re: [Link Posting] [Cfrg] Notice on chosen-prefix collisions for SHA-1 |
| Date | 13 May 2019 21:05:28 GMT |
| Lines | 35 |
| Message-ID | <gju4goFu7p7U4@mid.individual.net> (permalink) |
| References | <m342G3d+yWNiFpR1l58s6ToQ@dont-email.me> <slrnqdil86.n0k.dan@djph.net> <gjtch5F7v0uU3@mid.individual.net> <slrnqdjb3i.ds3.dan@djph.net> |
| Mime-Version | 1.0 |
| Content-Type | text/plain; charset=UTF-8 |
| Content-Transfer-Encoding | 8bit |
| X-Trace | individual.net 6VjVb/lJ11m0+tHVAEUR8waQYndU/buI/PHR9AOkTy4ModeDZH |
| Cancel-Lock | sha1:5zDiWYrjjbQCNfodPhuAVqp9maQ= |
| User-Agent | Pan/0.141 (Tarzan's Death; 168b179 git.gnome.org/pan2) |
| Xref | csiph.com comp.misc:17986 |
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On Mon, 13 May 2019 17:42:10 +0000, Dan Purgert wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA256
>
> Huge wrote:
>> On 2019-05-13, Dan Purgert <dan@djph.net> wrote:
>>>
>>> Rich wrote:
>>>> [...]
>>>> The text below is a quotation from the URL above:
>>>>>
>>>>> We, Gaetan Leurent and myself, would like to emphasize some results
>>>>> we will present in a few days at Eurocrypt 2019 [LP19]. ePrint
>>>>> version available here: https://eprint.iacr.org/2019/459.pdf
>>>>>
>>>>> [TL;DR] Chosen-prefix collisions for SHA-1 hash function are now
>>>>> practical (cost lower than 100K $), all hope is lost.
>>>
>>> Finally, something I can use to back up "this is bad, and you should
>>> feel bad" when people want to keep from upgrading their ancient
>>> setups.
>>
>> I banned SHA1 at ${MEGABANK} as soon as the theoretical breaks became
>> known, with full support of management.
>
> Can I work for you?
He is proudly retired.
--
Using UNIX since v6 (1975)...
Use the BIG mirror service in the UK:
http://www.mirrorservice.org
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[Link Posting] [Cfrg] Notice on chosen-prefix collisions for SHA-1 Rich <rich@example.invalid> - 2019-05-12 03:11 +0000
Re: [Link Posting] [Cfrg] Notice on chosen-prefix collisions for SHA-1 Dan Purgert <dan@djph.net> - 2019-05-13 11:29 +0000
Re: [Link Posting] [Cfrg] Notice on chosen-prefix collisions for SHA-1 Huge <Huge@nowhere.much.invalid> - 2019-05-13 14:16 +0000
Re: [Link Posting] [Cfrg] Notice on chosen-prefix collisions for SHA-1 Dan Purgert <dan@djph.net> - 2019-05-13 17:42 +0000
Re: [Link Posting] [Cfrg] Notice on chosen-prefix collisions for SHA-1 Bob Eager <news0073@eager.cx> - 2019-05-13 21:05 +0000
Re: [Link Posting] [Cfrg] Notice on chosen-prefix collisions for SHA-1 Dan Purgert <dan@djph.net> - 2019-05-13 22:40 +0000
Re: [Link Posting] [Cfrg] Notice on chosen-prefix collisions for SHA-1 Huge <Huge@nowhere.much.invalid> - 2019-05-14 00:18 +0000
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