Shiaoyun Wang has done it again! After breaking MD5 last year, she has now
broken SHA-1. The NSA's own pridefully recommended encryption system now
affords not even minimal security.
Look to the situations in which you are using it, directly or at one remove.
John Gilmore
Ashland, MA 01721-1
> -Original Message-
> From: IBM Mainframe Discussion List On Behalf Of john gilmore
>
> Shiaoyun Wang has done it again! After breaking MD5 last
> year, she has now broken SHA-1.
1. Who is Shiaoyun Wang?
2. Are these general mathematical refutations of the algorithms?
-jc-
---
> -Original Message-
> From: IBM Mainframe Discussion List
> [mailto:[EMAIL PROTECTED] On Behalf Of Chase, John
> Sent: Monday, December 19, 2005 1:30 PM
> To: IBM-MAIN@BAMA.UA.EDU
> Subject: Re: first MD5 and now SHA-1
>
>
> > -Original Messag
McKown, John wrote:
http://www.schneier.com/blog/archives/2005/02/sha1_broken.html
http://www.schneier.com/blog/archives/2005/02/cryptanalysis_o.html
These posts are ten months old -- from February 2005. Seems like this
isn't exactly new news among the cryptographic community.
--
.-
.
"Chase, John" <[EMAIL PROTECTED]>
Sent by: IBM Mainframe Discussion List
12/19/2005 11:30 AM
Please respond to IBM Mainframe Discussion List
To: IBM-MAIN@BAMA.UA.EDU
cc:
Subject: Re: first MD5 and now SHA-1
> -Original Message-
&g
In a recent note, john gilmore said:
> Date: Mon, 19 Dec 2005 19:04:43 +
>
> Shiaoyun Wang has done it again! After breaking MD5 last year, she has now
> broken SHA-1. The NSA's own pridefully recommended encryption system now
> affords not even minimal security.
>
> Look to the si
> -Original Message-
> From: IBM Mainframe Discussion List On Behalf Of Greg Grimm
>
> Go to http://www.k2crypt.com/sha1.html
Thanks. There were no hits on Google for the apparently "americanized"
spelling "Shiaoyun Wang", but many relevant hits were returned for "Xiaoyun
Wang".
-jc
New details of the Wang's attack---She is at Tsinhua University in
Beijing---have emerged and arel being published in the December 17th issue
of the New Scientist. I personally have seen even morer details, and I am
now satisfied that SHA-1 is dead. Moreover, it is now clear that the whole
cl
At 19:04 + on 12/19/2005, john gilmore wrote about first MD5 and now SHA-1:
Shiaoyun Wang has done it again! After breaking MD5 last year, she
has now broken SHA-1. The NSA's own pridefully recommended
encryption system now affords not even minimal security.
Look to the situatio
On Tue, 20 Dec 2005 02:16:52 -0500 "Robert A. Rosenberg" <[EMAIL PROTECTED]>
wrote:
:>At 19:04 + on 12/19/2005, john gilmore wrote about first MD5 and now
SHA-1:
:>>Shiaoyun Wang has done it again! After breaking MD5 last year, she
:>>has now broken S
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