MD5 collisions?

Mads Rasmussen mads at opencs.com.br
Tue Aug 17 13:12:15 EDT 2004


Eric Rescorla wrote:

>Check out this ePrint paper, which claims to have collisions in
>MD5, MD4, HAVAL, and full RIPEMD.
>
>http://eprint.iacr.org/2004/199.pdf
>
>The authors claim that the MD5 attack took an hour for the first
>collision and 15 seconds to 5 minutes for subsequent attacks
>with the same first 512 bits. 
>  
>
So what's the status?, the MD5 collisions has been confirmed by Eric 
Rescorla (taken the type into consideration), the MD4  by David Shaw, 
what about Haval and RipeMD?.

I did a test on the RipeMD results and couldn't get the results written. 
Anybody else having the same problems?

Any news on Antoine Joux and his attack on SHA-0? how did he create the 
collision previously announced on sci.crypt?

Regards,

Mads Rasmussen
Open Communications Security

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