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Re: SHA-1 broken
From: Darren Reed (avaloncaligula.anu.edu.au)
Date: Sat Feb 19 2005 - 11:24:17 CST
In some mail from dulliengmx.de, sie said:
> Hey all,
> > We abandon the requirement of collision resistance. This is a strange
> > requirement, and is not supported by experience. Collision resistance
> we might think of changing the requirement of collision resistance
> to "collision resistance in input data that is valid ASCII text". The
> attacks on MD5 used the weak avalanche of the highest-order bit
> in 32-bit words for producing the collision, basically precluding the
> possibility of generating colliding ASCII text.
And what about the case for (uncompressed) binary images ?