[Box Backup] Hash collisions and boxbackup

Wout Mertens boxbackup@fluffy.co.uk
Fri, 19 Oct 2007 16:26:22 +0200 

Hey all,

I thought you might be interested in the odds of having hash collisions.

    http://www.backupcentral.com/content/view/145/47/

Basically, if you use SHA-1 and assume a flat distribution of hash  
values and 4KB blocks, you need 95 Exabyte of data before you should  
worry...

Wout.