[Systems] File integrity (was: Re: mirror management system)

[Sascha Silbe]

On Mon, Oct 12, 2009 at 12:11:46PM -0500, David Farning wrote:

> 3. Security.  We are going to have to consider that mirrors can be
> hijacked.  ISOs will have to be shipped with md5 hashes.
MD5 is a very bad choice for authentication; it should be considered 
broken. SHA-1 is starting to "fail" as well (but currently fine); AFAIK 
SHA-256 should be safe choice mid-term.
If you only want to guard against technical failures (corrupted 
download), MD5 is still fine of course.

CU Sascha

-- 
http://sascha.silbe.org/
http://www.infra-silbe.de/
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