Re: faster & public domain MD5 implementation
| From: | Solar Designer | Date: | Sun, 09 Dec 2007 17:49:02 +0000 |
| Subject: | Re: faster & public domain MD5 implementation | ||
| References: | 1 2 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-33884@lists.php.net to get a copy of this message | ||
On Sun, Dec 09, 2007 at 12:53:56PM +0100, Peter Brodersen wrote:
> A bit on a side note regarding the php function md5(): In general it
> is possible to supply an arbitrary number of bits as input to MD5.
> However, the implementation of md5() only takes a sting with octets as
> the smallest fragments.
>
> Would it somehow be possible to supply an input where the number of
> bits does not add up to a number divisible by eight? Or is this
> feature of md5 simply not relevant to anybody?
I don't think there's any demand for this. Even the reference
implementation only works on whole octets, so there are no protocol
specs or anything (that I am aware of) that would require computation
of MD5 on a bitstream of arbitrary length.
Alexander