[Standards] certification etc.

Dave Cridland dave at cridland.net
Thu Mar 29 15:26:04 UTC 2007


On Thu Mar 29 15:21:43 2007, Matthias Wimmer wrote:
> Hi Boyd!
> 
> Fletcher, Boyd C. CIV US USJFCOM JFL J9935 schrieb:
>> 2) With TLS compression you can use something like the new 
>> Efficient XML spec coming out of the W3.org which is better than 
>> zlib (and faster!)
> 
> As you can define new compression algorithms for stream 
> compression, you can define them for TLS as well. Compression in 
> TLS is modular as well. E.g. there is not only zlib (RFC 3749) but 
> also LZO/LZS (RFC 3943). Other compression algorithms, even 
> algorithms specialized for XML compression, can be added to TLS as 
> well.

Almost - there are a handful of restrictions in what output a 
compression algorithm is allowed to produce in TLS. Not many, but 
they're sufficient to block some naïve compression algorithms.

Dave.
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