Re: Compression before encryption: cryptlib or zlib?
From: Joseph Ashwood (ashwood_at_msn.com)
Date: 07/19/05
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Date: Tue, 19 Jul 2005 00:40:34 GMT
"Peter Gutmann" <pgut001@cs.auckland.ac.nz> wrote in message
news:3k1bvoFs5pq5U1@individual.net...
> There shouldn't be any difference, since cryptlib implements the
> compression
> in RFC 2440 and RFC 3270, both of which specify the zlib format.
Ok, based on that I will revise my statement, I'd stick with cryptlib for
the compilation convenience.
> The cryptlib interface is rather simpler than the zlib one (push data into
> an
> envelope, pop out the result), particularly for non-C languages. Since
> the
> compression result is identical, it probably makes more sense to use the
> higher-level interface provided by cryptlib.
This just makes it even easier to decide. Thanks, I was treating them as
generic compression algorithms A and B, and deciding between them.
Joe
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