Re: [RFC] CryptoAPI & Compression

From: Herbert Xu
Date: Sun Apr 03 2005 - 06:43:45 EST


On Sun, Apr 03, 2005 at 12:19:17PM +0100, David Woodhouse wrote:
>
> But now we're not using Z_SYNC_FLUSH it doesn't matter if we feed the
> input in smaller chunks. We can calculate a conservative estimate of the
> amount we'll fit, and keep feeding it input till the amount of space
> left in the output buffer is 12 bytes.

Yes that's what we should do. In fact newer versions of zlib carries
a deflateBound function which we can invert to calculate the conservative
estimate.

Cheers,
--
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Email: Herbert Xu ~{PmV>HI~} <herbert@xxxxxxxxxxxxxxxxxxx>
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