Will GPG use Dual Processors under Windows ?
Bob Mathews
bobmath@earthlink.net
Tue Nov 19 06:46:02 2002
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On Monday 18 November 2002 15:27, Ryan Malayter wrote:
> One CPU performs the encryption
> to produce the CFB stream, the other performs XORs and input/output wit=
h
> with the data stream.
There's no opportunity for parallelism here. The XOR has to wait for the=20
output from the cipher before it can proceed. The next cipher block has t=
o=20
wait for the output of the XOR before it can proceed.
You might be thinking of OFB mode.
-bob mathews
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