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Re: [TLS] Fwd: New Version Notification for draft-sheffer-tls-bcp-00.txt

Peter Gutmann <pgut001@cs.auckland.ac.nz> Tue, 10 September 2013 09:50 UTC

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From: Peter Gutmann <pgut001@cs.auckland.ac.nz>
To: "michael@stroeder.com" <michael@stroeder.com>, "tls@ietf.org" <tls@ietf.org>
Thread-Topic: [TLS] Fwd: New Version Notification for draft-sheffer-tls-bcp-00.txt
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Date: Tue, 10 Sep 2013 09:50:22 +0000
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Subject: Re: [TLS] Fwd: New Version Notification for draft-sheffer-tls-bcp-00.txt
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=?ISO-8859-1?Q?Michael_Str=F6der?= <michael@stroeder.com> writes:

>Do you have numbers about the relative and absolute performance impact?
>Personally I don't see performance problems but I can't prove my position
>with numbers.

http://www.javamex.com/tutorials/cryptography/rsa_key_length.shtml is one
source (and quicker than digging out my copy of HAC :-):

  With every doubling of the RSA key length, decryption is 6-7 times times slower. 

Peter.

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