2048 bits, damn the electrons! [rt at openssl.org: [openssl.org #2354] [PATCH] Increase Default RSA Key Size to 2048-bits]

[Samuel Neves]

 On 30-09-2010 18:32, Thor Lancelot Simon wrote:
> On Thu, Sep 30, 2010 at 05:18:56PM +0100, Samuel Neves wrote:
>> One solution would be to use 2048-bit 4-prime RSA. It would maintain the
>> security of RSA-2048, enable the reusing of the modular arithmetic units
>> of 1024 bit VLSI chips and keep ECM factoring at bay. The added cost
>> would only be a factor of ~2, instead of ~8.
> This is a neat idea!  But it means changing the TLS standard, yes?
>

IIRC, multi-prime RSA is already supported in standards, but not in
practice (read: OpenSSL):

http://tools.ietf.org/html/rfc3447

Best regards,
Samuel Neves

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