Roberto Gallo wrote:
Hi,
We are developing a new hardware device based on Atmels ARM based processors. However, RSA sign times for 1024 bits are critical - ideally it should spend less than 3 seconds.
I have two questions: does anyone have any performance figure of OpenSSL's RSA or DH implementation on ARM based devices (e.g. Pocket PC or PDAs)?
Is there any OpenSSL development branch focused on PDAs (or any ARM based device)?
Hi Robert,
I did a port of OpenSSL to Windows CE which was introduced in OpenSSL 0.9.7. Maintenance has slipped a bit on my behalf due to lack of time, eg. I believe it doesn't build out-of-the-box with the CE 4.x SDK although the required makefile tweaks are very small. I do have some patches almost ready that I need to fix up and submit.
I haven't done any performance testing. If performance of those algorithms is critical for you and the current implementation doesn't measure up then I'm sure the project would appreciate assembler optimsations.
Regards,
Steven
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