15.11.2012, в 21:51, Ondřej Surý <[email protected]> написал(а):

> Have you seen this?
> 
> http://svsf40.icann.org/meetings/siliconvalley2011/presentation-gpu-accelerated-rsa-13mar11-en.pdf
> 
> The repository with the code can be found here:
> 
> https://git.nic.cz/redmine/projects/cursa/repository
> 
> According to our measurements the nVidia cards don't have enough
> throughput to be better than simple openssl on multicore machines. But
> your experience may vary.
That's true. 
Most evident benefit from nVidia GPU can be obtained on stream ciphers, 
CTR-modes

Signatures  (either RSA, or elliptic curves) and hashes are badly suitable for 
GPU architecture
> 
> Ondrej
> 
> On Thu, Nov 15, 2012 at 6:22 PM, Miele Andrea <[email protected]> wrote:
>> Hello,
>> I implemented RSA 2048 batch decryption on NVIDIA GPUs in C/CUDA.
>> I would like to have some insight on the possible use of my code to speed up 
>> DNSSEC sign operations with RSA.
>> I do not have precise figures at hand right now, but the latency of my 
>> software depending on the GPU and the configuration of the CUDA execution is 
>> of hundreds of milliseconds (let's say 400 ms) and then number
>> of messages signed is up to 10 thousand.
>> Do you think that a high throughput batch decryption routine could be of any 
>> use in DNSSEC?
>> 
>> Best,
>> 
>> Andrea
>> 
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> 
> 
> 
> -- 
> Ondřej Surý <[email protected]>
> _______________________________________________
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> 

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