Re: Is OpenSSL AES-NI not available in pgcrypto?

Hi,

I see, I was hoping that wasn't the case.

Thanks a lot for your support.

My best regards,

Agharta

Il 03/01/23 16:54, Peter Eisentraut ha scritto:
> On 02.01.23 17:57, agharta82(at)gmail(dot)com wrote:
>> select pgp_sym_encrypt(data::text, 'pwd') --default to aes128
>> from generate_series('2022-01-01'::timestamp,
>> '2022-12-31'::timestamp, '1 hour'::interval) data
>>
>> vs
>>
>> select pgp_sym_encrypt(data::text, 'pwd','cipher-algo=bf') -- blowfish
>> from generate_series('2022-01-01'::timestamp,
>> '2022-12-31'::timestamp, '1 hour'::interval) data
>>
>> In my test both queries execution is similar....aes-128 was expected
>> about  5 time faster.
>>
>> So, why?
>>
>> Pgcrypto use OpenSSL as backend, so, does it explicit force software
>> aes calculation instead of AES-NI cpu ones?
>
> I suspect it is actually using AES hardware support, but all the other
> overhead of pgcrypto makes the difference not noticeable.
>