Pavol Rusnak [ARCHIVE] on Nostr: 📅 Original date posted:2014-03-12 📝 Original message:On 03/12/2014 09:37 PM, ...
📅 Original date posted:2014-03-12
📝 Original message:On 03/12/2014 09:37 PM, William Yager wrote:
> (that group of people includes me), PBKDF2-HMAC-SHA512 is very easy to
> implement even on devices that only have a few kB of RAM, and even though
> our number of rounds is very aggressive (2^16 and 2^21), it will still run
> in reasonable time even on very slow embedded ARM processors.
To give you some numbers: TREZOR (120MHz ARM) does 1024 rounds of
PBKDF2-HMAC-SHA512 in around 1 second.
So 2^16 is around one minute, 2^21 is around half an hour.
--
Best Regards / S pozdravom,
Pavol Rusnak <stick at gk2.sk>
📝 Original message:On 03/12/2014 09:37 PM, William Yager wrote:
> (that group of people includes me), PBKDF2-HMAC-SHA512 is very easy to
> implement even on devices that only have a few kB of RAM, and even though
> our number of rounds is very aggressive (2^16 and 2^21), it will still run
> in reasonable time even on very slow embedded ARM processors.
To give you some numbers: TREZOR (120MHz ARM) does 1024 rounds of
PBKDF2-HMAC-SHA512 in around 1 second.
So 2^16 is around one minute, 2^21 is around half an hour.
--
Best Regards / S pozdravom,
Pavol Rusnak <stick at gk2.sk>