nRF_crypto and mbedtls comparison?

[Neel]

Dear Nordic,

We are trying to figure out the difference between the working/feature set of nRF_crypto file and mbedtls.

Which one is better and why?

Ambimat

[bjorn-spockeli]

Hi Abimat, 

the nRF_Crypto library has several backends, where mbedtls is one of them, see nrf_crypto backend modules. Which backends do you want to compare? We can supply the execution time for the crypto operations using the different backends.  Which operations are you interested in comparing?

Best regards

Bjørn

[Joel H]

Hi!

Due to my own problem I hijack this old thread, to ask if you could help supplying the expected execution times for:

nrf_crypto_ecc_key_pair_generate and secp256r1 using nRF52840! 

(If I didn't have problems with the RNG I would have generated the numbers myself -- https://devzone.nordicsemi.com/f/nordic-q-a/67518/openthread-dtls-nrf_crypto-question-s )

[bjorn-spockeli]

Hi Joel, apologies for the late reply. Do you still need the expected execution time or did you figure out the RNG issue?