About SRB

SRB · 2023-04-04

Hi,I'm using STM32CubeExpansion_Crypto_V4.0.1 library for verifying a signed firmware file on STM32F7 controller. The key-pair has been generated using openssl command-line. The firmware has been signed using the private key (PEM). The signature has ...

SRB · 2020-01-23

Hi,I'm working on STM32F779NI MCU. For our PCB, we have used 32768 Hz LSE crystal for RTC, which has a tolerance of +/-20 ppm. However on long-run testing, a time gain of around 6 sec in 25 hrs was observed, which is higher than the stated tolerance....

SRB · 2023-04-27

Hi Jocelyn,Thanks, yes, it's SECP256R1. When I checked using sign & verify functions of cmox_ecdsa API, it worked. Shall compare using other online tools and post an update.

SRB · 2020-01-23

Thanks @Community member , yes we are running it at 23-25 deg C. Will check AN2867.

SRB · 2020-01-23

Thanks @Community member for your inputs, will check on the drive current.

User statistics

User Activity

X-CUBE-CRYPTOLIB: ECDSA invalid public key format

STM32F779NI: RTC time-gain with 32768 Hz LSE crystal

Re: X-CUBE-CRYPTOLIB: ECDSA invalid public key format

Re: STM32F779NI: RTC time-gain with 32768 Hz LSE crystal

Re: STM32F779NI: RTC time-gain with 32768 Hz LSE crystal