python (12.9k questions)

javascript (9.2k questions)

reactjs (4.7k questions)

java (4.2k questions)

java (4.2k questions)

c# (3.5k questions)

c# (3.5k questions)

html (3.3k questions)

Questions - hal

SHA256 digest disagrees in Python vs. STM32's built-in HASH device

Problem: I am trying to compute the SHA256 digests of single blocks (512 bit) on an STM32L552ZE-Q using mbedTLS the HASH device built into the STM32 I am using. Unfortunately, the digest doesn't agree...
test-img

iMrFelix

hash

stm32

sha256

hal

Votes: 0

Answers: 1

Latest Answer

Turns out that the problem was caused by me being sloppy and writing memset(obuf, 1, sizeof(ibuf)); instead of memset(obuf, 1, sizeof(obuf));. This caused the memset to overwrite part of the input buf...
test-img

iMrFelix

Can i cast the four bytes of a uint32_t to uint8_t pointers

Some background: I'm using STM32 to receive and transmit a long 24 bit signal that can determine whether batteries are overly discharged or overly charged, and monitor temperatures through an AFE. The...
test-img

Lyndon Alcock

pointers

casting

stm32

hal

Votes: 0

Answers: 1

Latest Answer

Accessing the individual bytes of a 32-bit integer is fine. However, both of your approaches fail to work because you are passing the wrong memory address to HAL_SPI_Transmit(). You are passing the ad...
test-img

Remy Lebeau

please help me NNAPI analysis

I'm studying android platform, especially nnapi. I found out Arm nn driver processes requests from application through NNAPI. I was trying to figure out the flow of the function in the code base, and ...
test-img

pleaseletmeknow

android

arm

kernel

hal

nnapi

Votes: 0

Answers: 1

Latest Answer

pleaseletmeknow, Can you provide more details about what you're trying to achieve and the problems you're encountering? You should not need to know the underlying architecture of the drivers to be abl...
test-img

Jean-Luc Brouillet

How to set and delete AES key within AES HAL

I have the following auto-generated (from HAL) pKeyAES array (there is also an initVectorAES that looks the same): __ALIGN_BEGIN static const uint8_t pKeyAES[16] __ALIGN_END = { ...
test-img

Robin Svensson

c

stm32

hal

Votes: 0

Answers: 1

Latest Answer

If I understand correctly, it should be quite simple. Having a pointer to a new key (const uint8_t *pNewKeyAES), copy it to the pKeyAES storage and perform the initialization. In the following, if pNe...
test-img

nielsen

Posts

Questions

Blogs

Jobs