STM32 MCUs Security

Ask questions and find answers on STM32 security frameworks and tools, including cryptographic libraries, TrustZone, and the Secure Manager.

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Forum Posts

STM32F1.. SPI CRC problem

Posted on December 15, 2013 at 21:04Hi, After a few days of experimenting and struggeling my SPI application CRC check somehow still does not seem to work. I'm using the STM32F103ZD uC. Master SPI1 sends data and slave SPI2 receives this data. MOSI/...

random number

Posted on January 15, 2013 at 15:42Hi, I use STM32F107. I have to generate a random number. I don't see how to do it :\ Anybody for help ? #random-number #rng

TLS keys to AES key in STM32F4

Posted on November 22, 2013 at 17:25I'm having trouble bridging the two pools of information I read on the subject of TLS handshakes and the AES cryptographic processor. TLS is an exchange of a server certificate, a client premaster secret, and a pu...

drobison by Associate II
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Big Endian CRC

Posted on November 12, 2013 at 22:51I would like to use the hardware CRC on the STM32F407 with DMA. However, my data comes in Big Endian, so if I just use the memory to memory DMA setup my CRC does not compute correctly. Is there a way that I can co...

arolin by Associate
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CRC-16 Calculation

Posted on October 11, 2013 at 12:38Hi all ,Currently i am trying to communicate with Vending machine through DEX protocol via STM32.But i could not calculate accurate CRC-16 byte so i receive always an error.There are many online calculator about cr...

STM32 AES bootloader

Posted on October 07, 2013 at 15:33Couldn't find topic related appnotes ... Is there any? Like Atmel's http://www.atmel.com/Images/doc2589.pdf There has to be a way to make a easy and protected firmware upgrade on STM chips! Or I'm just bad at findi...

CRYP unit not working on ST32F407

Posted on August 29, 2012 at 15:03Hi forum, I'm having trouble getting the CRYP unit working on a ST32F407. First I've tried manually (failed) and -- thinking that I did something wrong -- tried with the ST provided libraries (which also don't work)...

johannes2 by Associate II
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Problem with Automatic Write Protection & Bootloading

Posted on December 18, 2012 at 09:50Hi AllI have an '105 running a bootloader & application.  The bootloader is stable and I regularly release updates for products in the field.  I recently had a requirement to upgrade the bootloader in the field an...

gordon23 by Associate
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checksum CODE and IELFTOOL

Posted on April 23, 2013 at 15:33 Hello everybody, I would like to know if you have already use IELFTOOL to calculate the checksum of your code and to store it in the FLASH. Like explain by IAR and theirs technicals notes, ->I h...

gfoujanet by Associate II
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