STM32 MCUs Security

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X-CUBE-CRYPTOLIB AES-CCM optimization

Posted on January 26, 2018 at 09:27Hi,I'm using AES CCM algorithm from X-CUBE-CRYPTOLIB (STM32AccHwCryptoV3.1.0_L4_KEIL_otslsm1elfspf.lib) in sensitive real time system and unfortunelaty it does not fit our time requirement. We would like to investi...

STM32F407 and CRC

Posted on January 19, 2018 at 11:55Hello friends.I created CRC calculator, but I don't know, how to compare results.My input data:uint32_t data[16] = {       0x1234, 0x456, 0x78, 0x09,       0x10, 0x100, 0x1000, 0x01,       0x54, 0x35, 0x98, 0x2432,...

STM32F103 CRC32 of uint8_t buffer

Posted on January 10, 2018 at 14:51 Hi there, I wrote a serial protocol to exchange data between MCU and a PC. This protocol provides a checksum to verify data integrity. At the moment I use a simple sum of each byte but I think that the...

Fede Rico by Associate III
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crypto lib - VFP error

Posted on January 09, 2018 at 14:27HelloI would like to use the crypto lib with gcc (eclipse/ system workbench).The compiler returns this:error: xxx.elf uses VFP register arguments, libSTM32CryptographicV3.0.0_CM4_GCC_ot.a(crypto.o) does not.I'm not...

tarzan2 by Associate III
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STM32L4 Read Protected when flashing

Posted on December 19, 2017 at 09:21Good morning,I'm working in my custom application based on STM32L4.Sometimes, a problem appears when trying to flash the device: If I try to flash it with Keil and Ulink2 interface, a message suddenly appears when...

SPI Broken Communication

Posted on January 31, 2016 at 10:19Hello, I am currently evaluating the EVALSTPM34 Smart Metering IC so that a decision can be made about including it in a smart home management system. Here is the STPM34 IC datasheet for reference: https://my.st.co...

ahmad2 by Associate II
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