STM32 MCUs Security

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STM32F107 bootloader with CRC check of bin files

Posted on July 17, 2012 at 16:38Hi, I've implement bootloader IAP with UART. the code run without any problem and I have software upgrade support to my project. I'm using IAR for ARM v6.40.2, I've tried to use the Linker configuration to generate bi...

tamir23 by Associate
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Wrong RXCRC for SPI3 with 18Mhz

Posted on April 03, 2012 at 11:57I've interesting behavior on STM32F105VC. I have SPI3(remmaped) master with SPI auto CRC calculation (RXCRC,TXCRC). For 9Mhz it is fine, for 18Mhz I receive all words correct, including CRC, but RXCRC register is wr...

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stst9184 by Associate II
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SPI CRC calculation for polynom 0x8005

Posted on March 23, 2012 at 19:09 I'm lost with my calculation of crc for 16 bit transmit mode, with a polynom 0x8005, init = 0x0000. I am calculating in Matlab a lookup table first, which seems all right: 0000 8005 800F 000A...

stst9184 by Associate II
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STM32F105 Read protection issue

Posted on February 18, 2012 at 21:29Hello guys. I was trying to read the code out of a STM32F105RBT6 using a SWD circuit and the STMprog software but the code was ''Read protected'' and I couldn't bring it out .Can you guys give me a help or suggest...

vdsr81 by Associate II
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Export Restrictions for STM32F2

Posted on February 17, 2012 at 14:46Hi, I'm interested in using the cool STM32F2 devices.  Some of them also contains symmetric key cryptographic support.  Does this mean that they fall under the Wassenaar Agreement? #crypto

encryption libraries not working

Posted on February 09, 2012 at 21:59Hi everybodyI'm trying to use the encryption libraries with an STM32F4Discovery board.However, the function HASH_SHA1 is not obtaining the hash value, it only got zero.I am using this code to obtain the hash:====...

STM32 Encryption Firmware Library

Posted on January 12, 2012 at 21:02Hi,I saw in the interne ST has a crypto library which name is ''stm32 encryption firmware library''. Now im trying to get this library by local distrubutor. But im not sure that RSA algoritm is in library. Is anyon...