STM32 MCUs Security

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AES-GCM Chunk-Size 1

Hello,I'm using AES-GCM using the method cmox_cipher_append() function call, as taken from the example below, taken from Projects\NUCLEO-L476RG\Applications\Cipher\AES_GCM_AEAD_EncryptDecrypt\Src\main.c        retval = cmox_cipher_append(cipher_ctx, ...

Michael1 by Associate
  • 745 Views
  • 4 replies
  • 3 kudos

Resolved! Short of RAM in STM32U585 for TFM_Appli_NonSecure

Hello, I am using STM32U585 TFM architecture for one of my project. Which basically is a combined project of 5 internal projects as usual TFM(mentioned below).1. TFM_Appli_NonSecure2. TFM_Appli_Secure3. TFM_Loader_NonSecure4. TFM_Loader_Secure5. TFM_...

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Nitin by Associate III
  • 185 Views
  • 3 replies
  • 2 kudos

Resolved! AES256 GCM Output incorrect on STM32WB55

Good afternoon,I am trying to encrypt some data using the AES peripheral and compare the results to the same operation in python and .NET. The cipher text output from the operation on the STM32 is different than that of the other two languages.The co...

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POliv by Associate II
  • 223 Views
  • 3 replies
  • 0 kudos

ECDSA Signature Failure

Reference: STM32CubeExpansion_Crypto_V4..1.0, MCU: STM32G474REThe cmox_ecdsa_verify(...) function is failing with a fault code of 0x6c706, which is not contained within cmox_ecc_retvals.h header file. All arguments to the cmox_ecdsa_verify(...) funct...

rrooyen by Associate III
  • 257 Views
  • 2 replies
  • 1 kudos

Resolved! How to read the STSAFE_A110 serial number

Hi I have the project with the chip STSAFE_A110I don't need to development the application I just need to confirm the hardware is ok, for example, obtained the sn of the chip is successfully or other wayI don't want to add the stsw-safea1-mw to my pr...

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dylanou by Associate III
  • 461 Views
  • 9 replies
  • 2 kudos

Newlib 3.3.0 vulnerability

Hello,I have a project created with STM32CubeIDE that includes FreeRTOS.A Black Duck vulnerability scan was made on this project and a single vulnerability (CVE-2021-3420) was detected.This vulnerability describes a flaw in Newlib 3.3.0 (all versions...

SharonVEC by Associate II
  • 693 Views
  • 10 replies
  • 4 kudos

Resolved! Missing CMOX_AESFAST_CFB_DEC_ALGO

In the X-CUBE-CRYPTOLIB v4.1.0, the documentation say that cmox_cipher_decrypt() accept the CMOX_AESFAST_CFB_DEC_ALGO as algo. But CMOX_AESFAST_CFB_DEC_ALGO is not defined, instead there is a CMOX_AESFAST_CFB_DEC_ALG in cmox_cfb.h.

nicolas by Associate III
  • 180 Views
  • 3 replies
  • 1 kudos