Author Archives: hackme

Do we need TrustZone for Cortex-M on a HSM-equipped MCU?

Posted on October 8, 2026 by hackme

A lot of MCUs (especially automotive MCUs) have already been equipped with HSM. HSM itself is a separate CPU equipped with firewall, MPU , isolated flash/ram and crypto peripheral. Developer can use HSM to achieve security-sensitive operat… Continue reading Do we need TrustZone for Cortex-M on a HSM-equipped MCU?→

Posted in hsm, tee

Is Tricore architecture of Infineon vulnerable to stack overflow attack?

Posted on December 3, 2024 by hackme

In this topic, ‘be vulnerable to stack overflow attack’ actually refer to an attacker manipulating the return address of a function to perform a control flow hijacking. Smashing the stack by overflowing the buffer to crash the program will… Continue reading Is Tricore architecture of Infineon vulnerable to stack overflow attack?→

Posted in embedded-system, stack overflow