Black-Box Laser Fault Injection on a Secure Memory

Дата: 26.02.2021. Автор: CISO CLUB. Категории: Подкасты и видео по информационной безопасности

With the constant development of electronic devices, their increasing complexity and need for security, cryptography in embedded systems has become a strong requirement to protect data or secure communications. Some devices run on standard low-cost microcontrollers, which are vulnerable to low-budget physical attacks allowing the retrieval of secret materials, such as cryptographic keys. More sophisticated devices use dedicated security circuits able to withstand higher levels of physical attacks.

We present vulnerability research conducted on one of those secure chips: the Microchip ATECC508A, a secure memory widely used in IoT devices, which is able to store small secret data blobs protected by cryptographic authentication.

By Olivier Heriveaux

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