For many years now, the brazilian government allowed both citizens and companies to acquire crypto usb keys tied to their identities that can digitally sign leg

For many years now, the brazilian government allowed both citizens and companies to acquire crypto usb keys tied to their identities that can digitally sign legally binding documents. This is one of the commonly used devices, which has a NXP P5CC081 chip: https://www.usmartcards.com/downloads/dl/file/id/156/product/365/starsign_crypto_usb_token.pdf https://www.usmartcards.com/downloads/dl/file/id/156/product... I wonder if similar attacks could be applied to these keys, and what would be the implications.