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Is it true that no need se50 if CAAM exists

Question asked by wei zhao on Jun 23, 2020

IMX serial has SNVS and CAAM to encrypt user data, such as IoT credentials. I have two questions.

1. So I do not need an extra encryption chip such as se50, is it right?

2. SNVS will detect RTC,if a tamper event happend, SNVS will remove the key. So if I want to replate the cell battery of RTC, will SNVS remove the key? How SNVS knows it is under attack or in maintain mode?

 

Thank you.  

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