Is it true that no need se50 if CAAM exists

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Is it true that no need se50 if CAAM exists

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brucezhao
Contributor I

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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