https://community.nxp.com/t5/Secure-Authentication/Is-it-true-that-no-need-se50-if-CAAM-exists/m-p/1083386#M313 <HTML><HEAD></HEAD><BODY><P>IMX serial has SNVS and CAAM to encrypt user data, such as IoT credentials. I have two questions.</P><P>1. So I do not need an extra encryption chip such as se50, is it right?</P><P>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?</P><P></P><P>Thank you.&nbsp;&nbsp;</P></BODY></HTML> Tue, 23 Jun 2020 11:30:00 GMT brucezhao 2020-06-23T11:30:00Z https://community.nxp.com/t5/Secure-Authentication/Is-it-true-that-no-need-se50-if-CAAM-exists/m-p/1083386#M313 <HTML><HEAD></HEAD><BODY><P>IMX serial has SNVS and CAAM to encrypt user data, such as IoT credentials. I have two questions.</P><P>1. So I do not need an extra encryption chip such as se50, is it right?</P><P>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?</P><P></P><P>Thank you.&nbsp;&nbsp;</P></BODY></HTML> Tue, 23 Jun 2020 11:30:00 GMT https://community.nxp.com/t5/Secure-Authentication/Is-it-true-that-no-need-se50-if-CAAM-exists/m-p/1083386#M313 brucezhao 2020-06-23T11:30:00Z