Digi Embedded Yocto version

Secure JTAG

Most embedded devices provide a JTAG interface for debugging purposes. However, if left unprotected, this interface can become an important attack vector on the system. The i.MX6 series System JTAG Controller (SJC) allows you to regulate JTAG access with three security modes using OTP (One Time Programmable) eFuses: 

The response key must be programmed in the target and configured in the debug tool.


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Secure JTAG updated on 07 September 2017 01:14:14 PM