JTAGulator: Assisted discovery of on-chip ... - Grand Idea Studio
JTAGulator: Assisted discovery of on-chip ... - Grand Idea Studio
JTAGulator: Assisted discovery of on-chip ... - Grand Idea Studio
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JTAG: Protecti<strong>on</strong>• Implementati<strong>on</strong> specific• Security fuse physically blown prior to release- Could be repaired w/ silic<strong>on</strong> die attack• Password required to enable functi<strong>on</strong>ality- Ex.: Flash erased after n attempts (so perform n-1),then reset and c<strong>on</strong>tinue• May allow BYPASS, but prevent higher levelfuncti<strong>on</strong>ality- Ex.: TI MSP430