It watches the USB bus for specific data patterns, triggers an event (such as a fault injection or recording a power trace), and can also record USB data. PhyWhisperer-USB targets those last two - it serves as a cycle-accurate triggering and monitoring tool. Three of the biggest threats to these security devices are USB protocol errors (often found with fuzzing), side-channel power analysis, and fault injection. USB is the most common interface for computer peripherals (maybe you’ve heard of it?), which nowadays includes many USB-connected security devices such as Bitcoin Wallets, FIDO2 keys, and encrypted drives. You'll be notified about news and stock updates for this project.
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