Labels:text | font | publication | paper | black and white | screenshot | document OCR: state has reached them. Although many manufac- signals. By averaging the current measurements of turers claim to implement high-frequency detectors in their clock-signal processing logic, these circuits many repeated identical transactions, we can even identify smaller signals that are not transmitted over are often only simple-minded filters that do not de- the bus. Signals such as carry bit states are of special tect single too short half-cycles. They can be cir- interest, because many cryptographic key scheduling cumvented by carefully selecting the duty cycles of algorithms use shift operations that single out indi- the clock signal during the glitch. In sotne designs, a clock-frequency sensor that is vidual key bits in the carry flag. Even if the status- bit changes cannot be measured ...
