Read the original article: Copying a Key by Listening to It in Action
Researchers are using recordings of keys being used in locks to create copies. Once they have a key-insertion audio file, SpiKey’s inference software gets to work filtering the signal to reveal the strong, metallic clicks as key ridges hit the lock’s pins [and you can hear those filtered clicks online here]. These clicks are vital to the inference analysis: the…
Read the original article: Copying a Key by Listening to It in Action