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Microsoft BitLocker encryption cracked in just 43 seconds with a $4 Raspberry Pi Pico | BitLocker is available in Windows 11 Pro, Enterprise, and Education editions
In a YouTube video, security researcher Stacksmashing demonstrated that hackers can extract the BitLocker encryption key from Windows PCs in just 43 seconds using a $4 Raspberry...
However, as it turns out, the communication lanes (LPC bus) between the CPU and external TPM remain unencrypted on boot-up, allowing threat actors to sniff any traffic between the two modules and extract the encryption keys. To carry out his proof-of-concept attack, Stacksmashing used a ten-year-old laptop with BitLocker encryption and then programmed the Raspberry Pi Pico to read the raw binary codes from the TPM to gain access to the Volume Master Key. Last year, cybersecurity researcher Guillaume Quéré demonstrated how the BitLocker full volume encryption system can allow users to eavesdrop on any traffic between the discrete TPM chip and CPU via an SPI bus.
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