Lee DunatoTechnology@lemmy.worldEnglish·8 months agoBitLocker encryption broken in less than 43 seconds with sub-$10 Raspberry Pi Pico — key can be sniffed when using an external TPM(www.tomshardware.com)external-linkarrow-up1756arrow-down118message-square71fedilink
arrow-up1738arrow-down1external-linkBitLocker encryption broken in less than 43 seconds with sub-$10 Raspberry Pi Pico — key can be sniffed when using an external TPM(www.tomshardware.com)Lee DunatoTechnology@lemmy.worldEnglish·8 months agomessage-square71fedilink
minus-squarephoenixzEnglisharrow-up15arrow-down0·8 months agolinkfedilink CPU communicates with TPM in plaintext Because of course
minus-squareEufalconimorphEnglisharrow-up7arrow-down0·8 months agolinkfedilinkCPU doesn’t have any secure storage, so it can’t encrypt or authenticate comms to the TPM. The on-CPU fTPMs are the solution, the CPU then has the secure storage.
minus-squarebaseless_discourseEnglisharrow-up2arrow-down0·8 months agolinkfedilinkThat make sense, CPU has no place to store private keys, since that is the functionality of TPM… Unless there is a firmware solution, which defeats the purpose of a standalone tpm.
minus-squarebaseless_discourseEnglisharrow-up1arrow-down0·8 months agoedit-28 months agolinkfedilinkdeleted by creator
Because of course
CPU doesn’t have any secure storage, so it can’t encrypt or authenticate comms to the TPM. The on-CPU fTPMs are the solution, the CPU then has the secure storage.
That make sense, CPU has no place to store private keys, since that is the functionality of TPM…
Unless there is a firmware solution, which defeats the purpose of a standalone tpm.
deleted by creator