Lee Duna@lemmy.nz to Technology@lemmy.worldEnglish · 2 年前BitLocker encryption broken in less than 43 seconds with sub-$10 Raspberry Pi Pico — key can be sniffed when using an external TPMwww.tomshardware.comexternal-linkmessage-square69linkfedilinkarrow-up1757arrow-down118
arrow-up1739arrow-down1external-linkBitLocker encryption broken in less than 43 seconds with sub-$10 Raspberry Pi Pico — key can be sniffed when using an external TPMwww.tomshardware.comLee Duna@lemmy.nz to Technology@lemmy.worldEnglish · 2 年前message-square69linkfedilink
minus-squarePhoenixz@lemmy.calinkfedilinkEnglisharrow-up15·2 年前 CPU communicates with TPM in plaintext Because of course
minus-squareEufalconimorph@discuss.tchncs.delinkfedilinkEnglisharrow-up7·2 年前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.
minus-squarebaseless_discourse@mander.xyzlinkfedilinkEnglisharrow-up2·2 年前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.
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.
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