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> Why lie to the public? I don't, and TBH I don't find your writing style (of which this is an example) very engaging. Cr50 is a replacement for the old TPM.
by pgeorgi 8y ago
> Why lie to the public?
I don't, and TBH I don't find your writing style (of which this is an example) very engaging.
Cr50 is a replacement for the old TPM. It has approximately the same constraints as the Infineon TPM used in the past: firmware updateable, but not for you.
[edit to add: would a mechanism to disable the update mechanisms, at the price of "no warranty" since RMA becomes impossible be acceptable to you? Or would you suspect that there's another update mechanism anyway?]
> Pulling the battery does enable rewrite
Pulling the battery is non-trivial on a device like Pixel C, hence a new mechanism.
- asciilifeform 8y agoMy current alternative appears to be to desolder the Cr50 and fabricate harmless replacements (to e.g. init 3.3v rail). So naturally voids warranties. > firmware updateable, but not for you Finally, honesty. It's a Tivo.
- pgeorgi 8y ago> firmware updateable, but not for you Like the Infineon before it.
- asciilifeform 8y agoThe Infineon couldn't force a boot ROM update via USB-C.