There are some tools that allow writing a private key to the inbuilt One-Time Programmable memory of the Raspberry Pi. Is there a way to break or disable the OTP memory in order to rule out the (even remote) possibility of a private key being written there when using a SeedSigner?
SeedSigner (npub17ty…3mgl)
More info below...
OTP memory:
https://github.com/raspberrypi/documentation/blob/develop/documentation/asciidoc/computers/raspberry-pi/otp-bits.adoc
rpi-otp-private-key tool:
https://github.com/raspberrypi/usbboot/tree/master
rpi-derive-key tool:
https://lib.rs/crates/rpi-derive-key
Nosthor
npub14s…kwwjt
2023-06-10 21:24:38
in reply to nevent1q…knjt
Author Public Key
npub14stash4guqdz0ftnqj5f8thuxv2m220mcxukf67vduc6lah5gjssykwwjtPublished at
2023-06-10 21:24:38Event JSON
{
"id": "482b0e75e753d9cc79372ca377ec682d301b6c538f09ec34a2fb1c414abf951a",
"pubkey": "ac17d85ea8e01a27a57304a893aefc3315b529fbc1b964ebcc6f31aff6f444a1",
"created_at": 1686432278,
"kind": 1,
"tags": [
[
"e",
"05f69bb0177bceb2ecccdd916c625b092f5bbe81ea42fdf247bc2e7017880940"
],
[
"p",
"f2c96c97f6419a538f84cf3fa72e2194605e1848096e6e5170cce5b76799d400"
]
],
"content": "There are some tools that allow writing a private key to the inbuilt One-Time Programmable memory of the Raspberry Pi. Is there a way to break or disable the OTP memory in order to rule out the (even remote) possibility of a private key being written there when using a SeedSigner?\n\n#[1] \n\nMore info below...\n\nOTP memory:\nhttps://github.com/raspberrypi/documentation/blob/develop/documentation/asciidoc/computers/raspberry-pi/otp-bits.adoc\n\nrpi-otp-private-key tool:\nhttps://github.com/raspberrypi/usbboot/tree/master\n\nrpi-derive-key tool:\nhttps://lib.rs/crates/rpi-derive-key",
"sig": "aa3e94b72bb11cb6e29e2ed3341bb3c76d8f0060646c9f6ed5d2df45c2564566249c179384fae1e6818b55f51bccc8033a10e97f12456d74eb68d12f182c205b"
}