Using the internal ledger private key as origin keys

[ghost]

We should try to use the usage of internal private key used by Ledger to attest the device .

So the origin signature and by extension the public key will be certified to ensure some level of confidence and security.

References

• https://github.com/LedgerHQ/blue-loader-python/blob/master/ledgerblue/checkGenuine.py
• https://www.ledger.com/a-closer-look-into-ledger-security-the-root-of-trust

Actions to Complete

• [X] Make a new APDU Path for the function
• [X] Parse the Transaction Hash from APDU
• [X] UI Flow for User Permission
• [X] Perform Signature with origin private key
• [X] Add tests
• [X] Test Changes with H/W Device
• [X] Sanitize Code and Debug Flags

Additional Steps

• [X] Write Elixir code to form the Encoded transaction

[internet-zero]

Hey team! Please add your planning poker estimate with ZenHub @apoorv-2204 @blackode @imnik11 @Neylix @prix-uniris @samuel-uniris

[prix-uniris]

Update: Get a Transaction Hash Signature from the origin private key, send the transaction hash in the APDU and in response send the asn_signature back to the user agent.