Offline signing setup

[starius]

Discord user ID

No response

Describe your question in detail.

I want to use the air-gap approach to secure the funds stored in Aptos blockchain. How can this be done? I'm ok with using aptos SDK a bit or curl full node API directly if this is necessary.

I want commands / scripts to:

• (air-gap machine) generate key pair (aptos key generate)
• (air-gap machine) derive address from the public key (echo -n $public_key | xxd -r -p | sha3sum -a 256)
• (online machine) check APT and tokens balance on address
• (online machine) prepare unsigned transaction sending APT or tokens to another address
• (air-gap machine) sign a transaction
• (online machine) broadcast a signed transaction

My preference of tooling:
aptos CLI > Python SDK > shell (curl, etc)

What error, if any, are you getting?

No response

What have you tried or looked at? Or how can we reproduce the error?

No response

Which operating system are you using?

Linux (Ubuntu, Fedora, Windows WSL, etc.)

Which SDK or tool are you using? (if any)

Aptos CLI

Describe your environment or tooling in detail

No response