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Using the new Ethereum GPG subscription feature with your Trezor: a step by step guide
From my last update in April 2023, Trezor’s hardware portfolios now support the generation and verification of digital subscriptions using an Electronic Code Subscription system (ECS). This feature is based on Ethereum’s open source code base and uses a GPG -based approach to ensure safe transactions and communications.
What is GPG and ECS?
GPG means Global Privacy GNU, a free and open source method of encrypting data using public key encryption. ECS (Electronic Code Subscriptions) allows individuals or organizations to sign messages, documents and even entire data blocks in a way that ensures their authenticity and integrity.
How does Ethereum implement ECS with Trezor?
The ECS ECS system is built on the OPENSC project, which is an open source implementation of the X.509 digital certificate standard used for digital signatures. The Trezor Wallet uses a combination of public key encryption (RSA) and GPG encryption to generate and check these signatures.
Using your Trezor Wallet
See how you can use your Trezor wallet to sign and check the ECS messages:
- Access the Trezor Web Interface
: Open the web interface on your Trezor hardware wallet by clicking “Settings”> “Web Wallet”.
- Create or import a pair of public keys : If you do not have a pair of existing public key, create one using Trezor’s embedded keys. You can also import an existing private and public pair.
- Subscribe to messages using GPG
: To sign a message with your Trezor wallet, go to “Settings”> “Tools”> “Generate the keys pair”. Then use the public key (used to sign) and a private key (used for verification) to generate an ECS signature.
How to check your signed messages
To verify the authenticity of signed messages:
- Open the web interface : Go to the web interface of your Trezor wallet.
- Display the signed message : See the signed message using your Trezor Wallet. It must display a digital signature of an ECS system.
- Compare with the signature verified : In the Trezor Web Interface, go to “Settings”> “Tools”> “Check the Subscription”. You will see if the verified signature corresponds to what you generated.
Tips and Precautions
– Always keep your private key safe to prevent unauthorized access to your Ethereum balance or any other confidential data.
– GPG encryption is considered highly secure to sign and check digital signatures.
– Make sure your Trezor wallet is updated with the latest firmware to ensure compatibility with the new ECS feature.
From my last update, there are no tutorials provided by Satoshi Labs directly on its official website. The Step by Step by Step Guide should serve as a clear introduction to the use of Ethereum’s GPG Based ECS system with its Trezor hardware wallet. Always consult the official documentation and the support features to get questions or additional problems you can find.