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Wallet design
paulmelis edited this page Mar 11, 2018
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The wallet is a database of the 256-bit key -> 256-bit value pairs. The primary wallet is stored inside of the node's database and backup copies are written to a directory "backup".
| Index | Description |
|---|---|
| 0 | Version number |
| 1 | Wallet salt |
| 2 | Encrypted wallet key |
| 3 | Check key |
| 4 | Wallet representative |
| 5 | Wallet seed for deterministic key generation |
| 6 | Current key index for deterministic keys |
pub(i) -> encrypt_aes_ctr (wallet_key, prv(i), salt)
- Wallet Key: A 256 random number that's to encrypt all key entries in the database.
- Salt: A random 256-bit value used generate uniqueness in wallets with identical passwords
- Encrypt_AES_CTR: A function using the AES encryption algorithm in CTR mode
The wallet key is stored in encrypted form. The key used for the encryption is generated by passing the password through the Argon2 key derivation function.
All pairs besides the special pairs are key/value pairs mapping the public key (a.k.a. account number) to the encrypted private key.