https://github.com/tomusdrw/ethsign
A library to read JSON keyfiles and sign Ethereum stuff.
https://github.com/tomusdrw/ethsign
Last synced: over 1 year ago
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A library to read JSON keyfiles and sign Ethereum stuff.
- Host: GitHub
- URL: https://github.com/tomusdrw/ethsign
- Owner: tomusdrw
- License: gpl-3.0
- Created: 2019-02-13T14:26:01.000Z (over 7 years ago)
- Default Branch: master
- Last Pushed: 2024-04-03T15:50:36.000Z (over 2 years ago)
- Last Synced: 2025-04-03T00:05:51.715Z (over 1 year ago)
- Language: Rust
- Size: 97.7 KB
- Stars: 39
- Watchers: 5
- Forks: 22
- Open Issues: 9
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
# ethsign
A library to read JSON keyfiles and sign Ethereum stuff.
## Usage:
```rust
use ethsign::{Protected, KeyFile};
fn main() {
let file = std::fs::File::open("./res/wallet.json").unwrap();
let key: KeyFile = serde_json::from_reader(file).unwrap();
let password: Protected = "".into();
let secret = key.to_secret_key(&password).unwrap();
let message = [1_u8; 32];
// Sign the message
let signature = secret.sign(&message).unwrap();
println!("{:?}", signature);
// Recover the signer
let public = signature.recover(&message).unwrap();
println!("{:?}", public);
// Verify the signature
let res = public.verify(&signature, &message).unwrap();
println!("{}", if res { "signature correct" } else { "invalid signature" });
}
```
A higher-level lib [`ethkey`](https://crates.io/crates/ethkey) facilitates managing key files and exposes `ethsign`:
```toml
[dependencies]
ethkey = "0.3"
```
```rust
use ethkey::prelude::*;
fn main() {
let key = EthAccount::load_or_generate("/tmp/path/to/keystore", "passwd")
.expect("should load or generate new eth key");
println!("{:?}", key.address());
let message = [7_u8; 32];
// sign the message
let signature = key.sign(&message).unwrap();
// verify the signature
let result = key.verify(&signature, &message).unwrap();
println!("{}", if result {"verification ok"} else {"wrong signature"});
}