agent-identity 0.1.0

Agent identity, key management, and trust verification
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# agent-identity-rs

Rust port of [agent-identity](https://github.com/SuperInstance/agent-identity) — agent identity management and trust verification.

## Features

- **Agent identity**: public key, roles, expiry, metadata
- **Trust store**: register, verify, revoke agents
- **Auth tokens**: challenge-response authentication
- **Key fingerprints**: hex fingerprint from public key bytes

## Usage

```rust
use agent_identity::{AgentIdentity, TrustStore, VerificationResult};

// Create an identity
let agent = AgentIdentity::new("agent-1", vec![0xab, 0xcd, 0xef, 0x01, 0x23, 0x45, 0x67, 0x89])
    .with_role("admin")
    .with_role("read");

println!("Fingerprint: {}", agent.fingerprint());
assert!(agent.has_role("admin"));

// Trust store
let mut store = TrustStore::new();
store.register(agent);
assert_eq!(store.verify("agent-1", 0), VerificationResult::Trusted);

// Revoke
store.revoke("agent-1");
assert_eq!(store.verify("agent-1", 0), VerificationResult::Revoked);
```

## License

MIT