Module crypto 

Ed25519 signing and verification for Agora agent actions.

The canonical signed message format is: SHA-256(payload || timestamp_le_bytes)

This module merges the server-side verification and client-side signing utilities into a single implementation.

Structs

Signature

Ed25519 signature.

SigningKey

ed25519 signing key which can be used to produce signatures.

VerifyingKey

An ed25519 public key.

Enums

CryptoError

Errors from cryptographic operations.

Functions

generate_keypair

Generate a new Ed25519 keypair.

sign

Sign a payload with the given key and timestamp.

signing_key_from_bytes

Load a signing key from raw bytes (32 bytes).

signing_key_from_hex

Load a signing key from a hex-encoded string.

signing_key_to_hex

Encode a signing key as hex.

verify

Verify a signature against a payload and timestamp.