Trait avalanche_types::key::secp256k1::SignOnly

pub trait SignOnly {
    type Error: Error;

    fn signing_key(&self) -> Result<SigningKey>;
    fn sign_digest<'life0, 'life1, 'async_trait>(
        &'life0 self,
        digest: &'life1 [u8]
    ) -> Pin<Box<dyn Future<Output = Result<[u8; 65], Self::Error>> + Send + 'async_trait>>
    where
        Self: 'async_trait,
        'life0: 'async_trait,
        'life1: 'async_trait;
}

Key interface that “only” allows “sign” operations. Trait is used here to limit access to the underlying private/secret key. or to enable secure remote key management service integration (e.g., KMS ECC_SECG_P256K1).

Required Associated Types

type Error: Error

Required Methods

fn signing_key(&self) -> Result<SigningKey>

fn sign_digest<'life0, 'life1, 'async_trait>(
    &'life0 self,
    digest: &'life1 [u8]
) -> Pin<Box<dyn Future<Output = Result<[u8; 65], Self::Error>> + Send + 'async_trait>>where
    Self: 'async_trait,
    'life0: 'async_trait,
    'life1: 'async_trait,

Signs the 32-byte SHA256 output message with the ECDSA private key and the recoverable code. “github.com/decred/dcrd/dcrec/secp256k1/v3/ecdsa.SignCompact” outputs 65-byte signature. ref. “avalanchego/utils/crypto.PrivateKeySECP256K1R.SignHash” ref. https://github.com/rust-bitcoin/rust-secp256k1/blob/master/src/ecdsa/recovery.rs ref. https://docs.rs/secp256k1/latest/secp256k1/struct.SecretKey.html#method.sign_ecdsa ref. https://docs.rs/secp256k1/latest/secp256k1/struct.Message.html ref. https://pkg.go.dev/github.com/ava-labs/avalanchego/utils/crypto#PrivateKeyED25519.SignHash

Implementors

impl SignOnly for Key

type Error = Error