Module solana_libra_crypto::bls12381

This module implements the Verifying/Signing API for signatures on the BLS12-381 curve.

Example

use solana_libra_crypto::hash::{CryptoHasher, TestOnlyHasher};
use solana_libra_crypto::{
    bls12381::*,
    traits::{Signature, SigningKey, Uniform},
};
use rand::{rngs::StdRng, SeedableRng};

let mut hasher = TestOnlyHasher::default();
hasher.write("Test message".as_bytes());
let hashed_message = hasher.finish();

let mut rng: StdRng = SeedableRng::from_seed([0; 32]);
let private_key = BLS12381PrivateKey::generate_for_testing(&mut rng);
let public_key: BLS12381PublicKey = (&private_key).into();
let signature = private_key.sign_message(&hashed_message);
assert!(signature.verify(&hashed_message, &public_key).is_ok());

Note: The above example generates a private key using a private function intended only for testing purposes. Production code should generate the key according to the spec draft-irtf-cfrg-bls-signature-00.

This module is not currently used, but could be included in the future for improved performance in consensus.

Structs

BLS12381PrivateKey	A BLS12-381 private key.
BLS12381PublicKey	A BLS12-381 public key.
BLS12381Signature	A BLS12-381 signature.

Constants

BLS12381_PRIVATE_KEY_LENGTH	The length of the BLS12381PrivateKey.
BLS12381_PUBLIC_KEY_LENGTH	The length of the BLS12381PublicKey.
BLS12381_SIGNATURE_LENGTH	The length of the BLS12381Signature.