Function authChallenge

packages/consortium-cli/src/api/encryption.ts:165–179

(secret: Uint8Array)

 * Generate authentication challenge response
 */
export function authChallenge(secret: Uint8Array): {
  challenge: Uint8Array
  publicKey: Uint8Array
  signature: Uint8Array
} {
  const keypair = tweetnacl.sign.keyPair.fromSeed(secret);
  const challenge = getRandomBytes(32);
  const signature = tweetnacl.sign.detached(challenge, keypair.secretKey);

  return {
    challenge,
    publicKey: keypair.publicKey,
    signature
  };
}