/// <reference types="node" />
export declare class ChannelKeys {
    /**
     * Derives a public key that can be used for local or remote
     * pubkey, htlc_pubkey, or delayed_pubkey
     *
     * Derived via:
     *  pubkey = basepoint + SHA256(per_commitment_point || basepoint) * G
     *
     * @param perCommitmentPoint 33-byte buffer
     * @param basePoint 33-byte base point
     * @returns 33-byte buffer
     */
    static derivePubKey(perCommitmentPoint: Buffer, basePoint: Buffer): Buffer;
    /**
     * Derives the private keys based on local basepoint secrets and can
     * be used to derive per-commitment
     * - payment_scret
     * - delayedpayment_secret
     * - htlc_secret
     *
     * Derived via:
     *  privkey = basepoint_secret + SHA256(per_commitment_point || basepoint)
     *
     * @param perCommitmentPoint 32-byte buffer
     * @param basePointSecret 32-byte buffer
     * @return 32-byte buffer
     */
    static derivePrivKey(perCommitmentPoint: Buffer, basePointSecret: Buffer): Buffer;
    /**
     * Derives the revocationpubkey blinded key for either local or
     * remote revocation pubkey generation.
     *
     * Derived via:
     *  revocationpubkey = revocation_basepoint * SHA256(revocation_basepoint || per_commitment_point) +
     *                     per_commitment_point * SHA256(per_commitment_point || revocation_basepoint)
     *
     * @param perCommitmentPoint 33-byte buffer
     * @param basePoint 33-byte buffer
     * @returns 33-byte buffer
     */
    static deriveRevocationPubKey(perCommitmentPoint: Buffer, basePoint: Buffer): Buffer;
    /**
     * Derives the revocationprivkey which is used by the local node
     * and with a per_commitment_secret that was revealed by the
     * counterparty.
     *
     * Derived via:
     * revocationprivkey = revocation_basepoint_secret * SHA256(revocation_basepoint || per_commitment_point) +
     *                     per_commitment_secret * SHA256(per_commitment_point || revocation_basepoint)
     * @param perCommitmentPointSecret 32-byte buffer
     * @param basePointSecret 32-byte buffer
     */
    static deriveRevocationPrivKey(perCommitmentPointSecret: Buffer, basePointSecret: Buffer): Buffer;
}