import { Checksum256Type, Signature } from '@greymass/eosio';
import { ec } from 'elliptic';
/**
 * Get curve for key type.
 * @internal
 */
export declare function getCurve(type: string): ec;
/**
 * Recover public key from signature and recovery id.
 * @internal
 */
export declare function recoverUncompressed(signature: Uint8Array, message: Uint8Array, type: string): Uint8Array;
export declare function recoverUncompressedDigest(signature: Signature, digest: Checksum256Type): Uint8Array;