import { ec } from "elliptic";
import { Participant, ParticipantKey } from "@xilution/todd-coin-types";
export declare const generateParticipantKey: (effectiveToInDays?: number) => ParticipantKey;
export declare const getKeyPairFromPrivateKey: (privateKey: string) => ec.KeyPair;
export declare const getKeyPairFromPublicKey: (publicKey: string) => ec.KeyPair;
export declare const getEffectiveParticipantKey: (participant: Participant, privateKey: string) => ParticipantKey | undefined;
export declare const isSignatureValid: (participantKey: ParticipantKey, hashHex: string, signature: string) => boolean;
export declare const getSignature: (hashHex: string, privateKey: string) => string;
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