export declare const SIGNATURE_LENGTH = 65;
export declare function randomPrivateKey(): Uint8Array;
export declare function sign(msg: Uint8Array | string, privKey: Uint8Array): Promise<Uint8Array>;
export declare function signHash(hash: Uint8Array, privKey: Uint8Array): Promise<Uint8Array>;
export declare function recoverPublicKey(hash: Uint8Array | string, sig: Uint8Array): Uint8Array;
export declare function getPublicKey(privKey: Uint8Array): Uint8Array;
export declare function verify(sig: Uint8Array, hash: Uint8Array | string, publicKey: Uint8Array): boolean;
export declare function publicKeyBytesToAddress(publicKey: Uint8Array): Uint8Array;
export declare function publicKeyToEthAddress(key: Uint8Array): Uint8Array;
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