import { HalfCryptoKeyPair } from "encryption/types";
import { JSONValue } from "encoding/json/types";
import { ExportedKey } from "encoding/key";
export interface SignedData {
    data: JSONValue;
    signature: string;
}
export interface AsymmetricDataSignerI {
    sign(jsonableInput: JSONValue): Promise<SignedData>;
    verify(signedObject: SignedData): Promise<JSONValue>;
}
export declare function AsymmetricDataSigner(signingKeyPair: CryptoKeyPair | HalfCryptoKeyPair): AsymmetricDataSignerI;
export declare namespace AsymmetricDataSigner {
    var getDefaultAlgorithm: () => RsaHashedKeyGenParams;
    var generateKeyPair: () => Promise<CryptoKeyPair>;
    var verifyAgainst: (publicKeyObj: ExportedKey, signedObject: SignedData) => Promise<JSONValue>;
}