import { Base64 } from "../Base64";
import { Key } from "../Key";
import { Base } from "./Base";
import { Hash } from "./Hash";
export declare class Rsa extends Base {
    private readonly keys;
    private constructor();
    protected signBinary(data: Uint8Array): Promise<Uint8Array>;
    protected verifyBinary(data: Uint8Array, signature: Uint8Array): Promise<boolean>;
    export(type: "private" | "public", format: "jwk"): Promise<JsonWebKey | undefined>;
    export(type: "private" | "public", format: "buffer"): Promise<ArrayBuffer | undefined>;
    export(type: "private" | "public", format?: "pem"): Promise<string | undefined>;
    export(type: "private" | "public", format?: "base64"): Promise<Base64 | undefined>;
    static import(variant: Key.Rsa.Variant, hash: Hash, publicKey: Uint8Array | Base64 | undefined, privateKey?: Uint8Array | Base64): Rsa;
    static generate(variant: Key.Rsa.Variant, hash: Hash, length: 1024 | 2048 | 4096): Rsa;
}