/// <reference types="node" />
declare type coseMap = Map<number, any>;
declare type jwk = {
    kty?: string;
    use?: string;
    key_ops?: string[];
    alg?: string;
    kid?: string;
    x5u?: string;
    x5c?: string[];
    x5t?: string;
    'x5t#S256'?: string;
    crv?: string;
    x?: string;
    y?: string;
    d?: string;
    n?: string;
    e?: string;
    p?: string;
    q?: string;
    dp?: string;
    dq?: string;
    qi?: string;
    oth?: {
        r?: string;
        d?: string;
        t?: string;
    }[];
    k?: string;
    ext?: boolean;
    [key: string]: unknown;
};
declare type pem = string;
declare type pemType = 'PUBLIC KEY' | 'PRIVATE KEY';
/**
 * Parse between JSON Web Key (JWK), CBOR Object Signing and Encryption (COSE) and PEM.
 */
declare class KeyParser {
    static readonly BUFFER_TYPE_COSE_KEY_PARAMETER_NAME: string[];
    private constructor();
    private static findCoseKeyAllParameterFromLabel;
    private static findCoseKeyParameterValueFromLabel;
    private static findJSONWebKeyParameterFromName;
    private static findJSONWebKeyParameterValueFromValue;
    private static convertCoseJoseValue;
    private static convertJoseCoseKey;
    private static convertJoseCoseValue;
    /**
     * Parse COSE key to JWK format.
     *
     * @param coseMap COSE key
     * @returns JWK
     */
    static cose2jwk(coseMap: coseMap): jwk;
    /**
     * Parse JWK to COSE key.
     *
     * @param jwk JWK
     * @returns COSE key
     */
    static jwk2cose(jwk: jwk): coseMap;
    /**
     * Parse JWK to PEM.
     *
     * @param jwk JWK
     * @returns PEM
     */
    static jwk2pem(jwk: jwk): Promise<pem>;
    /**
     * Parse PEM to JWK.
     *
     * This method's parameter `alg` is specified in JWK's "alg" parameter ({@link https://www.iana.org/assignments/jose/jose.xhtml#web-signature-encryption-algorithms | here} is registry).
     *
     * @param pem PEM
     * @param alg JWK's "alg" parameter
     * @returns JWK
     */
    static pem2jwk(pem: pem, alg?: string): Promise<jwk>;
    /**
     * Parse COSE key to PEM.
     *
     * @param coseMap COSE key
     * @returns PEM
     */
    static cose2pem(coseMap: coseMap): Promise<pem>;
    /**
     * Parse PEM to COSE key.
     *
     * This method's parameter `alg` is specified in JWK's "alg" parameter ({@link https://www.iana.org/assignments/jose/jose.xhtml#web-signature-encryption-algorithms | here} is registry).
     *
     * @param pem PEM
     * @param alg Key algorithm, specified with JWK's "alg" parameter
     * @returns COSE key
     */
    static pem2cose(pem: string, alg?: string): Promise<coseMap>;
    /**
     * Parse attestation object in webauthn to JWK.
     *
     * @param attObj Attestation object
     * @returns JWK
     */
    static attestationObject2jwk(attObj: Buffer): jwk;
    /**
     * Parse DER format key to PEM format.
     *
     * @param type Key type
     * @param der DER format key
     * @returns PEM format key
     */
    static der2pem(type: pemType, der: Buffer): string;
    /**
     * Parse PEM format key to DER format.
     *
     * @param pem PEM format key
     * @returns DER format key
     */
    static pem2der(pem: pem): Buffer;
}
export default KeyParser;