JWK
constructor(kty: String, alg: String? = null, kid: String? = null, use: String? = null, n: String? = null, e: String? = null, d: String? = null, p: String? = null, q: String? = null, dp: String? = null, dq: String? = null, qi: String? = null, crv: String? = null, x: String? = null, y: String? = null, k: String? = null)(source)