Implements JWK,JWS,JWE specifications using python-cryptography
copied from cf-staging / jwcryptoAn implementation of the JOSE Working Group documents: RFC 7515 - JSON Web Signature (JWS) RFC 7516 - JSON Web Encryption (JWE) RFC 7517 - JSON Web Key (JWK) RFC 7518 - JSON Web Algorithms (JWA) RFC 7519 - JSON Web Token (JWT) RFC 7520 - Examples of Protecting Content Using JSON Object Signing and Encryption (JOSE)