jose.py 文件源码

def jwk_to_pubkey(jwk):
    if jwk['kty'] == 'oct':
        return jwk_to_bytes(jwk['k'])
    elif jwk['kty'] == 'EC':
        numbers = ec.EllipticCurvePublicNumbers(jwk_to_uint(jwk['x']),
                                                jwk_to_uint(jwk['y']),
                                                jwk_to_curve(jwk['crv']))
        return numbers.public_key(backend)
    elif jwk['kty'] == 'RSA':
        numbers = rsa.RSAPublicNumbers(jwk_to_uint(jwk['e']),
                                       jwk_to_uint(jwk['n']))
        return numbers.public_key(backend)