Imports github.com/pkg/errors github.com/lestrrat-go/jwx/jwa github.com/lestrrat-go/jwx/internal/base64 github.com/lestrrat-go/jwx/internal/option Standard library imports bytes crypto/x509 encoding/base64 encoding/json errors fmt io io/ioutil math/big net/http crypto/elliptic crypto/rsa crypto crypto/ecdsa net/url os strings