package rp import ( "gopkg.in/square/go-jose.v2" ) func CheckKey(keyID string, keys []jose.JSONWebKey, jws *jose.JSONWebSignature) ([]byte, error, bool) { for _, key := range keys { if keyID == "" || key.KeyID == keyID { payload, err := jws.Verify(&key) return payload, err, true } } return nil, nil, false }