tbs["validity"] = validity
spki = SubjectPublicKeyInfo()
- spki_algo_id = sign_algo_id.copy()
+ spki_algo_id = copy(sign_algo_id)
spki_algo_id["algorithm"] = ObjectIdentifier("1.2.840.113549.1.1.1")
spki["algorithm"] = spki_algo_id
spki["subjectPublicKey"] = BitString(hexdec("".join((