[4] RFC 5280 - Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile () https://tools.ietf.org/html/rfc5280#section-4.1
[1]RFC 5280 - Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile ( 版) https://tools.ietf.org/html/rfc5280#section-4.1.2.7
[2] RFC 7468 - Textual Encodings of PKIX, PKCS, and CMS Structures ( 版) https://tools.ietf.org/html/rfc7468#section-13
値
[6] 一般的なアルゴリズム識別子
1.2.840.113549.1.1.5 (RSA)
1.2.840.10045.2.1 (EC)
[8]1.2.840.10045.2.1 (EC) の時よく指定される parameters の OID