Certificate:
    Data:
        Version: 3 (0x02)
        Serial Number: 287454020 (0x11223344)
        Signature Algorithm: ecdsa-with-SHA256
        Issuer: C=CN,Unknown=RO
        Validity:
            Not Before: Jan 1 00:00:00 2025 GMT
            Not After : Jan 1 00:00:00 2035 GMT
        Subject: C=CN,CN=MI
        Subject Public Key Info:
            Public Key Algorithm: id-ecPublicKey
                Public-Key: (256 bit)
                Pub:
                    04:50:3a:19:31:79:9d:7c:27:33:f8:55:3a:2d:3e:07
                    95:56:4a:1a:03:bc:71:0c:e0:95:d7:79:19:de:0e:3c
                    c3:e1:cc:22:67:83:04:08:8e:a4:55:0c:94:98:51:40
                    60:af:a6:9d:3b:02:f0:c2:0e:7b:e2:b4:3e:ed:d1:82
                    ce
                ANS1 OID: prime256v1
        X509V3 extensions:
            BasicConstraints: critical
                CA:TRUE
            KeyUsage: critical
                Digital Signature, Non Repudiation, Certificate Sign
            SubjectKeyIdentifier:
                11:22:33:44:55:66:77:88
            AuthorityKeyIdentifier:
                Keyid: 11:22:33:44:55:66:77:88
            SubjectAltName:
                Email:test, DNS:test, URI:test, DirName:C=CN,CN=OH, IP Address:116.101.115.116
    Signature Algorithm: ecdsa-with-SHA256
    Signature Value:
        30:45:02:21:00:e8:59:59:b3:a9:b7:5b:9d:d5:73:cd
        ca:e3:fa:26:7c:2f:f4:b1:cc:55:d9:65:fe:89:a2:b7
        b1:f5:ae:0a:e7:02:20:04:44:f3:82:0d:47:f2:3a:6d
        11:f4:d9:ff:26:14:b9:c8:c9:5e:d0:80:fc:78:a5:80
        85:6e:a2:41:17:58:11