Certificate:
    Data:
        Version: 3 (0x02)
        Serial Number: 287454020 (0x11223344)
        Signature Algorithm: ecdsa-with-SHA256
        Issuer: C=CN,CN=OH
        Validity:
            Not Before: Jan 1 00:00:00 2025 GMT
            Not After : Jan 1 00:00:00 2035 GMT
        Subject: C=CN,CN=OH
        Subject Public Key Info:
            Public Key Algorithm: id-ecPublicKey
                Public-Key: (256 bit)
                Pub:
                    04:3b:fc:aa:5a:4a:b2:ef:30:81:f9:df:4e:f0:7f:07
                    5f:d1:1c:0e:06:25:ca:c9:da:11:27:f5:74:47:16:98
                    b2:0c:46:72:dd:56:7b:a2:91:1c:3d:a1:9e:14:5a:d7
                    ae:d4:20:d6:a4:00:1c:71:71:d4:6a:14:c9:1d:3b:80
                    af
                ANS1 OID: prime256v1
        X509V3 extensions:
            BasicConstraints: critical
                CA:TRUE, pathlen:1
            KeyUsage: critical
                Digital Signature, Non Repudiation
            SubjectKeyIdentifier: critical
                11:22:33:44:55:66:77:88
            AuthorityKeyIdentifier: critical
                Keyid: 11:22:33:44:55:66:77:88
            ExtendedKeyUsage: critical
                ServerAuth
            SubjectAltName: critical
                Email:Wllill@163.com, 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:d2:38:2f:ba:60:6c:f8:c2:5f:c1:eb
        66:40:a0:0b:c9:4c:02:56:64:e2:5b:3a:e9:b2:80:cd
        32:a9:e1:9f:e2:02:20:0b:d2:32:7d:15:84:7d:3c:dc
        bb:03:d1:a8:68:f1:04:5a:57:fd:f0:88:db:c5:2d:b9
        a4:7e:e2:b4:89:c1:f7