Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number: 3 (0x3)
        Signature Algorithm: ecdsa-with-SHA256
        Issuer: 
        Validity
            Not Before: Sep  2 00:00:00 2023 GMT
            Not After : Nov 30 00:00:00 9998 GMT
        Subject: C = US, organizationIdentifier = LEIXG-123456
        Subject Public Key Info:
            Public Key Algorithm: id-ecPublicKey
                Public-Key: (256 bit)
                pub:
                    04:6e:c8:fe:a0:70:20:62:13:49:a8:18:bb:81:fa:
                    0c:ea:8d:38:f5:23:4c:d2:89:55:d1:ee:61:2c:33:
                    61:a7:dc:4a:c4:81:93:6e:b7:4c:2a:32:2b:5b:28:
                    0d:94:29:8f:0e:d4:31:0d:fe:a0:65:03:30:6d:aa:
                    74:de:ff:f3:27
                ASN1 OID: prime256v1
                NIST CURVE: P-256
        X509v3 extensions:
            X509v3 Extended Key Usage: 
                E-mail Protection
            X509v3 Certificate Policies: 
                Policy: 2.23.140.1.5.1.2

    Signature Algorithm: ecdsa-with-SHA256
         30:44:02:20:53:c9:60:bb:f5:3e:25:2e:c5:ea:35:7f:71:37:
         c5:8c:8d:f8:fa:c3:1b:cb:ce:af:1a:36:80:64:44:09:8c:ce:
         02:20:69:e5:fe:fc:ad:fc:4c:3f:ae:10:ab:22:0b:ae:09:5c:
         f4:cc:25:18:b3:fa:45:ba:04:41:6f:95:c6:5e:e0:fb
-----BEGIN CERTIFICATE-----
MIIBQDCB6KADAgECAgEDMAoGCCqGSM49BAMCMAAwIBcNMjMwOTAyMDAwMDAwWhgP
OTk5ODExMzAwMDAwMDBaMCQxCzAJBgNVBAYTAlVTMRUwEwYDVQRhEwxMRUlYRy0x
MjM0NTYwWTATBgcqhkjOPQIBBggqhkjOPQMBBwNCAARuyP6gcCBiE0moGLuB+gzq
jTj1I0zSiVXR7mEsM2Gn3ErEgZNut0wqMitbKA2UKY8O1DEN/qBlAzBtqnTe//Mn
oy0wKzATBgNVHSUEDDAKBggrBgEFBQcDBDAUBgNVHSAEDTALMAkGB2eBDAEFAQIw
CgYIKoZIzj0EAwIDRwAwRAIgU8lgu/U+JS7F6jV/cTfFjI34+sMby86vGjaAZEQJ
jM4CIGnl/vyt/Ew/rhCrIguuCVz0zCUYs/pFugRBb5XGXuD7
-----END CERTIFICATE-----