Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            3a:55:53:0d:c6:ff:3e:ad:1a:90:38:8e:29:65:09:87
        Signature Algorithm: ecdsa-with-SHA256
        Issuer:
            organizationName = GSM Association
            commonName = GSM Association - RSP2 Root CI1
        Validity
            Not Before: Feb  7 00:00:00 2024 GMT
            Not After : Dec 31 23:59:59 2049 GMT
        Subject:
            countryName = CN
            localityName = WuHan
            organizationName = Wuhan Tianyu Information Industry CO.LTD
            commonName = TYSecSIM EUM
        Subject Public Key Info:
            Public Key Algorithm: id-ecPublicKey
                Public-Key: (256 bit)
                pub:
                    04:40:91:8d:3d:2b:24:94:f2:db:4b:14:82:39:b6:
                    dd:61:3c:a2:c9:76:9c:00:49:1d:a9:8d:de:70:5b:
                    37:74:0f:62:29:f1:f6:5c:93:14:ee:d6:ac:7b:46:
                    26:fb:d9:5f:5d:e3:7b:26:43:c9:58:fe:1e:20:03:
                    0c:a3:b6:04:e2
                ASN1 OID: prime256v1
                NIST CURVE: P-256
        X509v3 extensions:
            X509v3 Basic Constraints: critical
                CA:TRUE, pathlen:0
            X509v3 Certificate Policies: critical
                Policy: 2.23.146.1.2.1.2
            X509v3 CRL Distribution Points: 
                Full Name:
                  URI:http://gsma-crl.symauth.com/offlineca/gsma-rsp2-root-ci1.crl
            X509v3 Key Usage: critical
                Certificate Sign, CRL Sign
            X509v3 Name Constraints: critical
                Permitted:
                  DirName:O = Wuhan Tianyu Information Industry CO.LTD, serialNumber = 89086029
            X509v3 Subject Alternative Name: 
                Registered ID:1.3.6.1.4.1.36608.1.1
            X509v3 Subject Key Identifier: 
                E0:A4:F4:E9:B9:8F:13:D1:6D:A9:DA:93:4B:6F:3B:C2:C3:C5:F8:14
            X509v3 Authority Key Identifier: 
                81:37:0F:51:25:D0:B1:D4:08:D4:C3:B2:32:E6:D2:5E:79:5B:EB:FB
    Signature Algorithm: ecdsa-with-SHA256
    Signature Value:
        30:44:02:1f:46:dd:a9:1e:10:c1:69:7a:ad:b0:8e:ed:4f:a6:
        e3:c5:51:0f:b1:8a:94:f1:97:81:d1:11:64:30:70:12:89:02:
        21:00:f4:0f:b6:50:15:4b:68:14:d0:eb:a5:ec:97:40:99:79:
        88:ba:c1:c3:ad:9e:bc:61:86:3a:57:d9:f9:6c:86:b1
-----BEGIN CERTIFICATE-----
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ODYwMjkwFQYDVR0RBA4wDIgKKwYBBAGCngABATAdBgNVHQ4EFgQU4KT06bmPE9Ft
qdqTS287wsPF+BQwHwYDVR0jBBgwFoAUgTcPUSXQsdQI1MOyMubSXnlb6/swCgYI
KoZIzj0EAwIDRwAwRAIfRt2pHhDBaXqtsI7tT6bjxVEPsYqU8ZeB0RFkMHASiQIh
APQPtlAVS2gU0Oul7JdAmXmIusHDrZ68YYY6V9n5bIax
-----END CERTIFICATE-----