Using the Apache NiFi Toolkit
Also available as:
PDF

nifi-cert.pem


         # The first command shows the actual content of the encoded file, and the second parses it and shows the internal values

.../certs $ more nifi-cert.pem
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
.../certs $ openssl x509 -in nifi-cert.pem -text -noout
Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            01:64:de:33:79:03:00:00:00:00
    Signature Algorithm: sha256WithRSAEncryption
        Issuer: OU=NIFI, CN=nifi-ca.nifi.apache.org
        Validity
            Not Before: Jul 28 00:04:32 2018 GMT
            Not After : Jul 27 00:04:32 2021 GMT
        Subject: OU=NIFI, CN=nifi-ca.nifi.apache.org
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:aa:45:6b:ac:2f:80:90:56:e3:9c:2a:6e:a5:2c:
                    bc:e2:d4:c5:0e:c4:55:50:85:98:8f:f9:36:a5:5c:
                    02:d7:8e:4c:dd:ba:6b:d2:94:42:cc:bb:b3:a2:f0:
                    23:14:29:93:e4:bf:a2:b1:3b:cd:8e:18:a8:9e:ca:
                    a2:7f:4e:c4:6d:df:cc:da:9b:18:13:f4:62:87:63:
                    14:2e:c5:fa:2a:04:5e:d6:74:54:88:17:8a:17:4f:
                    21:96:64:81:30:60:c5:3e:3d:fd:c8:3c:c4:fd:5f:
                    5e:77:15:7f:28:68:d1:a9:58:30:fd:0c:b4:bf:06:
                    92:e6:e5:9d:5e:72:c3:87:3a:15:e3:f3:33:ee:51:
                    a6:62:83:1a:b1:9d:6e:7b:19:47:f7:78:e3:06:5d:
                    7e:10:52:f6:5e:86:b4:ea:82:db:12:88:c9:f5:32:
                    9a:5a:1a:46:f2:27:ad:11:e7:5f:ed:63:34:ce:a0:
                    44:cf:69:07:a3:d7:5d:16:4f:72:c6:20:a4:4f:84:
                    94:2a:70:d6:92:1c:1c:fe:8e:ae:b3:5b:c4:5e:84:
                    b0:fa:d9:ae:7c:76:3f:03:78:15:8a:18:d6:3c:81:
                    b3:ab:22:c5:97:d2:6e:37:b0:b2:25:ea:64:55:5a:
                    93:76:c9:01:1b:b4:bc:e4:6f:e4:06:58:b3:52:3e:
                    63:3b
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Key Usage: critical
                Digital Signature, Non Repudiation, Key Encipherment, Data Encipherment, Key Agreement, Certificate Sign, CRL Sign
            X509v3 Basic Constraints:
                CA:TRUE
            X509v3 Subject Key Identifier:
                2A:25:81:29:B3:0C:43:5C:D4:69:B0:F8:80:8E:CB:54:E5:8E:73:2D
            X509v3 Authority Key Identifier:
                keyid:2A:25:81:29:B3:0C:43:5C:D4:69:B0:F8:80:8E:CB:54:E5:8E:73:2D

            X509v3 Extended Key Usage:
                TLS Web Client Authentication, TLS Web Server Authentication
    Signature Algorithm: sha256WithRSAEncryption
         31:7c:71:48:64:b3:b0:9b:02:2a:9d:22:3f:8a:bf:1f:fe:ec:
         c3:32:ad:3a:00:f1:c6:76:17:5e:20:a5:74:1d:1e:f8:06:d2:
         bd:e4:a1:60:e3:6c:de:5f:10:04:15:e8:9c:f7:c3:c2:fc:53:
         d5:b4:aa:66:d9:65:1a:d6:c9:4c:07:ea:0f:db:b7:11:c7:96:
         67:af:6f:a9:92:d6:aa:9c:ce:df:d8:98:0c:78:9f:1b:76:e3:
         47:dd:15:24:af:d8:f0:82:47:09:47:0c:82:23:87:f0:1c:2f:
         64:d7:c6:a2:cc:d7:4e:7f:6a:b6:52:04:17:c4:d5:da:2d:83:
         de:d7:b7:5e:b8:d5:70:c2:b7:e5:32:07:85:7d:5a:f0:6d:3d:
         ae:3c:94:cc:46:2d:43:15:0c:9c:ea:16:85:e2:fb:0e:49:24:
         73:13:a3:b2:0e:87:3e:ff:53:e9:c8:f5:bb:e4:e7:92:5d:e5:
         42:6d:cd:c0:10:0b:d1:b9:36:4c:05:0b:c1:41:4a:95:33:9d:
         5e:30:31:be:2b:7a:c2:7a:27:92:04:f3:a7:18:da:c4:0b:f3:
         e2:03:f0:af:68:c5:c1:12:88:3e:c4:f0:30:d5:28:18:7e:e0:
         b3:e2:b9:4c:dc:17:51:6b:9e:33:df:ea:0e:95:cf:31:6f:37:
         7b:c3:c4:37