- Make sure your PEM file starts with a dash -

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            03:d8:95:71:ba:5f:70:c8:4d:6a:e8:a6:0f:aa:40:d5:fc:d9:bc:6e
        Signature Algorithm: ecdsa-with-SHA256
        Issuer: C = IE, L = Dublin, O = Cesanta, CN = Test Root
        Validity
            Not Before: May  9 21:51:52 2020 GMT
            Not After : May  9 21:51:52 2030 GMT
        Subject: CN = client
        Subject Public Key Info:
            Public Key Algorithm: id-ecPublicKey
                Public-Key: (256 bit)
                pub:
                    04:e2:2e:72:7b:b6:2d:a3:d3:3b:0e:b1:4e:8a:09:
                    19:66:ff:d6:0e:d4:3f:47:8c:20:ab:06:db:25:77:
                    8b:2a:ac:fa:a4:e2:f8:97:ba:10:c5:fa:5d:0b:ee:
                    28:16:56:78:0f:30:17:2b:6b:04:6c:dc:c8:f8:12:
                    23:d3:2f:01:58
                ASN1 OID: prime256v1
                NIST CURVE: P-256
        X509v3 extensions:
            X509v3 Basic Constraints: 
                CA:FALSE
            X509v3 Key Usage: 
                Digital Signature, Key Encipherment, Key Agreement
            X509v3 Extended Key Usage: 
                TLS Web Client Authentication
    Signature Algorithm: ecdsa-with-SHA256
         30:46:02:21:00:de:e5:30:ae:50:e9:a7:14:a0:c3:79:29:df:
         bf:d3:a3:f8:19:b0:19:b5:ab:3e:6e:c9:29:18:86:ff:fe:a7:
         b0:02:21:00:f5:ba:90:d6:1c:fe:ff:05:44:9a:b1:20:2c:ee:
         00:68:20:85:f7:0f:86:a2:13:1e:86:9a:03:6d:74:aa:72:c2
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
-----BEGIN PRIVATE KEY-----
MIGHAgEAMBMGByqGSM49AgEGCCqGSM49AwEHBG0wawIBAQQgk5sv3YwDGTm29Czy
UWuKlbfbvZqZv1fFRBOn2S0D7SuhRANCAATiLnJ7ti2j0zsOsU6KCRlm/9YO1D9H
jCCrBtsld4sqrPqk4viXuhDF+l0L7igWVngPMBcrawRs3Mj4EiPTLwFY
-----END PRIVATE KEY-----
