Step 2: Receive the New Certificates from the CA

You will receive the following files from the Certificate Authority (CA):

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Your (device) certificate – rename this file to “device.crt”

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Root certificate – rename this file to “root.crt”

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Intermediate CA certificates (if such files exist) – rename these files to “ca1.crt”, “ca2.crt” etc.

Save the signed certificate to a file (e.g., device.crt). Make sure that all certificates are in PEM format and appear as follows:

-----BEGIN CERTIFICATE-----

MIIDkzCCAnugAwIBAgIEAgAAADANBgkqhkiG9w0BAQQFADA/MQswCQYDVQQGEwJGUjETMBEGA1UEChMKQ2VydGlwb3N0ZTEbMBkGA1UEAxMSQ2VydGlwb3N0ZSBTZXJ2ZXVyMB4XDTk4MDYyNDA4MDAwMFoXDTE4MDYyNDA4MDAwMFowPzELMAkGA1UEBhMCRlIxEzARBgNVBAoTCkNlcnRpcG9zdGUxGzAZBgNVBAMTEkNlcnRpcG9zdGUgU2VydmV1cjCCASEwDQYJKoZIhvcNAQEBBQADggEOADCCAQkCggEAPqd4MziR4spWldGRx8bQrhZkonWnNm`+Yhb7+4Q67ecf1janH7GcN/SXsfx7jJpreWULf7v7Cvpr4R7qIJcmdHIntmf7JPM5n6cDBv17uSW63er7NkVnMFHwK1QaGFLMybFkzaeGrvFm4k3lRefiXDmuOe+FhJgHYezYHf44LvPRPwhSrzi9+Aq3o8pWDguJuZDIUP1F1jMa+LPwvREXfFcUW+w==

-----END CERTIFICATE-----

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The above files are required in the following steps. Make sure that you obtain these files before proceeding.

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Use the exact filenames as mentioned above.