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Cirrus Link Resources
Chariot MQTT Server v1 (previous version)
Cirrus Link Modules for Ignition
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Generate a private key file (engineCA.key) for MQTT Engine CA using the command below. You will be required to enter a pass phrase to be associated with the engineCA.key file.
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openssl genrsa -des3 -out ca/engine/engineCA.key 2048 |
Generate a Certificate Signing Request (CSR) for the MQTT Engine CA using the command below. This command generates a new CSR named "engineCA.csr’ using the RSA private key "engineCA.key" and you will be required to enter the pass phrase created in the previous step.
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openssl req -new -key ca/engine/engineCA.key -out ca/engine/engineCA.csr |
Note |
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There are a number of fields associated with the creation of the certificate. The required fields are: Country Name (2 letter code) []: State or Province Name (full name) []: Locality Name (eg, city) []: Organization Name (eg, company) []: Organizational Unit Name (eg, section) []: We set this as MQTT Engine CA Common Name (eg, fully qualified host name) []: We set this as the FQDN of the Chariot server Email Address []: Extra attributes to be sent with the certificate request are: A challenge password []: |
Sign the MQTT Engine CA with the Root CA using the command below. This command will sign the CSR "engineCA.csr" with the Root CA certificate ‘ca.crt’ and RSA private key ‘ca.key’, creating a new X.509 certificate named ‘engineCA.crt’ valid for 3650 days (10 years). An "engineCA.srl" file will also be created containing the signed certificate's unique serial number. You will be required to enter the pass phrase associated with the private key file "ca.key".
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openssl x509 -req -in ca/engine/engineCA.csr -CA ca/ca.crt -CAkey ca/ca.key -CAcreateserial -out ca/engine/engineCA.crt -days 3650 |
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Generate a private key file (transmissionCA.key) for MQTT Transmission CA using the command below. You will be required to enter a pass phrase to be associated with the transmissionCA.key file.
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openssl genrsa -des3 -out ca/transmission/transmissionCA.key 2048 |
Generate a Certificate Signing Request (CSR) for the MQTT Transmission CA using the command below. This command generates a new CSR named "transmissionCA.csr’ using the RSA private key "transmissionCA.key" and you will be required to enter the pass phrase created in the previous step.
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openssl req -new -key ca/transmission/transmissionCA.key -out ca/transmission/transmissionCA.csr |
Note |
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There are a number of fields associated with the creation of the certificate. The required fields are: Country Name (2 letter code) []: State or Province Name (full name) []: Locality Name (eg, city) []: Organization Name (eg, company) []: Organizational Unit Name (eg, section) []: We set this as MQTT Transmission CA Common Name (eg, fully qualified host name) []: We set this as the FQDN of the Chariot server Email Address []: Extra attributes to be sent with the certificate request are: A challenge password []: |
Sign the MQTT Transmission CA with the Root CA using the command below. This command will sign the CSR "transmissionCA.csr" with the Root CA certificate ‘ca.crt’ and RSA private key ‘ca.key’, creating a new X.509 certificate named ‘transmissionCA.crt’ valid for 3650 days (10 years). An "transmissionCA.srl" file will also be created containing the signed certificate's unique serial number. You will be required to enter the pass phrase associated with the private key file "ca.key".
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openssl x509 -req -in ca/transmission/transmissionCA.csr -CA ca/ca.crt -CAkey ca/ca.key -CAcreateserial -out ca/transmission/transmissionCA.crt -days 3650 |
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Generate private key (engine.key) for MQTT Engine using the command below.
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openssl genrsa -out certs/engine/engine.key 2048 |
Generate a Certificate Signing Request (CSR) for MQTT Engine using the command below. This command generates a new CSR named "engine.csr’ using the RSA private key "engine.key".
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openssl req -new -key certs/engine/engine.key -out certs/engine/engine.csr |
Note |
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There are a number of fields associated with the creation of the certificate. The required fields are: Country Name (2 letter code) []: State or Province Name (full name) []: Locality Name (eg, city) []: Organization Name (eg, company) []: Organizational Unit Name (eg, section) []: We set this as MQTT Engine Common Name (eg, fully qualified host name) []: We set this as the FQDN of the Chariot server Email Address []: Extra attributes to be sent with the certificate request are: A challenge password []: |
Sign the MQTT Engine Client CSR with the Engine CA using the command below. This command will sign the CSR "engine.csr" with the Engine CA certificate ‘engineCA.crt’ and RSA private key ‘engineCA.key’, creating a new X.509 certificate named ‘engineCA.crt’ valid for 3650 days (10 years). You will be required to enter the pass phrase associated with the private key file "engineCA.key".
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openssl x509 -req -in certs/engine/engine.csr -CA ca/engine/engineCA.crt -CAkey ca/engine/engineCA.key -CAcreateserial -out certs/engine/engine.crt -days 365 |
You should now see the following files created:
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Generate private key (transmission.key) for MQTT Transmission using the command below.
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openssl genrsa -out certs/transmission/transmission.key 2048 |
Generate a Certificate Signing Request (CSR) for MQTT Transmission using the command below. This command generates a new CSR named "transmission.csr’ using the RSA private key "transmission.key".
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openssl req -new -key certs/transmission/transmission.key -out certs/transmission/transmission.csr |
Note |
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There are a number of fields associated with the creation of the certificate. The required fields are: Country Name (2 letter code) []: State or Province Name (full name) []: Locality Name (eg, city) []: Organization Name (eg, company) []: Organizational Unit Name (eg, section) []: We set this as MQTT Transmission Common Name (eg, fully qualified host name) []: We set this as the FQDN of the Chariot server Email Address []: Extra attributes to be sent with the certificate request are: A challenge password []: |
Sign the MQTT Transmission Client CSR with the Transmission CA using the command below. This command will sign the CSR "transmission.csr" with the Transmission CA certificate ‘transmissionCA.crt’ and RSA private key ‘transmissionCA.key’, creating a new X.509 certificate named ‘transmissionCA.crt’ valid for 3650 days (10 years). You will be required to enter the pass phrase associated with the private key file "transmissionCA.key".
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openssl x509 -req -in certs/transmission/transmission.csr -CA ca/transmission/transmissionCA.crt -CAkey ca/transmission/transmissionCA.key -CAcreateserial -out certs/transmission/transmission.crt -days 365 |
We have now generated all the certificates and keys needed to setup SSL connections between Chariot and the MQTT Engine and MQTT Transmission modulesYou should now have the following files:
├── ca/
│ ├── ca.crt
│ ├── ca.key
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