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1. Generate a private key file (ca.key) for the Root CA using the command below. You will be required to enter a pass phrase to be associated with the ca.key file.

   Tip
   Make note of this pass phrase for the Root CA private key file (ca.key) as it will be used multiple times whilst creating the certificate hierarchy.

   
   

   Code Block
   language text
   openssl genrsa -des3 -out ca/ca.key 2048

   
   

2. Generate a self-signed certificate (ca.crt) for the Root CA using the command below. This command generates a new self-signed X.509 certificate named "ca.crt" valid for 3650 days (10 years) using the RSA private key "ca.key". A "ca.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". 

   Code Block
   language text
   openssl req -new -x509 -key ca/ca.key -days 3650 -out ca/ca.crt

   
   

   Note

   There are a number of fields associated with the creation of the certificate. The required fields are: Country Name (2 letter code) []: Your country code State or Province Name (full name) []: Your state Locality Name (eg, city) []: Your city Organization Name (eg, company) []: Your organization name Organizational Unit Name (eg, section) []: CA Common Name (eg, fully qualified host name) [] This MUST be the Fully Qualified Domain Name (FQDN) of the Chariot server Email Address []: Your email address Fill them out with your relevant details where the Common Name must be the Fully Qualified Domain Name (FQDN) of the Chariot server.

   
   

Anchor
GenerateServerCACertificate GenerateServerCACertificate

Generate Server CA certificate signed with AnchorGenerateServerCACertificateGenerateServerCACertificateGenerate Server CA certificate signed with the Root CA

1. Generate a private key file (serverCA.key) for the Server CA using the command below. You will be required to enter a pass phrase to be associated with the serverCA.key file.

   Tip
   Make note of this pass phrase for the Server CA private key file (serverCA.key) as it will be used again whilst creating the certificate hierarchy.

   
   

   Code Block
   language text
   openssl genrsa -des3 -out ca/server/serverCA.key 2048

   
   

2. Generate a Certificate Signing Request (CSR) for the server CA using the command below. This command generates a new CSR named "serverCA.csr’ using the RSA private key "serverCA.key" and you will be required to enter the pass phrase for the serverCA.key file created in the previous step.

   Code Block
   language text
   openssl req -new -key ca/server/serverCA.key -out ca/server/serverCA.csr

   
   

   Note
   There are a number of fields associated with the creation of the certificate. Fill them out with your relevant details where theCommon Name must be the Fully Qualified Domain Name (FQDN) of the Chariot server.

   
   

3. Sign the Server CA with the Root CA using the command below. This command will sign the CSR "serverCA.csr" with the Root CA certificate ‘ca.crt’ and RSA private key ‘ca.key’, creating a new X.509 certificate named ‘serverCA.crt’ valid for 3650 days (10 years). You will be required to enter the pass phrase associated with the Root CA private key file "ca.key". 

   Code Block
   language text
   openssl x509 -req -in ca/server/serverCA.csr -CA ca/ca.crt -CAkey ca/ca.key -CAcreateserial -out ca/server/serverCA.crt -days 3650

   
   

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1. 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.

   Tip
   Make note of this pass phrase for the MQTT Engine CA private key file (engineCA.key) as it will be used again whilst creating the certificate hierarchy.

   
   

   Code Block
   language text
   openssl genrsa -des3 -out ca/engine/engineCA.key 2048

   
   

2. 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 for the engineCA.key file created in the previous step.

   Code Block
   language text
   openssl req -new -key ca/engine/engineCA.key -out ca/engine/engineCA.csr

   
   

   Note

   There are a number of fields associated with the creation of the certificate. The required fields are: Country Name (2 letter code) []: Your county code State or Province Name (full name) []: Your state Locality Name (eg, city) []: Your city Organization Name (eg, company) []: Your company name Organizational Unit Name (eg, section) []: MQTT Engine CA Common Name (eg, fully qualified host name) []: This MUST be the Fully Qualified Domain Name (FQDN) of the Chariot server Email Address []: Extra attributes to be sent with the certificate request are: A challenge password []: Any alpha-numeric phrase Fill them out with your relevant details where the Common Name must be the Fully Qualified Domain Name (FQDN) of the Chariot server.

   
   

3. Sign the MQTT Engine CA with the Root CA using the command below. This 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). You will be required to enter the pass phrase associated with the Root CA private key file "ca.key".

   Code Block
   language text
   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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1. 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. 

   Tip
   Make note of this pass phrase for the MQTT Transmission CA private key file (transmissionCA.key) as it will be used again whilst creating the certificate hierarchy.

   
   

   Code Block
   language text
   openssl genrsa -des3 -out ca/transmission/transmissionCA.key 2048

   
   

2. 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 for the transmissionCA.key file created in the previous step.

   Code Block
   language text
   openssl req -new -key ca/transmission/transmissionCA.key -out ca/transmission/transmissionCA.csr

   previous step.

   Code Block
   language text
   openssl req -new -key ca/transmission/transmissionCA.key -out ca/transmission/transmissionCA.csr

   
   

   Note
   There are a number of fields associated with the creation of the certificate. Fill them out with your relevant details where the Common Name must be
   Note
   There are a number of fields associated with the creation of the certificate. The required fields are: Country Name (2 letter code) []: Your country code State or Province Name (full name) []: Your state Locality Name (eg, city) []: Your city Organization Name (eg, company) []: Your company name Organizational Unit Name (eg, section) []: MQTT Transmission CA Common Name (eg, fully qualified host name) []: This MUST be the Fully Qualified Domain Name (FQDN) of the Chariot server Email Address []: Your email address Extra attributes to be sent with the certificate request are: A challenge password []: Any alpha-numeric phrasethe Chariot server.

   
   

3. 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). You will be required to enter the pass phrase associated with the Root CA private key file "ca.key".

   Code Block
   language text
   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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1. Generate private key in PKCS8 format (server.key) for the Chariot server using the command below.

   Code Block
   language text
   openssl genrsa -out certs/server/server.key 2048

   ******* Convert from PKCS8 format to PCKS1 until Chariot supports PKCS8 format CS-612 *********

   Code Block
   language text
   openssl rsa -in certs/server/server.key -traditional -out certs/server/server.key

   
   

2. Generate a Certificate Signing Request (CSR) for the Chariot server using the command below. This command generates a new CSR named "server.csr’ using the RSA private key "server.key".

   Code Block
   language text
   openssl req -new -key certs/server/server.key -out certs/server/server.csr

   
   

   Note

   There are a number of fields associated with the creation of the certificate. The required fields are: Country Name (2 letter code) []: Your county code State or Province Name (full name) []: Your state Locality Name (eg, city) []: Your city Organization Name (eg, company) []: Your company name Organizational Unit Name (eg, section) []: Chariot Common Name (eg, fully qualified host name) []: This MUST be the Fully Qualified Domain Name (FQDN) of the Chariot server Email Address []: Your email address Extra attributes to be sent with the certificate request are: A challenge password []: Any alpha-numeric phraseFill them out with your relevant details where the Common Name must be the Fully Qualified Domain Name (FQDN) of the Chariot server.

   
   

3. Sign the Server CSR with the Server CA using the command below. This command will sign the CSR "server.csr" with the Server CA certificate ‘serverCA.crt’ and RSA private key ‘serverCA.key’, creating a new X.509 certificate named ‘serverCA.crt’ valid for 3650 days (10 years). A "serverCA.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 "serverCA.key".

   Code Block
   language text
   openssl x509 -req -in certs/server/server.csr -CA ca/server/serverCA.crt -CAkey ca/server/serverCA.key -CAcreateserial -out certs/server/server.crt -days 365

   
   

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1. Generate private key in PSCK8 format (engine.key) for MQTT Engine using the command below.

   Code Block
   language text
   openssl genrsa -out certs/engine/engine.key 2048

   
   

2. 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".

   Code Block
   language text
   openssl req -new -key certs/engine/engine.key -out certs/engine/engine.csr

   
   

   Note

   There are a number of fields associated with the creation of the certificate. The required fields are: Country Name (2 letter code) []: Your country code State or Province Name (full name) []: Your state Locality Name (eg, city) []: Your city Organization Name (eg, company) []: Your company name Organizational Unit Name (eg, section) []: MQTT Engine Common Name (eg, fully qualified host name) []: This MUST be the Fully Qualified Domain Name (FQDN) of the Chariot server Email Address []: Your email address Extra attributes to be sent with the certificate request are: A challenge password []: Any alpha-numeric phraseFill them out with your relevant details where the Common Name must be the Fully Qualified Domain Name (FQDN) of the Chariot server.

   
   

3. 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). 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 "engineCA.key".

   Code Block
   language text
   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

   
   

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1. Generate private key in PKCS8 format (transmission.key) for MQTT Transmission using the command below.

   Code Block
   language text
   openssl genrsa -out certs/transmission/transmission.key 2048

   
   

2. 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".

   Code Block
   language text
   openssl req -new -key certs/transmission/transmission.key -out certs/transmission/transmission.csr

   
   

   Note

   There are a number of fields associated with the creation of the certificate. The required fields are: Country Name (2 letter code) []: Your country code State or Province Name (full name) []: Your state Locality Name (eg, city) []: Your city Organization Name (eg, company) []: Your company name Organizational Unit Name (eg, section) []: MQTT Transmission Common Name (eg, fully qualified host name) []: This MUST be Fill them out with your relevant details where the Common Name must be the Fully Qualified Domain Name (FQDN) of the Chariot server Email Address []: Your email address Extra attributes to be sent with the certificate request are: A challenge password []: Any alpha-numeric phrase.

   
   

3. 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). 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 "transmissionCA.key".

   Code Block
   language text
   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

   
   

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