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corda/docs/source/permissioning.rst

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Network permissioning

The keystore located in <workspace>/certificates/sslkeystore.jks is required to connect to the Corda network securely. In development mode (when devMode = true, see corda-configuration-file for more information) a pre-configured keystore will be used if the keystore does not exist. This is to ensure developers can get the nodes working as quickly as possible.

However this is not secure for the real network. This documentation will explain the procedure of obtaining a signed certificate for TestNet.

Warning

The TestNet has not been setup yet as of Milestone 6 release. You will not be able to connect to the certificate signing server.

Certificate signing request utility

The utility creates certificate signing request based on node information obtained from the node configuration. The following information from the node configuration file is needed to generate a certificate signing request.

myLegalName

Your company's legal name. e.g. "R3 CEV, LLC"

nearestCity

e.g. "London"

emailAddress

e.g. "admin@company.com"

certificateSigningService

Certificate signing server URL. A certificate signing server will be hosted by R3 in the near future. e.g."https://testnet.certificate.corda.net"

A new pair of private and public keys will be generated by the utility and will be used to create the request.

The utility will submit the request to the network permissioning server and poll for a result periodically to retrieve the certificates. Once the request has been approved and the certificates downloaded from the server, the utility will create the key store and trust store using the certificates and the generated private key.

Note

You can exit the utility at anytime if the approval process is taking longer then expected. The request process will resume on restart.

This process only needs to be done once when the node connects to the network for the first time, or when the certificate expires.

Building the utility

The utility will be created as part of the gradle :node module buildCordaJAR task. You can also build the utility JAR by run the following command from the Corda project root directory.

Windows:

gradlew.bat :node:buildCertSigningRequestUtilityJAR

Other:

./gradlew :node:buildCertSigningRequestUtilityJAR

The utility JAR will be created in <Project Root Dir>/node/build/libs/certSigningRequestUtility.jar

Running the utility

You will need to specify the working directory of your Corda node using --base-dir flag. This is defaulted to current directory if left blank. You can also specify the location of node.conf with --config-file flag if it's not in the working directory.

Running the Utility:

java -jar certSigningRequestUtility.jar --base-dir <<optional>> --config-file <<optional>>

A certificates folder containing the keystore and trust store will be created in the base directory when the process is completed.

Warning

The keystore is protected by the keystore password from the node configuration file. The password should kept safe to protect the private key and certificate.

Note

Password encryption in node configuration will be supported in subsequent release.