Java | Apache Tomcat 9 | Read keystore from memory

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Is there a way in Apache Tomcat 9 (Java) to read a keystore for SSL encryption from a variable, meaning without the detour of saving the keystore to a file and then specifying the file path as property?

At the moment I pass the keystore into Apache like the following code:

Connector connector = new Connector();
connector.setScheme("https");
connector.setProperty("keyAlias", "alias-test");
connector.setProperty("keystorePass", "testpwd");
connector.setProperty("keystoreType", "PKCS12");
connector.setProperty("keystoreFile", "keystore.pfx");
tomcat9 keystore ssl java
1 Answers

To use an already configured KeyStore you need to use the appropriate setter methods, which since Tomcat 8.5 are:

This sums up to something like this:

       final KeyStore trustStore = ...
       final KeyStore keyStore = ...
       // Certificate
       final SSLHostConfigCertificate certificate = new SSLHostConfigCertificate();
       certificate.setCertificateKeystore(keyStore);
       certificate.setCertificateKeyAlias("mykey");
       certificate.setCertificateKeyPassword("secret");
       // Host SSL configuration
       final SSLHostConfig sslHostConfig = new SSLHostConfig();
       sslHostConfig.setTrustStore(trustStore);
       sslHostConfig.addCertificate(certificate);
       // Connector
       final Connector connector = new Connector();
       connector.setScheme("https");
       connector.setSecure(true);
       connector.addSslHostConfig(sslHostConfig);
       connector.setProperty("SSLEnabled", "true");
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