How do I add a certificate to my trusted Java Keystore?

How do I add a certificate to my trusted Java Keystore?

How do I add a certificate to my trusted Java Keystore?

Import a certificate to the Java Keystore

  1. Replace $JDK_HOME with your actual JDK home path.
  2. Replace $CERT with the path to your certificate the you previously installed to the system.
  3. Replace $ALIAS with the preferred alias to be used in the keystore.
  4. Note that changeit is the default password for Java’s cacerts file.

How add SSL certificate to Java cacerts file and JKS keystore?


  1. Locate the keystore location in the JRE. Typically this keystore is at JAVA_HOME\jre\lib\security\cacerts.
  2. Run the standard keytool to import the certificate, from JAVA_HOME\jre\lib\security.
  3. When prompted Enter keystore password:, enter “changeit” .
  4. When prompted Trust this certificate? [no]:, enter “yes”.

How do I load a certificate in Java?

  1. Go to your java_home\jre\lib\security.
  2. (Windows) Open admin command line there using cmd and CTRL + SHIFT + ENTER.
  3. Run keytool to import certificate: (Replace yourAliasName and path\to\certificate. cer respectively)

How do I add a self signed certificate to Java truststore?

Importing Self Signed Root Certificate into Java Virtual Machine (JVM) Trust Store

  1. Ensure that JAVA_HOME has been already set up.
  2. Run the following command: $keytool -import -trustcacerts -file rootCer.cer -alias selfsignedcert -keystore cacerts.

How do I update a certificate in keystore?

Following are the high level steps you need to follow to renew an expired certificate in a keystore.

  1. Step 1: Check the validity period of the certificate.
  2. Step 2: Generate a certificate signing request.
  3. Step 3: Import the new certificate to a keystore.

Is cacerts a keystore or Truststore?

‘cacerts’ is a truststore. A trust store is used to authenticate peers. A keystore is used to authenticate yourself.

How do I import a certificate into keystore?

– Run the keytool -import -alias ALIAS -file public.cert -storetype TYPE -keystore server.truststore command: – If the specified truststore already exists, enter the existing password for that truststore, otherwise enter a new password: – Enter yes when prompted to trust the certificate:

How to import a .CER certificate into a Java KeyStore?

1) Copy the crt contents to a notepad and save this file with . pem extension. 2) Copy the contents of private key and save it into a notepad with . pem extension. 3) Run the following command :

How to create a self signed certificate using Java keytool?

alias_name: Specifies the alias that you gave to the self-signed certificate when you created it.

  • path_to_keystore_file: Specifies path to the KeyStore file that holds your self-signed certificate.
  • request_file: Specifies path to the request file output. This file is sent to the CA.
  • How to create a keystore with certificate chain?

    – Pack all the certificates and server private key into a pkcs12 file. openssl pkcs12 -export -inkey server.key -in cert-chain.txt -out cert-chain.pkcs12 – Pack that file into a java keystore by using the below keytool command. – Use this created keystore (SSLKeystore.jks) in jetty.xml and restart the Adeptia services.