Generate Private Key From Jks

How can I find the private key for my SSL certificate. If you just got an issued SSL certificate and are having a hard time finding the corresponding private key, this article can help you to find that one and only key for your certificate. Command: keytool -list -v -keystore identity.jks -storepass password - The ImportPrivateKey utility is used to load a private key into a private keystore file. You can use the CertGen utility to create a.key ( testkey ) and.crt ( testcert ) and then use the ImportPrivateKey utility to create a.jks file.

Generate private key from jks pdf

To Generate a Certificate by Using keytool

By default, the keytool utility creates a keystorefile in the directory where the utility is run.

Private Key Definition

Before You Begin

To run the keytool utility, your shell environmentmust be configured so that the J2SE /bin directory is inthe path, otherwise the full path to the utility must be present on the commandline.

  1. Change to the directory that contains the keystore and truststorefiles.

    Always generate the certificate in the directory containingthe keystore and truststore files. The default is domain-dir/config.

  2. Generate the certificate in the keystore file, keystore.jks,using the following command format:


    Use any unique name as your keyAlias. Ifyou have changed the keystore or private key password from the default (changeit), substitute the new password for changeit.The default key password alias is s1as.

    A prompt appears that asks for your name, organization, and other information.

  3. Export the generated certificate to the server.cer file(or client.cer if you prefer), using the following commandformat:


  4. If a certificate signed by a certificate authority is required,see To Sign a Certificate by Using keytool.

  5. Create the cacerts.jks truststore file andadd the certificate to the truststore, using the following command format:


    If you have changed the keystore or private key password from the default(changeit), substitute the new password.

    Information about the certificate is displayed and a prompt appearsasking if you want to trust the certificate.

  6. Type yes, then press Enter.

    Informationsimilar to the following is displayed:


  7. To apply your changes, restart GlassFish Server. See To Restart a Domain.

Example 11–10 Creating a Self-Signed Certificate in a JKS Keystore by Using an RSAKey Algorithm

Keytool Generate Private Key From Jks

RSA is public-key encryption technology developed by RSA Data Security,Inc.


Example 11–11 Creating a Self-Signed Certificate in a JKS Keystore by Using a DefaultKey Algorithm


Example 11–12 Displaying Available Certificates From a JKS Keystore


Example 11–13 Displaying Certificate information From a JKS Keystore

Private Key Bitcoin



See Also

Generate Private Key From Ssl Cert

For more information about keytool, see the keytool reference page.