17.12.2020

Generate Public Key From Private Key Keytool

When you are working with JAVA applications and JAVA based server, you may need to configure a Java key store (JKS) file. Self signed keystore can be easily created with keytool command. But if you have a private key and a CA signedcertificate of it, You can not create a key store with just one keytool command.

Keytool -export -alias clientprivate -keystore client.private -file temp.key -storepass clientpw And here's the command to insert the client's private key into its own keystore: keytool -import -noprompt -alias clientpublic -keystore client.public -file temp.key -storepass public We'll also extract and store the server's public key. Exporting the public key from a JSK is quite straightforward with the keytool utility, but exporting the private key is not allowed. Therefore, we need to get the support of the openssl utility for that. Additionally, you can write some custom Java code to get the private key extracted as well.

You need to go through following to get it done.

Mockingjay part 1 full movie online free no download. Step 1. Create PKCS 12 file using your private key and CA signed certificate of it. You can use openssl command for this.

If your private key has a password, It would promote to enter the password of private key. You need to define a password for PKCS 12 file as well.

As an example, say i have a private key called “server.pem” and certificate with “servercret.pem”

Generate public key from private key keytool free

Step 2. Create JKS file using keytool command

Created PKCS 12 file has been given as the source keystore and new file name (wso2carbon.jks) has been given as the destination keystore.

As an example,

Generate Public Key From Private Key Keytool Access

As an additional steps, you can change the private key password of the created JKS file and also the alias name for your private key entry.

Generate

Step 3 (Optional). Changing the password of private key file in keystore. More details from here as well

Step 4 (Optional). Change the alias name of the private key entry

By default [current alias] is set to “1”

Thanks for reading…!!! Also you can find more details on creating self signed KeyStore from here

Related posts:

To Use keytool to Create a ServerCertificate

Run keytool to generate a new key pair in the defaultdevelopment keystore file, keystore.jks. This exampleuses the alias server-alias to generate a new public/privatekey pair and wrap the public key into a self-signed certificate inside keystore.jks. The key pair is generated by using an algorithm oftype RSA, with a default password of changeit. For moreinformation and other examples of creating and managing keystore files, readthe keytool online help at http://download.oracle.com/javase/6/docs/technotes/tools/solaris/keytool.html.

Note –

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

Generate Public Key Windows

From the directory in which you want to create the key pair, run keytool as shown in the following steps. Aes key generator base 64.

  1. Generate the server certificate.

    Type the keytool command all on one line:


    When you press Enter, keytool prompts you to enterthe server name, organizational unit, organization, locality, state, and countrycode.

    You must type the server name in response to keytool’sfirst prompt, in which it asks for first and last names. For testing purposes,this can be localhost.

    When you run the example applications, the host (server name) specifiedin the keystore must match the host identified in the javaee.server.name property specified in the file tut-install/examples/bp-project/build.properties.

  2. Export the generated server certificate in keystore.jks intothe file server.cer.

    Type the keytool commandall on one line:


  3. If you want to have the certificate signed by a CA, read the exampleat http://download.oracle.com/javase/6/docs/technotes/tools/solaris/keytool.html.

  4. To add the server certificate to the truststore file, cacerts.jks, run keytool from the directory where you createdthe keystore and server certificate.

    Use the following parameters:


    Information on the certificate, such as that shown next, will appear:


  5. Type yes, then press the Enter or Return key. Rocket league steam key generator.

    The following information appears: