9.3. Create a Private/Public Key Pair with Keytool (2024)

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Procedure9.1.Create a Private/Public Key Pair with Keytool

  1. Run the keytool -genkey -alias ALIAS -keyalg ALGORITHM -validity DAYS -keystore server.keystore -storetype TYPE command:

    keytool -genkey -alias teiid -keyalg RSA -validity 365 -keystore server.keystore -storetype JKS
  2. If the specified keystore already exists, enter the existing password for that keystore, otherwise enter a new password:

    Enter keystore password: <password>
  3. Answer the following questions when prompted:

    What is your first and last name?[Unknown]: <user's name>What is the name of your organizational unit?[Unknown]: <department name>What is the name of your organization?[Unknown]: <company name>What is the name of your City or Locality?[Unknown]: <city name>What is the name of your State or Province?[Unknown]: <state name>What is the two-letter country code for this unit?[Unknown]: <country name>
  4. Enter yes to confirm the provided information is correct:

    Is CN=<user's name>, OU=<department name>, O="<company name>",L=<city name>, ST=<state name>, C=<country name> correct?[no]: yes
  5. Enter your desired keystore password:

    Enter key password for <server>(Return if same as keystore password)

Result

The server.keystore file contains the newly generated public and private key pair.

9.3. Create a Private/Public Key Pair with Keytool (2024)

FAQs

9.3. Create a Private/Public Key Pair with Keytool? ›

You can't directly import private key information to a keystore (. JKS) using keytool. Instead, you must convert the certificate and private key into a PKCS 12 (. p12) file, and then you can import the PKCS 12 file into your keystore.

How do I create a public private key pair? ›

Procedure
  1. Once installed, run the OpenSSL command prompt. Type openssl to start the application.
  2. To generate a new RSA private key, type: genrsa -out {path_to_pem_file} 2048. ...
  3. To generate a public key, type: rsa -pubout -in {path_private_pem} -out (path_public_pem)

How to add private key to certificate keytool? ›

You can't directly import private key information to a keystore (. JKS) using keytool. Instead, you must convert the certificate and private key into a PKCS 12 (. p12) file, and then you can import the PKCS 12 file into your keystore.

How to create a public private key pair in Java? ›

Generate Public and Private Keys
  1. Create a Key Pair Generator. The first step is to get a key-pair generator object for generating keys for the DSA signature algorithm. ...
  2. Initialize the Key-Pair Generator. The next step is to initialize the key-pair generator. ...
  3. Generate the Pair of Keys.

How to create a key pair in keystore? ›

Step 1: Create a keystore, key pair, and certificate
  1. Select Tools > Generate Key Pair.
  2. In Generate Key Pair, choose the following algorithm selection options: ...
  3. Click OK. ...
  4. From Generate Key Pair Certificate, click the Edit name icon Edit Name dialog.
  5. Complete the Name fields: ...
  6. Click OK.

How to generate public private key pair using keytool? ›

9.3. Create a Private/Public Key Pair with Keytool
  1. Run the keytool -genkey -alias ALIAS -keyalg ALGORITHM -validity DAYS -keystore server.keystore -storetype TYPE command: ...
  2. If the specified keystore already exists, enter the existing password for that keystore, otherwise enter a new password:

How to create a private public key pair using OpenSSL? ›

Generating Public and Private Keys with openssl.exe
  1. Generating the Private Key -- Windows.
  2. openssl genrsa -out rsa.private 1024.
  3. Generating the Public Key -- Windows.
  4. openssl rsa -in rsa.private -out rsa.public -pubout -outform PEM.
  5. Generating the Private Key -- Linux.
  6. openssl genrsa -out rsa.private 1024.

How do I pair a private key with a certificate? ›

Go to the menu option 'File', followed by the option 'Add/Remove Snap-in'. Click on 'Certificates' and click on 'Add'. Select the correct account in the Certificates Snap-in window and click on 'Next'. Select Local Computer from the Select Computer window, and click 'Finish'.

What is the private key alias in Keytool? ›

The private key associated with alias is used to create the PKCS #10 certificate request. To access the private key, the correct password must be provided. If -keypass isn't provided at the command line and is different from the password used to protect the integrity of the keystore, then the user is prompted for it.

How to generate a JKS keystore with existing private key? ›

Creating Java Keystore(JKS) with Private Key and Certificate...
  1. Overview.
  2. Technical Prerequisites.
  3. Extract Certificate and Private Key.
  4. Create .cer file from .pem file.
  5. Create Java Keystore File.
  6. Download Connected System Certificate.
  7. Import Connected System Root Certificate to Keystore.
  8. Destination Configuration.

What are public private key pairs? ›

What is public key cryptography? Public key cryptography is a method of encrypting or signing data with two different keys and making one of the keys, the public key, available for anyone to use. The other key is known as the private key. Data encrypted with the public key can only be decrypted with the private key.

How do I create a private and public SSL key? ›

OpenSSL: Create a public/private key file pair [top]
  1. You will need to have OpenSSL installed.
  2. Create a new directory on your C drive and give it an appropriate name (i.e., Test).
  3. Open a Command Prompt window and go to the new directory. ...
  4. Type the path of the OpenSSL install directory, followed by the RSA key algorithm.

What is the tool which creates a public private key pair in Windows? ›

This public and private cryptographic key pair is used during compilation to create a strong-named assembly. You can create a key pair using the Strong Name tool (Sn.exe). Key pair files usually have an . snk extension.

How to create a keystore file using KeyTool? ›

Generating keystore files
  1. Change the directory to the following: $CCM_HOME/jre/bin.
  2. Use the standard JDK keytool utility to generate and load a new key and a self-signed certificate. To create the key, type the following command: keytool -genkey -keystore keystore_file -keyalg RSA –alias machinename.

How to create a key pair in keystore Explorer? ›

Content
  1. Download Keystore Explorer. ...
  2. Run Keystore Explorer.
  3. File>New>Choose JKS.
  4. Generate a new key pair.
  5. Choose RSA and SHA256.
  6. Click the name icon to enter your new certificate information.
  7. Click OK.
  8. Click Add Extensions>Plus Icon.

How to import keystore using keytool? ›

Use the -importkeystore command to import a single entry or all entries from a source keystore to a destination keystore. Note: If you do not specify -destkeystore when using the keytool -importkeystore command, then the default keystore used is $HOME/. keystore .

How to generate public private key pair mac? ›

Generate an SSH Key Pair
  1. Open a new Terminal window.
  2. Type ssh-keygen -b 4096 -t rsa.
  3. You will be prompted to enter a filename. ...
  4. When prompted, enter a passphrase.
  5. This will created a hidden directory called .ssh that contains both your public (id_rsa.pub) and private (id_rsa.)
Feb 7, 2022

How to generate public private key pair for sFTP? ›

Generate your public/private key pair

Start PuTTYgen, and choose a type of key to generate and keysize. If you are unsure what to choose, just copy the settings shown below. Click the Generate button. PuTTYgen will then ask you to wiggle your mouse around for a while to help it generate the key.

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