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## 11.3.1 Create Public and Private Key Pair

This topic provides information about creating the public and private key pair.

Browse to the bin folder of JRE from the command prompt and type the following command. The items highlighted are placeholders, and should be replaced with suitable values when running the command.

    keytool -genkeypair -alias alias -keyalg keyalg -keysize keysize - sigalg sigalg -validity valDays -keystore keystore

Table 11-8 Command Details

Keyword | Description
--- | ---
`alias` | Used to identify the public and private key pair created. This alias is required later when configuring the SSL attributes for the managed servers in Oracle Weblogic Server.
`keyalg` | It is a key algorithm used to generate the public and private key pair. The RSA key algorithm is recommended.
`keysize` | It is the size of the public and private key pairs generated. A key size of 1024 or more is recommended. Please consult with your CA on the key size support for different types of certificates.
`sigalg` | It is the algorithm used to generate the signature. This algorithm should be compatible with the key algorithm and should be one of the values specified in the Java Cryptography API Specification and Reference.
`valdays` | It is the number of days for which the certificate is to be considered valid. Please consult with your CA on this period.
`keystore` | It is used to specify the location of the JKS file. If no JKS file is present in the path provided, one will be created.

The command prompts for the following attributes of the certificate and keystore:

Table 11-9 Command Details

Attributes | Description
--- | ---
Keystore Password | Specify a password used to access the Keystore. This password needs to be specified later, when configuring the identity store in Kafka server.
Key Password | Specify a password used to access the private key stored in the Keystore. This password needs to be specified later, when configuring the SSL attributes of the managed server(s) in Oracle Weblogic Server.
First and Last Name (CN) | Enter the domain name of the machine used to access Oracle Banking Virtual Account Management. For example, www.example.com.
Name of your Organizational Unit | The name of the department or unit making the request. For example, BDP. Use this field to further identify the SSL Certificate for creating. For example, by department or by physical server.
Name of your Organization | The name of the organization making the certificate request. For example, Oracle Financial Services. It is recommended to use the company or organization's formal name, and this name entered here must match the name found in official records.
Name of your City or Locality | The city in which your organization is physically located. For example, Mumbai.
Name of your State or Province | The state/province in which your organization is physically located. For example, Maharashtra.
Two-letter Country Code for this Unit | The country in which your organization is physically located. For example, US, UK, IN, etc.

Listed below is the example of sample execution of the command:

    D:\Oracle\weblogic11g\jrockit_160_05_R27.6.2-20\bin>keytool -genkeypair -alias cvrhp0729 -keyalg RSA -keysize 1024 -sigalg SHA1withRSA -validity 365 -keystore
    D:\keystores\AdminOBVAMKeyStore.jks
    Enter keystore password: <Enter a password to protect the keystore>
    Re-enter new password: <Confirm the password keyed above>
    What is your first and last name?
      [Unknown]: cvrhp0729.i-flex.com
    What is the name of your organizational unit?
      [Unknown]: BPD
    What is the name of your organization?
      [Unknown]: Oracle Financial Services
    What is the name of your City or Locality?
      [Unknown]: Mumbai
    What is the name of your State or Province?
      [Unknown]: Maharashtra
    What is the two-letter country code for this unit?
      [Unknown]: IN
    Is CN=cvrhp0729.i-flex.com, OU=BPD, O=Oracle Financial Services, L=Mumbai, ST=Maharashtra, C=IN correct? [no]: yes
    Enter key password for <cvrhp0729>
    RETURN if same as keystore password): <Enter a password to protect the key>
    Re-enter new password: <Confirm the password keyed above>

Parent topic: Create Identity Store with Trusted Certificates Issued by CA