Getting the public key from the key pairįollowing example demonstrates the key generation of the secret key using the KeyPairGenerator class of the javax.crypto package.I find this to be a good thing - while it might prohibit the track as released from serving as an extended dance mix, it makes it just long enough to get the point across without rubbing it in too deep. You can get the public key from the generated KeyPair object using the getPublic() method as shown below. Getting the private key from the key pair You can get the private key from the generated KeyPair object using the getPrivate() method as shown below. KeyPair pair = keyPairGen.generateKeyPair() Generate the key pair using this method as shown below. You can generate the KeyPair using the generateKeyPair() method of the KeyPairGenerator class. Initialize the KeyPairGenerator object created in the previous step using this method as shown below. This method accepts an integer value representing the key size. The KeyPairGenerator class provides a method named initialize() this method is used to initialize the key pair generator. Step 2: Initialize the KeyPairGenerator object ![]() KeyPairGenerator keyPairGen = KeyPairGenerator.getInstance("DSA") The KeyPairGenerator class provides getInstance() method which accepts a String variable representing the required key-generating algorithm and returns a KeyPairGenerator object that generates keys.Ĭreate KeyPairGenerator object using the getInstance() method as shown below. To generate keys using the KeyPairGenerator class, follow the steps given below. This class is used to generate pairs of public and private keys. ![]() Java provides the KeyPairGenerator class.
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