public/private keys

Hi Fred,

Following are the steps required are to create a Public/Private Keys:

1. Load the security provider (if not configured in $JAVAHOME/jre/lib/security/java.security)

2. Obtain a handle to a secure random number generator.

3. Obtain a handle to KeyPairGenerator for a specific public key algorithm.

4. Generate the public/private key pair

5. Extract the public and private keys

The following example shows how to generate public and private keys using the KeyPairGenerator and KeyPair interfaces using JCSI's security provider.

import java.security.*;

. . .

// Load JCSI's JCA security provider

Security.addProvider(new com.dstc.security.provider.DSTC());

// Seed random number generator using the default seeding

// "SHA1PRNG" = SHA1 Pseudo-random number generator

SecureRandom random = SecureRandom.getInstance("SHA1PRNG");

// Initialise KeyPairGenerator to create 1024-bit RSA keys.

// PK Algorithm = "RSA", Security Provider = "DSTC" (Wedgetail)

KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA", "DSTC");

keyGen.initialize(1024, random);

// Generate RSA pulic/private key pair

KeyPair keyPair = keyGen.genKeyPair();

// Extract public and private keys

PrivateKey privKey = keyPair.getPrivate();

PublicKey pubKey = keyPair.getPublic();

Hope this will help you.

Regards,

Anil.

Techncial Support Engineer.

ramanil_indts at 2007-6-29 2:43:12 >