bees.core.security
Class KeyGenerator

java.lang.Object
  |
  +--bees.core.security.KeyGenerator

public final class KeyGenerator

extends java.lang.Object

A KeyGenerator is used to manufacture new SecretKey capabilities.

Constructor Summary

KeyGenerator()
Construct an empty KeyGenerator.

Method Summary

SecretKey	generateKey(java.lang.String algorithm, int strength) Generate a new key from the given values and default permissions.
SecretKey	generateKey(java.lang.String algorithm, int strength, PermissionSet ps) Generate a new key from the given values.
SecretKey	generateKey(java.lang.String algorithm, int strength, PermissionSet ps, java.lang.String comment) Generate a new key from the given values.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

KeyGenerator

public KeyGenerator()

Construct an empty KeyGenerator.

Method Detail

generateKey

public SecretKey generateKey(java.lang.String algorithm,
                             int strength,
                             PermissionSet ps,
                             java.lang.String comment)
                      throws java.security.NoSuchAlgorithmException

Generate a new key from the given values.

Parameters:

algorithm - The type of key to generate.

strength - The suggested number of bits the key should have.

comment - A comment to attach to the capability.

ps - The permissions for the new capability.

Returns:

A SecretKey capability.

Throws:

java.security.NoSuchAlgorithmException - if "algorithm" is not available.

generateKey

public SecretKey generateKey(java.lang.String algorithm,
                             int strength,
                             PermissionSet ps)
                      throws java.security.NoSuchAlgorithmException

Generate a new key from the given values.

Parameters:

algorithm - The type of key to generate.

strength - The suggested number of bits the key should have.

ps - The permissions for the new capability.

Returns:

A SecretKey capability.

Throws:

java.security.NoSuchAlgorithmException - if "algorithm" is not available.

generateKey

public SecretKey generateKey(java.lang.String algorithm,
                             int strength)
                      throws java.security.NoSuchAlgorithmException

Generate a new key from the given values and default permissions.

Parameters:

algorithm - The type of key to generate.

strength - The suggested number of bits the key should have.

Returns:

A SecretKey capability.

Throws:

java.security.NoSuchAlgorithmException - if "algorithm" is not available.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

See Also:

Object.toString()