|
|||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Objectjavax.crypto.SecretKeyFactorySpi
com.ibm.crypto.provider.RC4SecretKeyFactory
public final class RC4SecretKeyFactory
This class implements the RC4 key factory of the IBM Provider.
Constructor Summary | |
---|---|
RC4SecretKeyFactory()
Verify the JCE framework in the constructor. |
Method Summary | |
---|---|
protected SecretKey |
engineGenerateSecret(KeySpec keySpec)
Generates a SecretKey object from the
provided key specification (key material). |
protected KeySpec |
engineGetKeySpec(SecretKey key,
Class keySpec)
Returns a specification (key material) of the given key object in the requested format. |
protected SecretKey |
engineTranslateKey(SecretKey key)
Translates a key object, whose provider may be unknown or potentially untrusted, into a corresponding key object of this secret-key factory. |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
---|
public RC4SecretKeyFactory()
SecurityException
- if fails to verify
the JCE framework.Method Detail |
---|
protected SecretKey engineGenerateSecret(KeySpec keySpec) throws InvalidKeySpecException
SecretKey
object from the
provided key specification (key material).
engineGenerateSecret
in class SecretKeyFactorySpi
keySpec
- the specification (key material) of the secret key
InvalidKeySpecException
- if the given key specification
is inappropriate for this secret-key factory to produce a secret key.protected KeySpec engineGetKeySpec(SecretKey key, Class keySpec) throws InvalidKeySpecException
engineGetKeySpec
in class SecretKeyFactorySpi
key
- the keykeySpec
- the requested format in which the key material shall be
returned
InvalidKeySpecException
- if the requested key specification is
inappropriate for the given key (e.g., the algorithms associated with
key
and keySpec
do not match, or
key
references a key on a cryptographic hardware device
whereas keySpec
is the specification of a software-based
key), or the given key cannot be dealt with
(e.g., the given key has an algorithm or format not supported by this
secret-key factory).protected SecretKey engineTranslateKey(SecretKey key) throws InvalidKeyException
engineTranslateKey
in class SecretKeyFactorySpi
key
- the key whose provider is unknown or untrusted
InvalidKeyException
- if the given key cannot be processed
by this secret-key factory.
|
|||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |