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## Package xjava.security

Interface Summary
AsymmetricCipher | This interface is implemented by asymmetric (public-key) ciphers.
ExtendedKeyGenerator | The KeyGenerator class in JavaSoft's original version of JCE does not provide these essential features: ability to set key lengths, for algorithms that support more than one length.
FeedbackCipher | An interface implemented by algorithms that use feedback.
Padding | Deprecated.
Parameterized | This interface is implemented by algorithm objects that may be parameterized (i.e.
SecretKey | A secret key.
SymmetricCipher | This interface is implemented by symmetric ciphers.
VariableLengthDigest | This interface defines the additional API for MessageDigest classes that have a variable-length output.

Class Summary
Cipher | This class is used to provide the functionality of a general purpose encryption algorithm, such as DES or RSA.
CipherInputStream | A FilterInputStream that encrypts or decrypts the data passing through it.
CipherOutputStream | A FilterOutputStream that encrypts or decrypts the data passing through it.
IJCE | The IJCE class provides an interface to features that were not present in JavaSoft's initial version of JCE.
KeyGenerator | The KeyGenerator class is used to generate keys for a given algorithm.
Mode | This class is used to provide the functionality of an encryption mode, such as CBC, CFB, or OFB.
PaddingScheme | This class is extended by classes that provide a general-purpose padding scheme, such as the ones described in PKCS #5 or in RFC 1423 (PEM).

Exception Summary
GeneralSecurityException | This is the general security exception class, which serves to group all the exception classes of the `java.security` package that extend from it.
IllegalBlockSizeException | This exception is thrown when an incorrect block size is processed through a cipher.
InvalidKeyFormatException | InvalidKeyFormatException is thrown when a key format is not recognized.
InvalidParameterTypeException | This is the exception for invalid parameter types.
NoSuchParameterException | NoSuchParameterException is thrown when a particular parameter is not available in an algorithm parameter set.
WeakKeyException | WeakKeyException is thrown when a weak key would have been generated (e.g.

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