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JDK 5 Documentation v1.4.1, Java 2 SDK 英文文档
NullCipher (Java 2 Platform SE v1.4.1) - JDK 5 Documentation v1.4.1, Java 2 SDK 英文文档
javax.crypto
Class NullCipher
java.lang.Object
|
+--javax.crypto.Cipher
|
+--javax.crypto.NullCipher
- public class NullCipher
- extends Cipher
The NullCipher class is a class that provides an
"identity cipher" -- one that does not tranform the plaintext. As
a consequence, the ciphertext is identical to the plaintext. All
initialization methods do nothing, while the blocksize is set to 1
byte.
- Since:
- 1.4
Methods inherited from class javax.crypto.Cipher |
doFinal, doFinal, doFinal, doFinal, doFinal, doFinal, getAlgorithm, getBlockSize, getExemptionMechanism, getInstance, getInstance, getInstance, getIV, getOutputSize, getParameters, getProvider, init, init, init, init, init, init, init, init, unwrap, update, update, update, update, wrap |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
NullCipher
public NullCipher()
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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples. Copyright 2002 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms.