Java Doc for ISO9796d1Encoding.java in  » Security » Bouncy-Castle » org » bouncycastle » crypto » encodings » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Security » Bouncy Castle » org.bouncycastle.crypto.encodings   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.bouncycastle.crypto.encodings.ISO9796d1Encoding ISO9796d1Encoding public class ISO9796d1Encoding implements AsymmetricBlockCipher(Code) ISO 9796-1 padding. Note in the light of recent results you should only use this with RSA (rather than the "simpler" Rabin keys) and you should never use it with anything other than a hash (ie. even if the message is small don't sign the message, sign it's hash) or some "random" value. See your favorite search engine for details. Constructor Summary public   ISO9796d1Encoding(AsymmetricBlockCipher cipher)      Method Summary public  int getInputBlockSize()      return the input block size. public  int getOutputBlockSize()      return the maximum possible size for the output. public  int getPadBits()      retrieve the number of pad bits in the last decoded message. public  AsymmetricBlockCipher getUnderlyingCipher()      public  void init(boolean forEncryption, CipherParameters param)      public  byte[] processBlock(byte[] in, int inOff, int inLen)      public  void setPadBits(int padBits)      set the number of bits in the next message to be treated as pad bits. Constructor Detail ISO9796d1Encoding public ISO9796d1Encoding(AsymmetricBlockCipher cipher)(Code) Method Detail getInputBlockSize public int getInputBlockSize()(Code) return the input block size. The largest message we can process is (key_size_in_bits + 3)/16, which in our world comes to key_size_in_bytes / 2. getOutputBlockSize public int getOutputBlockSize()(Code) return the maximum possible size for the output. getPadBits public int getPadBits()(Code) retrieve the number of pad bits in the last decoded message. getUnderlyingCipher public AsymmetricBlockCipher getUnderlyingCipher()(Code) init public void init(boolean forEncryption, CipherParameters param)(Code) processBlock public byte[] processBlock(byte[] in, int inOff, int inLen) throws InvalidCipherTextException(Code) setPadBits public void setPadBits(int padBits)(Code) set the number of bits in the next message to be treated as pad bits. Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)