MessageDigestSpi


MessageDigestSpi java.security

Java 1.2

This abstract class defines the service-provider interface for MessageDigest . A security provider must implement a concrete subclass of this class for each message-digest algorithm it supports. Applications never need to use or subclass this class.

 public abstract class  MessageDigestSpi  {  // Public Constructors  public  MessageDigestSpi  ( );  // Public Methods Overriding Object  public Object  clone  ( ) throws CloneNotSupportedException;  // Protected Instance Methods  protected abstract byte[ ]  engineDigest  ( );        protected int  engineDigest  (byte[ ]  buf  , int  offset  , int  len  )           throws DigestException;        protected int  engineGetDigestLength  ( );  constant  protected abstract void  engineReset  ( );        protected abstract void  engineUpdate  (byte  input  );  5.0  protected void  engineUpdate  (java.nio.ByteBuffer  input  );        protected abstract void  engineUpdate  (byte[ ]  input  , int  offset  , int  len  );   } 

Subclasses

MessageDigest



Java In A Nutshell
Java In A Nutshell, 5th Edition
ISBN: 0596007736
EAN: 2147483647
Year: 2004
Pages: 1220

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