| MessageDigestSpi | java.security |
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 |
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