Name
Class java.security.MessageDigestSpi
Synopsis
This is the service provider interface for the message digest engine;
if you want to implement your own message digest class, you do so by
extending this class and registering your implementation with an
appropriate security provider. Since the
MessageDigest
class itself extends this class,
you may also extend the MessageDigest
class
directly. Implementations of this class are expected to accumulate a
hash value over data that is fed to it as a series of arbitrary
bytes.
Class Definition
public abstract class java.security.MessageDigestSpi extends java.lang.Object { // Constructors public MessageDigestSpi( ); // Instance Methods public Object clone( ); // Protected Instance Methods protected abstract byte[] engineDigest( ); protected int engineDigest(byte[], int, int); protected int engineGetDigestLength( ); protected abstract void engineReset( ); protected abstract void engineUpdate(byte); protected abstract void engineUpdate(byte[], int, int); }
See also
MessageDigest
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