Java Doc for MessageDigestSpi.java in  » Parser » Rats-Parser-Generators » java » security » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Parser » Rats Parser Generators » java.security   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.security.MessageDigestSpi    java.security.MessageDigest       java.security.MessageDigestSpi MessageDigestSpi abstract public class MessageDigestSpi extends MessageDigest (Code) JDK 1.1 compatibility layer: our hashes derive from the MessageDigestSpi class which is not present in JDK 1.1. In JDK 1.2, MessageDigest extends MessageDigestSpi but in JDK 1.1, MessageDigestSpi extends MessageDigest. This is transparent, except for the fact that the 1.1 MessageDigest constructor needs a String representing the algorithm name. For now we simply set the empty string (""). Should this become a problem,we can revert to 'compatibility mode' and derive our hashes from MessageDigest instead of from MessageDigestSpi. version:    $Revision: 1.1 $ author:    Jeroen C. van Gelderen (gelderen@cryptix.org) Constructor Summary public   MessageDigestSpi()      Constructor Detail MessageDigestSpi public MessageDigestSpi()(Code) Methods inherited from java.security.MessageDigest public Object clone() throws CloneNotSupportedException(Code)(Java Doc) public byte[] digest()(Code)(Java Doc) public int digest(byte[] buf, int offset, int len) throws DigestException(Code)(Java Doc) public byte[] digest(byte[] input)(Code)(Java Doc) final public String getAlgorithm()(Code)(Java Doc) final public int getDigestLength()(Code)(Java Doc) public static MessageDigest getInstance(String algorithm) throws NoSuchAlgorithmException(Code)(Java Doc) public static MessageDigest getInstance(String algorithm, String provider) throws NoSuchAlgorithmException, NoSuchProviderException(Code)(Java Doc) public static MessageDigest getInstance(String algorithm, Provider provider) throws NoSuchAlgorithmException(Code)(Java Doc) final public Provider getProvider()(Code)(Java Doc) public static boolean isEqual(byte digesta, byte digestb)(Code)(Java Doc) public void reset()(Code)(Java Doc) public String toString()(Code)(Java Doc) public void update(byte input)(Code)(Java Doc) public void update(byte[] input, int offset, int len)(Code)(Java Doc) public void update(byte[] input)(Code)(Java Doc) final public void update(ByteBuffer input)(Code)(Java Doc)