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Java Source Code / Java Documentation » Web Mail » Jwma » dtw.webmail.util

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

dtw.webmail.util .MD5

MD5

final public class MD5 (Code)

This class implements the MD5 algorithm.

The specification is available from RFC 1321, and there are numerous implementations out there, this one was tuned specifically for hashing short strings (i.e. passwords).

I do not recommend to use this implementation for anything else but that, and if anybody feels that this code is to "close" to something available on the net, please contact me, and I will certainly take steps to clear up the situation.

Method Summary
final public static String	asHex(byte[] data) Returns a `String` containing unsigned hexadecimal numbers as digits.
final public static byte[]	digest(byte[] msg) Returns the MD5 hash of the input data. Following the the MD5 standard specification, the result is returned least significant byte first, however, many applications use the most significant byte first (more conventional). Parameters: msg - the `byte[]` to be digested.
final public static String	hash(String str) Returns the MD5 hash digest transformed into a hex representation as `String`.
public static void	main(String[] args) A main, to allow using this class from the command line.

Method Detail

asHex
final public static String asHex(byte[] data)(Code)
	Returns a `String` containing unsigned hexadecimal numbers as digits. Contains two hex digit characters for each byte from the passed in `byte[]`. Parameters: data - the array of bytes to be converted into a hex-string. the generated hexadecimal representation as`String`.

digest
final public static byte[] digest(byte[] msg)(Code)
	Returns the MD5 hash of the input data. Following the the MD5 standard specification, the result is returned least significant byte first, however, many applications use the most significant byte first (more conventional). Parameters: msg - the `byte[]` to be digested. the MD5 hash of the data as `String`.

hash
final public static String hash(String str)(Code)
	Returns the MD5 hash digest transformed into a hex representation as `String`. the MD5 hash of the input as `String`.

main
public static void main(String[] args)(Code)
	A main, to allow using this class from the command line.

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)

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