org.josef.util.security

Class Hash

java.lang.Object

org.josef.util.security.Hash

public final class Hash
extends Object

Hash Utility class.

Version:

1.0 $Revision: 5209 $

Author:

Kees Schotanus

See Also:

MessageDigest

Method Summary

Modifier and Type	Method and Description
static String	hash(File file, HashingAlgorithm algorithm) Hashes input from the supplied file, using the supplied algorithm.
static String	hash(String message, HashingAlgorithm algorithm) Hashes the supplied message using the supplied algorithm.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

hash

public static String hash(String message,
                          HashingAlgorithm algorithm)

Hashes the supplied message using the supplied algorithm.

Parameters:

message - The message to hash.

algorithm - The hashing algorithm to perform the hashing.

Returns:

The hash value.

Throws:

HashingException - When the supplied message could not be hashed.

NullPointerException - When either the supplied message or algorithm is null.

hash

public static String hash(File file,
                          HashingAlgorithm algorithm)

Hashes input from the supplied file, using the supplied algorithm.
The result is a checksum.

Parameters:

file - The file to hash.

algorithm - The hashing algorithm to perform the hashing.

Returns:

The hash value.

Throws:

HashingException - When the data from the supplied file could not be hashed.

NullPointerException - When either the supplied file or algorithm is null.