org.openptk.util
Class Digest

java.lang.Object
  org.openptk.util.Digest

public class Digest
extends java.lang.Object

Generates a digest (SHA) from a String or byte[].

Author:

Scott Fehrman, Sun Microsystems, Inc.

Field Summary

static java.lang.String	ALGORITHM_DEFAULT
static java.lang.String[]	ALGORITHM_PREFIXS
static java.lang.String	ALGORITHM_SHA

Method Summary

static java.lang.String	generate(byte[] bytes) Generate a digest (String) from the byte[].
static java.lang.String	generate(java.lang.String str) Generate a digest (String) from the String.
static boolean	isHashed(java.lang.String str)
static void	main(java.lang.String[] args)
static boolean	validate(java.lang.String hashed, byte[] bytes)
static boolean	validate(java.lang.String hashed, java.lang.String str)

Methods inherited from class java.lang.Object

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

Field Detail

ALGORITHM_DEFAULT

public static final java.lang.String ALGORITHM_DEFAULT

See Also:

Constant Field Values

ALGORITHM_PREFIXS

public static final java.lang.String[] ALGORITHM_PREFIXS

ALGORITHM_SHA

public static final java.lang.String ALGORITHM_SHA

See Also:

Constant Field Values

Method Detail

generate

public static java.lang.String generate(byte[] bytes)

Generate a digest (String) from the byte[].

Parameters:

bytes - byte array used to create the digest

Returns:

String the digest

generate

public static java.lang.String generate(java.lang.String str)

Generate a digest (String) from the String.

Parameters:

str - String used to create the digest

Returns:

String the digest

isHashed

public static boolean isHashed(java.lang.String str)

Parameters:

str - String value will be check to see if it is a hashed String

Returns:

boolean true if it is a hashed String

main

public static void main(java.lang.String[] args)

Parameters:

args - (not used)

validate

public static boolean validate(java.lang.String hashed,
                               byte[] bytes)

Parameters:

hashed - String containing a hash value

bytes - Byte array that will be used to compare with the hash value

Returns:

boolean true if they match

validate

public static boolean validate(java.lang.String hashed,
                               java.lang.String str)

Parameters:

hashed - String containing a hash value

str - String that will be used to compare with the hash value

Returns:

boolean true if they match