com.wizzardo.tools.security
Class Hash

java.lang.Object
  com.wizzardo.tools.security.Hash

Direct Known Subclasses:

MD5, SHA1, SHA256

public abstract class Hash
extends java.lang.Object

Created by wizzardo on 12.03.15.

Constructor Summary

Hash(java.lang.String name)

Method Summary

byte[]	asBytes()
void	asBytes(byte[] bytes)
void	asBytes(byte[] bytes, int offset)
java.lang.String	asString()
boolean	check(byte[] b, byte[] hashBytes) get hash from given bytes and check for equals it with hashBytes
boolean	check(java.lang.String value, java.lang.String hashString) get hash from given string and check for equals it with hashString
protected abstract int	hexStringLength()
protected java.security.MessageDigest	init(java.lang.String name)
Hash	reset()
java.lang.String	toString()
Hash	update(byte b)
Hash	update(byte[] b)
Hash	update(byte[] b, int offset, int length)
Hash	update(java.io.InputStream in)
Hash	update(java.lang.String s) update hash with getBytes(UTF8)

Methods inherited from class java.lang.Object

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

Constructor Detail

Hash

public Hash(java.lang.String name)

Method Detail

init

protected java.security.MessageDigest init(java.lang.String name)

hexStringLength

protected abstract int hexStringLength()

update

public Hash update(byte[] b,
                   int offset,
                   int length)

reset

public Hash reset()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

update

public Hash update(byte[] b)

update

public Hash update(java.lang.String s)

update hash with getBytes(UTF8)

update

public Hash update(byte b)

asString

public java.lang.String asString()

Returns:

hash as hex string

asBytes

public byte[] asBytes()

Returns:

hash as bytes

asBytes

public void asBytes(byte[] bytes)

asBytes

public void asBytes(byte[] bytes,
                    int offset)

update

public Hash update(java.io.InputStream in)
            throws java.io.IOException

Throws:

java.io.IOException

check

public boolean check(java.lang.String value,
                     java.lang.String hashString)

get hash from given string and check for equals it with hashString

check

public boolean check(byte[] b,
                     byte[] hashBytes)

get hash from given bytes and check for equals it with hashBytes