com.opera.core.systems.common.hash

Class MD5

java.lang.Object

com.opera.core.systems.common.hash.MD5

public class MD5
extends Object

Constructor Summary

Constructors

Constructor and Description
MD5()

Method Summary

Methods

Modifier and Type	Method and Description
static byte[]	hash(byte[] bytes) Get the MD5 hash of the given byte array.
static byte[]	hash(File file) Get the MD5 hash of the given file.
static String	of(byte[] bytes) Return the MD5 HEX sum of the given byte array.
static String	of(File file) Return the MD5 HEX sum of the given file.
static String	sum(byte[] bytes) Return the MD5 HEX sum of a hashed MD5 byte array.

Methods inherited from class java.lang.Object

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

Constructor Detail

MD5

public MD5()

Method Detail

sum

public static String sum(byte[] bytes)

Return the MD5 HEX sum of a hashed MD5 byte array.

Parameters:

bytes - the hashed MD5 byte array

Returns:

HEX version of the byte array

hash

public static byte[] hash(byte[] bytes)
                   throws NoSuchAlgorithmException,
                          IOException

Get the MD5 hash of the given byte array.

Parameters:

bytes - a byte array

Returns:

a byte array of the MD5 hash

Throws:

NoSuchAlgorithmException - if MD5 is not available

IOException - if an I/O error occurs

hash

public static byte[] hash(File file)
                   throws NoSuchAlgorithmException,
                          IOException

Get the MD5 hash of the given file.

Parameters:

file - file to compute a hash on

Returns:

a byte array of the MD5 hash

Throws:

IOException - if file cannot be found

NoSuchAlgorithmException - if MD5 is not available

of

public static String of(byte[] bytes)
                 throws NoSuchAlgorithmException,
                        IOException

Return the MD5 HEX sum of the given byte array.

Parameters:

bytes - a byte array

Returns:

HEX version of the hash of the byte array

Throws:

NoSuchAlgorithmException - if MD5 is not available

IOException - if an I/O error occurs

of

public static String of(File file)
                 throws NoSuchAlgorithmException,
                        IOException

Return the MD5 HEX sum of the given file.

Parameters:

file - the file to get the MD5 sum of

Returns:

HEX version of the hash of the byte array

Throws:

NoSuchAlgorithmException - if MD5 is not available

IOException - if an I/O error occurs