com.ergotech.util

Class SHA256Util

java.lang.Object

com.ergotech.util.SHA256Util

public abstract class SHA256Util
extends java.lang.Object

This class provides utilities for creating and manipulating SHA256 digests.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	cvsRev

Constructor Summary

Constructors

Constructor and Description
SHA256Util()

Method Summary

Modifier and Type	Method and Description
static java.lang.String	bytesToHex(byte[] bytes) Convert a byte array to a hex representation
static java.lang.String	createSHA256Digest(byte[] source) Creates a digest from the given byte stream as hex.
static boolean	equals(byte[] source, java.lang.String existingHash) Returns true if the has of the passed stream is equal to the existing hash.
static byte[]	hexStringToByteArray(java.lang.String s) Converts a hex string to a byte array.

Methods inherited from class java.lang.Object

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

Field Detail

cvsRev

public static final java.lang.String cvsRev

See Also:

Constant Field Values

Constructor Detail

SHA256Util

public SHA256Util()

Method Detail

bytesToHex

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

Convert a byte array to a hex representation

Parameters:

bytes -

Returns:

createSHA256Digest

public static java.lang.String createSHA256Digest(byte[] source)

Creates a digest from the given byte stream as hex.

equals

public static boolean equals(byte[] source,
                             java.lang.String existingHash)

Returns true if the has of the passed stream is equal to the existing hash.

Parameters:

source - the byte to be hashed and compared

existingHash - the existing hash to compare against.

Returns:

true if the digests are equal, otherwise false.

hexStringToByteArray

public static byte[] hexStringToByteArray(java.lang.String s)

Converts a hex string to a byte array. String must be even length.

Parameters:

s -

Returns: