com.phloc.commons.messagedigest

Class MessageDigestGeneratorHelper

java.lang.Object

com.phloc.commons.messagedigest.MessageDigestGeneratorHelper

@Immutable
public final class MessageDigestGeneratorHelper
extends Object

Contains helper classes for handling message digests and there results.

Author:

Philip Helger

Method Summary

Methods

Modifier and Type	Method and Description
static byte[]	getDigest(byte[] aContent, EMessageDigestAlgorithm... aAlgorithms)
static byte[]	getDigest(byte[] aContent, int nOfs, int nLength, EMessageDigestAlgorithm... aAlgorithms)
static byte[]	getDigest(EMessageDigestAlgorithm eAlgorithm, byte[] aBytes)
static byte[]	getDigest(EMessageDigestAlgorithm eAlgorithm, byte[] aBytes, int nOfs, int nLength)
static byte[]	getDigest(EMessageDigestAlgorithm eAlgorithm, String sText, Charset aCharset)
static byte[]	getDigest(EMessageDigestAlgorithm eAlgorithm, String sText, String sCharset) Deprecated.
static byte[]	getDigest(String sContent, Charset aCharset, EMessageDigestAlgorithm... aAlgorithms)
static byte[]	getDigest(String sContent, String sCharset, EMessageDigestAlgorithm... aAlgorithms) Deprecated.
static byte[]	getDigestFromInputStream(InputStream aIS, EMessageDigestAlgorithm... aAlgorithms) Create a hash value from the complete input stream.
static String	getHexValueFromDigest(byte[] aDigest)
static long	getLongFromDigest(byte[] aDigest)

Methods inherited from class java.lang.Object

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

Method Detail

getLongFromDigest

public static long getLongFromDigest(@Nonnull
                     byte[] aDigest)

getHexValueFromDigest

@Nonnull
public static String getHexValueFromDigest(@Nonnull
                                   byte[] aDigest)

getDigest

@Nonnull
@Deprecated
public static byte[] getDigest(@Nonnull
                                  EMessageDigestAlgorithm eAlgorithm,
                                  @Nonnull
                                  String sText,
                                  @Nonnull@Nonempty
                                  String sCharset)

Deprecated.

getDigest

@Nonnull
public static byte[] getDigest(@Nonnull
                       EMessageDigestAlgorithm eAlgorithm,
                       @Nonnull
                       String sText,
                       @Nonnull
                       Charset aCharset)

getDigest

@Nonnull
public static byte[] getDigest(@Nonnull
                       EMessageDigestAlgorithm eAlgorithm,
                       @Nonnull
                       byte[] aBytes)

getDigest

@Nonnull
public static byte[] getDigest(@Nonnull
                       EMessageDigestAlgorithm eAlgorithm,
                       @Nonnull
                       byte[] aBytes,
                       @Nonnegative
                       int nOfs,
                       @Nonnegative
                       int nLength)

getDigest

@Nonnull
@Deprecated
public static byte[] getDigest(@Nonnull
                                  String sContent,
                                  @Nonnull@Nonempty
                                  String sCharset,
                                  @Nonnull@Nonempty
                                  EMessageDigestAlgorithm... aAlgorithms)

Deprecated.

getDigest

@Nonnull
public static byte[] getDigest(@Nonnull
                       String sContent,
                       @Nonnull
                       Charset aCharset,
                       @Nonnull@Nonempty
                       EMessageDigestAlgorithm... aAlgorithms)

getDigest

@Nonnull
public static byte[] getDigest(@Nonnull
                       byte[] aContent,
                       @Nonnull@Nonempty
                       EMessageDigestAlgorithm... aAlgorithms)

getDigest

@Nonnull
public static byte[] getDigest(@Nonnull
                       byte[] aContent,
                       @Nonnegative
                       int nOfs,
                       @Nonnegative
                       int nLength,
                       @Nonnull@Nonempty
                       EMessageDigestAlgorithm... aAlgorithms)

getDigestFromInputStream

@Nonnull
public static byte[] getDigestFromInputStream(@Nonnull@WillClose
                                      InputStream aIS,
                                      @Nonnull@Nonempty
                                      EMessageDigestAlgorithm... aAlgorithms)

Create a hash value from the complete input stream.

Parameters:

aIS - The input stream to create the hash value from. May not be null.

aAlgorithms - The list of algorithms to choose the first one from. May neither be null nor empty.

Returns:

The non-null message digest byte array