org.apache.commons.codec.digest
Class DigestUtils

java.lang.Object
  org.apache.commons.codec.digest.DigestUtils

public class DigestUtils
extends Object

Operations to simplifiy common MessageDigest tasks. This class is thread safe.

Version:

$Id: DigestUtils.java 801391 2009-08-05 19:55:54Z ggregory $

Author:

Apache Software Foundation

Constructor Summary

DigestUtils()

Method Summary

static byte[]	md5(byte[] data) Calculates the MD5 digest and returns the value as a 16 element byte[].
static byte[]	md5(InputStream data) Calculates the MD5 digest and returns the value as a 16 element byte[].
static byte[]	md5(String data) Calculates the MD5 digest and returns the value as a 16 element byte[].
static String	md5Hex(byte[] data) Calculates the MD5 digest and returns the value as a 32 character hex string.
static String	md5Hex(InputStream data) Calculates the MD5 digest and returns the value as a 32 character hex string.
static String	md5Hex(String data) Calculates the MD5 digest and returns the value as a 32 character hex string.
static byte[]	sha(byte[] data) Calculates the SHA-1 digest and returns the value as a byte[].
static byte[]	sha(InputStream data) Calculates the SHA-1 digest and returns the value as a byte[].
static byte[]	sha(String data) Calculates the SHA-1 digest and returns the value as a byte[].
static byte[]	sha256(byte[] data) Calculates the SHA-256 digest and returns the value as a byte[].
static byte[]	sha256(InputStream data) Calculates the SHA-256 digest and returns the value as a byte[].
static byte[]	sha256(String data) Calculates the SHA-256 digest and returns the value as a byte[].
static String	sha256Hex(byte[] data) Calculates the SHA-256 digest and returns the value as a hex string.
static String	sha256Hex(InputStream data) Calculates the SHA-256 digest and returns the value as a hex string.
static String	sha256Hex(String data) Calculates the SHA-256 digest and returns the value as a hex string.
static byte[]	sha384(byte[] data) Calculates the SHA-384 digest and returns the value as a byte[].
static byte[]	sha384(InputStream data) Calculates the SHA-384 digest and returns the value as a byte[].
static byte[]	sha384(String data) Calculates the SHA-384 digest and returns the value as a byte[].
static String	sha384Hex(byte[] data) Calculates the SHA-384 digest and returns the value as a hex string.
static String	sha384Hex(InputStream data) Calculates the SHA-384 digest and returns the value as a hex string.
static String	sha384Hex(String data) Calculates the SHA-384 digest and returns the value as a hex string.
static byte[]	sha512(byte[] data) Calculates the SHA-512 digest and returns the value as a byte[].
static byte[]	sha512(InputStream data) Calculates the SHA-512 digest and returns the value as a byte[].
static byte[]	sha512(String data) Calculates the SHA-512 digest and returns the value as a byte[].
static String	sha512Hex(byte[] data) Calculates the SHA-512 digest and returns the value as a hex string.
static String	sha512Hex(InputStream data) Calculates the SHA-512 digest and returns the value as a hex string.
static String	sha512Hex(String data) Calculates the SHA-512 digest and returns the value as a hex string.
static String	shaHex(byte[] data) Calculates the SHA-1 digest and returns the value as a hex string.
static String	shaHex(InputStream data) Calculates the SHA-1 digest and returns the value as a hex string.
static String	shaHex(String data) Calculates the SHA-1 digest and returns the value as a hex string.

Methods inherited from class java.lang.Object

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

Constructor Detail

DigestUtils

public DigestUtils()

Method Detail

md5

public static byte[] md5(byte[] data)

Calculates the MD5 digest and returns the value as a 16 element byte[].

Parameters:

data - Data to digest

Returns:

MD5 digest

md5

public static byte[] md5(InputStream data)
                  throws IOException

Calculates the MD5 digest and returns the value as a 16 element byte[].

Parameters:

data - Data to digest

Returns:

MD5 digest

Throws:

IOException - On error reading from the stream

Since:

1.4

md5

public static byte[] md5(String data)

Calculates the MD5 digest and returns the value as a 16 element byte[].

Parameters:

data - Data to digest

Returns:

MD5 digest

md5Hex

public static String md5Hex(byte[] data)

Calculates the MD5 digest and returns the value as a 32 character hex string.

Parameters:

data - Data to digest

Returns:

MD5 digest as a hex string

md5Hex

public static String md5Hex(InputStream data)
                     throws IOException

Calculates the MD5 digest and returns the value as a 32 character hex string.

Parameters:

data - Data to digest

Returns:

MD5 digest as a hex string

Throws:

IOException - On error reading from the stream

Since:

1.4

md5Hex

public static String md5Hex(String data)

Calculates the MD5 digest and returns the value as a 32 character hex string.

Parameters:

data - Data to digest

Returns:

MD5 digest as a hex string

sha

public static byte[] sha(byte[] data)

Calculates the SHA-1 digest and returns the value as a byte[].

Parameters:

data - Data to digest

Returns:

SHA-1 digest

sha

public static byte[] sha(InputStream data)
                  throws IOException

Calculates the SHA-1 digest and returns the value as a byte[].

Parameters:

data - Data to digest

Returns:

SHA-1 digest

Throws:

IOException - On error reading from the stream

Since:

1.4

sha

public static byte[] sha(String data)

Calculates the SHA-1 digest and returns the value as a byte[].

Parameters:

data - Data to digest

Returns:

SHA-1 digest

sha256

public static byte[] sha256(byte[] data)

Calculates the SHA-256 digest and returns the value as a byte[].

Throws a RuntimeException on JRE versions prior to 1.4.0.

Parameters:

data - Data to digest

Returns:

SHA-256 digest

Since:

1.4

sha256

public static byte[] sha256(InputStream data)
                     throws IOException

Calculates the SHA-256 digest and returns the value as a byte[].

Throws a RuntimeException on JRE versions prior to 1.4.0.

Parameters:

data - Data to digest

Returns:

SHA-256 digest

Throws:

IOException - On error reading from the stream

Since:

1.4

sha256

public static byte[] sha256(String data)

Calculates the SHA-256 digest and returns the value as a byte[].

Throws a RuntimeException on JRE versions prior to 1.4.0.

Parameters:

data - Data to digest

Returns:

SHA-256 digest

Since:

1.4

sha256Hex

public static String sha256Hex(byte[] data)

Calculates the SHA-256 digest and returns the value as a hex string.

Throws a RuntimeException on JRE versions prior to 1.4.0.

Parameters:

data - Data to digest

Returns:

SHA-256 digest as a hex string

Since:

1.4

sha256Hex

public static String sha256Hex(InputStream data)
                        throws IOException

Calculates the SHA-256 digest and returns the value as a hex string.

Throws a RuntimeException on JRE versions prior to 1.4.0.

Parameters:

data - Data to digest

Returns:

SHA-256 digest as a hex string

Throws:

IOException - On error reading from the stream

Since:

1.4

sha256Hex

public static String sha256Hex(String data)

Calculates the SHA-256 digest and returns the value as a hex string.

Throws a RuntimeException on JRE versions prior to 1.4.0.

Parameters:

data - Data to digest

Returns:

SHA-256 digest as a hex string

Since:

1.4

sha384

public static byte[] sha384(byte[] data)

Calculates the SHA-384 digest and returns the value as a byte[].

Throws a RuntimeException on JRE versions prior to 1.4.0.

Parameters:

data - Data to digest

Returns:

SHA-384 digest

Since:

1.4

sha384

public static byte[] sha384(InputStream data)
                     throws IOException

Calculates the SHA-384 digest and returns the value as a byte[].

Throws a RuntimeException on JRE versions prior to 1.4.0.

Parameters:

data - Data to digest

Returns:

SHA-384 digest

Throws:

IOException - On error reading from the stream

Since:

1.4

sha384

public static byte[] sha384(String data)

Calculates the SHA-384 digest and returns the value as a byte[].

Throws a RuntimeException on JRE versions prior to 1.4.0.

Parameters:

data - Data to digest

Returns:

SHA-384 digest

Since:

1.4

sha384Hex

public static String sha384Hex(byte[] data)

Calculates the SHA-384 digest and returns the value as a hex string.

Throws a RuntimeException on JRE versions prior to 1.4.0.

Parameters:

data - Data to digest

Returns:

SHA-384 digest as a hex string

Since:

1.4

sha384Hex

public static String sha384Hex(InputStream data)
                        throws IOException

Calculates the SHA-384 digest and returns the value as a hex string.

Throws a RuntimeException on JRE versions prior to 1.4.0.

Parameters:

data - Data to digest

Returns:

SHA-384 digest as a hex string

Throws:

IOException - On error reading from the stream

Since:

1.4

sha384Hex

public static String sha384Hex(String data)

Calculates the SHA-384 digest and returns the value as a hex string.

Throws a RuntimeException on JRE versions prior to 1.4.0.

Parameters:

data - Data to digest

Returns:

SHA-384 digest as a hex string

Since:

1.4

sha512

public static byte[] sha512(byte[] data)

Calculates the SHA-512 digest and returns the value as a byte[].

Throws a RuntimeException on JRE versions prior to 1.4.0.

Parameters:

data - Data to digest

Returns:

SHA-512 digest

Since:

1.4

sha512

public static byte[] sha512(InputStream data)
                     throws IOException

Calculates the SHA-512 digest and returns the value as a byte[].

Throws a RuntimeException on JRE versions prior to 1.4.0.

Parameters:

data - Data to digest

Returns:

SHA-512 digest

Throws:

IOException - On error reading from the stream

Since:

1.4

sha512

public static byte[] sha512(String data)

Calculates the SHA-512 digest and returns the value as a byte[].

Throws a RuntimeException on JRE versions prior to 1.4.0.

Parameters:

data - Data to digest

Returns:

SHA-512 digest

Since:

1.4

sha512Hex

public static String sha512Hex(byte[] data)

Calculates the SHA-512 digest and returns the value as a hex string.

Throws a RuntimeException on JRE versions prior to 1.4.0.

Parameters:

data - Data to digest

Returns:

SHA-512 digest as a hex string

Since:

1.4

sha512Hex

public static String sha512Hex(InputStream data)
                        throws IOException

Calculates the SHA-512 digest and returns the value as a hex string.

Throws a RuntimeException on JRE versions prior to 1.4.0.

Parameters:

data - Data to digest

Returns:

SHA-512 digest as a hex string

Throws:

IOException - On error reading from the stream

Since:

1.4

sha512Hex

public static String sha512Hex(String data)

Calculates the SHA-512 digest and returns the value as a hex string.

Throws a RuntimeException on JRE versions prior to 1.4.0.

Parameters:

data - Data to digest

Returns:

SHA-512 digest as a hex string

Since:

1.4

shaHex

public static String shaHex(byte[] data)

Calculates the SHA-1 digest and returns the value as a hex string.

Parameters:

data - Data to digest

Returns:

SHA-1 digest as a hex string

shaHex

public static String shaHex(InputStream data)
                     throws IOException

Calculates the SHA-1 digest and returns the value as a hex string.

Parameters:

data - Data to digest

Returns:

SHA-1 digest as a hex string

Throws:

IOException - On error reading from the stream

Since:

1.4

shaHex

public static String shaHex(String data)

Calculates the SHA-1 digest and returns the value as a hex string.

Parameters:

data - Data to digest

Returns:

SHA-1 digest as a hex string