in.clouthink.daas.security.token.repackage.org.apache.commons.codec.digest

类 DigestUtils

java.lang.Object

in.clouthink.daas.security.token.repackage.org.apache.commons.codec.digest.DigestUtils

public class DigestUtils
extends Object

Operations to simplify common MessageDigest tasks. This class is immutable and thread-safe.

版本:

$Id: DigestUtils.java 1634433 2014-10-27 01:10:47Z ggregory $

构造器概要

构造器

构造器和说明
DigestUtils()

方法概要

方法

限定符和类型	方法和说明
static MessageDigest	getDigest(String algorithm) Returns a MessageDigest for the given algorithm.
static MessageDigest	getMd2Digest() Returns an MD2 MessageDigest.
static MessageDigest	getMd5Digest() Returns an MD5 MessageDigest.
static MessageDigest	getSha1Digest() Returns an SHA-1 digest.
static MessageDigest	getSha256Digest() Returns an SHA-256 digest.
static MessageDigest	getSha384Digest() Returns an SHA-384 digest.
static MessageDigest	getSha512Digest() Returns an SHA-512 digest.
static MessageDigest	getShaDigest() 已过时。 Use getSha1Digest()
static byte[]	md2(byte[] data) Calculates the MD2 digest and returns the value as a 16 element byte[].
static byte[]	md2(InputStream data) Calculates the MD2 digest and returns the value as a 16 element byte[].
static byte[]	md2(String data) Calculates the MD2 digest and returns the value as a 16 element byte[].
static String	md2Hex(byte[] data) Calculates the MD2 digest and returns the value as a 32 character hex string.
static String	md2Hex(InputStream data) Calculates the MD2 digest and returns the value as a 32 character hex string.
static String	md2Hex(String data) Calculates the MD2 digest and returns the value as a 32 character hex string.
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) 已过时。 Use sha1(byte[])
static byte[]	sha(InputStream data) 已过时。 Use sha1(java.io.InputStream)
static byte[]	sha(String data) 已过时。 Use sha1(String)
static byte[]	sha1(byte[] data) Calculates the SHA-1 digest and returns the value as a byte[].
static byte[]	sha1(InputStream data) Calculates the SHA-1 digest and returns the value as a byte[].
static byte[]	sha1(String data) Calculates the SHA-1 digest and returns the value as a byte[].
static String	sha1Hex(byte[] data) Calculates the SHA-1 digest and returns the value as a hex string.
static String	sha1Hex(InputStream data) Calculates the SHA-1 digest and returns the value as a hex string.
static String	sha1Hex(String data) Calculates the SHA-1 digest and returns the value as a hex string.
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) 已过时。 Use sha1Hex(byte[])
static String	shaHex(InputStream data) 已过时。 Use sha1Hex(java.io.InputStream)
static String	shaHex(String data) 已过时。 Use sha1Hex(String)
static MessageDigest	updateDigest(MessageDigest messageDigest, byte[] valueToDigest) Updates the given MessageDigest.
static MessageDigest	updateDigest(MessageDigest digest, InputStream data) Reads through an InputStream and updates the digest for the data
static MessageDigest	updateDigest(MessageDigest messageDigest, String valueToDigest) Updates the given MessageDigest.

从类继承的方法 java.lang.Object

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

构造器详细资料

DigestUtils

public DigestUtils()

方法详细资料

getDigest

public static MessageDigest getDigest(String algorithm)

Returns a MessageDigest for the given algorithm.

参数:

algorithm - the name of the algorithm requested. See Appendix A in the Java Cryptography Architecture Reference Guide for information about standard algorithm names.

返回:

A digest instance.

抛出:

IllegalArgumentException - when a NoSuchAlgorithmException is caught.

另请参阅:

MessageDigest.getInstance(String)

getMd2Digest

public static MessageDigest getMd2Digest()

Returns an MD2 MessageDigest.

返回:

An MD2 digest instance.

抛出:

IllegalArgumentException - when a NoSuchAlgorithmException is caught, which should never happen because MD2 is a built-in algorithm

从以下版本开始:

1.7

另请参阅:

MessageDigestAlgorithms.MD2

getMd5Digest

public static MessageDigest getMd5Digest()

Returns an MD5 MessageDigest.

返回:

An MD5 digest instance.

抛出:

IllegalArgumentException - when a NoSuchAlgorithmException is caught, which should never happen because MD5 is a built-in algorithm

另请参阅:

MessageDigestAlgorithms.MD5

getSha1Digest

public static MessageDigest getSha1Digest()

Returns an SHA-1 digest.

返回:

An SHA-1 digest instance.

抛出:

IllegalArgumentException - when a NoSuchAlgorithmException is caught, which should never happen because SHA-1 is a built-in algorithm

从以下版本开始:

1.7

另请参阅:

MessageDigestAlgorithms.SHA_1

getSha256Digest

public static MessageDigest getSha256Digest()

Returns an SHA-256 digest.

Throws a RuntimeException on JRE versions prior to 1.4.0.

返回:

An SHA-256 digest instance.

抛出:

IllegalArgumentException - when a NoSuchAlgorithmException is caught, which should never happen because SHA-256 is a built-in algorithm

另请参阅:

MessageDigestAlgorithms.SHA_256

getSha384Digest

public static MessageDigest getSha384Digest()

Returns an SHA-384 digest.

Throws a RuntimeException on JRE versions prior to 1.4.0.

返回:

An SHA-384 digest instance.

抛出:

IllegalArgumentException - when a NoSuchAlgorithmException is caught, which should never happen because SHA-384 is a built-in algorithm

另请参阅:

MessageDigestAlgorithms.SHA_384

getSha512Digest

public static MessageDigest getSha512Digest()

Returns an SHA-512 digest.

Throws a RuntimeException on JRE versions prior to 1.4.0.

返回:

An SHA-512 digest instance.

抛出:

IllegalArgumentException - when a NoSuchAlgorithmException is caught, which should never happen because SHA-512 is a built-in algorithm

另请参阅:

MessageDigestAlgorithms.SHA_512

getShaDigest

@Deprecated
public static MessageDigest getShaDigest()

已过时。 Use getSha1Digest()

Returns an SHA-1 digest.

返回:

An SHA-1 digest instance.

抛出:

IllegalArgumentException - when a NoSuchAlgorithmException is caught

md2

public static byte[] md2(byte[] data)

Calculates the MD2 digest and returns the value as a 16 element byte[].

参数:

data - Data to digest

返回:

MD2 digest

从以下版本开始:

1.7

md2

public static byte[] md2(InputStream data)
                  throws IOException

Calculates the MD2 digest and returns the value as a 16 element byte[].

参数:

data - Data to digest

返回:

MD2 digest

抛出:

IOException - On error reading from the stream

从以下版本开始:

1.7

md2

public static byte[] md2(String data)

Calculates the MD2 digest and returns the value as a 16 element byte[].

参数:

data - Data to digest; converted to bytes using StringUtils.getBytesUtf8(String)

返回:

MD2 digest

从以下版本开始:

1.7

md2Hex

public static String md2Hex(byte[] data)

Calculates the MD2 digest and returns the value as a 32 character hex string.

参数:

data - Data to digest

返回:

MD2 digest as a hex string

从以下版本开始:

1.7

md2Hex

public static String md2Hex(InputStream data)
                     throws IOException

Calculates the MD2 digest and returns the value as a 32 character hex string.

参数:

data - Data to digest

返回:

MD2 digest as a hex string

抛出:

IOException - On error reading from the stream

从以下版本开始:

1.7

md2Hex

public static String md2Hex(String data)

Calculates the MD2 digest and returns the value as a 32 character hex string.

参数:

data - Data to digest

返回:

MD2 digest as a hex string

从以下版本开始:

1.7

md5

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

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

参数:

data - Data to digest

返回:

MD5 digest

md5

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

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

参数:

data - Data to digest

返回:

MD5 digest

抛出:

IOException - On error reading from the stream

从以下版本开始:

1.4

md5

public static byte[] md5(String data)

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

参数:

data - Data to digest; converted to bytes using StringUtils.getBytesUtf8(String)

返回:

MD5 digest

md5Hex

public static String md5Hex(byte[] data)

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

参数:

data - Data to digest

返回:

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.

参数:

data - Data to digest

返回:

MD5 digest as a hex string

抛出:

IOException - On error reading from the stream

从以下版本开始:

1.4

md5Hex

public static String md5Hex(String data)

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

参数:

data - Data to digest

返回:

MD5 digest as a hex string

sha

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

已过时。 Use sha1(byte[])

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

参数:

data - Data to digest

返回:

SHA-1 digest

sha

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

已过时。 Use sha1(java.io.InputStream)

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

参数:

data - Data to digest

返回:

SHA-1 digest

抛出:

IOException - On error reading from the stream

从以下版本开始:

1.4

sha

@Deprecated
public static byte[] sha(String data)

已过时。 Use sha1(String)

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

参数:

data - Data to digest

返回:

SHA-1 digest

sha1

public static byte[] sha1(byte[] data)

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

参数:

data - Data to digest

返回:

SHA-1 digest

从以下版本开始:

1.7

sha1

public static byte[] sha1(InputStream data)
                   throws IOException

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

参数:

data - Data to digest

返回:

SHA-1 digest

抛出:

IOException - On error reading from the stream

从以下版本开始:

1.7

sha1

public static byte[] sha1(String data)

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

参数:

data - Data to digest; converted to bytes using StringUtils.getBytesUtf8(String)

返回:

SHA-1 digest

sha1Hex

public static String sha1Hex(byte[] data)

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

参数:

data - Data to digest

返回:

SHA-1 digest as a hex string

从以下版本开始:

1.7

sha1Hex

public static String sha1Hex(InputStream data)
                      throws IOException

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

参数:

data - Data to digest

返回:

SHA-1 digest as a hex string

抛出:

IOException - On error reading from the stream

从以下版本开始:

1.7

sha1Hex

public static String sha1Hex(String data)

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

参数:

data - Data to digest

返回:

SHA-1 digest as a hex string

从以下版本开始:

1.7

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.

参数:

data - Data to digest

返回:

SHA-256 digest

从以下版本开始:

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.

参数:

data - Data to digest

返回:

SHA-256 digest

抛出:

IOException - On error reading from the stream

从以下版本开始:

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.

参数:

data - Data to digest; converted to bytes using StringUtils.getBytesUtf8(String)

返回:

SHA-256 digest

从以下版本开始:

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.

参数:

data - Data to digest

返回:

SHA-256 digest as a hex string

从以下版本开始:

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.

参数:

data - Data to digest

返回:

SHA-256 digest as a hex string

抛出:

IOException - On error reading from the stream

从以下版本开始:

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.

参数:

data - Data to digest

返回:

SHA-256 digest as a hex string

从以下版本开始:

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.

参数:

data - Data to digest

返回:

SHA-384 digest

从以下版本开始:

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.

参数:

data - Data to digest

返回:

SHA-384 digest

抛出:

IOException - On error reading from the stream

从以下版本开始:

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.

参数:

data - Data to digest; converted to bytes using StringUtils.getBytesUtf8(String)

返回:

SHA-384 digest

从以下版本开始:

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.

参数:

data - Data to digest

返回:

SHA-384 digest as a hex string

从以下版本开始:

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.

参数:

data - Data to digest

返回:

SHA-384 digest as a hex string

抛出:

IOException - On error reading from the stream

从以下版本开始:

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.

参数:

data - Data to digest

返回:

SHA-384 digest as a hex string

从以下版本开始:

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.

参数:

data - Data to digest

返回:

SHA-512 digest

从以下版本开始:

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.

参数:

data - Data to digest

返回:

SHA-512 digest

抛出:

IOException - On error reading from the stream

从以下版本开始:

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.

参数:

data - Data to digest; converted to bytes using StringUtils.getBytesUtf8(String)

返回:

SHA-512 digest

从以下版本开始:

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.

参数:

data - Data to digest

返回:

SHA-512 digest as a hex string

从以下版本开始:

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.

参数:

data - Data to digest

返回:

SHA-512 digest as a hex string

抛出:

IOException - On error reading from the stream

从以下版本开始:

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.

参数:

data - Data to digest

返回:

SHA-512 digest as a hex string

从以下版本开始:

1.4

shaHex

@Deprecated
public static String shaHex(byte[] data)

已过时。 Use sha1Hex(byte[])

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

参数:

data - Data to digest

返回:

SHA-1 digest as a hex string

shaHex

@Deprecated
public static String shaHex(InputStream data)
                     throws IOException

已过时。 Use sha1Hex(java.io.InputStream)

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

参数:

data - Data to digest

返回:

SHA-1 digest as a hex string

抛出:

IOException - On error reading from the stream

从以下版本开始:

1.4

shaHex

@Deprecated
public static String shaHex(String data)

已过时。 Use sha1Hex(String)

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

参数:

data - Data to digest

返回:

SHA-1 digest as a hex string

updateDigest

public static MessageDigest updateDigest(MessageDigest messageDigest,
                         byte[] valueToDigest)

Updates the given MessageDigest.

参数:

messageDigest - the MessageDigest to update

valueToDigest - the value to update the MessageDigest with

返回:

the updated MessageDigest

从以下版本开始:

1.7

updateDigest

public static MessageDigest updateDigest(MessageDigest digest,
                         InputStream data)
                                  throws IOException

Reads through an InputStream and updates the digest for the data

参数:

digest - The MessageDigest to use (e.g. MD5)

data - Data to digest

返回:

the digest

抛出:

IOException - On error reading from the stream

从以下版本开始:

1.8

updateDigest

public static MessageDigest updateDigest(MessageDigest messageDigest,
                         String valueToDigest)

Updates the given MessageDigest.

参数:

messageDigest - the MessageDigest to update

valueToDigest - the value to update the MessageDigest with; converted to bytes using StringUtils.getBytesUtf8(String)

返回:

the updated MessageDigest

从以下版本开始:

1.7