jexx.crypto

类 DigestUtil

java.lang.Object

jexx.crypto.DigestUtil

public class DigestUtil
extends java.lang.Object

摘要加密工具 copy from spring.

构造器概要

构造器

构造器和说明
DigestUtil()

方法概要

限定符和类型	方法和说明
static java.security.MessageDigest	getDigest(java.lang.String algorithm)
static java.security.MessageDigest	getMd2Digest()
static java.security.MessageDigest	getMd5Digest() Returns an MD5 MessageDigest.
static java.security.MessageDigest	getSha1Digest() Returns an SHA-1 digest.
static java.security.MessageDigest	getSha256Digest() Returns an SHA-256 digest.
static java.security.MessageDigest	getSha384Digest() Returns an SHA-384 digest.
static java.security.MessageDigest	getSha512Digest() Returns an SHA-512 digest.
static java.security.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(java.io.InputStream data) Calculates the MD2 digest and returns the value as a 16 element byte[].
static byte[]	md2(java.lang.String data)
static java.lang.String	md2Hex(byte[] data)
static java.lang.String	md2Hex(java.io.InputStream data)
static java.lang.String	md2Hex(java.lang.String data)
static byte[]	md5(byte[] data)
static byte[]	md5(java.io.File file)
static byte[]	md5(java.io.InputStream data)
static byte[]	md5(java.lang.String data)
static java.lang.String	md5Hex(byte[] data)
static java.lang.String	md5Hex(java.io.File file)
static java.lang.String	md5Hex(java.io.InputStream data)
static java.lang.String	md5Hex(java.lang.String data)
static byte[]	sha1(byte[] data)
static byte[]	sha1(java.io.InputStream data)
static byte[]	sha1(java.lang.String data)
static java.lang.String	sha1Hex(byte[] data)
static java.lang.String	sha1Hex(java.io.InputStream data)
static java.lang.String	sha1Hex(java.lang.String data)
static byte[]	sha256(byte[] data)
static byte[]	sha256(java.io.InputStream data)
static byte[]	sha256(java.lang.String data)
static java.lang.String	sha256Hex(byte[] data)
static java.lang.String	sha256Hex(java.io.InputStream data)
static java.lang.String	sha256Hex(java.lang.String data)
static byte[]	sha384(byte[] data)
static byte[]	sha384(java.io.InputStream data)
static byte[]	sha384(java.lang.String data)
static java.lang.String	sha384Hex(byte[] data)
static java.lang.String	sha384Hex(java.io.InputStream data)
static java.lang.String	sha384Hex(java.lang.String data)
static byte[]	sha512(byte[] data)
static byte[]	sha512(java.io.InputStream data)
static byte[]	sha512(java.lang.String data)
static java.lang.String	sha512Hex(byte[] data)
static java.lang.String	sha512Hex(java.io.InputStream data)
static java.lang.String	sha512Hex(java.lang.String data)
static java.security.MessageDigest	updateDigest(java.security.MessageDigest messageDigest, byte[] valueToDigest)
static java.security.MessageDigest	updateDigest(java.security.MessageDigest digest, java.io.InputStream data)
static java.security.MessageDigest	updateDigest(java.security.MessageDigest messageDigest, java.lang.String valueToDigest)

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

DigestUtil

public DigestUtil()

方法详细资料

getDigest

public static java.security.MessageDigest getDigest(java.lang.String algorithm)

getMd2Digest

public static java.security.MessageDigest getMd2Digest()

getMd5Digest

public static java.security.MessageDigest getMd5Digest()

Returns an MD5 MessageDigest.

返回:

An MD5 digest instance.

抛出:

java.lang.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 java.security.MessageDigest getSha1Digest()

Returns an SHA-1 digest.

返回:

An SHA-1 digest instance.

抛出:

java.lang.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 java.security.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:

java.lang.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 java.security.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:

java.lang.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 java.security.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:

java.lang.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 java.security.MessageDigest getShaDigest()

已过时。 Use getSha1Digest()

Returns an SHA-1 digest.

返回:

An SHA-1 digest instance.

抛出:

java.lang.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(java.io.InputStream data)
                  throws java.io.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:

java.io.IOException - On error reading from the stream

从以下版本开始:

1.7

md2

public static byte[] md2(java.lang.String data)

md2Hex

public static java.lang.String md2Hex(byte[] data)

md2Hex

public static java.lang.String md2Hex(java.io.InputStream data)
                               throws java.io.IOException

抛出:

java.io.IOException

md2Hex

public static java.lang.String md2Hex(java.lang.String data)

md5

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

md5

public static byte[] md5(java.io.InputStream data)

md5

public static byte[] md5(java.lang.String data)

md5

public static byte[] md5(java.io.File file)
                  throws java.io.IOException

抛出:

java.io.IOException

md5Hex

public static java.lang.String md5Hex(byte[] data)

md5Hex

public static java.lang.String md5Hex(java.io.InputStream data)

md5Hex

public static java.lang.String md5Hex(java.lang.String data)

md5Hex

public static java.lang.String md5Hex(java.io.File file)
                               throws java.io.IOException

抛出:

java.io.IOException

sha1

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

sha1

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

抛出:

java.io.IOException

sha1

public static byte[] sha1(java.lang.String data)

sha1Hex

public static java.lang.String sha1Hex(byte[] data)

sha1Hex

public static java.lang.String sha1Hex(java.io.InputStream data)
                                throws java.io.IOException

抛出:

java.io.IOException

sha1Hex

public static java.lang.String sha1Hex(java.lang.String data)

sha256

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

sha256

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

抛出:

java.io.IOException

sha256

public static byte[] sha256(java.lang.String data)

sha256Hex

public static java.lang.String sha256Hex(byte[] data)

sha256Hex

public static java.lang.String sha256Hex(java.io.InputStream data)
                                  throws java.io.IOException

抛出:

java.io.IOException

sha256Hex

public static java.lang.String sha256Hex(java.lang.String data)

sha384

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

sha384

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

抛出:

java.io.IOException

sha384

public static byte[] sha384(java.lang.String data)

sha384Hex

public static java.lang.String sha384Hex(byte[] data)

sha384Hex

public static java.lang.String sha384Hex(java.io.InputStream data)
                                  throws java.io.IOException

抛出:

java.io.IOException

sha384Hex

public static java.lang.String sha384Hex(java.lang.String data)

sha512

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

sha512

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

抛出:

java.io.IOException

sha512

public static byte[] sha512(java.lang.String data)

sha512Hex

public static java.lang.String sha512Hex(byte[] data)

sha512Hex

public static java.lang.String sha512Hex(java.io.InputStream data)
                                  throws java.io.IOException

抛出:

java.io.IOException

sha512Hex

public static java.lang.String sha512Hex(java.lang.String data)

updateDigest

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

updateDigest

public static java.security.MessageDigest updateDigest(java.security.MessageDigest digest,
                                                       java.io.InputStream data)

updateDigest

public static java.security.MessageDigest updateDigest(java.security.MessageDigest messageDigest,
                                                       java.lang.String valueToDigest)