org.coodex.util

Class DigestHelper

java.lang.Object

org.coodex.util.DigestHelper

public class DigestHelper
extends Object

Author:

davidoff

Constructor Summary

Constructors

Constructor and Description
DigestHelper()

Method Summary

Modifier and Type	Method and Description
static String	digest(byte[] buf, String algorithm) 获取信息摘要
static byte[]	digestBuff(byte[] buf, String algorithm)
static byte[]	hmac(byte[] content, byte[] key)
static byte[]	hmac(byte[] content, byte[] key, String algorithm)
static String	hmac(String content, String key)
static String	hmac(String content, String key, String algorithm)
static String	hmac(String content, String key, String algorithm, String encoding)
static String	md5(byte[] content)
static String	sha1(byte[] content)
static String	sha256(byte[] content)

Methods inherited from class java.lang.Object

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

Constructor Detail

DigestHelper

public DigestHelper()

Method Detail

digest

public static String digest(byte[] buf,
                            String algorithm)

获取信息摘要

Parameters:

buf - 内容

algorithm - 摘要算法

Returns:

信息摘要

Since:

1.1.0[2011-9-15]

digestBuff

public static byte[] digestBuff(byte[] buf,
                                String algorithm)

sha1

public static String sha1(byte[] content)

sha256

public static String sha256(byte[] content)

md5

public static String md5(byte[] content)

hmac

public static byte[] hmac(byte[] content,
                          byte[] key,
                          String algorithm)
                   throws NoSuchAlgorithmException,
                          InvalidKeyException

Throws:

NoSuchAlgorithmException

InvalidKeyException

hmac

public static byte[] hmac(byte[] content,
                          byte[] key)
                   throws NoSuchAlgorithmException,
                          InvalidKeyException

Throws:

NoSuchAlgorithmException

InvalidKeyException

hmac

public static String hmac(String content,
                          String key,
                          String algorithm,
                          String encoding)
                   throws UnsupportedEncodingException,
                          InvalidKeyException,
                          NoSuchAlgorithmException

Throws:

UnsupportedEncodingException

InvalidKeyException

NoSuchAlgorithmException

hmac

public static String hmac(String content,
                          String key,
                          String algorithm)
                   throws UnsupportedEncodingException,
                          InvalidKeyException,
                          NoSuchAlgorithmException

Throws:

UnsupportedEncodingException

InvalidKeyException

NoSuchAlgorithmException

hmac

public static String hmac(String content,
                          String key)
                   throws UnsupportedEncodingException,
                          NoSuchAlgorithmException,
                          InvalidKeyException

Throws:

UnsupportedEncodingException

NoSuchAlgorithmException

InvalidKeyException