java加密、解密Sha/Md5/AES/base64

import java.io.UnsupportedEncodingException;
import java.security.InvalidKeyException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;

import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.KeyGenerator;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;

import org.apache.commons.codec.binary.base64;

public class Decript {
	
	/**
	 * SHA1
	 * @param decript
	 * @return
	 */
	public static String SHA1（String decript） {
		try {
			MessageDigest digest = java.security.MessageDigest
					.getInstance（“SHA-1“）;
			digest.update（decript.getBytes（））;
			b

 属性            大小     日期    时间   名称
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     文件    2112410  2014-11-14 14:39  java加密、解密\commons-codec-1.10-bin.zip

     文件     558051  2014-11-14 14:39  java加密、解密\commons-codec-1.10-src.zip

     文件       5583  2014-11-14 14:41  java加密、解密\Decript.java

     目录          0  2014-11-14 14:48  java加密、解密

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