AES加密、解密（linux、window加密解密效果一致，支援中文）

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轉自： http://sunfish.iteye.com/blog/2169158

 

import java.io.UnsupportedEncodingException;import java.security.InvalidKeyException;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.axis.encoding.Base64;public class AES {private static int length=128;/** * 加密 *  * @param content *            需要加密的內容 * @param password *            加密密碼 * @return * @throws NoSuchAlgorithmException * @throws NoSuchPaddingException * @throws UnsupportedEncodingException * @throws InvalidKeyException * @throws BadPaddingException * @throws IllegalBlockSizeException */private static byte[] encrypt(String content, String password)throws Exception {KeyGenerator kgen = KeyGenerator.getInstance("AES");                SecureRandom secureRandom = SecureRandom.getInstance("SHA1PRNG" );                 secureRandom.setSeed(password.getBytes()); kgen.init(length, secureRandom);SecretKey secretKey = kgen.generateKey();byte[] enCodeFormat = secretKey.getEncoded();SecretKeySpec key = new SecretKeySpec(enCodeFormat, "AES");Cipher cipher = Cipher.getInstance("AES");// 建立密碼器byte[] byteContent = content.getBytes("utf-8");cipher.init(Cipher.ENCRYPT_MODE, key);// 初始化byte[] result = cipher.doFinal(byteContent);return result; // 加密}/** * 解密 *  * @param content *            待解密內容 * @param password *            解密密鑰 * @return */private static byte[] decrypt(byte[] content, String password)throws Exception {KeyGenerator kgen = KeyGenerator.getInstance("AES");                 SecureRandom secureRandom = SecureRandom.getInstance("SHA1PRNG" );                   secureRandom.setSeed(password.getBytes()); kgen.init(length, secureRandom);SecretKey secretKey = kgen.generateKey();byte[] enCodeFormat = secretKey.getEncoded();SecretKeySpec key = new SecretKeySpec(enCodeFormat, "AES");Cipher cipher = Cipher.getInstance("AES");// 建立密碼器cipher.init(Cipher.DECRYPT_MODE, key);// 初始化byte[] result = cipher.doFinal(content);return result; // 加密                             }///**// * 將二進位轉換成16進位// * // * @param buf// * @return// *///public static String parseByte2HexStr(byte buf[]) {//StringBuffer sb = new StringBuffer();//for (int i = 0; i < buf.length; i++) {//String hex = Integer.toHexString(buf[i] & 0xFF);//if (hex.length() == 1) {//hex = ‘0‘ + hex;//}//sb.append(hex.toUpperCase());//}//return sb.toString();//}/////**// * 將16進位轉換為二進位// * // * @param hexStr// * @return// *///public static byte[] parseHexStr2Byte(String hexStr) {//if (hexStr.length() < 1)//return null;//byte[] result = new byte[hexStr.length() / 2];//for (int i = 0; i < hexStr.length() / 2; i++) {//int high = Integer.parseInt(hexStr.substring(i * 2, i * 2 + 1), 16);//int low = Integer.parseInt(hexStr.substring(i * 2 + 1, i * 2 + 2),//16);//result[i] = (byte) (high * 16 + low);//}//return result;//}/** * 加密 *  * @param content *            需要加密的內容 * @param password *            加密密碼 * @return */public static byte[] encrypt2(String content, String password) {try {SecretKeySpec key = new SecretKeySpec(password.getBytes(), "AES");Cipher cipher = Cipher.getInstance("AES/ECB/NoPadding");byte[] byteContent = content.getBytes("utf-8");cipher.init(Cipher.ENCRYPT_MODE, key);// 初始化byte[] result = cipher.doFinal(byteContent);return result; // 加密} catch (NoSuchAlgorithmException e) {e.printStackTrace();} catch (NoSuchPaddingException e) {e.printStackTrace();} catch (InvalidKeyException e) {e.printStackTrace();} catch (UnsupportedEncodingException e) {e.printStackTrace();} catch (IllegalBlockSizeException e) {e.printStackTrace();} catch (BadPaddingException e) {e.printStackTrace();}return null;}public static String encrypt2Str(String content, String password) throws Exception {byte[] encryptResult = encrypt(content, password);return Base64.encode(encryptResult);}public static String decrypt2Str(String content, String password) throws Exception {byte[] decryptResult = decrypt(Base64.decode(content), password);return new String(decryptResult,"UTF-8");}public static void main(String[] args) throws Exception {String content = "t太陽est地";String password = "12345678";// 加密System.out.println("加密前：" + content);String tt4 = encrypt2Str(content, password);System.out.println(new String(tt4));// 解密String d = decrypt2Str(tt4, password);System.out.println("解密後：" + d);//加密前：t太陽est地//Bpf0jyJDj/pVHaRf66+OMA==//解密後：t太陽est地}}

 

AES加密、解密（linux、window加密解密效果一致，支援中文）