#import <Foundation/Foundation.h>#import <CommonCrypto/CommonCryptor.h>#import <CommonCrypto/CommonKeyDerivation.h>#define AES_KEY @"cx@hy!*&y.)x#[;>"#define AES_IV @"0102030405060708"@interface NSData (AES)+ (NSString *) AESEncryptWithData:(NSData *) data;+ (NSData *) AESDecryptWithText:(NSString *) text;

#import "NSData+AES.h"@implementation NSData (AES)static const char encodingTable[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";+ (NSString *) AESEncryptWithData:(NSData *)data{    // ‘key‘ should be 32 bytes for AES256, will be null-padded otherwise    char keyPtr[kCCKeySizeAES256+1]; // room for terminator (unused)    bzero(keyPtr, sizeof(keyPtr)); // fill with zeroes (for padding)        NSUInteger dataLength = [data length];        size_t bufferSize = dataLength + kCCBlockSizeAES128;    void *buffer = malloc(bufferSize);    bzero(buffer, sizeof(buffer));        size_t numBytesEncrypted = 0;        CCCryptorStatus cryptStatus = CCCrypt(kCCEncrypt, kCCAlgorithmAES128,kCCOptionPKCS7Padding,                                          [[AES_KEY dataUsingEncoding:NSUTF8StringEncoding] bytes], kCCKeySizeAES128,                                          [[AES_IV dataUsingEncoding:NSUTF8StringEncoding] bytes] /* initialization vector (optional) */,                                          [data bytes], dataLength, /* input */                                          buffer, bufferSize, /* output */                                          &numBytesEncrypted);    if (cryptStatus == kCCSuccess) {        NSData *encryptData = http://www.mamicode.com/[NSData dataWithBytesNoCopy:buffer length:numBytesEncrypted];"";        char *characters = malloc((([self length] + 2) / 3) * 4);    if (characters == NULL)        return nil;    NSUInteger length = 0;        NSUInteger i = 0;    while (i < [self length])    {        char buffer[3] = {0,0,0};        short bufferLength = 0;        while (bufferLength < 3 && i < [self length])            buffer[bufferLength++] = ((char *)[self bytes])[i++];                //  Encode the bytes in the buffer to four characters, including padding "=" characters if necessary.        characters[length++] = encodingTable[(buffer[0] & 0xFC) >> 2];        characters[length++] = encodingTable[((buffer[0] & 0x03) << 4) | ((buffer[1] & 0xF0) >> 4)];        if (bufferLength > 1)            characters[length++] = encodingTable[((buffer[1] & 0x0F) << 2) | ((buffer[2] & 0xC0) >> 6)];        else characters[length++] = ‘=‘;        if (bufferLength > 2)            characters[length++] = encodingTable[buffer[2] & 0x3F];        else characters[length++] = ‘=‘;    }        return [[NSString alloc] initWithBytesNoCopy:characters length:length encoding:NSASCIIStringEncoding freeWhenDone:YES];}@end

package com.yuxin168.library.util;import java.io.UnsupportedEncodingException;import java.security.InvalidAlgorithmParameterException;import java.security.InvalidKeyException;import java.security.NoSuchAlgorithmException;import javax.crypto.BadPaddingException;import javax.crypto.Cipher;import javax.crypto.IllegalBlockSizeException;import javax.crypto.NoSuchPaddingException;import javax.crypto.spec.IvParameterSpec;import javax.crypto.spec.SecretKeySpec;import android.util.Base64;/** * AESº”√‹ *  * @author Baoyz *  */public class AES {	public static final String VIPARA = "0102030405060708";	public static final String bm = "UTF-8";	/**	 * º”√‹	 * 	 * @param content	 *            –Ë“™º”√‹µƒƒ⁄»›	 * @param password	 *            º”√‹√‹¬Î	 * @return	 */	public static String encrypt(String content) {		try {			IvParameterSpec zeroIv = new IvParameterSpec(VIPARA.getBytes());			SecretKeySpec key = new SecretKeySpec(getKey().getBytes(), "AES");			Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");			cipher.init(Cipher.ENCRYPT_MODE, key, zeroIv);			byte[] encryptedData = http://www.mamicode.com/cipher.doFinal(content.getBytes(bm));"AES");			Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");			cipher.init(Cipher.DECRYPT_MODE, key, zeroIv);			byte[] decryptedData = http://www.mamicode.com/cipher.doFinal(byteMi);"cx@hy!*&y.)x#[;>";	}}