PHP android ios互相适配的AES数据加密优化算法
摘要: APP新项目客户登陆密码传送一直沒有用HTTPS,考虑到到客户的隐私保护临时先用AES对登陆密码数据加密,之后还可以用以手机上端与服务端数据加密互动。PHP的完全免费版phpAES新项目,...
PHP的完全免费版phpAES新项目,手机上端编解码各种各样错误。
十分非常容易找了PHP ANDROID IOS,互相加解密一切正常的AES数据加密优化算法编码。
PHP的AES数据加密优化算法:
?php class MCrypt { private $hex_iv = # converted JAVA byte code in to HEX and placed it here private $key = U1MjU1M0FDOUZ.Qz #Same as in JAVA function __construct() { $this- key = hash( sha256 , $this- key, true); //echo $this- key. br/ function encrypt($str) { $td = mcrypt_module_open(MCRYPT_RIJNDAEL_128, , MCRYPT_MODE_CBC, mcrypt_generic_init($td, $this- key, $this- hexToStr($this- hex_iv)); $block = mcrypt_get_block_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_CBC); $pad = $block - (strlen($str) % $block); $str .= str_repeat(chr($pad), $pad); $encrypted = mcrypt_generic($td, $str); mcrypt_generic_deinit($td); mcrypt_module_close($td); return base64_encode($encrypted); function decrypt($code) { $td = mcrypt_module_open(MCRYPT_RIJNDAEL_128, , MCRYPT_MODE_CBC, mcrypt_generic_init($td, $this- key, $this- hexToStr($this- hex_iv)); $str = mdecrypt_generic($td, base64_decode($code)); $block = mcrypt_get_block_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_CBC); mcrypt_generic_deinit($td); mcrypt_module_close($td); return $this- strippadding($str); For PKCS7 padding private function addpadding($string, $blocksize = 16) { $len = strlen($string); $pad = $blocksize - ($len % $blocksize); $string .= str_repeat(chr($pad), $pad); return $string; private function strippadding($string) { $slast = ord(substr($string, -1)); $slastc = chr($slast); $pcheck = substr($string, -$slast); if (preg_match( /$slastc{ . $slast . }/ , $string)) { $string = substr($string, 0, strlen($string) - $slast); return $string; } else { return false; function hexToStr($hex) $string= for ($i=0; $i strlen($hex)-1; $i+=2) $string .= chr(hexdec($hex[$i].$hex[$i+1])); return $string; $encryption = new MCrypt(); echo $encryption- encrypt( 123456 ) . br/ echo $encryption- decrypt( tpyxISJ83dqEs3uw8bN/+w==
java的AES数据加密优化算法:
import javax.crypto.Cipher; import javax.crypto.spec.IvParameterSpec; import javax.crypto.spec.SecretKeySpec; import android.util.Base64; * @author vipin.cb , vipin.cb br * Sep 27, 2013, 5:18:34 PM br * Package:- b com.veebow.util /b br * Project:- b Veebow /b * p public class AESCrypt { private final Cipher cipher; private final SecretKeySpec key; private AlgorithmParameterSpec spec; public static final String SEED_16_CHARACTER = U1MjU1M0FDOUZ.Qz public AESCrypt() throws Exception { // hash password with SHA-256 and crop the output to 128-bit for key MessageDigest digest = MessageDigest.getInstance( SHA-256 digest.update(SEED_16_CHARACTER.getBytes( UTF-8 )); byte[] keyBytes = new byte[32]; System.arraycopy(digest.digest(), 0, keyBytes, 0, keyBytes.length); cipher = Cipher.getInstance( AES/CBC/PKCS7Padding key = new SecretKeySpec(keyBytes, AES spec = getIV(); public AlgorithmParameterSpec getIV() { byte[] iv = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }; IvParameterSpec ivParameterSpec; ivParameterSpec = new IvParameterSpec(iv); return ivParameterSpec; public String encrypt(String plainText) throws Exception { cipher.init(Cipher.ENCRYPT_MODE, key, spec); byte[] encrypted = cipher.doFinal(plainText.getBytes( UTF-8 )); String encryptedText = new String(Base64.encode(encrypted, Base64.DEFAULT), UTF-8 return encryptedText; public String decrypt(String cryptedText) throws Exception { cipher.init(Cipher.DECRYPT_MODE, key, spec); byte[] bytes = Base64.decode(cryptedText, Base64.DEFAULT); byte[] decrypted = cipher.doFinal(bytes); String decryptedText = new String(decrypted, UTF-8 return decryptedText; }
IOS的AES数据加密优化算法:
Gurpartap/AESCrypt-ObjC
stackoverflow参照
questions/patible-aes-code-encrypt-decrypt-for-iphone-android-windows-xp
questions//aes-128-encryption-in-java-decryption-in-php