Java,php,js; AES Interoperability Plus Decryption

1,java End (dependent common-codec jar)

[Java]View PlainCopy

2. Package Com.jiami;
6. Import Javax.crypto.Cipher;
8. Import Javax.crypto.spec.IvParameterSpec;
10. Import Javax.crypto.spec.SecretKeySpec;
14. Import org.apache.commons.codec.binary.Base64;
20. Public class Aesutils {
24. Private final static String key="1234123412341324";
26. Private final static String iv="1234123412341234";
30. /** 
32. * AES Encryption
34. * @param data
36. * @return
38. */
40. public static string EncryptData (String data) {
42. try {
44. Cipher Cipher = cipher.getinstance ("aes/cbc/nopadding");
46. int blockSize = Cipher.getblocksize ();
48. byte[] databytes = Data.getbytes ();
50. int plaintextlength = databytes.length;
52. if (plaintextlength% blockSize! = 0) {
54. Plaintextlength = Plaintextlength + (blockSize-(plaintextlength% blockSize));
56. }
58. byte[] plaintext = new byte[plaintextlength];
60. System.arraycopy (Databytes, 0, plaintext, 0, databytes.length);
62. Secretkeyspec Keyspec = new Secretkeyspec (Key.getbytes (), "AES");
64. Ivparameterspec Ivspec = new Ivparameterspec (Iv.getbytes ());
66. Cipher.init (Cipher.encrypt_mode, Keyspec, Ivspec);
68. byte[] encrypted = cipher.dofinal (plaintext);
70. return New String (Base64.encodebase64 (encrypted));
72. } catch (Exception e) {
74. E.printstacktrace ();
76. }
78. return null;
80. }
86. /** 
88. * AES Decryption
90. * @param data redaction
92. * @return
94. */
96. public static string Decryptdata (String data) {
98. try {
100. byte[] encrypted1 =base64.decodebase64 (Data.getbytes ());
102. Cipher Cipher = cipher.getinstance ("aes/cbc/nopadding");
104. Secretkeyspec Keyspec = new Secretkeyspec (Key.getbytes (), "AES");
106. Ivparameterspec Ivspec = new Ivparameterspec (Iv.getbytes ());
108. Cipher.init (Cipher.decrypt_mode, Keyspec, Ivspec);
110. byte[] Original = cipher.dofinal (encrypted1);
112. String originalstring = new String (original);
114. return originalstring;
116. } catch (Exception e) {
118. E.printstacktrace ();
120. }
122. return null;
124. }
130. public static void Main (string[] args) {
132. String data="PHP and Java interoperability!";
134. String enstr=aesutils.encryptdata (data);
136. SYSTEM.OUT.PRINTLN ("encryption:" +ENSTR);
138. String Destr=aesutils.decryptdata (ENSTR);
140. System.out.println ("decryption:" +DESTR);
142. }
146. }

2,php End

[PHP]View PlainCopy

2. <?php
4. $privateKey = "1234123412341324";
6. $iv = "1234123412341324";
8. $data = "data for testing";
12. //Encryption
14. $encrypted = Mcrypt_encrypt (mcrypt_rijndael_128, $privateKey, $data, MCRYPT_MODE_CBC, $iv);
16. Echo (base64_encode ($encrypted));
18. echo ' <br/> ';
22. //Decryption
24. $encryptedData = Base64_decode (base64_encode ($encrypted));
26. $decrypted = Mcrypt_decrypt (mcrypt_rijndael_128, $privateKey, $encryptedData, MCRYPT_MODE_CBC, $iv);
28. Echo ($decrypted);
30. ?>

3,js End

[JavaScript]View PlainCopy

2. <script src="./crypto-js.js" ></script>
4. <script src="./aes.js" ></script>
6. <script src="./pad-zeropadding.js" ></script>
8. <script>
10. var data = "Test";
12. var key = CryptoJS.enc.Latin1.parse (' 1234123412341324 ');
14. var IV = CryptoJS.enc.Latin1.parse (' 1234123412341324 ');
18. Encryption
20. var encrypted = CryptoJS.AES.encrypt (data,key,{iv:iv,mode:cryptojs.mode.cbc,padding:cryptojs.pad.zeropadding});
26. alert (encrypted);
30. Console.log (Encrypted.tostring ());
34. Decrypt
36. var decrypted = CryptoJS.AES.decrypt (encrypted,key,{iv:iv,padding:cryptojs.pad.zeropadding});
38. Console.log (decrypted.tostring (CryptoJS.enc.Utf8));
42. Alert (decrypted.tostring (CryptoJS.enc.Utf8));
44. Lt;/script>

Three JS files: http://download.csdn.net/detail/wd4871/9526147

Java,php,js; AES Interoperability Plus decryption