嗨我目前正在使用PHP和Android中的AES算法对字符串进行加密和解密.我在iOS和AndroID中获得了类似的值.但我无法在PHP中获得相同的输出.它显示了一些其他加密字符串.我想在所有iOS,AndroID和PHP中实现相同的结果.目前iOS和AndroID工作正常.但我无法修复PHP.
请检查屏幕截图并比较值.我使用“AndroID”作为值,使用“abcdef”作为键.
<?PHP$Pass = "abcdef";$Clear = "androID"; $crypted = mc_encrypt($Clear, $Pass);echo "Encrypred: ".$crypted."</br>";$newClear = mc_decrypt($crypted, $Pass);echo "Decrypred: ".$newClear."</br>"; function mc_encrypt($encrypt, $mc_key) { $iv = mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_ECB), MCRYPT_RAND); $passcrypt = trim(mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $mc_key, trim($encrypt), MCRYPT_MODE_ECB, $iv)); $encode = base64_encode($passcrypt); return $encode;}function mc_decrypt($decrypt, $mc_key) { $decoded = base64_decode($decrypt); $iv = mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_ECB), MCRYPT_RAND); $decrypted = trim(mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $mc_key, trim($decoded), MCRYPT_MODE_ECB, $iv)); return $decrypted;}?>
@H_301_9@我得到以下输出
加密:NzljOmN0msNkWr / cst11Q ==Decrypred:androID
下面的代码用于AndroID
package com.example.aesalg;import java.security.MessageDigest;import java.security.spec.AlgorithmParameterSpec;import javax.crypto.Cipher;import javax.crypto.spec.IvParameterSpec;import javax.crypto.spec.SecretKeySpec;import androID.util.Base64;public class AESCrypt {private final Cipher cipher;private final SecretKeySpec key;private AlgorithmParameterSpec spec;public AESCrypt(String password) throws Exception{ // hash password with SHA-256 and crop the output to @R_233_5028@ for key MessageDigest digest = MessageDigest.getInstance("SHA-256"); digest.update(password.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"); System.out.println("Encrypt Data"+ encryptedText); 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"); System.out.println("Encrypt Data"+ decryptedText); return decryptedText;}}
@H_301_9@解决方法:
您在AndroID应用程序中使用CBC,在PHP代码中使用ECB.有关详细信息,请参见wikipedia.
尝试将mcrypt参数更改为MCRYPT_MODE_CBC.另外我相信mcrypt总是使用零填充(我不是PHP专家)所以在AndroID方面你必须使用“AES / CBC / ZeroBytepadding”
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