Error de cifrado de obtener :: EVP_DecryptFinal_ex: desencriptar mal

Tengo código siguiente para descifrar mis datos en Java pero él me da "descifrar mal" error. ¿Puede alguien ayudarme con esto?

String input = "5H5h8acnv2gzv2PeTVb+pw=="; String key = "thisismykey___2011_1234567898765"; byte[] output = null; try{ SecretKeySpec skey = new SecretKeySpec(key.getBytes(), "AES"); Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding"); cipher.init(Cipher.DECRYPT_MODE, skey); output = cipher.doFinal(Base64.decode(input, Base64.DEFAULT)); Log.i("word is: ", new String(output)); }catch(Exception e){ Log.d("myapp", "Error decrypting data", e); // This is the line } 

Aquí está el código PHP que usé para cifrar los datos:

 function getEncrypt($sStr, $sKey) { return base64_encode( mcrypt_encrypt( MCRYPT_RIJNDAEL_128, $sKey, $sStr, MCRYPT_MODE_ECB ) ); } function getDecrypt($sStr, $sKey) { return mcrypt_decrypt( MCRYPT_RIJNDAEL_128, $sKey, base64_decode($sStr), MCRYPT_MODE_ECB ); } $key = "thisismykey___2011_1234567898765"; getEncrypt("Ekram",$key); // After encryption i get this "5H5h8acnv2gzv2PeTVb+pw==" 

Obteniendo después de la excepción:

01-03 10:26:36.930: I/The Text is(911): error:06065064:digital envelope routines:EVP_DecryptFinal_ex:bad decrypt

** * ** * *** Traza de la pila ** * ** * ** * ***

 01-03 12:06:53.740: D/myapp(902): Error decrypting data 01-03 12:06:53.740: D/myapp(902): javax.crypto.BadPaddingException: error:06065064:digital envelope routines:EVP_DecryptFinal_ex:bad decrypt 01-03 12:06:53.740: D/myapp(902): at com.android.org.conscrypt.NativeCrypto.EVP_CipherFinal_ex(Native Method) 01-03 12:06:53.740: D/myapp(902): at com.android.org.conscrypt.OpenSSLCipher.doFinalInternal(OpenSSLCipher.java:420) 01-03 12:06:53.740: D/myapp(902): at com.android.org.conscrypt.OpenSSLCipher.engineDoFinal(OpenSSLCipher.java:456) 01-03 12:06:53.740: D/myapp(902): at javax.crypto.Cipher.doFinal(Cipher.java:1204) 01-03 12:06:53.740: D/myapp(902): at com.example.android.fragments.MainActivity.EncryptDecryptTest(MainActivity.java:529) 01-03 12:06:53.740: D/myapp(902): at com.example.android.fragments.MainActivity$5.onTouch(MainActivity.java:285) 01-03 12:06:53.740: D/myapp(902): at android.view.View.dispatchTouchEvent(View.java:7701) 01-03 12:06:53.740: D/myapp(902): at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2216) 01-03 12:06:53.740: D/myapp(902): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1917) 01-03 12:06:53.740: D/myapp(902): at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2216) 01-03 12:06:53.740: D/myapp(902): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1917) 01-03 12:06:53.740: D/myapp(902): at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2216) 01-03 12:06:53.740: D/myapp(902): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1917) 01-03 12:06:53.740: D/myapp(902): at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2216) 01-03 12:06:53.740: D/myapp(902): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1917) 01-03 12:06:53.740: D/myapp(902): at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2216) 01-03 12:06:53.740: D/myapp(902): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1917) 01-03 12:06:53.740: D/myapp(902): at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2216) 01-03 12:06:53.740: D/myapp(902): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1917) 01-03 12:06:53.740: D/myapp(902): at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:2068) 01-03 12:06:53.740: D/myapp(902): at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1515) 01-03 12:06:53.740: D/myapp(902): at android.app.Activity.dispatchTouchEvent(Activity.java:2458) 01-03 12:06:53.740: D/myapp(902): at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:2016) 01-03 12:06:53.740: D/myapp(902): at android.view.View.dispatchPointerEvent(View.java:7886) 01-03 12:06:53.740: D/myapp(902): at android.view.ViewRootImpl$ViewPostImeInputStage.processPointerEvent(ViewRootImpl.java:3954) 01-03 12:06:53.740: D/myapp(902): at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:3833) 01-03 12:06:53.740: D/myapp(902): at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3399) 01-03 12:06:53.740: D/myapp(902): at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3449) 01-03 12:06:53.740: D/myapp(902): at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3418) 01-03 12:06:53.740: D/myapp(902): at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:3525) 01-03 12:06:53.740: D/myapp(902): at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3426) 01-03 12:06:53.740: D/myapp(902): at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:3582) 01-03 12:06:53.740: D/myapp(902): at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3399) 01-03 12:06:53.740: D/myapp(902): at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3449) 01-03 12:06:53.740: D/myapp(902): at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3418) 01-03 12:06:53.740: D/myapp(902): at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3426) 01-03 12:06:53.740: D/myapp(902): at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3399) 01-03 12:06:53.740: D/myapp(902): at android.view.ViewRootImpl.deliverInputEvent(ViewRootImpl.java:5602) 01-03 12:06:53.740: D/myapp(902): at android.view.ViewRootImpl.doProcessInputEvents(ViewRootImpl.java:5582) 01-03 12:06:53.740: D/myapp(902): at android.view.ViewRootImpl.enqueueInputEvent(ViewRootImpl.java:5553) 01-03 12:06:53.740: D/myapp(902): at android.view.ViewRootImpl$WindowInputEventReceiver.onInputEvent(ViewRootImpl.java:5682) 01-03 12:06:53.740: D/myapp(902): at android.view.InputEventReceiver.dispatchInputEvent(InputEventReceiver.java:185) 01-03 12:06:53.740: D/myapp(902): at android.os.MessageQueue.nativePollOnce(Native Method) 01-03 12:06:53.740: D/myapp(902): at android.os.MessageQueue.next(MessageQueue.java:138) 01-03 12:06:53.740: D/myapp(902): at android.os.Looper.loop(Looper.java:123) 01-03 12:06:53.740: D/myapp(902): at android.app.ActivityThread.main(ActivityThread.java:5017) 01-03 12:06:53.740: D/myapp(902): at java.lang.reflect.Method.invokeNative(Native Method) 01-03 12:06:53.740: D/myapp(902): at java.lang.reflect.Method.invoke(Method.java:515) 01-03 12:06:53.740: D/myapp(902): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779) 01-03 12:06:53.740: D/myapp(902): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595) 01-03 12:06:53.740: D/myapp(902): at dalvik.system.NativeStart.main(Native Method) 01-03 12:06:53.860: D/dalvikvm(902): GC_FOR_ALLOC freed 762K, 9% free 8545K/9372K, paused 32ms, total 36ms 

Intente comprobar qué formato de datos está pasando a cipher.doFinal()

Tuve el mismo problema, pero resulta en línea:

 Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding"); 

Debe cambiarse a

 Cipher cipher = Cipher.getInstance("AES/ECB/NoPadding"); 

y la excepción desaparecida. Hice comparar cómo las cadenas fueron encriptadas en PHP y estaba tratando de descifrarlo en Java.

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