How to do decryption in Win RT using AES (AesCbcPkcs5)

Hi,
How to implement Encryption and Decryption in AES (AesCbcPkcs5) in Win RT using C#. It is available in namespace -using System.Security.Cryptography;.
But it is not available in Win RT under namespace using Windows.Security.Cryptography;
Also in my app server side encryption is implemented in AesCbcPkcs5 . But it is not available in Win RT so I have tried decryption with
SymmetricAlgorithmNames.AesCbcPkcs7 algorithm. But I am getting exception as
The supplied user buffer is not valid for the requested operation. (Exception from HRESULT: 0x800706F8) .
I have read some blog in that they have mentioned that both are Same. But it is not work here. I have given 3 days to solve this issue but I am not getting solution on it. If there is any third party tool(.dll) is available to fix this problem so let
me know.
Please help me.
Thanks

As I can find from the MSDN documentation, there is no way to decrypt the pkcs5 padding. All the algorithms are list here:
SymmetricAlgorithmNames class
If someone still need help on this topic, I would recommend you to open a support ticket, perhaps write a algorithm to decrypt it follow the instruction:
https://www.ietf.org/rfc/rfc2898.txt or you can simply feedback to our product team as a feature request:
https://wpdev.uservoice.com/forums/110705-dev-platform
Thanks for your understanding,
--James
We are trying to better understand customer views on social support experience, so your participation in this interview project would be greatly appreciated if you have time. Thanks for helping make community forums a great place.
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I am new in java cryptography. We have a file from vendor which needs to be decrypted. I am using the code below which gives me error after the bolded comment line. Below the code are the error messages that I get.
Can anyone give me any assistance in telling me what is the problem.
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package cryptix.openpgp.examples;
import cryptix.message.EncryptedMessage;
import cryptix.message.KeyBundleMessage;
import cryptix.message.LiteralMessage;
import cryptix.message.Message;
import cryptix.message.MessageException;
import cryptix.message.MessageFactory;
import cryptix.message.NotEncryptedToParameterException;
import cryptix.openpgp.PGPSignedMessage;
import cryptix.pki.KeyBundle;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.security.NoSuchAlgorithmException;
import java.security.UnrecoverableKeyException;
import java.util.Collection;
public class Decrypt {
public static void main(String[] args) {
java.security.Security.addProvider(
new cryptix.jce.provider.CryptixCrypto() );
java.security.Security.addProvider(
new cryptix.openpgp.provider.CryptixOpenPGP() );
KeyBundle bundle = null;
MessageFactory mf = null;
try {
FileInputStream in = new FileInputStream("secretkey.asc");
mf = MessageFactory.getInstance("OpenPGP");
Collection msgs = mf.generateMessages(in);
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bundle = kbm.getKeyBundle();
in.close();
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System.err.println("IOException... You did remember to run the "+
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me.printStackTrace();
System.exit(-1);
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try {
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} catch (IOException ioe) {
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"Encrypt example first, right?");
ioe.printStackTrace();
System.exit(-1);
} catch (MessageException me) {
System.err.println("Reading message failed.");
me.printStackTrace();
System.exit(-1);
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netpe.printStackTrace();
System.exit(-1);
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System.exit(-1);
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System.exit(-1);
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Exception in thread "main" java.lang.RuntimeException: NYI
     at cryptix.jce.provider.elgamal.ElGamalCipher.engineGetParameters(ElGamalCipher.java:120)
     at javax.crypto.Cipher.a(DashoA12275)
     at javax.crypto.Cipher.init(DashoA12275)
     at javax.crypto.Cipher.init(DashoA12275)
     at cryptix.openpgp.algorithm.PGPElGamal.decrypt(PGPElGamal.java:612)
     at cryptix.openpgp.packet.PGPPublicKeyEncryptedSessionKeyPacket.decrypt(PGPPublicKeyEncryptedSessionKeyPacket.java:189)
     at cryptix.openpgp.provider.PGPEncryptedMessageImpl.decrypt(PGPEncryptedMessageImpl.java:186)
     at cryptix.openpgp.provider.PGPEncryptedMessageImpl.decrypt(PGPEncryptedMessageImpl.java:315)
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Message was edited by:
eidasharif
Message was edited by:
eidasharif
Message was edited by:
eidasharif
Message was edited by:
eidasharif
Message was edited by:
eidasharif
Message was edited by:
eidasharif
Message was edited by:
eidasharif
null

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