Error Occurred While Decoding Oaep Padding C

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Oaep Padding Error

posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow error occurred while decoding oaep padding rsacryptoserviceprovider Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up RSACryptoServiceProvider error occurred while decoding OAEP padding up vote rsa oaep padding c# -1 down vote favorite I've read many articles regarding this problem and I cannot seem to find an answer that solves my bug. I have a WCF service; my app sends the public RSA key generated and the service returns a set of AES key+IV encrypted with the public key, but when my app then tries to decrypt the keys, I either get "Error occurred while decoding OAEP

Oaep Padding Example

padding" (if I pass true to useOAEP) or "The parameter is incorrect" (if I pass false to useOAEP). For simplicity, this is the entire code used put together, leaving Exception handling aside: public static string EncryptAES(byte[] aesKey, byte[] aesIV, string publicRSAKey) { using (RSACryptoServiceProvider rsa = new RSACryptoServiceProvider()) { rsa.FromXmlString(publicRSAKey); byte[] encryptedKey = rsa.Encrypt(aesKey, true); byte[] encryptedIV = rsa.Encrypt(aesIV, true); return string.Format("{0}{1}{2}", Convert.ToBase64String(encryptedKey), "\n", Convert.ToBase64String(encryptedIV)); } } public static byte[] Decrypt(string aesKeyorIV) { using (RSACryptoServiceProvider rsa = new RSACryptoServiceProvider()) { byte[] buffer = Convert.FromBase64String(aesKeyorIV); rsa.FromXmlString(RSA_Private_Key); return rsa.Decrypt(buffer, true); //Exception thrown here } } (RSA_Private_Key is generated in the static constructor using rsa.ToXmlString(true)) (publicRSAKey is passed to the service by sending rsa.ToXmlString(false) in the static constuctor) I tried using Encrypt/Decrypt(byte[], false) but it didn't make any difference. I also tried Array.Reverse(encryptedKey) and then Array.Reverse(buffer). The private key is never sent/modified after it's set so that cannot be it. I'm out of ideas and debugging the WCF service is pretty horrible. c# wcf encryption rsa share|improve this question edited Sep 1 '15 at 2:05 Andrew Savinykh 11.2k64372 asked Sep 1 '15 at 1:10 Camilo Terevinto 2,57031033 @zespri, I said I'm encrypting the AES key with RSA. Besides, I am not gett

Common Language Runtime Internals and Architecture Question sviconfig finished with an error. exit code: 4 1 Sign in to vote while doing asymetic rsacryptoserviceprovider oaep padding encryption method I am using public key of a digital signature for encrypting. and private

Error Occurred While Decoding Oaep Padding Saml

key for decrypting. I am able to encrypt the data successfully. but while decrypting i am getting the error as Error occurred http://stackoverflow.com/questions/32322113/rsacryptoserviceprovider-error-occurred-while-decoding-oaep-padding while decoding OAEP padding.my piece of code is #region Test Encryption public void a() { using (var rsa = new RSACryptoServiceProvider()) { // This String consists only Public Key Information String publicKeyOnly = rsa.ToXmlString(false); // This String consists both Private/Public Key information String publicPrivate = https://social.msdn.microsoft.com/Forums/vstudio/en-US/16420376-c0a5-4e14-91e0-a47e26dc00fa/error-occurred-while-decoding-oaep-padding?forum=clr rsa.ToXmlString(true); } } //encrypt public byte[] b(String publicKeyOnly) { String s = "vi74tqVrIHSyFELPThmQHUmkZsPx+baueW1reayVWzUe1nT0mZCCqPOcCYKT25E5TLpAh/bMQReLGIvokK+EzzFPqT2Ka0oK0LgPgO2LGZECR4PHdW/UH+bSwWaxN4rikEQGEr0M7rVv5wBFxhcZ/EFv40im+MVIkiM7W2P8PTM=AQAB"; publicKeyOnly = s; byte[] encryptedData; using (var rsaPublicOnly = new RSACryptoServiceProvider()) { rsaPublicOnly.FromXmlString(publicKeyOnly); encryptedData = rsaPublicOnly.Encrypt(Encoding.UTF8.GetBytes("This String is to be Secured."), true); } return encryptedData; } //Decrypt public String c( byte[] encryptedData) { String decryptedPassword ; using (var rsaPublicPrivate = new RSACryptoServiceProvider()) { RSACryptoServiceProvider.UseMachineKeyStore = true; // Providing Private key information to RSA Object rsaPublicPrivate.FromXmlString(_PrivateKeyXML); // Decrypting the encrypted data by using RSA object "rsaPublicPrivate" decryptedPassword = rsaPublicPrivate.Decrypt(encryptedData,true).ToString();//error at this line } return decryptedPassword; } #endregion Thanks and Regards Meetu Choudhary Wednesday, June 03, 2009 12:15 PM Reply | Quote Answers 0 Sign in to vote I had exactly the same problem. Initially I thought it was due to not having permissions to the certificate's private key. I

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use this site, you are agreeing to our use of cookies. Learn More. [solved] - Failed Login - Error occurred while decoding OAEP padding Discussion in 'Trakt' started by mmesh, January 11, 2015. Page 1 of 5 1 2 3 4 5 Next > Premium Supporter mmesh MP Donator Joined: December 10, 2004 Messages: 65 Location: Zagreb Ratings: +3 / 1 Home Country: Croatia Hi, I also had problems like tony3ridge. After I've read through the thread I've tried deleting all traktplugin.dll files other than the one in plugins folder of the MP install. After that I'm getting this error when trying to configure the plugin: Code (Text): See the end of this message for details on invoking just-in-time (JIT) debugging instead of this dialog box. ************** Exception Text ************** System.Security.Cryptography.CryptographicException: Error occurred while decoding OAEP padding. at System.Security.Cryptography.RSACryptoServiceProvider.DecryptKey(SafeKeyHandle pKeyContext, Byte[] pbEncryptedKey, Int32 cbEncryptedKey, Boolean fOAEP, ObjectHandleOnStack ohRetDecryptedKey) at System.Security.Cryptography.RSACryptoServiceProvider.Decrypt(Byte[] rgb, Boolean fOAEP) at TraktPlugin.Extensions.SecurityExtensions.Decrypt(String stringToDecrypt, String key) at TraktPlugin.TraktSettings.LoadSettings() at TraktPlugin.Configuration..ctor() at TraktPlugin.TraktPlugin.ShowPlugin() at MediaPortal.Configuration.Sections.PluginsNew.itemConfigure_Click(Object sender, EventArgs e) at System.Windows.Forms.ToolStripItem.RaiseEvent(Object key, EventArgs e) at System.Windows.Forms.ToolStripMenuItem.OnClick(EventArgs e) at System.Windows.Forms.ToolStripItem.HandleClick(EventArgs e) at System.Windows.Forms.ToolStripItem.HandleMouseUp(MouseEventArgs e) at System.Windows.Forms.ToolStripItem.FireEventInteractive(EventArgs e, ToolStripItemEventType met) at System.Windows.Forms.ToolStripItem.FireEvent(EventArgs e, ToolStripItemEventType met) at System.Windows.Forms.ToolStrip.OnMouseUp(MouseEventArgs mea) at System.Windows.Forms.ToolStripDropDown.OnMouseUp(MouseEventArgs mea) at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks) at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.ScrollableControl.WndProc(Message& m) at System.Windows.Forms.ToolStrip.WndProc(Message& m) at System.Windows.Forms.ToolStripDropDown.WndProc(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) ******