Cryptostream Bad Data Error

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Bad Data Exception Java

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Vb.net Flushfinalblock Bad Data

Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Decrypt file have bad data if wrong key up vote 0 down vote favorite I've code to decrypt file in DES Encryption, I try I keep getting the file bad data exception c# even though I enter the key at the time when the key decrypt the encrypted differently. But i've get the error. while ((data = cryptostreamDecr.ReadByte()) != -1) // Message Error : Bad Data. Which code should I add or change in order to keep the process running decrypt? private static void DecryptFile(string sInputFilename, string sKey) { var DES = new DESCryptoServiceProvider(); DES.Key = Encoding.ASCII.GetBytes(sKey); DES.IV = Encoding.ASCII.GetBytes(sKey); ICryptoTransform desdecrypt = DES.CreateDecryptor(); using (var fsread = new FileStream(sInputFilename, FileMode.Open, FileAccess.ReadWrite)) { using (var cryptostreamDecr = new CryptoStream(fsread, desdecrypt, CryptoStreamMode.Read)) { int data; fsread.Flush(); using (var ms = new MemoryStream()) { while ((data = cryptostreamDecr.ReadByte()) != -1) { ms.WriteByte((byte)data); } cryptostreamDecr.Close(); using (var fsWrite = new FileStream(sInputFilename, FileMode.Truncate)) { ms.WriteTo(fsWrite); ms.Flush(); } } } } } Encrypt Code : public static void EncryptFile(string sInputFilename, string sKey) { FileStream fsInput = new FileStream(sInputFilename, FileMode.Open, FileAccess.ReadWrite); DESCryptoServiceProvider DES = new DESCryptoServiceProvider(); DES.Key = ASCIIEncoding.ASCII.GetBytes(sKey); DES.IV = ASCIIEncoding.

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C# Rsa Decrypt Bad Data

overview of the site Help Center Detailed answers to bad data error in c# any questions you might have Meta Discuss the workings and policies of this rsacryptoserviceprovider decrypt bad data site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us http://stackoverflow.com/questions/21641921/decrypt-file-have-bad-data-if-wrong-key Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow 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 “Bad http://stackoverflow.com/questions/27616798/bad-data-exception-when-decrypting-encrypted-file Data” exception when decrypting encrypted file up vote 0 down vote favorite When I want to DeserializeObject, it gives an error which says "Bad Data". After file data conversion succeed, it gives error on disposing or closing stream #########Error at System.Security.Cryptography.CryptographicException.ThrowCryptographicException(Int32 hr) at System.Security.Cryptography.Utils._DecryptData(SafeKeyHandle hKey, Byte[] data, Int32 ib, Int32 cb, Byte[]& outputBuffer, Int32 outputOffset, PaddingMode PaddingMode, Boolean fDone) at System.Security.Cryptography.CryptoAPITransform.TransformFinalBlock(Byte[] inputBuffer, Int32 inputOffset, Int32 inputCount) at System.Security.Cryptography.CryptoStream.FlushFinalBlock() at System.Security.Cryptography.CryptoStream.Dispose(Boolean disposing) at System.IO.Stream.Close() at System.IO.Stream.Dispose() at BinaryFileHelper.DeserializeObject[T](String filename) #########Error private static DESCryptoServiceProvider cryptic = new DESCryptoServiceProvider() { Key = System.Text.Encoding.UTF8.GetBytes("12345678".Substring(0, 8)), IV = new byte[] { 0x12, 0x34, 0x56, 0x78, 0x90, 0xAB, 0xCD, 0xEF } }; public static void SerializeObject(string filename, object objectToSerialize) { using (Stream stream = File.Open(filename, FileMode.OpenOrCreate)) { BinaryFormatter binaryFormatter = new Bin

here for a quick overview of the http://stackoverflow.com/questions/15707458/bad-data-exception-in-c-sharp site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags bad data Users Badges Ask Question x Dismiss Join the Stack Overflow 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 Bad data exception in C# up vote -1 down vote bad data error favorite i have a "bad data exception" when trying to decrypt a file using DES in C#.Any help would be great.here is my code: namespace encrypte { public partial class Form1 : Form { public Form1() { InitializeComponent(); } static void EncryptFile(string sInputFilename, string sOutputFilename, string sKey) { FileStream fsInput = new FileStream(sInputFilename,FileMode.Open, FileAccess.Read); FileStream fsEncrypted = new FileStream(sOutputFilename,FileMode.Create,FileAccess.Write); DESCryptoServiceProvider DES = new DESCryptoServiceProvider(); DES.Mode = CipherMode.CFB; DES.Key = ASCIIEncoding.ASCII.GetBytes(sKey); DES.IV = ASCIIEncoding.ASCII.GetBytes(sKey); DES.Padding = PaddingMode.ISO10126; ICryptoTransform desencrypt = DES.CreateEncryptor(); CryptoStream cryptostream = new CryptoStream(fsEncrypted,desencrypt,CryptoStreamMode.Write); byte[] bytearrayinput = new byte[fsInput.Length - 1]; fsInput.Read(bytearrayinput, 0, bytearrayinput.Length); cryptostream.Write(bytearrayinput, 0, bytearrayinput.Length); cryptostream.FlushFinalBlock(); fsInput.Close(); fsEncrypted.Close(); } static void DecryptFile(string sInputFilename,string sOutputFilename,string sKey) { DESCryptoServiceProvider DES = new DESCryptoServiceProvider(); DES.Key = ASCIIEncoding.ASCII.GetBytes(sKey); DES.IV = ASCIIEncoding.ASCII.GetBytes(sKey); DES.Mode = CipherMode.CFB; DES.Padding = PaddingMode.ISO10126; FileStream fsread = new FileStream(sInputFilename,FileMode.Open,FileAccess.Read); ICryptoTransform desdecrypt = D