public void Decrypt(string sousreFileName, string destFileName, string keyFilename) { RSAKey privateKey = KeyFileReader.ReadKey(keyFilename); FileStream sourseFileStream = new FileStream(sousreFileName, FileMode.Open); FileStream destFileStream = new FileStream(destFileName, FileMode.Create); using (BinaryWriter binaryWriter = new BinaryWriter(destFileStream)) { using (BinaryReader binaryReader = new BinaryReader(sourseFileStream)) { while (binaryReader.BaseStream.Position != binaryReader.BaseStream.Length) { binaryWriter.Write(Convert.ToByte(PowModFast(binaryReader.ReadInt64(), privateKey.data, privateKey.N))); } } } sourseFileStream.Close(); destFileStream.Close(); }
public void Encrypt(string sourceFileName, string destinationFileName, string keyFileName) { RSAKey publickey = KeyFileReader.ReadKey(keyFileName); FileStream sourceFileStream = new FileStream(sourceFileName, FileMode.Open); FileStream destinationFileStream = new FileStream(destinationFileName, FileMode.Create); using (BinaryWriter binaryWriter = new BinaryWriter(destinationFileStream)) { using (BinaryReader binaryReader = new BinaryReader(sourceFileStream)) { while (binaryReader.BaseStream.Position != binaryReader.BaseStream.Length) { binaryWriter.Write(PowModFast(Convert.ToInt64(binaryReader.ReadByte()), publicKey.Data, publicKey.N)); } } } sourceFileStream.Close(); destinationFileStream.Close(); }