DecryptFile(EncryptionProvider,String,String,String,Boolean) Method

Visual Basic
C#
Delphi
JScript
Managed Extensions for C++
C++/CLI

'Declaration
 
Public Overloads Function DecryptFile( _
   ByVal encryptionType As EncryptionProvider, _
   ByVal key As System.String, _
   ByVal inputFilePath As System.String, _
   ByVal outputFilePath As System.String, _
   ByVal useBase64 As System.Boolean _
) As System.Boolean

'Usage
 
Dim instance As Encryption
Dim encryptionType As EncryptionProvider
Dim key As System.String
Dim inputFilePath As System.String
Dim outputFilePath As System.String
Dim useBase64 As System.Boolean
Dim value As System.Boolean
 
value = instance.DecryptFile(encryptionType, key, inputFilePath, outputFilePath, useBase64)

public System.bool DecryptFile( 
   EncryptionProvider encryptionType,
   System.string key,
   System.string inputFilePath,
   System.string outputFilePath,
   System.bool useBase64
)

public function DecryptFile( 
    encryptionType: EncryptionProvider;
    key: System.String;
    inputFilePath: System.String;
    outputFilePath: System.String;
    useBase64: System.Boolean
): System.Boolean;

public function DecryptFile( 
   encryptionType : EncryptionProvider,
   key : System.String,
   inputFilePath : System.String,
   outputFilePath : System.String,
   useBase64 : System.boolean
) : System.boolean;

public: System.bool DecryptFile( 
   EncryptionProvider encryptionType,
   System.string* key,
   System.string* inputFilePath,
   System.string* outputFilePath,
   System.bool useBase64
)

public:
System.bool DecryptFile( 
   EncryptionProvider encryptionType,
   System.String^ key,
   System.String^ inputFilePath,
   System.String^ outputFilePath,
   System.bool useBase64
)

Parameters

encryptionType: The encryption algorithm to use
key: The encryption password
inputFilePath: The encrypted file
outputFilePath: The output decrypted file
useBase64: If true, the file is base64 encoded

C#

Encryption encryption = new Encryption(); //Trial Mode
//Encryption encryption = new Encryption("place user name here", "place license key here"); //License Mode
 
File.WriteAllText("input.txt", "This is a test");
 
encryption.EncryptFile(EncryptionProvider.Rijndael, "My Password", "input.txt", "encrypted.txt", false);
 
bool decryptedSucessfully = encryption.DecryptFile(EncryptionProvider.Rijndael, "My Password", "encrypted.txt", "decrypted.txt", false);
 
Console.WriteLine("Decrypted successfully: {0}", decryptedSucessfully);

VB.NET

Dim encryption As New Encryption() 'Trial Mode
'Dim encryption As New Encryption("place user name here", "place license key here") 'License Mode
 
File.WriteAllText("input.txt", "This is a test")
 
encryption.EncryptFile(EncryptionProvider.Rijndael, "My Password", "input.txt", "encrypted.txt", False)
 
Dim decryptedSucessfully As Boolean = encryption.DecryptFile(EncryptionProvider.Rijndael, "My Password", "encrypted.txt", "decrypted.txt", False)
 
Console.WriteLine("Decrypted successfully: {0}", decryptedSucessfully)

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

Encryption Class
Encryption Members
Overload List