WMRMProtect.ProtectFile

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WMRMProtect.ProtectFile

The ProtectFile method encrypts the file specified by the InputFile property.

Syntax

  WMRMProtect
  .ProtectFile(
  bstrFileName
  )

Parameters

bstrFileName

[in] String containing the path and name of the encrypted output file to be generated.

Return Values

If the method succeeds, it returns S_OK. If it fails, it returns a number in the error object.

Return code	Description
0x80004005	An unspecified error occurred.
0x80070057	The specified parameter is not valid.

Example Code

      Dim sKID, sCID, sSeed, sKey, sHeader
    Dim sPrivKey, sPubKey
    Dim HeaderObj
    Dim KeysObj
    Dim ProtectObj

' Create objects.

    Set HeaderObj = Server.CreateObject("Wmrmobjs.WMRMHeader")
    Set KeysObj = Server.CreateObject("Wmrmobjs.WMRMKeys")
    Set ProtectObj = Server.CreateObject("Wmrmobjs.WMRMProtect")




















' Require individualization version 2.2.
' Version numbers change. Verify that this number is up to date.

.IndividualizedVersion="2.2"
















HeaderObj.SetCheckSum(sKey)

' Replace XXX with the packaging server's private key. 

    = "XXX"

' Sign the header.



' Retrieve the string containing the header.

    sHeader = HeaderObj.Header

' Set the header string into the WMRMProtect object.

    ProtectObj.Header = sHeader

' Set the key into the WMRMProtect object.

    ProtectObj.Key = sKey

' Specify the name of the file to be protected.

    ProtectObj.InputFile = "c:\input_file.wmv"

' Generate a protected file.

    ProtectObj.ProtectFile("c:\output_file_1.wmv")

Requirements

Version: Windows Media Rights Manager 7 SDK or later

Reference: wmrmobjs 1.0 Type Library

Library: wmrmobjs.dll

Platform: Windows Server 2003

See Also

• WMRMProtect Object
• WMRMProtect.WriteFile

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