WMRMKeys.GenerateKey
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WMRMKeys.GenerateKey
The GenerateKey method creates the content key used to protect content.
Syntax
String = WMRMKeys .GenerateKey()
Parameters
This method takes no parameters.
Return Values
If the method succeeds, it returns a String containing the content key. 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. |
Remarks
You must set WMRMKeys.KeyID and WMRMKeys.Seed before calling the GenerateKey method. The key is generated from the key ID and the license key seed.
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
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