expression.PasswordEncryptionProvider
expression Required. An expression that returns one of the objects in the Applies To list.
Remarks
Use the SetPasswordEncryptionOptions method to specify the algorithm PowerPoint uses for encrypting documents with passwords.
Example
This example sets the password encryption options if the password encryption algorithm in use is not the Microsoft RSA SChannel Cryptographic Provider.
Sub PasswordSettings()
With ActivePresentation
If .PasswordEncryptionProvider <> "Microsoft RSA SChannel Cryptographic Provider" Then
.SetPasswordEncryptionOptions _
PasswordEncryptionProvider:="Microsoft RSA SChannel Cryptographic Provider", _
PasswordEncryptionAlgorithm:="RC4", _
PasswordEncryptionKeyLength:=56, _
PasswordEncryptionFileProperties:=True
End If
End With
End Sub