IUnknown

This function copies the length of pwz and the pointer pwz into the UNICODE_STRING structure This function is intended for serializing a credential in

The following function is intended to be used ONLY with the Kerb*Pack functions. It does no bounds-checking because its callers have precise requirem

Retrieves the 'negotiate' AuthPackage from the LSA. In this case, Kerberos For more information on auth packages see this msdn page: http://msdn.micro

Boilerplate code to create our provider.

Copies the field descriptor pointed to by rcpfd into a buffer allocated using CoTaskMemAlloc. Returns that buffer in ppcpfd.

Coppies rcpfd into the buffer pointed to by pcpfd. The caller is responsible for allocating pcpfd. This function uses CoTaskMemAlloc to allocate memor

Sets ppwsz to the string value of the field at the index dwFieldID

FUNCTION: InitInstance(HINSTANCE, int) PURPOSE: Saves instance handle and creates main window COMMENTS: In this function, we save the instance hand

Initializes one credential with the field information passed in. Set the value of the SFI_LARGE_TEXT field to pwzUsername.

Initialize the members of a KERB_INTERACTIVE_UNLOCK_LOGON with weak references to the passed-in strings. This is useful if you will later use KerbInt

FUNCTION: MyRegisterClass() PURPOSE: Registers the window class.

If pwzPassword should be encrypted, return a copy encrypted with CredProtect. If not, just return a copy.

This function packs the string pszSourceString in pszDestinationString for use with LSA functions including LsaLookupAuthenticationPackage.

Return a copy of pwzToProtect encrypted with the CredProtect API. pwzToProtect must not be NULL or the empty string.

<summary> Reads the value from the registry by name. If the command isn't there, populates it with default </summary>

Message handler for about box.

IUnknown

IUnknown

LogonUI calls this in order to give us a callback in case we need to notify it of anything.

Called by LogonUI to give you a callback. Providers often use the callback if they some event would cause them to need to change the set of tiles tha

This is the constructor of a class that has been exported. see RegProvider.h for the class definition

Called when the user clicks a command link. We have no command links.

IClassFactory

Concatonates pwszDomain and pwszUsername and places the result in *ppwszDomainUsername.

Get the image to show in the user tile

Called iteratively to fill the combobox with the string (ppwszItem) at index dwItem.

Returns the credential at the index specified by dwIndex. This function is called by logonUI to enumerate the tiles.

Sets pdwCount to the number of tiles that we wish to show at this time. Sets pdwDefault to the index of the tile which should be used as the default.

Gets the field descriptor for a particular field.

Called by LogonUI to determine the number of fields in your tiles. This does mean that all your tiles must have the same number of fields. This numbe

GetFieldOptions to enable the password reveal button and touch keyboard auto-invoke in the password field.

Get info for a particular field of a tile. Called by logonUI to get information to display the tile.

Collect the username and password into a serialized credential for the correct usage scenario (logon/unlock is what's demonstrated in this sample). L

Sets pdwAdjacentTo to the index of the field the submit button should be adjacent to. We recommend that the submit button is placed next to the last f

Gets the SID of the user corresponding to the credential.

Use the CredPackAuthenticationBuffer and CredUnpackAuthenticationBuffer to convert a 32 bit WOW cred blob into a 64 bit native blob by unpacking it an

Unpack a KERB_INTERACTIVE_UNLOCK_LOGON *in place*. That is, reset the Buffers from being offsets to being real pointers. This means, of course, that

ReportResult is completely optional. Its purpose is to allow a credential to customize the string and the icon displayed in the case of a logon failu

Sets whether the specified checkbox is checked or not.

Called when the user changes the selected item in the combobox.

Similarly to SetSelected, LogonUI calls this when your tile was selected and now no longer is. The most common thing to do here (which we do below) is

LogonUI calls this function when our tile is selected (zoomed) If you simply want fields to show/hide based on the selected state, there's no need to

SetSerialization takes the kind of buffer that you would normally return to LogonUI for an authentication attempt. It's the opposite of ICredentialPr

Sets the value of a field which can accept a string as a value. This is called on each keystroke when a user types into an edit field

SetUsageScenario is the provider's cue that it's going to be asked for tiles in a subsequent call.

This function will be called by LogonUI after SetUsageScenario succeeds. Sets the User Array with the list of users to be enumerated on the logon scre

LogonUI calls this to tell us to release the callback.

Called by LogonUI when the ICredentialProviderEvents callback is no longer valid.

FUNCTION: WndProc(HWND, UINT, WPARAM, LPARAM) PURPOSE: Processes messages for the main window. WM_COMMAND - process the application menu WM_PAINT