This article provides how to create custom background images for the PGP BootGuard login screen using GIMP.
If you are using PGP Desktop in a PGP Universal Server-managed environment, an administrator can customize the PGP Whole Disk Encryption BootGuard screen to include additional text or a custom image such as your organization's logo.
Custom background images created for the PGP BootGuard screen must meet the following specifications:
XPM files only.
Image size of 640 by 480.
Palette of 15 colors only, including black (one color is reserved for fonts). You do not have to use all 15 colors in the image.
8-bit RGB only (cannot be 16-bit RGB). You can verify you are using 8 bit by looking at the XPM header using a text editor: 8-bit values appear as #285A83 (one hex triplet), 16-bit values appear as #28285A5A8383 (two hex triplets).
This article details how to use GIMP to create a customized PGP BootGuard image. GIMP is a freely distributed image/photo editing software that can be downloaded here.
To create a customized BootGuard image
Install GIMP on your system.
For the Image Size, select 640x480 from the Template dropdown and click OK.
Click File>Open As Layers and browse to your image file.
Select your file and click Open.
On the menu bar, click Image>Mode>Indexed.
Change the Maximum number of colors: from 255 to 15.
Click File>Save As, specify a name for your image and save it as a .xcf file.
Select Image>Merge Visible Layers then Merge.
In the bottom left corner, Expand the + Select File Type, select X Pixmap Image .xpm, then Export.
You can now import the image to the server for your user policy.
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