User Manual For Cyclone LC Programmers
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By default, the ImageKey will stay selected in the Image Creation Utility. If a different ImageKey is
required for encryption, or the user does not wish to encrypt their SAP image, the corresponding
change may easily be selected using the drop-down box.
6.1.8.1.2 Encrypting A SAP Image
To create an encrypted programming image, the user sets up their parameters in the Cyclone
Image Creation Utility as usual, and then simply selects the desired ImageKey in the "Image
Encryption" combo-box.
Figure 6-21: ImageKey Selection
The image will automatically be generated as an encrypted image, encrypted with the selected
ImageKey. An encrypted stand-alone programming image is called an eSAP (Encrypted Stand
Alone Programming) file. This eSAP file may be downloaded to any Cyclone which has been
provisioned with the same ImageKey (i.e. the ImageKey has already been added to the Cyclone).
This is discussed in
Section 11.4.1 - Provisioning a Cyclone with an ImageKey
6.1.8.2
Image Restrictions
There are any number of reasons why the user may want to place restrictions on the use of
specific programming images on a Cyclone programmer: from added ease when managing
production to a desire to protect intellectual property.
Cyclone
FX
programmers and
programmers with the ProCryption Security Activation
Figure 6-22: Image Restrictions
This area allows you to specify one or more restrictions and tie them to specific programming
images. Even if restricted programming images are deleted from Cyclone’s internal memory or an
SD card, the Cyclone platform has a persistent memory that continues to tie security restrictions to
that programming image. Thus, if an image is removed and re-added to a Cyclone, the image
counts are maintained and would continue counting from where it left off. Also, if the SD Card is
moved from Cyclone to Cyclone, the count is maintained in both Cyclones as well as the SD Card.
Every time an image is generated by the Cyclone Image Creation utility, it is encoded with a unique
image ID number. All counts are stored relative to this unique ID number. So, when an image is
regenerated in the Cyclone Image Creation utility, it will have its own counts which will not conflict
with the previously generated image, even if the images are otherwise exactly the same. In this
way, the user can regenerate an image to allow a new batch of targets to be programmed.
Note:
The user may set more than one type of restriction on a programming image. The ability to
program the image will be restricted by whichever triggers first. E.g., if the user creates settings to
allow 100 programs, and also sets an allowed date range restriction, the ability to program the
image will be restricted as soon as the first of these conditions is triggered.
Currently the user may set the following restrictions:
6.1.8.2.1 Limit Image Usage Between Dates
When “Limit Usage Between Dates” is checked and the start and end dates are specified with valid
dates (format: DD/MM/YYYY), the Cyclone operator will only be allowed to program the
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