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Configuring DESFire keys settings in Space


You can configure the settings for DESFire technology from the SAM and issuing data tab.

This process involves:

  • Entering the SAM card data using the Read SAM card button. Note that this step adds the SAM keys to Space. It also SAMs the local encoder.

  • Entering the data for issuing DESFire keys using the Issuing data tabs.

It is assumed that operators who configure DESFire settings are familiar with the technologies and associated terms mentioned in this section.

Note that the key issuing functionality is license-dependent. See Registering and licensing Space for more information or contact your Salto representative.

DESFire keys - 'SAM & issuing data' tabDESFire keys - 'SAM & issuing data' tab

Configuring DESFire keys settings

  1. Select System > SAM & Issuing options.

  2. Click on the DESFire pencil in the Active keys panel on the left of the screen. The screen is updated to show the configuration fields for this option.

  3. The Salto format is selected by default.

This option uses the application identifier. However, you can select the GAT Net format when using Gantner keys with GAT Net lockers or one of the institutional options that have been integrated with Space, if required. Institutional options are applicable if you are using keys provided by government institutions that can be used with various applications. This is relevant for certain countries.

Institutional keys are predefined SAM keys that are included in Space by default and embedded in Space. A certain amount of memory space is reserved for Salto data on institutional keys. Note that a custom format can be used if you want to include the AMK key in institutional keys. This functionality is license-dependent. See Registering, licensing and downloading Space for more information.

  1. Click Read SAM card. A pop-up is displayed asking you to place the key on the encoder.

  2. Place the appropriate SAM card on the encoder when the LED light begins to flash. The corresponding format configuration panel fields are populated.

  3. Select either the 3DES or AES option in the Emission type field. The AES option uses a more complex form of bits encryption.

  4. Type the required value in the DESFire PMK (PICC Master Key) field.

  5. Select the Updatable through NFC checkbox if required.

  6. Select the appropriate value in the Memory size field by using the up and down arrows. This value defines the amount of memory space that is reserved for Salto data in DESFire keys.

  7. Select an option from the Diversification type drop-down list if required. The default option is None. Diversification types are only available for specific Salto projects.

  8. Type the required key in the Transport key field. The transport key might be required if the credential was already issued and protected by another application: the key will allow to access the memory, and to create the Salto application.

  9. Click Save. The SAM & Issuing options is updated.

Consult with your Salto technical support team for more detailed information on any of the DESFire fields and options.

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