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4.4.2 Command Description
Each device has 3 PSWs, which are 8 bits number. It follows the component number, they
are called PSW1. PSW2. PSW3. PSW is used as password authentication before the input of
Master KEY and Authentication Key component. PSW1 controls the first component input
permission; PSW2 controls the second component input permission; PSW3 controls the third
component input permission.
Before using PED, acquirers must set the PSW in a secure environment. Without the PSW,
the input of PED Master KEY and Authentication Key component cannot be functional. Once
a PSW is set, it cannot be changed within the PED's lifecycle.
PSW Setting Process:
PSW is manually input by Administrator from the PED's keyboard. The setting and input
screen is show as the figure below:
Enter password 1 (corresponding control the input of KEY components1)
Enter password 2 (corresponding control the input of KEY components2)
Enter password 3 (corresponding control the input of KEY components3)
Choose Directory
Setting PSW1、PSW2、PSW3
Input PSW1：
Input PSW2：
Input PSW3：
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