SCITEX MICROGUARD KEY - HELP

Hi
I habe bought this 4 dongle.
Could you tell me what it is?
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1) S/W KEY,FAF VER 2.1.4 (USB) CAT NO: 501V1N053 Key S/N: 7207139
2) S/W KEY,SCITEX REMAKE (USB) CAT NO: 501V1N051 Key S/N: 3607070
3) S/W KEY,SCITEX REMAKE CAT NO: 501V50073 Key S/N: 3610968

Thank you for help