ACS AET63 BioTRUSTKey - Manual (Page 3)

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Document Title Here AET63 Reference Manual
Version 2.2
Page 3 of 26
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1.0. Introduction
The AET63 BioTRUSTKey provides an interface for communication between a computer, a smart
card, and TFM (Trusted Fingerprint Module). Because different types of smart cards have their own
sets of communication protocols and commands, direct communication between a smart card and a
computer is prevented in most cases. The BioTRUSTKey establishes a uniform interface between a
computer and a smart card for a wide variety of cards. By taking care of card specifics, it relieves the
program developer of having to study details of smart card operation – which are, in many cases, not
relevant to the implementation of a smart card-based system.
The AET63 BioTRUSTKey is connected to the computer through USB interface. The reader accepts
commands from the computer, carries out the specified function at the smart card and/or TFM, and
returns the requested data or status information.