Patent ID: 7934099

Claim:
An apparatus for connection to a computer for the purpose of secure creation of digital signatures and/or for the purpose of secure authentication of users using cryptographic keys and algorithms stored on a chip card and required for the signature/authentication, the apparatus comprising: a chip card read/write apparatus for connecting the chip card and an interface for connection to the computer using a protocol provided as standard in the computer's operating system; a first drive for read operations, an http responder, and a second drive for read/write operations, at least one of the first and second drives being simulated to the computer; an interface memory area for data interchange between the apparatus and the computer; a table with configuration data in the form of data pairs including the chip card's ATR and commands to be blocked; and internal software for controlling functions of the apparatus taking into account the configuration data and for facilitating communication between said interface memory area and said chip card read/write apparatus.