Equipment for authentication of documents by electronic signature, comprises identification and man/machine interfaces and a protected circuit to deliver a signature using a stored private key

摘要

The equipment (1) is housed in a box which is protected against break in. An identification interface (10) receives a card (18) which has a logical identification circuit (40) and a man/machine interface (3,4) presents transaction data to a user and also receives identification data and signature orders. A protected circuit (6) delivers a signature from transaction data using a stored private key in response to orders made after identification Independent claims are made for methods used in making the equipment and conducting the transactions