Procedure for cashless payment at the point of sale
DE102012100797A1
authentication device
DE102006062283A1
Method for signing digital data, involves generating hash value from hash function for digital data, where hash value is signed by signature software with electronic signature
DE102006053450A1
signature expansion
DE102005062041A1
Documents transmitting method e.g. for electronic transmission of documents and deduction of tax, involves receiving, on fax receiving server, document sent by sender per facsimile telegraphy
DE102005033195A1
Signed digital document e.g. electronic accounts, delivering and filing method for use in Internet, involves referring data packet from data archive by transceiver, based on indication of identifier that is generated for document
EP1533937A1
Method for authenticating an object
DE10354143A1
Logging method for data on a technical device's condition signs the data while allocating a digital encrypted hash value
