Method and device for embedding watermark information and...

Method and device for generating a data stream and method...

Method and device for generating approximate message...

Method and device for generating approximate message...

Method and device for incorporating additional information...

Method and device for incorporating additional information...

Method and device for inserting and authenticating a digital...

Method and device for producing an encrypted payload data...

Method and device for safeguarding of a document with...

Method and device for secure wireless transmission of...

Method and device for the generation of several channels in...

Method and device for the mutual authentication of...

Method and device for the prevention of disparities or error...

Method and device for the protected storage of data from...

Method and device for the transfer of electronic data volumes

Method and structure for challenge-response signatures and...

Method and system for a single-sign-on operation providing...

Method and system for access control of a message queue

Method and system for access validation in a computer system

Method and system for application of a safety marking