Digital watermarking systems
Digital watermarking to resolve multiple claims of ownership
Digital watermarks
Digital watermarks for checking authenticity of printed objects
Digital watermarks for checking authenticity of printed objects
Digital watermarks with values derived from remote platforms
Digitally certified stationery
Digitally signing an electronic document with a user-entered...
Digitally watermarked maps and signs and related...
Directoryless public key cryptographic system and method
Directoryless public key cryptographic system and method
Disabling on/off capacity on demand
Discovery and authentication scheme for wireless mesh networks
Disk drive comprising encryption circuitry selectively...
Disk drive, control method thereof and disk-falsification...
Distributed cryptographic methods and arrangements
Distributed digital signature generation method and...
Distributed indexing of identity information in a...
Distributed information system and protocol for affixing...
Distributed object system and service supply method therein