Encryption apparatus
Encryption of data in different formats
Encryption of streams of addressed information to be used for pr
Encryption system
File transfer using facsimile modem
Franking machine, with printing device external to secure housin
Imaging processor
Information processor having two-dimensional bar code processing
Initial reporting of remotely generated data
Linear feedback shift registers for data scrambling
Local area nework encryption decryption system
Mail processing system including data center verification for ma
Mail processing system including data center verification...
Message storage security system
Metering system with remotely resettable time lockout
Method and apparatus for authenticating a document
Method and apparatus for encrypted print processing
Method and apparatus for ensuring debiting in a postage meter pr
Method and apparatus for improved security within encrypted comm
Method and apparatus for secure document timestamping