Method and apparatus for securely transmitting keys from a...
Method and arrangement for variably generating cryptographic...
Method and device for franking postal deliveries
Method and postal apparatus with a chip card write/read unit...
Method and system for detecting duplicate printing of...
Method and system for generating characterizing information...
Method and system for protection against replay of an...
Method and system for providing value-added services
Method and system for selectively interacting with a postage...
Method for access control in a virtual postage metering system
Method for auditing a database and system for carrying out...
Method for certifying public keys used to sign postal...
Method for dynamically using cryptographic keys in a postage...
Method for improving the security of postage meter machines...
Method for operating a postage meter and addressing machine
Method for protecting a device against operation with...
Method for re-keying postage metering devices
Method for reissuing digital tokens in an open metering system
Method for reissuing digital tokens in an open metering system
Method for reissuing indicium in a postage metering system