Positive identification system and method

Post-initialization of chip cards

Postage meter machine with a chip card write/read unit and metho

Practical S box design

Preboot protection for a data security system with anti-intrusio

Preboot protection of unauthorized use of programs and data with

Preboot protection of unauthorized use of programs and data with

Preventing replay attacks on digital information distributed by

Procedure and decoder for decrypting a coded video signal

Process and apparatus for authenticating the signature of a sign

Process and apparatus for the protection of secret elements in a

Process and circuit layout for the recognition of an identificat

Process and device for activating a chip card

Process for authentication, by an outside medium, of a portable

Process for cryptographic key generation and safekeeping

Process for detecting unauthorized introduction of any data tran

Process for encrypting a fingerprint onto an I.D. card

Process for exchange of rights between microprocessor cards

Process for improving public key authentication

Process for pledging data for a secure data exchange protocol