LandOfFree - US Patents - Listing for Cryptography

Cryptography – Communication system using cryptography

Secret sharing technique with low overhead information content

Cryptography – Communication system using cryptography – Frequency shift or inversion

Secret speech equipment

Cryptography – Particular algorithmic function encoding – Public key

Secret-key certificates

Cryptography – Communication system using cryptography – Data stream/substitution enciphering

Secret-key enciphering method and arrangement therefor capable o

Secure access system utilizing an access card having more than o

Secure access systems and methods utilizing two access cards

Secure access systems utilizing more than one IC card

Cryptography – Key management – Key distribution

Secure address proxying using multi-key cryptographically...

Cryptography – Particular algorithmic function encoding – Public key

Secure anonymous message transfer and voting scheme

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Secure anti-piracy encoded television system and method

Cryptography – By modifying optical image

Secure application of seals

Cryptography – Key management – Key distribution

Secure approach to send data from one system to another

Cryptography – Communication system using cryptography – Wireless communication

Secure audio stream scramble system

Cryptography – Key management – Having particular key generator

Secure authenticated channel

Secure authentication of images

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Secure authentication-key management system and method for mobil

Secure BIOS

Secure boot

Cryptography – Particular algorithmic function encoding – Public key

Secure communication and computation in an insecure environment