LandOfFree - US Patents - Listing for Cryptography

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Method and apparatus for document verification and tracking

Cryptography – Key management – Having particular key generator

Method and apparatus for dynamically customizing electronic info

Cryptography – By modifying optical image

Method and apparatus for editing and reading edited...

Cryptography – Communication system using cryptography

Method and apparatus for effecting secure document format...

Cryptography – Communication system using cryptography – Symmetric key cryptography

Method and apparatus for efficient irregular synchronization...

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Method and apparatus for efficient real-time authentication and

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Method and apparatus for efficient real-time authentication and

Cryptography – Key management – Key distribution

Method and apparatus for efficiently initializing mobile...

Cryptography – Cryptanalysis

Method and apparatus for electronic license distribution

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Method and apparatus for electronic license distribution

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Method and apparatus for electronic licensing

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Method and apparatus for electronically preventing unauthorized

Cryptography – Key management – Having particular key generator

Method and apparatus for eliminating ionospheric delay error in

Cryptography – Particular algorithmic function encoding

Method and apparatus for elliptic curve cryptography and...

Cryptography – Key management – Key distribution

Method and apparatus for elliptic curve scalar multiplication

Cryptography – Key management – Key distribution

Method and apparatus for elliptic curve scalar multiplication

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Method and apparatus for embedding authentication information wi

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Method and apparatus for embedding authentication information wi

Cryptography – Video cryptography – Copy protection or prevention

Method and apparatus for embedding data within the vertical...