LandOfFree - US Patents - Listing for Cryptography

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Blind encryption

Cryptography – Particular algorithmic function encoding – Public key

Blind signature systems

Cryptography – Particular algorithmic function encoding – Public key

Blind unanticipated signature systems

Cryptography – Video cryptography – Video electric signal modification

Blind watermarking of audio signals by using phase...

Cryptography – Particular algorithmic function encoding

Block cipher algorithm having a robust security against...

Cryptography – Particular algorithmic function encoding

Block cipher apparatus using auxiliary transformation

Cryptography – Communication system using cryptography – Time segment interchange

Block cipher for small selectable block sizes

Cryptography – Communication system using cryptography – Time segment interchange

Block cipher method

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Block cipher mode of operation for secure, length-preserving enc

Cryptography – Communication system using cryptography – Time segment interchange

Block cipher using key data merged with an intermediate...

Cryptography – Video cryptography

Block ciphering system, using permutations to hide the core...

Cryptography – Communication system using cryptography – Time segment interchange

Block encoding method and block encoding/decoding circuit

Cryptography – Key management – Having particular key generator

Block encryption algorithm with data-dependent rotations

Cryptography – Communication system using cryptography – Time segment interchange

Block encryption algorithm with data-dependent rotations

Cryptography – Particular algorithmic function encoding

Block encryption device using auxiliary conversion

Cryptography – Particular algorithmic function encoding

Block encryption method and schemes for data confidentiality...

Cryptography – Communication system using cryptography – Time segment interchange

Block substitution based encryption by a modulo 2 addition metho

Cryptography – Communication system using cryptography – Time segment interchange

Block-cipher cryptographic device based upon a pseudorandom nonl

Cryptography – Video cryptography – Video electric signal modification

Book data service system with data delivery by broadcasting