| 1 2 3 4 |
| Patent ID | Title | Date Filed |
| 7032111 | Method for optimizing of data transmission
| December 7, 1999 |
| 7006627 | Cipher block chaining mode in encryption/decryption processing
| September 28, 2001 |
| 7003675 | Encrypted content data structure package and generation thereof
| November 5, 2004 |
| 7003107 | Hybrid stream cipher
| May 22, 2001 |
| 7003106 | Efficient method for multiplication over galois fields
| December 4, 2001 |
| 7000111 | Method for masking secret multiplicands
| November 7, 2000 |
| 6957329 | System for encrypting data from multiple multimedia applications and method thereof
| February 5, 2001 |
| 6947556 | Secure data storage and retrieval with key management and user authentication
| August 21, 2000 |
| 6940975 | Encryption/decryption apparatus, encryption/decryption method, and program storage medium therefor
| August 19, 1999 |
| 6914985 | Method and system for presentation and manipulation of PKCS enveloped-data objects
| December 14, 1999 |
| 6914984 | Encryption apparatus using data encryption standard algorithm
| June 6, 2001 |
| 6895506 | Secure storage and execution of processor control programs by encryption and a program loader/decryption mechanism
| May 16, 2000 |
| 6891950 | Extended key generator, encryption/decryption unit, extended key generation method, and storage medium
| August 31, 2000 |
| 6889322 | Identification protocols
| January 10, 2000 |
| 6889208 | Contents sale system
| March 9, 2000 |
| 6880080 | Method to provide authorization from a certifying authority to a service provider using a certificate
| July 16, 1999 |
| 6857075 | Key conversion system and method
| December 11, 2000 |
| 6836843 | Access control through secure channel using personal identification system
| June 29, 2001 |
| 6834112 | Secure distribution of private keys to multiple clients
| April 21, 2000 |
| 6831979 | Cryptographic accelerator
| August 14, 2001 |
| 6826691 | Arrangement for encryption/decryption of data and data carrier incorporating same
| November 15, 1999 |
| 6801625 | Apparatus and method for stripping parity bits from an input stream
| December 8, 1999 |
| 6779111 | Indirect public-key encryption
| May 10, 1999 |
| 6778667 | Method and apparatus for integrated ciphering and hashing
| December 30, 1999 |
| 6775771 | Method and system for presentation and manipulation of PKCS authenticated-data objects
| December 14, 1999 |
| 6772341 | Method and system for presentation and manipulation of PKCS signed-data objects
| December 14, 1999 |
| 6769063 | Data converter and recording medium on which program for executing data conversion is recorded
| September 14, 2000 |
| 6766024 | Data communication system
| August 31, 1999 |
| 6760840 | File editing system and shared file editing system with file content secrecy, file version management, and asynchronous editing
| August 26, 1998 |
| 6760438 | System and method for Viterbi decoding on encrypted data
| July 1, 1999 |
| 6735693 | Disk drive comprising encryption circuitry selectively enabled by verifying a circuit that provides plaintext data
| January 28, 2000 |
| 6735310 | Technique of password encryption and decryption for user authentication in a federated content management system
| September 17, 1999 |
| 6732271 | Method of deciphering ciphered data and apparatus for same
| March 31, 2000 |
| 6683954 | Key encryption using a client-unique additional key for fraud prevention
| October 23, 1999 |
| 6631471 | Information processing equipment
| December 10, 1999 |
| 6587842 | Software-based protection system for software products distributed on copyable media, or downloaded over a communications link
| October 1, 1999 |
| 6570988 | Simple technique for implementing a cryptographic primitive using elementary register operations
| June 9, 1999 |
| 6553120 | Method for data decorrelation
| June 28, 1999 |
| 6549622 | System and method for a fast hardware implementation of RC4
| November 23, 1998 |
| 6542607 | Device and method for the cryptographic processing of a digital data stream presenting any number of data
| February 23, 1999 |
| 6537747 | Data transmission using DNA oligomers
| January 28, 1999 |
| 6510349 | Adaptive data security system and method
| March 17, 2000 |
| 6504930 | Encryption and decryption method and apparatus using a work key which is generated by executing a decryption algorithm
| February 25, 1997 |
| 6496582 | Information processing apparatus and method therefor
| January 16, 1997 |
| 6490687 | Login permission with improved security
| March 12, 1999 |
| 6466669 | Cipher processor, IC card and cipher processing method
| December 31, 1998 |
| 6408074 | Hardware architecture for a configurable cipher device
| October 22, 1998 |
| 6404890 | Generating RSA moduli including a predetermined portion
| April 8, 1998 |
| 6363325 | Automotive emergency awareness system
| January 31, 2000 |
| 6360321 | Secure computer system
| November 12, 1999 |
| 6347143 | Cryptographic device with encryption blocks connected parallel
| December 15, 1998 |
| 6337910 | Method and apparatus for generating one time pads simultaneously in separate encryption/decryption systems
| September 9, 1998 |
| 6327654 | Semiconductor integrated circuit for cryptographic process and encryption algorithm alternating method
| September 11, 1998 |
| 6324286 | DES cipher processor for full duplex interleaving encryption/decryption service
| October 5, 1998 |
| 6320964 | Cryptographic accelerator
| August 26, 1998 |
| 6307936 | Cryptographic key management scheme
| September 16, 1998 |
| 6304657 | Data encryption apparatus using odd number of shift-rotations and method
| December 29, 1999 |
| 6301362 | Method and apparatus for cryptographically transforming an input block into an output block
| June 12, 1998 |
| 6298136 | Cryptographic method and apparatus for non-linearly merging a data block and a key
| May 20, 1997 |
| 1 2 3 4 |