| |
Pat.
No. |
Title |
| 301. |
5,526,428
Access control apparatus and method Jun. 11, 1996 |
| 302. |
5,524,134
Telecommunications security module |
| 303. |
5,524,072
Methods and apparatus for data encryption and transmission |
| 304. |
5,519,778
Method for enabling users of a cryptosystem to generate and use a private
pair key for enciphering communications between the users |
| 305. |
5,517,614
Data compression/encryption processing apparatus |
| 306. |
5,517,569
Methods and apparatus for interfacing an encryption module with a personal
computer |
| 307. |
5,517,568
Method of detecting unauthorized use of a wireless communication channel |
| 308. |
5,515,540
Microprocessor with single pin for memory wipe |
| 309. |
5,515,438
Quantum key distribution using non-orthogonal macroscopic signals |
| 310. |
5,515,307
Pseudo-random generator |
| 311. |
5,513,272
System for verifying use of a credit/identification card including recording
of physical attributes of unauthorized users |
| 312. |
5,513,263
Method for establishing classes within a communication network |
| 313. |
5,513,262
Device for enciphering and deciphering, by means of the DES algorithm, data
to be written to be read from a hard disk |
| 314. |
5,513,260
Method and apparatus for copy protection for various recording media |
| 315. |
5,513,133
Compact microelectronic device for performing modular multiplication and
exponentiation over large numbers |
| 316. |
5,512,977
Copying machine with encryption function |
| 317. |
5,511,123
Symmetric cryptographic system for data encryption |
| 318. |
5,511,122
Intermediate network authentication |
| 319. |
5,509,109
Slogan and inscription control system for a mailing machine |
| 320. |
5,509,074
Method of protecting electronically published materials using cryptographic
protocols |
| 321. |
5,507,489
Electronic game-of-chance device |
| 322. |
5,505,494
System for producing a personal ID card |
| 323. |
5,505,449
Video lottery system with improved site controller and validation unit |
| 324. |
5,504,817
Method and apparatus for memory efficient variants of public key encryption
and identification schemes for smart card applications |
| 325. |
5,504,816
Method and apparatus for controlling access to digital signals |
| 326. |
5,502,767
Method for maintaining secure information synchronization on a control
channel |
| 327. |
5,499,816
Dynamic lottery ticket validation system |
| 328. |
5,499,296
Natural input encryption and method of use |
| 329. |
5,497,420
Cable TV system using passwords |
| 330. |
5,497,419
Method and apparatus for recording sensor data |
| 331. |
5,488,661
Data communication system and method with data scrambling |
| 332. |
5,488,659
encryption/decryption process and apparatus for a multichannel television
system |
| 333. |
5,488,358
Electronic combination lock with closure and locking verification |
| 334. |
5,485,474
Scheme for information dispersal and reconstruction |
| 335. |
5,483,598
Message encryption using a hash function |
| 336. |
5,483,596
Apparatus and method for controlling access to and interconnection of computer
system resources |
| 337. |
5,483,595
Paging device including password accessed stored cryptographic keys |
| 338. |
5,481,611
Method and apparatus for entity authentication |
| 339. |
5,481,610
Digital radio transceiver with encrypted key storage |
| 340. |
5,479,514
Method and apparatus for encrypted communication in data networks |
| 341. |
5,479,513
Fast and secure encryption-decryption method based on chaotic dynamics |
| 342. |
5,479,512
Method and apparatus for performing concryption |
| 343. |
5,475,839
Method and structure for securing access to a computer system |
| 344. |
5,475,763
Method of deriving a per-message signature for a DSS or El Gamal encryption
system |
| 345. |
5,475,757
Secure data transmission method |
| 346. |
5,475,756
Method of authenticating a terminal in a transaction execution system |
| 347. |
5,473,696
Method and apparatus for combined encryption and scrambling of information
on a shared medium network |
| 348. |
5,473,693
Apparatus for avoiding complementarity in an encryption algorithm |
| 349. |
5,473,692
Roving software license for a hardware agent |
| 350. |
5,465,401
Communication system and methods for enhanced information transfer |
| 351. |
5,463,690
Method and apparatus for public key exchange in a cryptographic system |
| 352. |
RE35,078
Method and apparatus for encrypting and decrypting time domain signals |
| 353. |
5,461,674
Method and apparatus for controlling playback of recorded HDTV signals |
| 354. |
5,457,748
Method and apparatus for improved security within encrypted communication
devices |
| 355. |
5,455,953
Authorization system for obtaining in single step both identification and
access rights of client to server directly from encrypted authorization
ticket |
| 356. |
5,455,864
Encrypted paging message transmission |
| 357. |
5,455,863
Method and apparatus for efficient real-time authentication and encryption
in a communication system |
| 358. |
5,455,862
Apparatus and method for encrypting communications without exchanging an
encryption key |
| 359. |
5,455,861
Secure telecommunications |
| 360. |
5,454,039
Software-efficient pseudorandom function and the use thereof for encryption |
| 361. |
5,452,358
Method and apparatus for improving the security of an electronic codebook
encryption scheme utilizing a data dependent encryption function |
| 362. |
5,452,357
Method and apparatus for access control and/or identification |
| 363. |
5,452,355
Tamper protection cell |
| 364. |
5,450,491
Authenticator card and system |
| 365. |
5,448,641
Postal rating system with verifiable integrity |
| 366. |
5,448,639
Digital signature device |
| 367. |
5,448,638
Security apparatus and system for retail environments |
| 368. |
5,444,782
Computer network encryption/decryption device |
| 369. |
5,442,708
Computer network encryption/decryption device |
| 370. |
5,442,706
Secure mobile storage |
| 371. |
5,442,703
Method for identifying corrupt encryption keys within a secure communication
system |
| 372. |
5,442,702
Method and apparatus for privacy of traffic behavior on a shared medium
network |
| 373. |
5,442,699
Searching for patterns in encrypted data |
| 374. |
5,440,640
Multistream encryption system for secure communication |
| 375. |
5,440,257
Edge-detecting pulse generator |
| 376. |
5,438,622
Method and apparatus for improving the security of an electronic codebook
encryption scheme utilizing an offset in the pseudorandom sequence |
| 377. |
5,436,972
Method for preventing inadvertent betrayal by a trustee of escrowed digital
secrets |
| 378. |
5,436,970
Method and apparatus for transaction card verification |
| 379. |
5,434,920
Secure telecommunications |
| 380. |
5,434,919
Compact endorsement signature systems |
| 381. |
5,434,918
Method for providing mutual authentication of a user and a server on a
network |
| 382. |
5,432,850
Method and apparatus for secure data transmission |
| 383. |
5,432,848
DES encryption and decryption unit with error checking |
| 384. |
5,432,329
Automated holographic optical recognition and decoding system for
verification |
| 385. |
5,428,686
Secure communication system having long-term keying variable |
| 386. |
5,426,762
System for determining a truth of software in an information processing
apparatus |
| 387. |
5,425,102
Computer security apparatus with password hints |
| 388. |
5,422,954
Apparatus and method of producing a self printed inspection label |
| 389. |
5,420,926
Anonymous credit card transactions |
| 390. |
5,420,925
Rolling code encryption process for remote keyless entry system |
| 391. |
5,420,924
Secure identification card and method and apparatus for producing and
authenticating same by comparison of a portion of an image to the whole |
| 392. |
5,420,922
System for the safe transmission of messages |
| 393. |
5,418,855
Authentication system and method |
| 394. |
5,416,842
Method and apparatus for key-management scheme for use with internet protocols
at site firewalls |
| 395. |
5,416,840
Software catalog encoding method and system |
| 396. |
5,414,772
System for improving the digital signature algorithm |
| 397. |
5,414,771
System and method for the creation of random sequences and for the cryptographic
protection of communications |
| 398. |
5,414,651
Arithmetic unit for multiplying long integers modulo M and R.S.A. converter
provided with such multiplication device |
| 399. |
5,412,730
Encrypted data transmission system employing means for randomly altering
the encryption keys |
| 400. |
5,412,729
Device and method for data encryption May 2, 1995 |