US Patent No: 6,275,934
Number of patents in Portfolio can not be more than 2000
Authentication for information exchange over a communication network
Stats
-
Aug 14, 2001
Issued date -
Oct 16, 1998
filing date -
09/173,970
serial no -
In Force
status
Importance
Loading Importance Indicators...
Abstract
The present invention is a method and apparatus for authenticating an information exchange between a host and a guest on a network. The host has a host key and the guest has a guest key. An authenticating server authenticates the guest. The authenticating server uses the host key and the guest key. The guest authenticates the authenticating server using the guest key. The host authenticates the guest and the authenticating server using the host key.
Loading the Abstract Image...
First Claim
Related Publications
Loading Related Publications...
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
|
|
|||
| 5,146,552 Method for associating annotation with electronically published material | 243 | 1990 | |
| 5,247,661 Method and apparatus for automated document distribution in a data processing system | 109 | 1990 | |
| 5,367,621 Data processing method to provide a generalized link from a reference point in an on-line book to an arbitrary multimedia object which can be dynamically updated | 233 | 1991 | |
| 5,214,696 Data processing system and method to produce softcopy book readers which are limited to reading only books published by a specific publisher | 44 | 1992 | |
| 5,392,387 Method and system for enhanced data access efficiency in an electronic book | 77 | 1992 | |
| 5,463,725 Data processing system graphical user interface which emulates printed material | 189 | 1992 | |
| 5,598,470 Method and apparatus for enabling trial period use of software products: Method and apparatus for utilizing a decryption block | 122 | 1994 | |
| 2002/0133,735 System and method for efficient failover/failback techniques for fault-tolerant data storage system | 2 | 2001 | |
|
|
|||
| 4,972,496 Handwritten keyboardless entry computer system | 243 | 1987 | |
| 5,133,076 Hand held computer | 133 | 1989 | |
| 5,157,737 Handwritten keyboardless entry computer system | 78 | 1990 | |
| 5,091,939 Method and apparatus for password protection of a computer | 49 | 1990 | |
| 5,226,080 Method and apparatus for password protection of a computer | 58 | 1991 | |
| 5,365,598 Handwritten keyboardless entry computer system | 58 | 1992 | |
| 5,333,116 Combination laptop and pad computer | 61 | 1993 | |
|
|
|||
| D362271 Electronic book with display screen and folding cover | 15 | 1994 | |
| D362272 Electronic book with display screen | 24 | 1994 | |
| D362461 Electronic book with display screen and speaker | 27 | 1994 | |
|
|
|||
| 5,629,980 System for controlling the distribution and use of digital works | 948 | 1994 | |
| 5,638,443 System for controlling the distribution and use of composite digital works | 675 | 1994 | |
|
|
|||
| 4,597,058 Cartridge programming system | 234 | 1983 | |
| 4,725,977 Cartridge programming system and method using a central and local program library | 80 | 1986 | |
|
|
|||
| 4,649,499 Touchscreen two-dimensional emulation of three-dimensional objects | 94 | 1984 | |
| 4,918,632 Notebook mountable computer system | 69 | 1988 | |
|
|
|||
| 5,115,508 Password system utilizing two password types, the first being changeable after entry, the second being unchangeable until power is removed | 33 | 1988 | |
| 5,203,001 Portable computer having an updatable table of starting addresses for accessing those stored programs having been previously executed | 15 | 1989 | |
|
|
|||
| 5,199,104 Electronic organizer with electronic book marker | 72 | 1989 | |
| 5,477,510 Optical disc playback and display apparatus | 33 | 1993 | |
|
|
|||
| 5,734,891 Systems and apparatus for electronic communication and storage of time encoded information | 198 | 1996 | |
| 5,734,823 Systems and apparatus for electronic communication and storage of information | 346 | 1996 | |
|
|
|||
| 4,682,161 Variable size character display without loss of obscured character positions | 23 | 1984 | |
| 4,779,080 Electronic information display systems | 68 | 1986 | |
|
|
|||
| 5,465,213 System and method of manufacturing a single book copy | 190 | 1993 | |
|
|
|||
| 5,398,310 Pointing gesture based computer note pad paging and scrolling interface | 143 | 1992 | |
|
|
|||
| 5,253,294 Secure transmission system | 68 | 1983 | |
|
|
|||
| D359306 Electronic book computer for entering and reading written material | 40 | 1992 | |
|
|
|||
| 4,575,621 Portable electronic transaction device and system therefor | 341 | 1984 | |
|
|
|||
| 5,222,136 Encrypted communication system | 60 | 1992 | |
|
|
|||
| D289777 Credit card actuated terminal for controlling the dispense of motor fuel or similar article | 22 | 1984 | |
|
|
|||
| 5,065,345 Interactive audiovisual control mechanism | 94 | 1990 | |
|
|
|||
| 5,404,505 System for scheduling transmission of indexed and requested database tiers on demand at varying repetition rates | 319 | 1991 | |
|
|
|||
| 5,719,943 Digital information signal transmitting/receiving method and system | 36 | 1995 | |
|
|
|||
| 5,359,707 Document processor having a programmable dictionary | 13 | 1994 | |
|
|
|||
| 4,591,974 Information recording and retrieval system | 56 | 1984 | |
|
|
|||
| 5,031,119 Split screen keyboard emulator | 41 | 1989 | |
|
|
|||
| 5,021,989 Document browsing apparatus with concurrent processing and retrievel | 71 | 1990 | |
|
|
|||
| 4,899,292 System for storing and retrieving text and associated graphics | 174 | 1988 | |
|
|
|||
| 5,025,373 Portable personal-banking system | 238 | 1988 | |
|
|
|||
| 5,239,665 Electronic book having several keys for changing pages and underlining certain portions of text | 74 | 1992 | |
|
|
|||
| 5,467,102 Portable display device with at least two display screens controllable collectively or separately | 177 | 1995 | |
|
|
|||
| 5,109,354 Electronic system pocketbook apparatus | 64 | 1990 | |
|
|
|||
| 4,985,697 Electronic book educational publishing method using buried reference materials and alternate learning levels | 85 | 1988 | |
|
|
|||
| 5,684,950 Method and system for authenticating users to multiple computer servers via a single sign-on | 219 | 1996 | |
|
|
|||
| 4,916,441 Portable handheld terminal | 703 | 1988 | |
|
|
|||
| 5,121,492 System for simulating access times of a CD ROM on a hard disk by slowing the operation of the hard disk | 31 | 1987 | |
|
|
|||
| D330544 Combined electronic equipment cabinet and controls | 32 | 1990 | |
|
|
|||
| 5,697,793 Electronic book and method of displaying at least one reading metric therefor | 66 | 1995 | |
|
|
|||
| 5,221,838 Electronic wallet | 457 | 1992 | |
|
|
|||
| D339329 Public information access terminal | 20 | 1990 | |
|
|
|||
| 4,855,725 Microprocessor based simulated book | 244 | 1988 | |
|
|
|||
| 4,545,023 Hand-held computer | 205 | 1984 | |
|
|
|||
| 5,339,091 Paperless portable book | 173 | 1992 | |
|
|
|||
| 5,483,586 Electronic on-line subscriber telephone directory | 149 | 1994 | |
|
|
|||
| 5,457,746 System and method for access control for portable data storage media | 363 | 1994 | |
|
|
|||
| 5,245,656 Security method for private information delivery and filtering in public networks | 86 | 1992 | |
|
|
|||
| 5,231,662 Method and device for enciphering data to be transferred and for deciphering the enciphered data, and a computer system comprising such a device | 35 | 1991 | |
|
|
|||
| 5,379,057 Portable computer with touch screen and computer system employing same | 258 | 1993 | |
|
|
|||
| 5,784,463 Token distribution, registration, and dynamic configuration of user entitlement for an application level security system and method | 143 | 1996 | |
|
|
|||
| 5,615,264 Encrypted data package record for use in remote transaction metered data system | 112 | 1995 | |
|
|
|||
| 5,157,783 Data base system which maintains project query list, desktop list and status of multiple ongoing research projects | 135 | 1988 | |
|
|
|||
| 5,428,606 Digital information commodities exchange | 434 | 1993 | |
|
|
|||
| 5,388,196 Hierarchical shared books with database | 222 | 1990 | |
|
|
|||
| D276626 Combined automatic information terminal and vending machine | 47 | 1981 | |
| 4,490,810 Automated instruction, game and data retrieval system | 122 | 1982 | |
| 4,601,011 User authorization verification apparatus for computer systems including a central device and a plurality of pocket sized remote units | 62 | 1985 | |
| 4,820,167 Electronic school teaching system | 120 | 1987 | |
| 5,233,333 Portable hand held reading unit with reading aid feature | 79 | 1990 | |
| 5,157,491 Method and apparatus for video broadcasting and teleconferencing | 153 | 1990 | |
| 5,319,582 Detachable portable personal computer | 38 | 1991 | |
| D346620 Electronic book for displaying sheet music | 22 | 1992 | |
| 5,475,399 Portable hand held reading unit with reading aid feature | 138 | 1993 | |
| 5,438,344 Portable video book | 21 | 1994 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Feb 14, 2013 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
| Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |