| 4438824 |
Apparatus and method for cryptographic identity verification |
| Mar-27-1984 |
The apparatus for identity verification using a data card contains at least one terminal and a security service station. The terminal(s) and the station are connected to each other via a communication... |
| 4423287 |
End-to-end encryption system and method of operation |
| Dec-27-1983 |
An efficient end-to-end encryption system including key management procedures for providing secure, financial data communication between a system user at one of a plurality of transaction terminals of... |
| 4390968 |
Automated bank transaction security system |
| Jun-28-1983 |
A banking system is disclosed which comprises a central computer system in electrical communication with remote automated teller machines, wherein the architecture of the banking system is such that the... |
| 4389266 |
Preparation of glass container for thermoplastic closure |
| Jun-21-1983 |
A method for sealing a rim-like opening in a glass container is described. The surface of the opening is treated with tin and/or titanium oxide precursors and with or without one or more of the groups... |
| 4386233 |
Crytographic key notarization methods and apparatus |
| May-31-1983 |
Cryptographic keys for a cryptographic function are notarized by encrypting the keys with the cryptographic function using a notarizing cryptographic key derived from identifier designations associated... |
| 4376299 |
Data center for remote postage meter recharging system having physically secure encrypting apparatus and employing encrypted seed number signals |
| Mar-8-1983 |
A data center for remote postage meter recharging receives resetting signal information to reset a remotely located postage meter. The remotely located postage meter has signal information stored therein... |
| 4357729 |
Vacuum cleaner control |
| Nov-9-1982 |
A vacuum cleaner structure having a control for reducing the total current delivery to the vacuum cleaner as when both a suction motor thereof and a brush motor thereof are being operated concurrently.... |
| 4328414 |
Multilevel security apparatus and method |
| May-4-1982 |
A card-encoding system and method preserves the security of the encoding process against duplication and counterfeiting of cards by securing the interactions under the control of the individual and then... |
| 4320387 |
Information communicating apparatus and method |
| Mar-16-1982 |
Apparatus and method is provided for secured communication of information as in effecting financial transactions between two individuals. Apparatus is provided in the form of units personal to respective... |
| 4317957 |
System for authenticating users and devices in on-line transaction networks |
| Mar-2-1982 |
A method for efficiently protecting transactions and providing authentication of users and devices in on-line systems that transfer funds electronically, dispense cash, or provide a good or permit a service... |
| 4315101 |
Method and apparatus for securing data transmissions |
| Feb-9-1982 |
A method and apparatus are provided for improving the security of data transmissions between stations and for controlling secured transactions from remote locations in a data-transfer system. The method... |
| 4314097 |
Authenticator device for precluding compensating text modifications in transmitted messages |
| Feb-2-1982 |
An authenticator device designed to preclude undetected compensating text modifications in a message by sequentially processing each character of the message and producing an authenticator code as a result... |
| 4309569 |
Method of providing digital signatures |
| Jan-5-1982 |
The invention comprises a method of providing a digital signature for purposes of authentication of a message, which utilizes an authentication tree function of a one-way function of a secret number. |
| 4304990 |
Multilevel security apparatus and method |
| Dec-8-1981 |
A card-coding system and method preserves the security of the encoding process against duplication and counterfeiting of cards by securing the interactions under the control of the individual and then... |
| 4304961 |
Authenticator code generator |
| Dec-8-1981 |
A device for generating an authenticator code by encrypting the contents of a plain text message in accordance with a unique user supplied authenticator key variable. The device operates in two phases,... |
| 4302810 |
Method and apparatus for secure message transmission for use in electronic funds transfer systems |
| Nov-24-1981 |
An electronic funds transfer system wherein it is required that a bank be reasonably guaranteed that the two parties to a retail transaction (i.e., a person and a retailer) agree on the transaction before... |
| 4295039 |
Method and apparatus for achieving secure password verification |
| Oct-13-1981 |
A method and apparatus for identifying an individual holder (person) of an unalterable charge card-like device (CARD) at a utilization terminal (U/I Terminal) wherein a unique user entered key (asserted... |
| 4288659 |
Method and means for securing the distribution of encoding keys |
| Sep-8-1981 |
An improved secured data transmission system relies on the favorable comparison of coded signals derived from information about authorized individuals and particular data terminals that is both prestored... |
| 4283599 |
Method and apparatus for securing data transmissions |
| Aug-11-1981 |
A method and apparatus are provided for improving the security of data transmissions between stations and for controlling secured transactions from remote locations in a data-transfer system. The method... |
| 4281215 |
Method and apparatus for securing data transmissions |
| Jul-28-1981 |
A method and apparatus are provided for improving the security of data transmissions between stations. The method obviates the need for transmitting user-identification information such as personal identification... |
| 4268715 |
Method and apparatus for securing data transmissions |
| May-19-1981 |
A method and apparatus are provided for improving the security of data transmissions between stations and for controlling secured transactions from remote locations in a data-transfer system. The method... |
| 4259720 |
Security system for electronic funds transfer system |
| Mar-31-1981 |
A security system, particularly useful in an electronic funds transfer system, makes use of secret identification codes known only to system users. The codes are encrypted upon insertion into the system... |
| 4253158 |
System for securing postage printing transactions |
| Feb-24-1981 |
A postage meter includes printing and accounting stations interconnected through an insecure communications link. Each time the meter is tripped, a number generator at the printing station is activated... |
| 4251216 |
Dental splinting device |
| Feb-17-1981 |
A dental splinting device includes an elongated bar-like member having a tapered mid-section along its elongated direction, which separates wider end sections to provide a dog bone-like configuration.... |
| 4234932 |
Security system for remote cash dispensers |
| Nov-18-1980 |
A banking system is provided which is comprised of a central computer, a customer accounts main memory, and plural remote transaction terminals in communication with the central computer. Each remote terminal... |
| 4223403 |
Cryptographic architecture for use with a high security personal identification system |
| Sep-16-1980 |
A Cryptographic Architecture for improving the security of Cash-Issuing or similar Terminal Systems when it is necessary to operate Off-Host. Each Terminal is connected to a central Controller which is... |
| 4214230 |
Personal identification system |
| Jul-22-1980 |
A method and apparatus for verifying that the bearer of a card (e.g., credit card, bank card, etc.) is authorized to use the card. The card bears machine-readable indicia of an account number (PAN) and... |
| 4208575 |
Credit card or check validator |
| Jun-17-1980 |
A validator checks the identity of the holder of a credit card or check by comparing a secret code number derived from the holder with a number derived from the serial number of the credit card or check.... |
| 4206315 |
Digital signature system and apparatus |
| Jun-3-1980 |
A digital signature machine provides a simplified method of forming and verifying a signature that is appended to a digital message. A sender transmits a signature with the usual signature keys and with... |
| 4198619 |
Programmable security system and method |
| Apr-15-1980 |
A code-word security system uses a logic module which can receive an account code word (or any other data that is specific to an individual) and a secret code word from an individual for encoding in accordance... |
| 4186871 |
Transaction execution system with secure encryption key storage and communications |
| Feb-5-1980 |
A transaction execution system having a multiple account data base and a plurality of transaction terminals in communication with the host. The terminals each include a keyboard, a display, document handlng... |
| 4025760 |
Security means for transaction terminal system |
| May-24-1977 |
A transaction terminal system is provided including means which prevent the utilization of certain tapped-line data. Security data, such as personal identification numbers or card security codes, is allowed... |
| 4023013 |
On-line verification system for identification card or the like |
| May-10-1977 |
In an on-line banking system including a central computer and at least one remote terminal, a method of an apparatus for verifying that a holder of an identification card is authorized to complete a transaction... |
| 4004089 |
Programmable cryptic device for enciphering and deciphering data |
| Jan-18-1977 |
An encrypter for encoding and decoding data, wherein clear text data to be encoded is logically combined with a portion of a non-linear pseudo-random bit sequence signal to provide a partially encoded... |
| 3956615 |
Transaction execution system with secure data storage and communications |
| May-11-1976 |
A transaction execution system includes a host data processing system having a multiple account data base and a plurality of transaction terminals in communication with the host. The terminals each include... |
