Verifying PIN

CL 705 SC 72
4629872 Method and apparatus for verifying personal identification numbers and checking stored number series in identification media
Dec-16-1986 A method and apparatus for verifying a personal identification number and checking a number series put onto an identification medium, containing information readable by machine in the form of a card and...
4621326 Method of reducing customer transaction time in an automatic teller machine by parallel processing of sequence events
Nov-4-1986 A method is provided for reducing customer transaction time in an automated teller machine (ATM) having various peripheral devices associated therewith. Each peripheral device associated with the ATM;...
4500750 Cryptographic application for interbank verification
Feb-19-1985 In a data communication network which includes terminals interconnected via a central switch, a process for verifying the identity of a terminal user who is provided with secret data associated with his...
4460960 Transaction execution system having keyboard and message customization, improved key function versatility and message segmentation
Jul-17-1984 Key initiated transaction requests at a terminal remote from and in communication with a host data processing system are processed at the terminal under the selective control of the host. Each active transaction...
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...
4386266 Method for operating a transaction execution system having improved verification of personal identification
May-31-1983 A transaction execution system including at least one transaction terminal in communication with a host data processing system. A transaction at the terminal is authorized based, at least in part, upon...
4357529 Multilevel security apparatus and method
Nov-2-1982 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...
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...
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...
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...
4271482 Data processing system which protects the secrecy of confidential data
Jun-2-1981 A data processing system which protects the secrecy of confidential inforion includes a data processing machine with which an operator may carry on a confidential dialogue through a data transmitting device...
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...
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...
4218738 Method for authenticating the identity of a user of an information system
Aug-19-1980 Secure hardware is provided for cryptographically generating a verification pattern which is a function of a potential computer user's identity number, the potential computer user's separately entered...
4215421 Data-processing system which protects the secrecy of confidential data
Jul-29-1980 A data processing system is provided which protects the secrecy of confidential data at the stages where it is formulated and transmitted to a card (first auxiliary member) having a code key thereon. The...
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....
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...
4123747 Identity verification method and apparatus
Oct-31-1978 An improved method for verifying the identity of a prospective terminal user presenting an identification card or a credit card and a memorized personal identification number. Only part of the information...
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...
4016404 Credit card verifier
Apr-5-1977 A credit card having information stored thereon in the form of a matrix of apertures formed through the credit card in a predetermined order, and a verifier adapted to read the information matrix from...
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...