| 7043635 |
Embedded synchronous random disposable code identification method and system |
| May-9-2006 |
A method and system for secure identification of a person in an electronic communications environment, wherein a host computer is adapted to be able to communicate with a specific electronic communications... |
| 7024688 |
Techniques for performing UMTS (universal mobile telecommunications system) authentication using SIP (session initiation protocol) messages |
| Apr-4-2006 |
A technique for authenticating a user to a server using SIP messages includes forwarding an SIP request from the user agent to the server. The server then forwards a request for authentication to the user... |
| 7020456 |
Method and system for authentication of units in a communications network |
| Mar-28-2006 |
A method of granting, to a user communications device, access to a service provided by a plurality of service communications devices where an access key code is generated during an initial communications... |
| 6950521 |
Method for repeated authentication of a user subscription identity module |
| Sep-27-2005 |
A method for improving an established Authentication and Key Agreement procedure which prevents rogue mobiles from fraudulently gaining access to a communication system. The communication system periodically... |
| 6947725 |
Mobile authentication system with reduced authentication delay |
| Sep-20-2005 |
Many examples exist of a mobile node moving between the operational zones of multiple network access points or base stations. To minimize delay in re-authenticating with the network through a new base... |
| 6915124 |
Method and apparatus for executing secure data transfer in a wireless network |
| Jul-5-2005 |
A method for executing secure data transfer between a communication device and an application server in a wireless network, in which a request requiring a secure transaction of data is sent from either... |
| 6909887 |
Method of controlling a channel between a radio terminal and a cellular radiocommunication infrastructure, and access network implementing such a method |
| Jun-21-2005 |
The infrastructure has a core network, radio network controllers linked to the core network and base stations provided with radio interfaces and each linked to one of the controllers. Ciphered information... |
| 6857068 |
System and method for data processing by executing a security program routine initially stored in a protected part of irreversibly blocked memory upon start-up |
| Feb-15-2005 |
Device for processing data includes a processor for executing program routines, and a memory for storing program routines to be executed by the processor. Part of the memory includes a protected part from... |
| 6853729 |
Method and apparatus for performing a key update using update key |
| Feb-8-2005 |
A system for updating a communications key(s) performs an authentication(s) of the unit and/or of the communications system using an update key. By using the update key to perform the authentication(s),... |
| 6832103 |
Mobile communication terminal in which start operation is simplified |
| Dec-14-2004 |
A mobile communication terminal includes an IC card, a power supply, and a control section. The IC card stores an identification number. The power supply supplies power to the mobile communication terminal.... |
| 6826403 |
Method and system for identifying a user |
| Nov-30-2004 |
A data server derives information regarding the identities of users placing calls in a circuit-switched communication network. It performs this task by initially establishing at least one known and trusted... |
| 6782260 |
Scheme for registration and authentication in wireless communication system using wireless LAN |
| Aug-24-2004 |
In the disclosed registration and authentication scheme, in the case of carrying out the registration and authentication of a wireless terminal with respect to a wireless base station provided inside the... |
| 6768903 |
Method of controlling a channel between a radio terminal and a cellular radiocommunication infrastructure, and access network implementing such a method |
| Jul-27-2004 |
Ciphered information is transmitted over a first communication path in circuit mode between a core network and a terminal, passing through a first master controller, then over a second path between the... |
| 6618584 |
Terminal authentication procedure timing for data calls |
| Sep-9-2003 |
A subscriber terminal initiates an authentication procedure with a supporting wireless communications system in response to either a timer expiration based trigger, a state change based trigger, or a combination... |
| 6483919 |
Method and arrangement for establishing an encrypted mobile connection |
| Nov-19-2002 |
In a method and an arrangement for establishing an encrypted connection between a mobile station and a base transceiver station in a mobile telephone system, the base transceiver station makes sure, before... |
| 6393567 |
Method of enabling a server to authorize access to a service from portable devices having electronic microcircuits, e.g. devices of the smart card type |
| May-21-2002 |
When access is requested, the method consists in causing the portable device to transmit at least an identity sequence containing at least the value of a cryptogram (C.sub.i) which is the result of an... |
| 6374355 |
Method for securing over-the-air communication in a wireless system |
| Apr-16-2002 |
In the method for securing over-the-air communication in wireless system, a mobile sends a system access request and dummy data associated with the system access request to a network. The network sends... |
| 6373949 |
Method for user identity protection |
| Apr-16-2002 |
In the method in accordance with the present invention, the subscriber identifier to be sent to the transmission network is encrypted using a cipher key common to a specific group of subscribers, and a... |
| 6370649 |
Computer access via a single-use password |
| Apr-9-2002 |
A computer system according to the present invention implements a self-modifying "fail-safe" password system that allows a manufacturer or site administrator to securely supply a single-use password to... |
| 6324288 |
Cipher core in a content protection system |
| Nov-27-2001 |
A cipher system having a cipher core to encrypt plaintext data into ciphertext data, and a bus interface coupled to the cipher core to transfer the ciphertext data to a bus. In one embodiment, the cipher... |
| 6201871 |
Secure processing for authentication of a wireless communications device |
| Mar-13-2001 |
The invention provides technology that improves the security of the A-Keys in a wireless communications system. The technology effectively prevents any human access to the A-Keys and eliminates cloning.... |
| 6157723 |
Method and apparatus for secure communications with encryption key scheduling |
| Dec-5-2000 |
A communication device (122) supports secure communications using automated encryption key scheduling. The communication device (122) is provided with access to one or more schedules having entries of... |
| 6137885 |
Method for enabling direct encrypted communication between two terminals of a mobile radio network, and corresponding station and terminal facilities |
| Oct-24-2000 |
A method for enabling encrypted communication to be performed directly in a single hop or merely directly between two terminals of a mobile radio network by satellite and/or of the GSM/DCS type, after... |
| 6097817 |
Encryption and decryption in communication system with wireless trunk |
| Aug-1-2000 |
A communication system having a wireless trunk for connecting multiple phone lines over wireless communication links to a cellular network comprises a central telephone switch, such as a private branch... |
| 6047071 |
Network-initiated change of mobile phone parameters |
| Apr-4-2000 |
The procedure for Over-The-Air Parameter Administration (OTAPA) utilizes the over-the-air programming protocol and procedures which support the Over-The-Air Service Provisioning (OTASP) feature in accordance... |
| 6035039 |
Fraud detection and user validation system for mobile earth terminal communication device |
| Mar-7-2000 |
In a mobile satellite system, a mobile communication system includes a fraud detection and user validation system and method for commissioning the mobile communication system in the mobile satellite system.... |
| 5887251 |
Authentication key management for mobile stations |
| Mar-23-1999 |
The present invention allows a mobile station to receive a command entered by a user for selecting among a plurality of possible values for an authentication key (A-key) stored in its memory, including... |
| 5812667 |
Subscriber registration and authentication method |
| Sep-22-1998 |
The present invention provides a subscriber registration and authentication method which secures high safety and by which necessary circuit scale is small. In the method of the present invention, each... |
| 5793866 |
Communication method and device |
| Aug-11-1998 |
A system (100) and method of improving activation security allows a remote device (104) to identify that there is a difference between a first signal transmitted by a central site (102) and a first signal... |
| 5748742 |
Fraud detection and user validation system for mobile earth terminal communication device |
| May-5-1998 |
In a mobile satellite system, a mobile communication system includes a fraud detection and user validation system and method for commissioning the mobile communication system in the mobile satellite system.... |
| 5748734 |
Circuit and method for generating cryptographic keys |
| May-5-1998 |
A circuit for, and method of, generating a cryptographic key at a communications node. The circuit includes: (1) communications circuitry for communicating a first seed during a first communications session... |
| 5703950 |
Method and apparatus for controlling country specific frequency allocation |
| Dec-30-1997 |
A secure communication system is provided for transmitting a country specific frequency allocation in encrypted form between a host processor and a remote device. The secure communication system comprises... |
| 5673317 |
System and method for preventing unauthorized programming of wireless network access devices |
| Sep-30-1997 |
In a wireless network access device, access to which is controlled by a control program retained in a memory in the device, a method of preventing unauthorized access to the device comprising the steps... |
| 5557679 |
Method for personalization of an active card |
| Sep-17-1996 |
Personalization of an active so-called SIM card for a mobile telephone system of the GSM type is effected in a place connected to the central computer of the system via a communication network. The card... |
| 5539824 |
Method and system for key distribution and authentication in a data communication network |
| Jul-23-1996 |
This invention deals with a safe key distribution and authentication in a data communication network (e.g. wireless LAN type of network). The network includes a network manager to which are connected,... |
| 5499295 |
Method and apparatus for feature authorization and software copy protection in RF communications devices |
| Mar-12-1996 |
A hardware-software security arrangement enables manufacturers of digital RF communications equipment to provide differently configured products having substantially identical hardware and operational... |
| 5414753 |
Number assignment module setting system for portable telephone set |
| May-9-1995 |
In a number assignment module setting system for a portable telephone set, a portable telephone set inputs number assignment module in a number assignment module setting mode. A number assignment module... |
| 5412726 |
Telecommunication installation with secure remote loading of prepayment means and corresponding remote loading process |
| May-2-1995 |
The installation comprises a remote loading mode in which in response to a remote loading request word (R) for a predetermined number of value units emanating from the autonomous set (PA), there is provided:... |
| 5402490 |
Process for improving public key authentication |
| Mar-28-1995 |
An environment which includes a communications network, user terminals, and an authentication center provides communication services only to legitimate subscribers. The authentication center receives an... |
| 5392356 |
Mobile telephone terminal and method of preventing unlawful use thereof |
| Feb-21-1995 |
A first ID code ESN (electronic serial number) for apparatus identification and a second ID code MIN (mobile identification number) such as a telephone number are stored beforehand in a non-volatile memory... |
| 5386468 |
Method of registering identification number in personal communication terminal |
| Jan-31-1995 |
Prior to the sale of a personal communication terminal, a secret key is generated and stored in the personal communication terminal in accordance with an application made from the manufacturer to the carrier.... |
| 5249230 |
Authentication system |
| Sep-28-1993 |
An environment which includes a communications network, user terminals, and an authentication center provides communication services only to legitimate subscribers. The center receives an equipment ID... |
| 5233656 |
Telephone installation for the remote loading of telephone rental data of an independent station |
| Aug-3-1993 |
In a telephone installation, telephone rental data is loaded remotely into an independent station in the following manner. In response to a request for a call coming from the independent station and in... |
| 5153919 |
Service provision authentication protocol |
| Oct-6-1992 |
A protocol for authenticating a cellular telephone to a service provider for the purpose of preventing the piracy of cellular services. A service provider assigns a unique "secret", along with other information... |
| 5077790 |
Secure over-the-air registration of cordless telephones |
| Dec-31-1991 |
A method for registration of a portable unit that may be utilized in a communication system that comprises a network controller, having a data base for storing portable identification numbers, a base station,... |
| 4811377 |
Secure transfer of radio specific data |
| Mar-7-1989 |
The apparatus and method for transferring radio specific data from the memory of an integral logic unit of a radiotelephone to a second, replacement, memory is disclosed. Security of the data is realized... |
