| 6696919 |
Method of starting a device protected against unauthorized use by a PIN without using an input |
| Feb-24-2004 |
When a PIN need to use a protected device is manually entered for the time, it is encoded by means of unique identity number and stored in a PIN memory, the number is also used for the array in which or... |
| 6674860 |
Method and arrangement for managing a service in a mobile communications system |
| Jan-6-2004 |
The invention pertains to a method and arrangement for managing a service in a mobile communications system, mobile station and an intelligent module in a mobile station. An idea of the invention is that... |
| 6665530 |
System and method for preventing replay attacks in wireless communication |
| Dec-16-2003 |
A method and apparatus for confirming the identity of a mobile station in a communication network. A mobile station transmits a security value to obtain access to the network. The system authenticates... |
| 6657538 |
Method, system and devices for authenticating persons |
| Dec-2-2003 |
In a method for authenticating persons, video information of certain body features associated with a user or a user group is recorded in a point of presence (POP). Such recorded video information is processed... |
| 6643513 |
Method and apparatus for providing immediate ciphering after an inter-system UTRAN-GSM handover |
| Nov-4-2003 |
Disclosed is a method for performing an inter-system handover. The method triggers the handover of a mobile station (100) from a UTRAN system to a GSM system by sending a HANDOVER FROM UTRAN COMMAND message... |
| 6622014 |
Method for authorizing a communication between at least two devices |
| Sep-16-2003 |
Known telecommunication systems like a DECT-system comprising a base-station and a handset or like a Digital Home Network system comprising a controller and several devices or a car radio system comprising... |
| 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... |
| 6574466 |
Method of securing transmission of information utilizing time variant techniques with error detecting code |
| Jun-3-2003 |
A process for establishing secure communication between particular communicating units via a channel of a telecommunication network encodes data embodying information to be selectively transmitted from... |
| 6560338 |
Limiting delays associated with the generation of encryption stream ciphers |
| May-6-2003 |
A method and an apparatus for generating encryption stream ciphers are based on a recurrence relation designed to operate over finite fields larger than GF(2). A non-linear output can be obtained by using... |
| 6556835 |
Implementation of multicast messaging in a mobile telecommunications network |
| Apr-29-2003 |
In a method for multicasting in a radio network, having at least one base station and multiple mobile terminals, the broadcast message is broadcast from the base station, and the broadcast message is received... |
| 6556681 |
Reconfigurable universal trainable transmitter |
| Apr-29-2003 |
A trainable transmitter comprises a transmitter, code-generation circuitry and a removable, plug-in data module. The data module includes information necessary for generating a code for a specific security... |
| 6556680 |
Method for authorization check |
| Apr-29-2003 |
A method for verifying the authority of a user to access by a mobile telephone either a payment system or a data system. A user card that carries a microprocessor and a memory that includes an encryption... |
| 6535979 |
Method of ciphering data transmission, and cellular radio system |
| Mar-18-2003 |
The invention relates to a cellular radio system and a method of ciphering data transmission in a radio system that comprises at least one transceiver communicating with other transceivers on a radio connection... |
| 6532290 |
Authentication methods |
| Mar-11-2003 |
In one way to improve the security of bilateral authentication procedures while keeping transmission overhead to a minimum, a first party wishing to initiate communications with a second party generates... |
| 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... |
| 6477644 |
Mobile internet access |
| Nov-5-2002 |
A method of enabling roaming of a mobile internet-access host (9) from a local area network (3) to a GSM network (6), each network having a home agent (HA) for routing internet datagrams between networks.... |
| 6466781 |
Biometric authentication technology for wireless transceiver activation |
| Oct-15-2002 |
The invention is based on a transceiver for which two different off-states are provided. The user authentication module is not supplied with power in a first off-state whereas it is already supplied with... |
| 6463154 |
Method for determining temporary mobile identifiers and managing use thereof |
| Oct-8-2002 |
In the method for managing the use of temporary mobile identifiers (TIDs), the mobile and the network each store a list of TIDs for the mobile. Newly determined TIDs are added to the respective TID list... |
| 6442532 |
Wireless transaction and information system |
| Aug-27-2002 |
A financial information and transaction system utilizes wireless communication in connection with portable terminals. In this system, a terminal is connected to the financial institution via a wireless... |
| 6418224 |
Methods and apparatus for self-inverting multiple-iteration CMEA crypto-processing for improved security for wireless telephone messages |
| Jul-9-2002 |
A self-inverting enhanced CMEA encryption system suitable for use in wireless telephony. An unprocessed text message is introduced into the system and subjected to a first iteration of a CMEA process,... |
| 6418130 |
Reuse of security associations for improving hand-over performance |
| Jul-9-2002 |
In a radio telecommunication system, the performance of a mobile unit can be significantly improved during a hand-over procedure by reusing existing security associations that correspond to the mobile... |
| 6408175 |
Method of managing mobile station operational parameters |
| Jun-18-2002 |
A method of managing mobile station operational parameters is disclosed in which a mutual authentication between a mobile station and a network is performed. The present method allows a mutual authentication... |
| 6405031 |
Wireless telephone system, telephone and method |
| Jun-11-2002 |
A wireless telephone system, a wireless telephone for use in the system, and a method of using a wireless telephone capable of use for telephonic communications only for a predetermined limited period,... |
| 6393270 |
Network authentication method for over the air activation |
| May-21-2002 |
A method for authenticating a cellular service provider during over the air activation of a mobile station includes the steps of programming an A-key value into the mobile station and providing the A-key... |
| 6385724 |
Automatic object caller chain with declarative impersonation and transitive trust |
| May-7-2002 |
An object-based security framework provides automatic caller chain building to track the identity of upstream callers. An application developer can define impersonation settings declaratively using a graphical... |
| 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... |
| 6370380 |
Method for secure handover |
| Apr-9-2002 |
In a mobile, wireless telecommunications network, communications relating to a mobile terminal can be protected during a handover of the mobile terminal from a first access point to a second access point.... |
| 6367014 |
Enhanced short message and method for synchronizing and ensuring security of enhanced short messages exchanged in a cellular radio communication system |
| Apr-2-2002 |
The invention concerns a particular structure of enhanced short message, and a method for synchronizing and ensuring the security of exchanged enhanced short messages having this structure. Conventionally,... |
| 6363151 |
Method and system for subscriber authentification and/or encryption of items of information |
| Mar-26-2002 |
Security parameters (SPAR) are provided by the mobile radiotelephone network (PLMN) for subscribers of another network (CN) via an interface (DSS1+) connecting the two networks, without carrying out subscriber... |
| 6351634 |
Mobile telephone and method for registering and using special symbols as a password in same |
| Feb-26-2002 |
A mobile telephone is provided which includes a touch screen, character recognition means for recognizing data inputted via the touch screen, and a processing unit for receiving at least one secret symbol... |
| 6343214 |
Mobile telephones |
| Jan-29-2002 |
A mobile telephone comprises reception means (5) for receiving message data including identity data, key data and instruction data from a caller, the identity data relating to the caller and the key data... |
| 6334185 |
Method and apparatus for centralized encryption key calculation |
| Dec-25-2001 |
A system and method for encrypting transmissions between a plurality of communication nodes and a mobile station, wherein the algorithm for generating an encryption key resides within a first communications... |
| 6292891 |
Method of connecting base station to cellular system |
| Sep-18-2001 |
The invention relates to a cellular radio network and a method of connecting a base station (100) to a cellular radio system, which enable a fast and automatized installation of base stations wherever... |
| 6285871 |
Cellular fraud prevention using selective roaming |
| Sep-4-2001 |
A method of preventing roaming fraud in cellular telephone systems using different levels of roaming privileges for individual subscribers. When the subscriber initiates a call in a foreign service area... |
| 6285870 |
Telephony device comprising a base station and at least one handset, subscription method of a handset, handset and base station suitable for such a device |
| Sep-4-2001 |
A telephony device includes a wireless handset having a memory and a processor; and a base station having a connection to a telephone line and a transceiver for communicating with the wireless handset.... |
| 6278781 |
Wireless telephony with steganography |
| Aug-21-2001 |
The present invention relates to wireless communication systems, such as cellular systems and PCS systems, and more particularly relates to methods and systems for reducing theft of wireless telephony... |
| 6266415 |
Process for protecting an information item transmitted from a security element to a decoder and protection system using such a process |
| Jul-24-2001 |
The invention relates to a process for protecting an information item transmitted from a security element to a decoder and a protection system using such a process. The information item is protected by... |
| 6266411 |
Method and apparatus for multiple-iteration CMEA encryption and decryption for improved security for wireless telephone messages |
| Jul-24-2001 |
An enhanced CMEA encryption system suitable for use in wireless telephony. A plaintext message is introduced into the system and subjected to a first iteration of a CMEA process, using a first CMEA key... |
| 6256514 |
Secure radio personal communications system and method |
| Jul-3-2001 |
A secure radio personal communication system and method includes a base station which relays cellular verification signals between a wide area cellular network and a cellular terminal via the wire telephone... |
| 6233337 |
Methods and apparatus for enhanced security expansion of a secret key into a lookup table for improved security for wireless telephone messages |
| May-15-2001 |
An enhancement to the use of a tbox function for CMEA encryption. Offsets are generated for application of the tbox function to a message, using secret values and previously encrypted message octets. The... |
| 6209090 |
Method and apparatus for providing secure time stamps for documents and computer files |
| Mar-27-2001 |
Secure time stamps generated by the inventive apparatus and method include an externally generated time signal, such as a GPS signal, a time stamp serial number, generated through an irreversible process... |
| 6198823 |
Method for improved authentication for cellular phone transmissions |
| Mar-6-2001 |
An authentication process is triggered when a subscriber of a GSM-type cellular-phone-network service attempts a call. In this process, an encrypted result, or a "signed response," previously stored in... |
| 6192131 |
Enabling business transactions in computer networks |
| Feb-20-2001 |
A system for creating a log of a conversation includes a convener computer and a plurality of conversation computers interconnected by a computer network. The system includes an arbiter computer and a... |
| 6178512 |
Wireless network |
| Jan-23-2001 |
A method of operating a wireless network comprising a plurality of public wireless terminals and private wireless terminals, and optionally a base station uses a transmission frame including a control... |
| 6173174 |
Method and apparatus for automated SSD updates on an a-key entry in a mobile telephone system |
| Jan-9-2001 |
A method and apparatus for allowing an Authentication Center (AC) to configure whether or not to perform automated A-key updating for a handset if an authentication failure occurs during an operation attempted... |
| 6157826 |
Authentication key generation method and apparatus |
| Dec-5-2000 |
A method generates an authentication key to be used in an authentication algorithm at position at which a mobile station's subscriber is located. First, when there is a request to create the authentication... |
| 6148053 |
Method and apparatus for generating a stream cipher |
| Nov-14-2000 |
A code division multiple access (CDMA) is a type of spread-spectrum communication system having a plurality of subscriber units and at least one base station. In order for a first subscriber unit to communicate... |
| 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... |
| 6134431 |
Personal station authentication system and authentication method |
| Oct-17-2000 |
A public key cryptosystem is used for the authentication of a personal station (PS) which subscribes for a plurality of radio communication exchange systems. A public key of PS is registered into a public... |
