| 7039812 |
System and method for user authentication |
| May-2-2006 |
A method and system for authenticating the identity of a user by an authority makes use of presenting biometric data for the user in a predetermined shared secret sequence. The method and system can be... |
| 7039188 |
Optical disc authentication method and apparatus |
| May-2-2006 |
The present invention relates to an optical disc authentication method and apparatus. The method, wherein each disc has a plurality of ways and a plurality of sectors in each way, includes the steps of... |
| 6985587 |
Method and system for calling line authenticated key distribution |
| Jan-10-2006 |
The preferred embodiments described herein provide a method and system for calling line authenticated key distribution. In one preferred embodiment, an authentication key is provided to a calling party... |
| 6981144 |
System console device authentication in a network environment |
| Dec-27-2005 |
A method for providing secure access to console functions of a computer system and authentication of a console device is disclosed. The method comprises first initiating a first EKE sequence to generate... |
| 6971008 |
Authorization of services in a conditional access system |
| Nov-29-2005 |
A cable television system provides conditional access to services. The cable television system includes a headend from which service "instances", or programs, are broadcast and a plurality of set top units... |
| 6963740 |
Secure enterprise communication system utilizing enterprise-specific security/trust token-enabled wireless communication devices |
| Nov-8-2005 |
An enterprise communications system for implementing, accessing, using, and managing enterprise-specific resources includes one or more Mandate clients, each Mandate client including a wireless communication... |
| 6957349 |
Method for securing safety of electronic information |
| Oct-18-2005 |
A security assurance technique for electronic information wherein an electronic information file 1 is divided into a plurality of information elements 2 and the divided information elements... |
| 6944771 |
Method and apparatus for overcoming a watermark security system |
| Sep-13-2005 |
To overcome a watermark security system that is based on a limited set of possible watermark values, a collection of authentic watermarked material is created, and a substitution system provides material... |
| 6944407 |
Method and apparatus for detecting radiation |
| Sep-13-2005 |
In analyzing radiation from a communication link, single-photon counting can be used to advantage especially at low levels of radiation energy, e.g. in the detection of optical radiation. Preferred detection... |
| 6915426 |
System and method for enabling authentication at different authentication strength-performance levels |
| Jul-5-2005 |
A system and method for generating a plurality of authentication tags using a plurality of authentication mechanisms is disclosed. The plurality of authentication tags can reflect different authentication... |
| 6910022 |
Usage rights grammar and digital works having usage rights created with the grammar |
| Jun-21-2005 |
A system for associating usage rights with digital content. Usage rights are created from a grammar. The usage rights specify a manner of use indicating one or more stated purposes for which the digital... |
| 6879703 |
Method and apparatus for watermarking images |
| Apr-12-2005 |
Digital watermarks are embedded in image data (102)in order to enable authentication of the image data and/or replacement of rejected portions of the image data. Authentication codes are derived by comparing... |
| 6874089 |
System, method and computer program product for guaranteeing electronic transactions |
| Mar-29-2005 |
A system, method and computer program product for guaranteeing a data transaction over a network are disclosed. When a data transaction between at least a server and a client is detected on a network,... |
| 6874088 |
Secure remote servicing of a computer system over a computer network |
| Mar-29-2005 |
The remote servicing of a secure computer system employs an intermediate network entity accessible to both a remote service provider and to an agent running on the secure computer system to be serviced.... |
| 6832319 |
Content guard system for copy protection of recordable media |
| Dec-14-2004 |
A system and method for enabling broadcast programs to be copied once only by consumer recorders includes writing a unique media identification on each blank disk to which content is to copied in a read-only... |
| 6826699 |
Method and apparatus for performing authentication and key exchange protocols with multiple sink devices |
| Nov-30-2004 |
A method and system for a source device to simultaneously perform authentication and key exchange (hereinafter referred to as "AKE") protocols with multiple sink devices. In a communication network that... |
| 6789192 |
Semiconductor memory card, data reading apparatus, and data reading/reproducing apparatus |
| Sep-7-2004 |
A semiconductor memory card comprising a control IC 302, a flash memory 303, and a ROM 304. The ROM 304 holds information such as a medium ID 341 unique to the semiconductor memory card. The flash memory... |
| 6708157 |
System for controlling the distribution and use of digital works using digital tickets |
| Mar-16-2004 |
A system for controlling the distribution and use of digital works using digital tickets. In the present invention, a "digital ticket" is used to entitle the ticket holder to exercise some usage right... |
| 6581042 |
Tokenless biometric electronic check transactions |
| Jun-17-2003 |
A tokenless authorization of an electronic check between a payor and a payee using an electronic identicator and at least one payor bid biometric sample is described. The method comprises a payor registration... |
| 6550009 |
Encryption system for distributing a common crypt key |
| Apr-15-2003 |
The present invention provides an encryption system, by which it is possible to safely distribute a common crypt key for decrypting data on an encrypted DVD-ROM by simple devices and procedure. A terminal... |
| 6529949 |
System, method and article of manufacture for remote unlocking of local content located on a client device |
| Mar-4-2003 |
A system, method and article of manufacture are provided for remotely controlling content stored on a local computer connected to a network system such as the Internet. The invention allows content such... |
| 6516412 |
Authorization of services in a conditional access system |
| Feb-4-2003 |
A cable television system provides conditional access to services. The cable television system includes a headend from which service "instances", or programs, are broadcast and a plurality of set top units... |
| 6510517 |
Method of cryptological authentification in a scanning identification system |
| Jan-21-2003 |
The method of cryptological authentification in a scanning identification system comprising a base station, which supplies energy via the alternating field to a transponder connected to the object to be... |
| 6487660 |
Two way authentication protocol |
| Nov-26-2002 |
A method of authenticating a pair of correspondents C,S to permit the exchange of information therebetween, each of the correspondents having a respective private key, e, d and a public key, Q.sub.u, and... |
| 6385387 |
Digital video disc its recording and reproducing methods and related encoder and decoder using the same |
| May-7-2002 |
At least one musical composition is transmitted via a digital video disc together with bonus information relating to the musical composition and an approved interactive data required when a user accesses... |
| 6310538 |
Process of access restriction to a telecommunications network, telecommunications system and unit for such a system |
| Oct-30-2001 |
The invention relates to a process of restriction the access of a terminal to a telecommunication network. The invention includes using the current user authentication procedure usually implemented in... |
| 6256393 |
Authorization and access control of software object residing in set-top terminals |
| Jul-3-2001 |
A method for providing authentication, authorization and access control of software object residing in digital set-top terminals creates a fingerprint ("signature") for each software object, associates... |
| 6230148 |
Tokenless biometric electric check transaction |
| May-8-2001 |
A tokenless authorization of an electronic check between a payor and a payee using an electronic third party identicator and at least one payor bid biometric sample is described. The method comprises a... |
| 6072874 |
Signing method and apparatus using the same |
| Jun-6-2000 |
The present invention provides a signing apparatus used for signing by a user on usage information of a source provided in a format made available by the use of key information. The apparatus includes... |
| 5991404 |
System for diversifying information in a network for distributing goods or services |
| Nov-23-1999 |
A system for diversifying information carried by a network to apparatuses for providing goods or services. The network includes a plurality of platforms each capable of creating messages including diversification... |
| 5991399 |
Method for securely distributing a conditional use private key to a trusted entity on a remote system |
| Nov-23-1999 |
Secure distribution of a private key to a user's application program (also called a "trusted player" such as a DVD player or CD-ROM player) with conditional access based on verification of the trusted... |
| 5748732 |
Pay TV method and device which comprise master and slave decoders |
| May-5-1998 |
A master decoder for use with a master smart card and at least one slave decoder for use with a slave smart card are arranged in a pay tv system, wherein the master decoder receives slave entitlement messages... |
| 5666412 |
Secure access systems and methods utilizing two access cards |
| Sep-9-1997 |
A CATV system including a CATV network and apparatus for transmitting over the CATV network information to a multiplicity of subscriber units, each including a CATV decoder and an IC card reader and writer... |
| 5563948 |
Process for authentication of smart cards, and device for use of the process |
| Oct-8-1996 |
The device of the invention for a pay-television system comprises an emitter and several receivers using "smart cards". In addition to the unscrambling control signals, the emitter sends encrypted authentication... |
| 5509073 |
Communications network |
| Apr-16-1996 |
A communications network between a central station which broadcasts coded information and at least one receiver suitable for receiving and decoding these broadcasts, in which, in order to control the number... |
| 5479511 |
Method, sender apparatus and receiver apparatus for modulo operation |
| Dec-26-1995 |
An access control system involves a first cryptographic device communicating with a second cryptographic device using a modulo-based protocol. To transmit a message from the first device to the second... |
| 5461675 |
Apparatus and method for access control |
| Oct-24-1995 |
In a system for controlling access to signals such as pay-TV signals, the signals include data packets that are received and by a decoder and forwarded to a smart card for access authorization processing.... |
| 5452357 |
Method and apparatus for access control and/or identification |
| Sep-19-1995 |
A system providing access control, including encryption and decryption capability, replaces a public key directory by a transmission between an authority, or a sender S, and a receiver R of a "seed" value.... |
| 5282249 |
System for controlling access to broadcast transmissions |
| Jan-25-1994 |
A system for controlling access to broadcast transmissions including a transmitter having a transmission encoder for scrambling the broadcast, a multiplicity of subscriber receivers, each having an identical... |
| 5265161 |
Process and device for activating a chip card |
| Nov-23-1993 |
A system for activating an apparatus upon the insertion of a chip card into the apparatus by an authorized user includes a first control unit arranged on the chip card for providing an actuation signal... |
| 5208856 |
Scrambling and unscrambling method for composite video signals and implementing device |
| May-4-1993 |
The method of the invention consists, during the transmission of composite video signals, in the inclusion therein of series of access messages (ECM1, ECM2) and, during the unscrambling, carried out using... |
| 4599647 |
Receiver with interface for interaction with controller-decoder |
| Jul-8-1986 |
An interface permits bi-directional data signal transfer between the microcomputer of the receiver and an addressable controller-decoder designed for use in conjunction therewith. The data transfer permits... |
