A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 7340601 | Electronic certificate An electronic certificate has content data specifying an attribute delegation from an identified issuer to an identified subject, and an electronic signature for confirming the content data. The content data includes a condition requiring that a particular subject m... | 03/04/2008 |
| 7340061 | Information processing apparatus, information processing method and providing medium In an information processing apparatus, a key management unit forms a judgment as to whether an authentication key owned by an application program is valid or invalid. A content protection unit is controlled based on this determination so that contents are exchanged... | 03/04/2008 |
| 7340060 | System and method for behavioural modelling The present invention is a computer system that analyses the factual and behavioural data of a group of subjects, extracts the common behavioural patterns from the collection, and is capable of forecasting the behaviour of a new subject when his or her factual data ... | 03/04/2008 |
| 7340603 | Efficient revocation of receivers Methods and apparatus for efficient revocation of receivers. In one implementation, a method of broadcast encryption includes: assigning a respective master key to each of a plurality of receivers, where each master key can be used to derive two or more of a plurali... | 03/04/2008 |
| 7340055 | Memory card and data distribution system using it A memory card (110) conducts an authentication process with a server based on data stored in an authentication data hold unit (1400). The memory card (110) extracts a first session key (Ks1) from a server by a decryption process and a tra... | 03/04/2008 |
| 7340614 | Semiconductor device including encryption section, semiconductor device including external interface, and content reproduction method A secure LSI device 1 includes an encryption section 2 for encrypting a program, and an external I/F 50 for inputting/outputting a program or data from/to an external memory 100. In the encryption section 2, the operation of a priv... | 03/04/2008 |
| 7336789 | System for providing encrypted data, system for decrypting encrypted data and method for providing a communication interface in such a decrypting system A system and method for providing encrypted data for use in a content player are described. The system comprises an encryption device for encrypting data using an encryption algorithm, and a protection device for providing security device data and for providing info... | 02/26/2008 |
| 7336790 | Decoupling access control from key management in a network Methods and systems consistent with the present invention provide a Supernet, a private network constructed out of components from a public-network infrastructure. Supernet nodes can be located on virtually any device in the public network (e.g., the Internet), and ... | 02/26/2008 |
| 7337146 | Emergency information management system A wide-area emergency information management system includes a broadcasting entity (10) and delivers content to authorized receiver clients (20), such as PC's, laptops, wireless devices, etc. The specific content (26), which can include voice, t... | 02/26/2008 |
| 7336791 | Information processing apparatus Upon receipt of a service data request from a client, a license server offering a key to decrypt a content transmits a user information request to the client. On receiving the user information request, the client displays a message prompting its user to enter such u... | 02/26/2008 |
| 7337319 | Method of comparing documents possessed by two parties Prior zero-knowledge protocols are used for exchanging secret keys, but not for comparing documents. The present invention provides a method of zero-knowledge document comparison between mutually distrustful parties by having each party exchange a set of random data... | 02/26/2008 |
| 7337329 | Secure video card methods and systems Methods and systems for protecting data that is intended for use and processed on video or graphics cards are described. In one embodiment, a system comprises a graphics processor unit (GPU) for processing data that is to be rendered on a monitor. Memory is operably... | 02/26/2008 |
| 7337322 | Hierarchical identity-based encryption and signature schemes Methods are provided for encoding and decoding a digital message between a sender and a recipient in a system including a plurality of private key generators (“PKGs”). The PKGs include at least a root PKG and n lower-level PKG in the hierarchy between the root P... | 02/26/2008 |
| 7334266 | Reproduction control method, program and recording medium A reproduction control method adopted by an information-processing apparatus such as a personal computer for the purpose of protecting copyrights imposes a restriction on an operation carried out by a media reproduction apparatus such as a disc drive apparatus to re... | 02/19/2008 |
| 7333611 | Ultra-secure, ultra-efficient cryptographic system A method and system for achieving the cryptographic objectives of data encryption and/or key expansion/generation by utilizing a short, shared, secret seed key between two parties that is extended to a long extended key which, in turn, is used to select one of many ... | 02/19/2008 |
| 7333616 | Approach for managing access to messages using encryption key management policies Controlling access to disseminated messages includes implementing one or more key management policies that specify how various encryption keys are maintained and in particular, when encryption keys are made inaccessible. Deleting a particular key renders inaccessibl... | 02/19/2008 |
| 7334125 | Facilitating secure communications among multicast nodes in a telecommunications network An approach for facilitating secure communications among multicast nodes in a telecommunications network is disclosed. A source node sends an encryption key and an identifier to an authoritative node that stores the encryption key and associates the identifier with ... | 02/19/2008 |
| 7333615 | Encryption between multiple devices A first device receives first information and second information, encrypts the first information with a first set of encryption keys, and encrypts a combination of the second information and the encrypted first information with a second set of encryption keys into a... | 02/19/2008 |
| 7334127 | Key agreement and transport protocol A key establishment protocol includes the generation of a value of cryptographic function, typically a hash, of a session key and public information. This value is transferred between correspondents together with the information necessary to generate the session key... | 02/19/2008 |
| 7330968 | Communication network system having secret concealment function, and communication method The present invention provides a communication network system having a central management device and a plurality of local area network systems. Each of the plurality of local area network systems has a router and a terminal. The central management device encrypts a ... | 02/12/2008 |
| 7330653 | Quantum dense coding system A Quantum Dense Coding System. The system includes a source, a transmitter and a receiver. The source is capable of down-converting a pump photon into a signal photon and an idler photon and outputting probability amplitudes, the signal photon and the idler photon, ... | 02/12/2008 |
| 7330969 | Method and apparatus for data validation A method for encrypting data comprising deriving a public key using a first data set provided by a second party; encrypting a second data set with the public key; providing the encrypted third data set to the second party; providing the public key to a third party t... | 02/12/2008 |
| 7330978 | Encrypted software installer An installation mechanism that securely installs encrypted software modules on a computer is described. The mechanism allows restricted software, such as domestic strength cryptography software, to be shipped directly to a user. The mechanism decrypts the software m... | 02/12/2008 |
| 7330979 | Method for protecting the processing of sensitive information in a monolithic security module, and associate security module The invention relates to a method and associated security module for protecting the processing of sensitive information in a security module with a monolithic structure, the module comprising information processing means (9) and means for storing (3, 4... | 02/12/2008 |
| 7327216 | Secret key programming technique for transponders using encryption A secret key is programmed into a key transponder from a base station wherein the key transponder stores a fixed ID, a first default key segment stored in a first memory page, and a second default key segment stored in a second memory page. The secret key comprises ... | 02/05/2008 |
| 7328344 | Authority-neutral certification for multiple-authority PKI environments A method for facilitating electronic certification, and systems for use therewith, are presented in the context of public key encryption infrastructures. Some aspects of the invention provide methods for facilitating electronic certification using authority-neutral ... | 02/05/2008 |
| 7327846 | Secure cryptographic key exchange and verifiable digital signature One aspect of the present invention establishes a session key by a receiving unit R transmitting a plurality of quantities for storage in a public repository. A sending unit S: 1. retrieves the plurality of quantities; and ... | 02/05/2008 |
| 7328348 | Method and system for securely timestamping digital data A method and system for securely timestamping digital data is disclosed. A secure encryption key is provided within a timestamping module. The timestamping module comprises a processor for performing security functions with the secure encryption key. The processor i... | 02/05/2008 |
| 7328352 | Apparatus and method for reading or writing user data An apparatus for reading or writing user data stored block-wise in encrypted form on a storage medium. The apparatus includes a command interface for receiving and interpreting a read (or write) command. The read command includes a user data information specifying w... | 02/05/2008 |
| 7325132 | Authentication method, system and apparatus of an electronic value An authentication system providing a safety authentication process of electronic values with the use of mobile terminals which do not have a tamper-resistant function. The electronic value including encrypted value authentication information (F(VPW)), wherein an aut... | 01/29/2008 |
| 7325142 | IP network and admission control method used therefor The access network manager terminal 5 makes a communication quality agreement with the core network manager terminal 3, the core network manager terminal 3 conducts resource assignment of the core network 100 based on the communication ag... | 01/29/2008 |
| 7325127 | Security server system A security server system and method permitting participants acting as the source or destinations for a message or a conversation with multiple messages to securely communicate the messages. The messages have a message header and a message content. A message router c... | 01/29/2008 |
| 7324648 | Method and apparatus for secure key delivery for decrypting bulk digital content files at an unsecure site Rather than downloading each content document on demand from the publisher location to the user site, at the publisher location, each content document is encrypted and then multiple encrypted documents are assembled into a distribution archive that is itself encrypt... | 01/29/2008 |
| 7325065 | Identifying unauthorized communication systems using a system-specific identifier An authorized client communication system seeking access to a host communication system may be identified by performing a mathematical computation on a client communication system-specific identifier and an access password. Communications from the client communicati... | 01/29/2008 |
| 7324976 | Automatic authorization of programmatic transactions Techniques are described for facilitating interactions between computing systems, such as by performing transactions between parties that are automatically authorized via a third-party transaction authorization system. In some situations, the transactions are progra... | 01/29/2008 |
| 7321969 | Secure instant messaging system using instant messaging group policy certificates A method and apparatus for facilitating instant messaging utilizes a secure instant message group policy certificate issued by an instant messaging public key infrastructure policy certificate issuing unit. The secure instant messaging group policy certificate is re... | 01/22/2008 |
| 7321660 | Method and apparatus for encrypting/decrypting data using timed-release keys A computer system comprises a first computer entity arranged to encrypt data using an encryption key comprising a time value, and a second computer entity arranged to generate, at intervals, a decryption key using a current time value. The encryption and decryption ... | 01/22/2008 |
| 7319751 | Data encryption A method of encrypting a data unit, the method comprising the steps of dividing the data unit into a series of data blocks, and for each data block, applying a block cipher function to a data block counter value to generate an encrypted block counter value, performi... | 01/15/2008 |
| 7319752 | Information recording device, information playback device, information recording method, information playback method, and information recording medium and program providing medium used therewith An information recording/playback device stores beforehand, on a recording medium, secret information in which a writing/reading method thereof cannot be analyzed and which can be read only by a special reading method. The secret information is applied to a key for ... | 01/15/2008 |
| 7319758 | Electronic device with encryption/decryption cells In an electronic component including a two-way bus through which data elements travel between peripherals and a central processing unit at the rate of a clock signal, the central processing unit and at least one of the peripherals each includes a data encryption/dec... | 01/15/2008 |