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Electrical Computers And Digital Processing Systems: Support > Multiple Computer Communication Using Cryptography > Packet Header Designating Cryptographically Protected Data Packet Header Designating Cryptographically Protected DataPacket Header Designating Cryptographically Protected Data patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.11/15/07 - 20070266241 - System and method for protecting communication devices from denial of service attacks A system for preventing successful denial of service attacks comprises a first communication device, a second communication device, and a network. The first and second communication devices establish a communication session via the network. Based on various information, such as a pre-shared secret, one of the communication devices determines a ... 10/18/07 - 20070245140 - Communication system and network control apparatus with encryption processing function, and communication control method A communication system, which performs communication using a transmission packet encrypted by an IP-SEC encrypting method, includes a first encrypting circuit that encrypts a transmission packet by an IP-SEC encrypting method, a second encrypting circuit that encrypt header data to be used to decode the transmission packet encrypted by the ... 09/27/07 - 20070226491 - Detecting a reverse rate indicator channel The present invention provides a method for detecting a reverse rate indicator channel. The method may include accessing first encoded information indicative of a data rate and a first sub-packet identifier associated with a sub-packet, accessing second encoded information indicative of the data rate and a second sub-packet identifier associated ... 08/02/07 - 20070180235 - Encryption and decryption method for conditional access content This invention relates to an encryption and decryption method for a conditional access content, in which the content is broadcast in the form of data packets (DP), the previous packets being encrypted by a first key (K1) associated to a first padding value (PAD1) and to a first encrypted padding ... 06/21/07 - 20070143599 - Transmission method for conditional access content formation of an encrypted data packet containing at least said encryption key identification information (PAR) and the encrypted useful part (PLK1); transmission of said encrypted data packet to at least one receiver. ... 06/21/07 - 20070143598 - Means of mitigating denial of service attacks on ip fragmentation in high performance ipsec gateways Embodiments of the invention reduce the probability of success of a DOS attack on a node receiving packets by decreasing the probability of random collisions of packets sent by a malicious user with those sent by honest users. The probability of random collisions may be reduced in one class of ... 05/24/07 - 20070118742 - Native wi-fi architecture for 802.11 networks A software based wireless infrastructure system is provided. The system has a driver that communicates with the network stack and a network interface card (NIC), a station server in communication with the station driver and an 802.1X supplicant or an 802.1X authenticator. Each NIC provides station and/or access point functionality ... 05/03/07 - 20070101129 - Approaches for automatically switching message authentication keys Approaches are disclosed for switching transport protocol connection keys. A method of automatically changing a message authentication key at each of two endpoints of a connection in a telecommunications network comprises testing a sequence value received in each of a plurality of data segments on the connection; and selecting a ... 04/12/07 - 20070083754 - Client digitial program insertion in a conditional access module Systems and methods are disclosed for inserting programs into broadcasted primary programs by a conditional access (CA) module that is inserted into a host device, such as a digital-ready television. The CA module utilizes primary and secondary program map tables and/or primary and secondary packet identifiers. A splicer splices the ... 04/05/07 - 20070079117 - Method for passing selectively encrypted attributes of specific versions of objects in a distributed system The present invention provides a computer implemented method, system, and computer program product for selective encryption of a data transmission. A data transmission is received. When the data transmission is received, the data transmission is unmarshaled. When the transmission is unmarshaled, objects and a set of sensitive fields within the ... 01/18/07 - 20070016768 - Detection of a change of the data of a dataset An undesired change of encrypted data words of a stored encrypted dataset may be concluded from the fact that redundancy information is associated with the data words of a dataset prior to encryption, wherein the redundancy information is also encrypted and stored at least partially together with the encrypted data ... 12/14/06 - 20060282665 - Mpeg-4 encryption enabling transcoding without decryption A method and system for encrypting a video compressed with MPEG-4 FGS compression with minimal overhead is provided. The encryption system encrypts the video into independently encrypted segments that can be either a video packet or a video block. When the encryption system encrypts based on video packets, it encrypts ... 08/24/06 - 20060190720 - Tcp/ip-based communication system and associated methodology providing an enhanced transport layer protocol A more secure TCP/IP protocol stack is provided having an enhanced transport layer. Encryption and decryption logic is arranged on the transmission side and on the reception side for processing a payload of a transport layer protocol, such as TCP or UDP. By employing this enhanced transport layer, a cryptograph ... 08/24/06 - 20060190719 - Systems and methods for communicating a lossy protocol via a lossless protocol using false acknowledgements The present invention is generally directed towards a remote access architecture for providing peer-to-peer communications and remote access connectivity. In one embodiment, the remote access architecture of the present provides a method for establishing a direct connection between peer computing devices via a third computing device, such as a gateway. ... 08/17/06 - 20060184790 - Protecting elementary stream content Protecting elementary stream media content is described. In one aspect, Media Access Units (MAUs) of elementary stream content are identified. Each MAU includes one or more data segments representing a single video or audio frame. Encryption boundaries are selected for each MAU. The encryption boundaries are based on one or ... 08/17/06 - 20060184789 - Packet encryption substituting device, method thereof, and program recording medium When a packet is received from a counterpart apparatus 3 connected to the Internet 2, it is determined by a decryption determination part 16 whether to decrypt or bypass the received packet by referring to a filter information storage part 15 based on a sending source and sending destination IP ... 08/03/06 - 20060174108 - Deciphering encapsulated and enciphered udp datagrams Deciphering and verification of the checksum of enciphered and encapsulated UDP datagrams, particularly those which enclose a tunnelling protocol such as L2TP, are achieved by the provision of a checksum verifier in parallel with a decipher block. Checksum logic creates a pseudo UDP header needed for checksum verification using fields ... 08/03/06 - 20060174107 - Reduction of false positive detection of signature matches in intrusion detection systems Detection of a signature in a data packet comprises performing a pre-classification of the packet, using header information and particularly a 5-tuple access control list, into one of a multiplicity of flows and directing the payload of the packet to a respective one of a multiplicity of deterministic finite state ... 06/29/06 - 20060143444 - Method and apparatus for communicating scheduling information from a ue to a radio access network A method by which a UE device and a Node B communicate information such as scheduling information to each other, including a step of sending the information as part of a communication signal instead of padding in the communication signal if the information can be fit by removing all or ... 04/27/06 - 20060090068 - Method for separating ip packets which can be allocated to specific groups and corresponding ip packet The invention relates to a method for separating IP packets which can be allocated to specific groups in a packet-based mobile radio network. All IP packets entering into the mobile radio network are tested in a first authorized network element of the mobile radio network with respect to allocation to ... 03/02/06 - 20060047953 - Low-latency data decryption interface Methods and apparatus for reducing the impact of latency associated with decrypting encrypted data are provided. Rather than wait until an entire packet of encrypted data is validated (e.g., by checking for data transfer errors), the encrypted data may be pipelined to a decryption engine as it is received, thus ... 03/02/06 - 20060047952 - Method, system, device , signal and computer program product for metadata protection in tv-anytime This invention concerns a method, system, device, and signal for the protection of the integrity of TV anytime meta-data, and a signal carrying such protected information accordingly. Protection is obtained by applying a signature and certification approach. Optionally, an additional step of cannolization or a transform function is used. Data ... 02/16/06 - 20060036852 - Byte-based data-processing device and the processing method thereof A byte-based data-processing method is provided to transmit data packets from a transmission end to a destination end swiftly and securely. The byte-based data-processing method is applied to compress a data packet to become a compressed data packet by means of a compression algorithm, then, encrypt the compressed data packet ... 02/09/06 - 20060031671 - Hybrid encoding of data transmissions in a security system A security system in which wireless transmitting security devices use a hybrid or dual encoding methodology, wherein a first part of a data message is encoded in a return-to-zero (RZ) format and a second part of the data message is encoded in a non-return-to-zero (NRZ) format, thereby increasing error detection ... 01/05/06 - 20060005012 - Efficient security parameter index selection in virtual private networks A solution is provided for manual configuration of SPIs without requiring time-consuming checks for overlapping allocations between multiple customers by utilizing a unique decryption process. In this process, the data available in the incoming encrypted packets is considered to uniquely identify the different traffic streams even with overlapping SPIs. The ... 12/22/05 - 20050283604 - Security association configuration in virtual private networks A solution is provided which eliminates the limitation of a single rule for multiple security associations by providing granularity in the configuration of selector fields for better control of the number of security associations established. This may be accomplished by using a selector field added to each rule if one ... 12/08/05 - 20050273600 - Method and system for file data access within a secure environment A computer data security system, including a file parser for determining if a computer file contains protected data, a file decrypter for decrypting encoded files, a file encrypter for re-encoding decrypted files that have been modified, a rights processor for determining data usage rights for a process that has been ... 12/08/05 - 20050273599 - Embedding identification data into a work A method for deterring or detecting the unauthorized dissemination or copying of a work is presented. Personal identification data is embedded into a work before the work is sent over a communication link to a receiver. The work is sent over the communication link to the receiver. ... 11/10/05 - 20050251676 - Method for offloading the digest portion of protocols A card receives data encoded in a protocol. The data may be divided into packets, or still in a protocol data unit. If still in a protocol data unit, the card divides the data into packets of appropriate size. Digests appropriate to the protocol are computed and inserted into the ... 09/29/05 - 20050216734 - Modular cryptographic device providing enhanced communication control features and related methods A cryptographic device may include a cryptographic module and a communications module coupled thereto. The cryptographic module may include a user network interface, a host network processor coupled to the user network interface, and a cryptographic processor coupled to the host network processor. Additionally, the communications module may include a ... 09/22/05 - 20050210243 - System and method for improving client response times using an integrated security and packet optimization framework A system and method for providing integrated secured and optimized packet messaging is described. A plurality of request packets staged in a packet queue from a requesting client and specifying content for retrieval from a destination server are categorized. The content is retrieved from the destination server. The retrieved content ... 09/22/05 - 20050210242 - Packet-based and pseudo-packet based cryptographic communications systems and methods The disclosed technology provides a system and method of securely communicating data. An encryptor located at a transmitter can provide encrypted data to the transmitter. The transmitter can maintain a packet number indicating a particular packet for carrying the encrypted data and a sub-packet number indicating a position within the ... 09/08/05 - 20050198499 - System and method for efficiently transferring media across firewalls Enabling media (audio/video) scenarios across firewalls typically requires opening up multiple UDP ports in an external firewall. This is so because RTP (Real Time Protocol, RFC 1889), which is the protocol used to carry media packets over IP network, requires a separate UDP receive port for each media source. Opening ... 09/08/05 - 20050198498 - System and method for performing cryptographic operations on network data A system and method are disclosed for performing cryptographic operations on network data. According to an exemplary embodiment, a system for performing cryptographic operations on network data includes an input interface configured to receive data into the system. The system includes a plurality of processors in a cascaded arrangement. Each ... 09/01/05 - 20050193194 - Contents transmitting apparatus and method of transmitting contents The present invention comprises an encrypting unit which encrypts input contents in a predetermined encryption mode, a header forming unit which forms a header portion including the encryption mode used for the encryption, and a transmitting unit which transmits a packet obtained by synthesizing the formed header portion and the ... 09/01/05 - 20050193193 - Employing cyclic redundancy checks to provide data security The security of data is enhanced by the use of cyclic redundancy checks. Data is encoded with one or more cyclic redundancy checks and then transmitted by a transmitter to a receiver. The receiver receives the encoded data and decodes it in order to use the one or more cyclic ... 08/25/05 - 20050188197 - Security system and method for firewall and associated product The present invention relates to a system and a method of security for a firewall. The system comprises means of communication with an application provided to make connections via the firewall, means of identifying at least one delegation parameter supplied by this application, provided to recognize this application as capable ... 08/11/05 - 20050177718 - Systems and methods for video transport service The invention relates to systems and methods for traversing a firewall with real-time audio, video or data communication over a packet-based network. The video transport service solution of the invention provides a secure method of traversing multimedia streams through a firewall or network address translation that does not compromise firewall ... 08/11/05 - 20050177717 - Method and apparatus for defending against denial on service attacks which employ ip source spoofing A method and apparatus for defending against denial of service (DoS) attacks which employ IP (Internet Protocol) address spoofing. In accordance with an illustrative embodiment of the invention, a carrier offers a “premium” service which comprises marking IP data packets based on whether it has in fact been able to ... 08/04/05 - 20050172120 - System and method for protecting privacy and anonymity of parties of network communications A system and method is provided for handling network communications between a client and a target server on the Internet to protect the privacy and anonymity of the client. For a session between the client and the target server, a routing control server sets up a routing chain using a ... 08/04/05 - 20050172119 - Hardware/software partitioning for encrypted wlan communications A method of performing encrypted WLAN communication is provided that comprises the steps of performing a connection set-up for the encrypted WLAN communication and performing data frame encapsulation and/or decapsulation during the encrypted WLAN communication. The connection set-up is performed by executing software-implemented instructions, and the data frame encapsulation and/or ... 07/14/05 - 20050154882 - Cryptographic method and apparatus A method of formatting data for transmission to another party including the step of incorporating in the data a flag indicative of the absence of data for authentication of the sender. An authentication tag length is also included to permit variable length tags to be used. ... 07/14/05 - 20050154881 - Security measures in a partitionable computing system Methods and apparatus in a partitionable computing system. A processor communicates with a packet former. The packet former can be configured to construct a data packet that can include security status information related to a partition or processor. ... 07/07/05 - 20050149725 - Method and apparatus for aligning ciphered data A data processing device includes a crypto unit having an alignment buffer for providing data to transmit buffer elements of a media switch fabric in multiples of a predetermined number of bytes. Ciphered data for a packet can be split over first and second transmit buffer elements so as to ... 06/30/05 - 20050144441 - Presence validation to assist in protecting against denial of service (dos) attacks In order to prevent, or at least reduce, attacks on a computing device, such as denial of service attacks against a computer, or other attempts to compromise computing device security, when desired, presence of a person or properly configured response unit may be determined prior to fully-establishing a network connection ... 06/23/05 - 20050138366 - Ipsec acceleration using multiple micro engines A network forwarding device includes at least one physical interface, a framer and a network processor having multiple processing engines arranged as: a preparation stage provided on a first microengine of a processor having plural microengines the preparation stage to prepare the packet for processing, a processing stage provided on ... 06/09/05 - 20050125657 - Method of implementing a high-speed header bypass function A method of bypassing a programmable processing element can include examining data where the data has at least a header, removing the header from the data, encrypting the data through a cryptographic component, rejoining the removed header and the encrypted data, and outputting the rejoined header and encrypted data. ... 06/02/05 - 20050120208 - Data transmission systems A method of sending data over an encrypted packet data communications network, in particular a digital mobile phone network such as a GPRS or 3G network, such that the sent data is readable without decrypting the encrypted packets, the method comprising, coding the data for sending as symbols selected from ... ### FreshPatents.com Support |