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Cryptography > Key Management > Key Escrow Or Recovery Key Escrow Or RecoveryKey Escrow Or Recovery 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 - 20070263876 - In-memory compression and encryption Methods and devices related to compression and encryption of data. Data to be encrypted and compressed is first received and then stored in physical memory. Once stored in a data structure in physical memory, the data is streamed to a process which compresses the data. The compressed data is then ... 09/27/07 - 20070223706 - Certify and split system and method for replacing cryptographic keys A feature is provided that facilitates securely creating, and/or replacing cryptographic keys. A first key pair is created comprising first private key and first public key. A second (spare) key pair is created comprising second private key and second public key. The second key pair is associated with the first ... 08/23/07 - 20070195960 - Apparatus and method for encrypting data A method for sharing a data set including multiple classifications of security between one or more entities and/or between one or more organizations. Public-keys for use in selectively encrypting the data set with multiple classifications of security are made available in a public-key table. A private-key corresponding to the public-key ... 08/16/07 - 20070189543 - Data-processing apparatus and method for processing data A data-processing apparatus has a data provider for providing an input datum encrypted by an encryption key. In addition, the data-processing apparatus has a key stream generator for generating a key stream in a predetermined deterministic manner such that the key stream has a decryption key corresponding to the encryption ... 08/09/07 - 20070183600 - Secure cryptographic communication system using kem-dem A secure communication system comprising: a communications network; at a sending location on said network: (i) an encapsulator (1) for providing (a) a session key (K), and (b) plurality of asymmetric encryptions of the session key (E1(K), E2(K), E3(K) . . . Ei(K) . . . En(K)), each said encryption ... 07/19/07 - 20070165865 - Method and system for encryption and storage of information The invention relates to a method and system for data encryption implemented in conjunction with data transmission over a communications network. According to the invention, an electronic message can be split into at least two parts that are individually forwarded to a receiver (126) via different identities (104, 106, 108, ... 06/28/07 - 20070147621 - Cryptoanalysis method and system A cryptanalysis method comprising: (A)Perfonning a ciphertext-only direct cryptanalysis of A5/1 and (B) Using results of Step (A) to facilitate the decryption and/or encryption of further communications that are consistent with encryption using the session key and/or decryption using the session key, wherein the cryptanalysis considers par t of the ... 06/21/07 - 20070140496 - Escrow compatible key generation A method of managing encryption keys creates a new encryption key as a predictable and retrospectively repeatable function of a current encryption key. Information is then encrypted or authenticated using the new encryption key. In one embodiment, the generation of a new encryption key is triggered as a function of ... 05/10/07 - 20070104330 - Information storage device and information processing apparatus The present invention provides a card and a user terminal mounted with the card so that the user terminal can perform a process in cooperation with a contactless communication process performed by the card. A card 30 includes contactless communication means, contact communication means, and control means 33 for performing ... 05/03/07 - 20070098179 - Wave torque retract of disk drive actuator A method for protecting secret keys, such as HDCP device key sets, during the manufacturing process is disclosed. In particular, the present invention comprises a method for securely sending and receiving data, such as HDCP device key sets, for use in a cryptosystem. In operation, a first party, referred to ... 04/19/07 - 20070086593 - System and method for delivering encrypted information in a communication network using location indentity and key tables Access to digital data is controlled by encrypting the data in such a manner that, in a single digital data acquisition step, it can be decrypted only at a specified location, within a specific time frame, and with a secret key. Data encrypted in such a manner is said to ... 03/22/07 - 20070064952 - Internet facsimile relay apparatus and method, and storage medium An Internet facsimile relay unit includes an e-mail receiving section that receives an e-mail including an image and a command to transmit the image as a facsimile to a terminal station, a decryption section that decrypts an e-mail by performing a corresponding decryption processing if the e-mail has been encrypted ... 03/15/07 - 20070058815 - Method and apparatus for securely transmitting and receiving data in peer-to-peer manner A method and apparatus for securely transmitting data between embedded devices are provided. The method includes: issuing a request for a session key that is to be used in a session with the device; restoring the session key by deciphering a ciphered session key included in a response to the ... 02/08/07 - 20070030975 - Method for accelerating the computational speed of a computer algorithm A new technique for accelerating the computational speed of a computer algorithm is provided. The inventive technique can be applied to an encryption algorithm, such as an RSA algorithm, for example. A method and system for effecting secure information communications utilizing an accelerated information encryption algorithm is also contemplated. ... 01/18/07 - 20070014416 - System and method for protecting against dictionary attacks on password-protected tpm keys A computer system that may include a trusted platform module (TPM) along with a processor hashes a user-supplied password for a predetermined time period that is selected to render infeasible a dictionary attack on the password. The results of the hash are used to render an AES key, which is ... 01/04/07 - 20070003066 - Secure instant messaging Secure instant messaging is described. In an embodiment, a messaging device encrypts a challenge identifier to generate an encrypted challenge message, and communicates the encrypted challenge message via a peer-to-peer communication link to a recipient messaging device. The recipient messaging device decrypts the encrypted challenge message and encrypts the challenge ... 01/04/07 - 20070003065 - Secure instant messaging Secure instant messaging is described. In an embodiment, a messaging device encrypts a challenge identifier to generate an encrypted challenge message, and communicates the encrypted challenge message via a peer-to-peer communication link to a recipient messaging device. The recipient messaging device decrypts the encrypted challenge message and encrypts the challenge ... 12/28/06 - 20060291664 - Automated key management system A system for automated cryptographic key management comprises a key control system, a key management agent system, and a key system application program interface. A method for automated cryptographic key management is also disclosed. The method comprises the automatic generation of cryptographic keys by the key control system and distribution ... 08/24/06 - 20060188100 - Asymmetrical escrow system for use in non-cooperative bargaining relationships An escrow system that comprises correlating confidential data defining a fixed condition or set of conditions for a release of escrow with data presented in an indefinite series of confidential presentations seeking to satisfy that condition or set of conditions. The system involves a process whereby the conditions for a ... 08/17/06 - 20060182283 - Architecture for asymmetric crypto-key storage Techniques for securing an asymmetric crypto-key having a public key and a split private key with multiple private portions are provided. A first one of multiple factors is stored. All of the factors are under the control of a user and all are required to generate a first private portion ... 06/22/06 - 20060133617 - Data transmission system and data transmission method A data transmission system includes a server and a terminal which communicates with the server. The server includes a key storage unit, data encryption unit, key transmission unit, and server encrypted-data transmission unit. The key storage unit stores a plurality of keys to encrypt data. The data encryption unit generates ... 04/20/06 - 20060083379 - Cryptographic communications session security A method of cryptographically securing communications includes converting the communications to quantum states, observing the quantum states, and confirming that the observed states equate to the converted quantum states. ... 04/13/06 - 20060078127 - Dispersed data storage using cryptographic scrambling A cryptographic system splits a digital message into multiple parts, and scrambles sequencing of the multiple parts according to an algorithm requiring first and second keys to resolve. The keys can be related by a graphically recognizable mathematical formula, and can be implemented by a third party or other secure ... 03/09/06 - 20060050889 - Decrypting block encrypted data Decrypting block encrypted data includes: parsing encrypted input data and dividing the parsed data into a ciphertext and a first plaintext defining a decryption policy to be applied to the ciphertext; selecting a decryption policy to preferentially decrypt blocks of the ciphertext from among at least one decryption policy on ... 01/05/06 - 20060002565 - Key management system and playback apparatus The Information providing system includes a key management center, information transmitter and information receiver. The key management center assigns, to the receivers, confidential information and public information for decrypting the encrypted information transmitted by the information transmitter. The key management center determines the set of the receivers for which decryption ... 11/17/05 - 20050254658 - System and method for generating reproducible session keys A system and method for generating reproducible session keys in a wireless messaging system. The session key is generated based on a hash of a message itself, optionally concatenated with additional information. Since the local server stores the message, it can easily regenerate the same session key in response to ... 11/10/05 - 20050249352 - Quantum-key distribution method between a plurality of users or groups There is provided a quantum-key distribution method between a plurality of users or groups. A center prepares a predetermined number of entangled states consisting of qubits equal to the number of the users, and generates quantum states consisting of the qubits belonging to each of the entangled states and corresponding ... 10/20/05 - 20050232430 - Security countermeasures for power analysis attacks A countermeasure for differential power analysis attacks on computing devices. The countermeasure includes the definition of a set of split mask values. The split mask values are applied to a key value used in conjunction with a masked table defined with reference to a table mask value. The set of ... 09/01/05 - 20050190924 - System, method and program product for anonymous transfer of messages A final agent of the message provides a first encryption key to a first agent, interposed between a message sender and the final agent. The first agent but not the final agent knows an identity of the sender. The final agent provides a second encryption key to a second agent, ... 07/21/05 - 20050157881 - Cryptographic security module method and apparatus A cryptographic security module holds a cryptographic key having a private part and a public part. The private part is held within the module and is usable only to sign messages generated within the module. The public part can be extracted from the module and is usable by a warranting ... 07/14/05 - 20050152553 - Method of synchronizing dynamic decryption keys and matching content protected data in a real time environment According to one embodiment of the invention, feeder logic is implemented as a software program stored in a machine readable medium and executed by a processor. The feeder logic is adapted to access indexing data associated with a pre-stored data unit. The pre-stored data unit including content in a scrambled ... 06/16/05 - 20050129247 - Device and method for generating random numbers using a pseudo random number generator Device for generating random numbers having a pseudo random number generator, a memory and a sequential controller. The pseudo random number generator generates a deterministic random number sequence after an initialization using an initialization value. The memory stores initialization information, wherein the initialization information is derived from a true random ... ### FreshPatents.com Support |