| 6980795 |
Wireless network with a cipher key change procedure |
| Dec-27-2005 |
A wireless network employing a radio network controller and a plurality of assigned terminals which are provided for coding certain data to be transmitted over traffic and control channels and which are... |
| 6980660 |
Method and apparatus for efficiently initializing mobile wireless devices |
| Dec-27-2005 |
A method and system for enabling wireless devices distributed throughout an enterprise to be efficiently initialized for secure communications. The method and system utilize well known public key cryptography... |
| 6980659 |
Methods and systems for supplying encryption keys |
| Dec-27-2005 |
A system encrypts information. The system includes a key storage module (135) configured to store encryption bits in a memory of the key storage module. The system further includes a communication... |
| 6980656 |
Chaotic communication system and method using modulation of nonreactive circuit elements |
| Dec-27-2005 |
A chaotic communication system employs transmitting and receiving chaotic oscillating circuits. One improvement to first-generation systems is the ability to modulate a nonreactive element in the transmitting... |
| 6978376 |
Information security architecture for encrypting documents for remote access while maintaining access control |
| Dec-20-2005 |
A method of controlling distribution of a segment of encrypted electronic information is presented. A key server receives a protected copy of a decryption key for the segment. The segment is retrieved... |
| 6978367 |
Selective data encryption using style sheet processing for decryption by a client proxy |
| Dec-20-2005 |
A method, system, and computer program product for selectively encrypting one or more elements of a document using style sheet processing. Disclosed is a policy-driven augmented style sheet processor (e.g.... |
| 6978024 |
Publication certifying system, viewing-access-log recording server, publishing-access-log recording server, digital-signature server, and information terminal for access-to-view |
| Dec-20-2005 |
A system can certify that electronic data has been notified and published on a network. The system comprise an information providing server having a published information storing function and a published... |
| 6978025 |
Method and apparatus for managing public keys through a server |
| Dec-20-2005 |
One embodiment of the present invention provides a system for managing public keys through a server that stores associations between public keys and email addresses. This system operates by receiving a... |
| 6975727 |
Dynamic security credential generation system and method |
| Dec-13-2005 |
An apparatus and method dynamically creates security keys for a subscriber, having at least one preexisting security credential set, and allows the configuration for N key pairs or N keys (where the cryptographic... |
| 6975728 |
Hierarchical key management |
| Dec-13-2005 |
The present invention discloses a general-purpose hierarchical key management method and apparatus whose trusted operation, with respect to compromise of keying material, does not depend upon the controlling... |
| 6975729 |
Method and apparatus for facilitating use of a pre-shared secret key with identity hiding |
| Dec-13-2005 |
One embodiment of the present invention provides a system that facilitates a key exchange that operates with a pre-shared secret key and that hides identities of parties involved in the key exchange. The... |
| 6973191 |
System and method for generating symmetric keys within a personal security device having minimal trust relationships |
| Dec-6-2005 |
A data processing method and system for generating a unique symmetric key inside a PSD having limited trust relationships between PSD manufacture, PSD issuer, subsequent service providers and a trusted... |
| 6971016 |
Authenticated access to storage area network |
| Nov-29-2005 |
A method and system for authenticating access to a storage area network (SAN) is disclosed in which a password is retrieved from a first copy of a password table in response to an access (login) request,... |
| 6971007 |
Assured printing of documents of value |
| Nov-29-2005 |
The transmission and reproduction of an original document transferred via a data network can be assured when the printing mechanism generates a unique serial number for the document being printed. The... |
| 6968058 |
Digital evidential camera system for generating alteration detection data using built-in encryption key |
| Nov-22-2005 |
A digital evidential camera system is for detecting the alteration of image data obtained by photographing an object. The system comprises the camera and an alteration detection unit. The camera includes... |
| 6968060 |
Method for verifying the use of public keys generated by an on-board system |
| Nov-22-2005 |
For a set (Lk) of embedded systems, an authorized operator with identifier (OPj) creates a mother public key (KpM) and a mother private key (KsM). The identifier (OPj), the range... |
| 6968061 |
Method which uses a non-volatile memory to store a crypto key and a check word for an encryption device |
| Nov-22-2005 |
A method using a Non-Volatile Memory circuit which operates as an interface between a key loader and an encryption device in a missile's telemetry system. The method includes a step for storing a crypto... |
| 6965675 |
Structure and method for loading encryption keys through a test access port |
| Nov-15-2005 |
It is sometimes desirable to encrypt a design for loading into a PLD so that an attacker may not learn and copy the design as it is being written into the PLD. It is desirable that decryption keys be stored... |
| 6961849 |
Selective data encryption using style sheet processing for decryption by a group clerk |
| Nov-1-2005 |
A method, system, and computer program product for selectively encrypting one or more elements of a document using style sheet processing. Disclosed is a policy-driven augmented style sheet processor (e.g.... |
| 6959090 |
Content Protection scheme for a digital recording device |
| Oct-25-2005 |
A recording device for digital data streams, such as digital TV broadcasts or digitized music, stores copies of program content encrypted by a key unique to the recording device. Distribution of program... |
| 6957335 |
Initializing, maintaining, updating and recovering secure operation within an integrated system employing a data access control function |
| Oct-18-2005 |
Techniques are provided for initializing, maintaining, updating and recovering secure operation within an integrated system. The techniques, which employ a data access control function within the integrated... |
| 6957329 |
System for encrypting data from multiple multimedia applications and method thereof |
| Oct-18-2005 |
Methods and systems are provided for encrypting data from a plurality of multimedia devices. A driver initiates authentication for the plurality of multimedia applications. The driver assigns a key registers... |
| 6956950 |
Computer readable medium having a private key encryption program |
| Oct-18-2005 |
A digital wallet stores an cryptographically camouflaged access-controlled datum, e.g., a private key encrypted under the user's PIN. Entry of the correct PIN will correctly decrypt the stored key. Entry... |
| 6956951 |
Extended key preparing apparatus, extended key preparing method, recording medium and computer program |
| Oct-18-2005 |
Intermediate data ai, bi, ci, and di are prepared by an intermediate data preparing equipment 4 from a cryptographic key through a nonlinear type function... |
| 6952476 |
Verification of the private components of a public-key cryptographic system |
| Oct-4-2005 |
A method of exchanging digital public-key verification data whereby a first computing entity (102) enables a second computing entity (104) to obtain probabilistic evidence that a given public-key... |
| 6950944 |
Security code activated access control system |
| Sep-27-2005 |
An access control system that utilizes security codes (500), a database (430), and a control device (20) is disclosed. Each security codes (500) is comprised of a unique key code... |
| 6950523 |
Secure storage of private keys |
| Sep-27-2005 |
To protect a private cryptographic key, two values are derived. The two values together can reconstruct the key. One value is sent to a server and deleted from the local machine. The other value is held... |
| 6950517 |
Efficient encryption and authentication for data processing systems |
| Sep-27-2005 |
Methods and apparatus are presented herein for encrypting and authentication data, such that some of data can be transmitted in the clear but still be authenticated by the sender. A set of cleartext positions... |
| 6944769 |
Apparatus and a method for security authorization using a security key installed on removable media |
| Sep-13-2005 |
An apparatus and a method in a data processing system are provided for insuring the security of data accessed from removable media. Normal virus scanning occurs after data is loaded into the main memory,... |
| 6944297 |
Method and apparatus for reproducing ciphered data |
| Sep-13-2005 |
A data reproducing apparatus and method is provided for reproducing data that was ciphered during recording in one or more of sector forming, header appending, error correction coding, modulation, and... |
| 6944300 |
Method for migrating a base chip key from one computer system to another |
| Sep-13-2005 |
A method for migrating a base chip key from a first computer system to a second computer system is disclosed. A first computer system includes a base chip key 1, and a second computer system includes... |
| 6941459 |
Selective data encryption using style sheet processing for decryption by a key recovery agent |
| Sep-6-2005 |
A method, system, and computer program product for selectively encrypting one or more elements of a document using style sheet processing. Disclosed is a policy-driven augmented style sheet processor (e.g.... |
| 6940979 |
Management of certificates for public key infrastructure |
| Sep-6-2005 |
Management of ciphertext devaluation in public key infrastructure is addressed by providing system and method using a certificate having a validity dependent on the amount of ciphertext associated with... |
| 6938164 |
Method and system for allowing code to be securely initialized in a computer |
| Aug-30-2005 |
A memory controller prevents CPUs and other I/O bus masters from accessing memory during a code (for example, trusted core) initialization process. The memory controller resets CPUs in the computer and... |
| 6937726 |
System and method for protecting data files by periodically refreshing a decryption key |
| Aug-30-2005 |
Methods for transferring among key holders in encoding and cryptographic systems the right to decode and decrypt messages in a way that does not explicitly reveal decoding and decrypting keys used and... |
| 6934840 |
Composite keystore facility apparatus and method therefor |
| Aug-23-2005 |
An apparatus and method for managing keystores is implemented. A distributed keystore is established by aggregating individual. The distributed keystore may, be organized in a multi-level structure, which... |
| 6934839 |
Evidencing and verifying indicia of value using secret key cryptography |
| Aug-23-2005 |
A method and system for evidencing payment of indicia using secret key cryptography is disclosed. The method and system include a plurality of indicia generating devices that are divided into groups for... |
| 6934531 |
Method for improving the security of authentication procedures in digital mobile radio telephone systems |
| Aug-23-2005 |
The invention relates to a method for improving the security of authentication procedures in digital mobile radio telephone systems. In order to make it more difficult if not impossible to work out a secret... |
| 6934393 |
System and method for third party recovery of encryption certificates in a public key infrastructure |
| Aug-23-2005 |
A first enterprise official desires to recover an encryption certificate of a user. The user may be a current member of an enterprise or a former member of the enterprise. The first enterprise official... |
| 6934389 |
Method and apparatus for providing bus-encrypted copy protection key to an unsecured bus |
| Aug-23-2005 |
A copy protection (CP) key used by a sending source, such as a POD, to encrypt content such as audio and/or video information is derived by a first key generator associated with a first processor and is... |
| 6931532 |
Selective data encryption using style sheet processing |
| Aug-16-2005 |
A method, system, and computer program product for selectively encrypting one or more elements of a document using style sheet processing. Disclosed is a policy-driven augmented style sheet processor (e.g.... |
| 6931527 |
Method and system for ensuring the security of fax transmission using an identifying card |
| Aug-16-2005 |
The invention concerns a method and system for safely transmitting a fax between a transmitter sending the fax and at least a receiver (11) receiving the fax (162) using a fax machine (161)... |
| 6931528 |
Secure handshake protocol |
| Aug-16-2005 |
A method for a secure handshake protocol between A and B, connected by a slow channel is provided in which A sends a first message indicating a set of cipher suites with parameters, and its identifier... |
| 6931128 |
Methods and systems for generating encryption keys using random bit generators |
| Aug-16-2005 |
A security key, such as an encryption key, is generated so as to make it more difficult for eavesdroppers to identify the key. Specifically, a cryptographically secure random number generator generates... |
| 6928423 |
Copyright management apparatus, copyrighted-work distribution apparatus, and copyrighted-work distribution and receiving system |
| Aug-9-2005 |
A TV music broadcasting program is distributed from a distribution apparatus through a ground station and a satellite, and a musical-piece program is also distributed through a plurality of audio channels.... |
| 6925182 |
Administration and utilization of private keys in a networked environment |
| Aug-2-2005 |
The private and public keys of users, as encrypted with a symmetric algorithm by using individual user identifying keys are stored at a network server, indexed or addressable by user ID, and are sent to... |
| 6920563 |
System and method to securely store information in a recoverable manner on an untrusted system |
| Jul-19-2005 |
A method (and system) for storing information in a recoverable manner on an untrusted system, includes sending, by a client, a request to a recovery server for recovery of a failed database, determining... |
| 6912655 |
Network security architecture system utilizing seals |
| Jun-28-2005 |
An efficient multicast key management is achieved by using seals. A security server generates a seal. In one embodiment, the seal contains a key. In another embodiment, the seal contains information for... |
| 6912284 |
Self-Authenticating cryptographic apparatus |
| Jun-28-2005 |
A self-authenticating apparatus for effecting secure communication of a binary signal. In the encipherment apparatus, key is generated as a function of plain text summed with a pseudorandom linear sequence.... |
| 6907127 |
Hierarchical key management encoding and decoding |
| Jun-14-2005 |
The present invention discloses a construction for key management module functionality which provides for secure encoding and decoding of messages which are up to two blocks long. A method for generating... |
