Matches 201 - 250 out of 392 < 1 2 3 4 5 6 7 8 >
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6691226 Computer system with disk drive having private key validation means for enabling features  
A computer system having a host computer is connected to a disk drive for providing a key to enable a feature controlled by the disk drive. The disk drive validates the key using private validation...
6684310 Access control method and storage device using same  
A storage device has access protection functions, enabling the resolution of problems occurring when, despite the fact that the actual access restriction state has changed, this change is not...
6658543 System and method to protect vital memory space from non-malicious writes in a multi domain system  
A system and method for protecting memory space in a target storage device during a write operation in a computer system, comprising creating a single data packet, including user data that is to be...
6643751 System and method for limited access to system memory  
A hardware latch for limiting access to protected system memory. An N-bit bus provides the instructions executed by the system to a combinatorial logic block ( 204 ). The combinatorial logic block...
6631453 Secure data storage device  
A data storage/transmission hardware device (or multiple devices physically linked together) with two (or more) access channels is disclosed. One of the access channels allows for reading and...
6629197 Method and system for storing digital audio data and emulating multiple CD-changer units  
A method for processing digital audio data is presented. A control signal for a CD-changer unit is received and interpreted by a digital audio unit that stores digital audio data/files and that...
6618796 Data storage device and control method therefor  
There is provided a data storage device which reads data from and/or writes data to a memory medium, comprising: an acquisition unit for acquiring management information which is recorded by a...
6604153 Access protection from unauthorized use of memory medium with storage of identifier unique to memory medium in data storage device  
It is provided a data storage device which reads data from and/or writes data to a memory medium, comprising: a storage unit for storing a first identifier; an identifier acquisition unit for...
6526491 Memory protection system and method for computer architecture for broadband networks  
A computer architecture and programming model for high speed processing over broadband networks are provided. The architecture employs a consistent modular structure, a common computing module and...
6526490 Data processing systems with process monitor  
A processing system has a processor with a memory map identifying locations in a memory where data are stored, data associated with an application being stored at the same location every time an...
6526489 Data storage apparatus with improved security process and partition allocation funds  
The apparatus enables access authorization to be assigned solely to specific host devices. A control device comprises: an address registration unit, in which the host address of each host device...
6510501 Non-volatile memory read/write security protection feature selection through non-volatile memory bits  
A memory system in accordance with the invention includes a programmable non-volatile memory that contains a security indication and program instructions. A volatile register is also provided....
6510502 Information processing device and method for reading information recorded on an information recording medium  
The object of the present invention is to implement, by a simple arrangement, means for making the same information recording medium function selectively as a product version or as a demo version,...
6507896 Protocol for use in accessing a storage region across a network  
N_Port_Name information capable of distinctly identifying a host computer has seen set in a microprocessor 42 of a storage controller 40 prior to start-up of host computers 10, 20, 30 ; upon...
6499092 Method and apparatus for performing access censorship in a data processing system  
Method and apparatus for performing access censorship in a data processing system ( 10 ). In one embodiment, a digital data processing system ( 10 ) has a sub-system ( 34 ) that can be protected...
6490667 Portable electronic medium  
The present invention is provided with a base board on which wiring is provided, a memory, installed on the base board by soldering, for storing data and a certification key, and a memory control...
6487646 Apparatus and method capable of restricting access to a data storage device  
The present invention is related to a data storage device capable of restricting access to data storage or retrieval when a first code is incompatible with a second code. The data storage device...
6480097 Security control for personal computer  
A personal computer provides security features enabling control over access to data retained in the computer. The computer is secured by having the system ROM provide a password at power-on to a...
6477653 Information storage system  
An information storage system which can be used by only those users who are previously permitted to access the system is provided. The information storage system has a first information storage...
6460121 Method for providing an atomic memory read using a compare-exchange instruction primitive  
A method for performing an atomic read of a memory cell. A plurality of data parts of the memory cell are loaded into a respective first plurality of registers and an atomic compare and exchange...
6438666 Method and apparatus for controlling access to confidential data by analyzing property inherent in data  
A method and apparatus for controlling access to confidential data are disclosed. The disclosed apparatus includes a non-volatile memory for storing data and a logic circuit for controlling access...
6430360 Method and apparatus for blocking reproduction of video title in optical disk player  
This invention relates to a method of selectively blocking the reproduction of a video title, based on a password entered by a user, in a reproduction apparatus for playback of an optical disk on...
6430645 Fibre channel and SCSI address mapping for multiple initiator support  
An improved and more efficient mapping scheme between a fiber channel (FC) interface and small computer system interface (SCSI) for multiple initiator support. In accordance with the method of the...
6421768 Method and system for authentication and single sign on using cryptographically assured cookies in a distributed computer environment  
Cryptographically assured data structures are created to enable a single sign on and/or authentication method for securely transferring user authentication information from a first computer to a...
6415371 Storage system, storage device, storage medium controller, access device, method for protecting data, storage medium and computer data signal  
When a storage section is installed in a controller and the controller is installed in an access device, the controller reads out device ID data and CIS data from the storage section, and certifies...
6393539 System and method for reliably assigning and protecting data in a centralizes storage system  
A system and method for providing reliable access by a plurality of user systems in a computer network to data in a centralized storage system. The method includes the steps of placing all storage...
6370629 Controlling access to stored information based on geographical location and date and time  
Access to stored information by a user is controlled by comparing an actual geographic position and/or an actual date/time with a geographic region and/or a date/time interval within which access...
6339816 Method for improving controllability in data processing system with address translation  
When there are write accesses to user pages in a data processing system that are marked as write-protected in a translation memory, the method checks, after an interrupt request, a corresponding...
6330648 Computer memory with anti-virus and anti-overwrite protection apparatus  
The invention is embodied in a computer including a memory and a memory protector responsive to a list of key memory locations containing information to be protected, the memory protector including...
6330624 Access limiting to only a planar by storing a device public key only within the planar and a planar public key only within the device  
A data processing system and method are disclosed for protecting data stored on a device included within the system. A device key pair is established which identifies a particular device included...
6311255 System and method for selectively restricting access to memory for bus attached unit IDs  
A method and apparatus for selectively restricting access to a shared memory is presented in a computer network system having at least one bus capable of attaching a plurality of units to a shared...
6301676 Robust and recoverable interprocess locks  
One embodiment of the present invention provides a system that supports recovery in the event a previous process holding a lock used for mutual exclusion purposes loses ownership of the lock. This...
6298421 Data storage device  
During a normal update process, a password transmitted from a personal computer is compared with password already stored in a flash memory. When the passwords match, a transmitted program is...
6295590 Semiconductor memory apparatus having a protecting circuit  
A semiconductor memory incorporates a protecting circuit which causes data, stored in a memory portion, to be output by executing a key canceling sequence from an external apparatus. The data...
6286087 Method, apparatus, medium for storing and controlling accessibility to a removable medium  
When a removable medium is inserted, a medium information managing unit of a storing apparatus reads out medium information in a predetermined area and analyzes, thereby forming medium management...
6286086 Data protection method for a semiconductor memory and corresponding protected memory device  
A method of protecting data in a semiconductor electronic memory, which includes using a protected memory portion within the matrix and respective dedicated decoding portions for storing, into the...
6282612 Removable memory device for portable terminal device  
A removable memory device includes a memory for storing individual information therein, and a memory manager for protecting the memory when the removable memory device is not connected to a...
6260111 System and method for network power management incorporating user identity and preferences via a power managed smart card  
Methods, systems and computer program products are provided which control a network computer having an access port for receiving an access card, such as a short card which includes a processor and...
6256715 System and method of performing gateway access  
A virtual memory system including a local-to-global virtual address translator for translating local virtual addresses having associated task specific address spaces into global virtual addresses...
6253273 Lock mechanism  
A method of providing a lock to a requester, the method including the steps of storing a lock indicator at a storage location on a storage medium; receiving a lock command from a requester on a...
6243796 Recording medium and recording or reproduction apparatus that provides protection from unauthorized use of the medium  
A recording-medium ID information, which is condition information read from the recording medium loaded into a recording and reproduction apparatus, is compared with the ID information unique to...
6243755 Information processing system using information caching based on user activity  
An information processing system in which the necessary information can be transferred via a network by the time this information becomes actually necessary, without damaging the utility and...
6240493 Method and apparatus for performing access censorship in a data processing system  
Method and apparatus for performing access censorship in a data processing system (10). In one embodiment, a digital data processing system (10) has a sub-system (34) that can be protected against...
6230244 Memory device with read access controlled by code  
Read access to a memory device is controlled by comparing an input control code with a predetermined code stored in the memory device. The comparison is performed inside the memory device, and read...
6223263 Method and apparatus for locking and unlocking a memory region  
A method and apparatus for managing a memory region that stores locked and unlocked data. Data stored in the memory region is accessed. The data has an associated index that is stored in a locked...
6212635 Network security system allowing access and modification to a security subsystem after initial installation when a master token is in place  
Apparatus and process are disclosed by which to disable a computer's access to all or a part of the computer's memory system or associated peripherals, so as to protect the computer from accidental...
6212610 Memory protection mechanism for a distributed shared memory multiprocessor with integrated message passing support  
The present invention relates generally to efficient message passing support and memory access protections in scalable shared memory multiprocessing computer systems. In a multiprocessor system,...
6182174 Memory card interface method using multiplexed storage protect key to indicate command acceptance  
A memory interface between the storage controller and memory card of an S/390 system uses the S/390 Storage Protect (SP) Key as an indication or protocol of storage command acceptance by the memory...
6167519 Secret information protection system  
A secret information protection system in an information processing system according to the present invention enables prevention of access to secret information by an unauthorized person, and...
6145053 Data security method using head disk stiction  
A disk drive data security system provides for inactivating the disk drive by landing and stopping the transducer heads on the highly polished disk data surface causing adhesion or stiction between...
Matches 201 - 250 out of 392 < 1 2 3 4 5 6 7 8 >