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NCJ Number: NCJ 212958     Find in a Library
Title: Test Results for Hardware Write Block Device: MyKey NoWrite (Firmware Version 1.05)
  Document URL: PDF 
Corporate Author: Office of Law Enforcement Standards (OLES)
United States of America
Date Published: 04/2006
Page Count: 28
  Annotation: This report presents testing results for the MyKey NoWrite write blocker in accordance with performance criteria specified in Hardware Write Blocker (HWB) Assertions and Test Plan Version 1.0.
Abstract: A hardware write block (HWB) device is intended to prevent any change in data stored on a protected device without blocking access to the data for reading purposes only. One of the performance criteria for a HWB device is that it should not transmit a command to a protected storage device that modifies the data on the storage device. For all test cases run, the MyKey NoWrite device always blocked any commands that would have changed user or operating system data stored on a protected drive. A second performance criteria for a HWB device is that it should return the data requested by a read operation. For all test cases run, the tested HWB device always allowed commands to read the protected drive. A third performance standard is that the HWB device return without modification any access-significant information requested from the drive. For all test cases run, the MyKey NoWrite device always returned access-significant information from the protected drive without any modification. The fourth performance criteria are that any error condition reported by the storage device to the HWB device should be reported to the host. For all test cases run, the MyKey NoWrite device always returned error codes from the protected drive without modification. The report provides information on test observations, test case selection, the testing environment, and test results.
Main Term(s): Computer software
Index Term(s): Computer aided operations ; Evidence preservation ; Equipment evaluation ; Computer aided investigations ; Computer evidence ; NIJ grant-related documents
Sponsoring Agency: National Institute of Justice (NIJ)
US Department of Justice
Office of Justice Programs
United States of America
Grant Number: 2003-IJ-R-029
Sale Source: National Institute of Justice/NCJRS
Box 6000
Rockville, MD 20849
United States of America
Type: Test/Measurement
Country: United States of America
Language: English
Note: NIJ Special Report; downloaded April 28, 2006.
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