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AppLocker is an application whitelisting technology introduced with Microsoft's Windows 7 operating system. It allows restricting which programs users can execute based on the program's path, publisher, or hash, [1] and in an enterprise can be configured via Group Policy.
Screenshot of the Syskey utility on the Windows 8.1 operating system requesting the user to enter a password.. The SAM Lock Tool, better known as Syskey (the name of its executable file), is a discontinued component of Windows NT that encrypts the Security Account Manager (SAM) database using a 128-bit RC4 encryption key.
File locking is a mechanism that restricts access to a computer file, or to a region of a file, by allowing only one user or process to modify or delete it at a specific time, and preventing reading of the file while it's being modified or deleted.
Visual C++ provides the synchronize attribute of methods to be synchronized, but this is specific to COM objects in the Windows architecture and Visual C++ compiler. [10] C and C++ can easily access any native operating system locking features. C# provides the lock keyword on a thread to ensure its exclusive access to a resource.
There are potential weaknesses in the implementation of the protocol between the dongle and the copy-controlled software. For example, a simple implementation might define a function to check for the dongle's presence, returning "true" or "false" accordingly, but the dongle requirement can be easily circumvented by modifying the software to always answer "true".
Redis can be used to implement the Redlock Algorithm for distributed lock management. [10] HashiCorp's Consul, [11] which was created by HashiCorp, is open-source software and can be used to perform distributed locks as well. Taooka distributed lock manager [12] uses the "try lock" methods to avoid deadlocks. It can also specify a TTL for each ...