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A software license is a legal instrument that governs the usage and distribution of computer software. [1] Often, such licenses are enforced by implementing in the software a product activation or digital rights management (DRM) mechanism, [2] seeking to prevent unauthorized use of the software by issuing a code sequence that must be entered into the application when prompted or stored in its ...
Software crack illustration. Software cracking (known as "breaking" mostly in the 1980s [1]) is an act of removing copy protection from a software. [2] Copy protection can be removed by applying a specific crack. A crack can mean any tool that enables breaking software protection, a stolen product key, or guessed password. Cracking software ...
A product key, also known as a software key, serial key or activation key, is a specific software-based key for a computer program. It certifies that the copy of the program is original. It certifies that the copy of the program is original.
A crackme is a small computer program designed to test a programmer's reverse engineering skills. [1] Crackmes are made as a legal way to crack software, since no intellectual property is being infringed.
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".
[5] [6] Due to the service's vertical integration, a HEY mailbox cannot be incorporated into other email services or stand-alone email clients. [ 7 ] Around the time of HEY's launch, a stand-off between Basecamp and Apple Inc. over Apple's policy on in-app purchases in apps hosted by its App Store was the cause of significant media attention ...
In the mid-1980s, the GNU project produced copyleft free-software licenses for each of its software packages. An early such license (the "GNU Emacs Copying Permission Notice") was used for GNU Emacs in 1985, [5] which was revised into the "GNU Emacs General Public License" in late 1985, and clarified in March 1987 and February 1988.
The source code must be included with any software distribution. The software may not be sold, including any fees involved with distribution. Deutsch chose to include a commercial restriction in the AFPL based on his observation of people including Ghostscript in commercial products without full license compliance. [2]