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AxProtector JavaScript

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AxProtector JavaScript protects and licenses server and client-side standalone JavaScript applications. You select the JavaScript file to be protected, and AxProtector JavaScript encrypts it for you with automatic reverse engineering protection included, in one of three freely combinable configurations:

  • You encrypt the entire JavaScript application with a license check added automatically (basic configuration)
  • You protect the JavaScript application with modular encryption that lets individual features be activated by the user (custom licensing)
  • You use AxProtector JavaScript as a shield against reverse engineering without requiring any license on the part of the user (IP Protection mode).

For excellent security, AxProtector JavaScript encrypts the application by individual methods and adds a native AxProtector runtime library (CPSRT) during the encryption process. 

Individual methods are only decrypted when needed during runtime, with the encryption and processing of the methods contained in the secure environment of the CPSRT.

Basic Configuration

The fundamental function of AxProtector JavaScript is to protect and integrate licensing in JavaScript applications. It does so by encrypting all methods of the application with a license defined by the developer. The methods are then set to decrypt automatically during runtime.

If the user has the required license, the methods are decrypted on the fly; in all other cases, an exception would be reported. It is good practice to keep the application’s core function unencrypted, so that it can respond to the license exception e.g. with a custom error message.

Encrypting the methods dynamically has only minimal impact on the application’s performance. In the rare case that this represents a critical issue, performance can be improved by excluding individual methods from encryption.

Custom Licensing

For custom licensing, different features of a JavaScript application can be allocated different licenses to go with individual methods.

You have two options to engage with users who have only purchased licenses for selected functions: The application can either, as in the basic configuration, report an exception if a license is missing; alternatively, the API can be used to test whether a license is available for a given function (check_license) and hide that feature in the first place if this is not the case.

IP Protection Mode

The IP Protection mode was created with freeware and freemium models in mind, but also works perfectly in combination with licensing. By contrast to the basic configuration, the encryption is not bound to a CodeMeter license. The key needed for decryption is securely hidden in the application itself. The application can be run at any time.

For freemium models, this IP Protection mode can be combined with custom licensing: Parts of the application in question are encrypted in the IP Protection mode and are always available; other parts are bound to a license and can only be used by users who own the right license. The API can be used to check whether a feature is available or not (check_license).

Requirements

AxProtector JavaScript encrypts JavaScript files.

The following operating systems are supported: Windows x86, Windows x86_64, Linux x86, Linux x86_64, macOS x86_64.

The following CodeMeter container types are supported: CmDongle with Universal Firm Code, CmActLicense with Universal Firm Code, CmCloudContainer.

A runtime environment based on Node API is required (e.g. node.js, Electron).

Ordering AxProtector JavaScript

P/N Name
1336-1720-2021 AxProtector JavaScript - 2021
1336-1721-2021 AxProtector JavaScript - Modular Licensing - 2021
1336-1722-2021 AxProtector JavaScript - IP Protection - 2021
1336-1720-T60 AxProtector JavaScript - 60 Tage Testversion
1336-1721-T60 AxProtector JavaScript - Modular Licensing - 60 Tage Testversion
1336-1722-T60 AxProtector JavaScript - IP Protection - 60 Tage Testversion

 

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