KeyCalcActivationKey (Function)

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Activation key functions

KeyCalcActivationKey (Function)

In french: CléCalculeCléActivation

Calculates the activation key of application from the initial key. The initial key was generated by KeyGenerateInitialKey. This activation key is unique.

Remark: As a general rule, this function is used on the application supplier's workstation: the customer provides the initial key, and the supplier calculates and sends the corresponding activation key..

Example

// Votre secret ici à personnaliser
Secret is string = "]$x+9*EBM%u]yK|R@=y"
// ------------------------------------
// Dans l'application, côté client
CléInitiale is string 
CléInitiale = KeyGenerateInitialKey(IDClient)
Info("Votre clé de licence est : " + CléInitiale)

// -> CléInitiale est transmis au fournisseur de l'application

// --------------------------------------------
// Côté fournisseur : calcul de la clé d'activation
CléActivation is string 
Identifiant is string 

CléActivation = KeyCalcActivationKey(CléInitiale, Secret)
Identifiant = KeyGetIdentifier(CléInitiale)
Info("Clé d'activation générée pour le client " + Identifiant + " : " + CléActivation)
// -> CléActivation est transmis au client pour activation de sa licence

//--------------------------------------------
// Côté client : Saisie de la clé d'activation
gbActivationOK = KeyCompareKey(CléInitiale, CléActivation, Secret)
IF gbActivationOK = False THEN
	Error("Mauvaise clé d'activation")
	EndProgram()
END

Syntax

<Result> = KeyCalcActivationKey(<Initial key> [, <Secret>])

<Result>: Character string

Unique activation key corresponding to the initial key.

<Initial key>: Character string

Initial key supplied by the client of the application. This key was generated by KeyGenerateInitialKey.

<Secret>: Character string or Secret string

Encryption key used to generate the activation key.
We advise you to fill this parameter so that only the application provider can generate a valid key for the application. The same value must be passed to KeyCompareKey.
New in version 2025
Secret strings: If you use the secret string vault, the type of secret string used for this parameter must be "ANSI or Unicode string".
To learn more about secret strings and how to use the vault, see Secret string vault.

Related Examples:

Unit examples (WINDEV): The Key functions

[ + ] Using the functions for calculating the activation keys of WLanguage.

Component: wd300std.dll