You are not able to protect your products (Software/utility), you can't to limit them in time..
May be you will find what it is necessary here : API Sorialoz ,a generator serial number for activation of your product.
In more what it was to think , Every serial number is distinct for each retailer.
Tools for developper want reseller their product , it act a serial number generator with possible data personalization (16 bytes) and limit in the time.
Every serial number is distinct for each developper having bought this product (Sorialoz) here .
Possbility varying serial number with same personalization data.
|Serial number algorithm generator advanced.|
|Serial number incompatible every each developper client having bought this product.|
|Limit in the time of your product possible|
|ID software possible (out data)|
|Storage serial number for activation of your products.|
|Login function for lock of your NET application but require Confuser.|
|Personalization function of your software with data (16bytes)|
|Not conveniance for cracking a software/utility|
|Source Code not avaialble|
|Commercial license provided only|
|Limit function according license acquired|
|Data limited fix 16 bytes|
Evaluation version limitation :
|Work only if your application is attached to a debugger|
|A one instance|
|Public having download the evaluation version of this product can activate your products if the serial number generated with evaluation license|
|Red popup showed|
|Popup demo is showeder|
Adding technology Sorialoz