- How To Make A Program Verify A Serial Key For Windows 10
- How To Make A Program In Word
- How To Make A Program Verify A Serial Key Online
Active3 years, 6 months ago
- Windows Movie Maker Crack with License Key. Windows Movie Maker 2019 Crack is the essential editing device program for Windows. It is the fundamental device included Windows 7 yet windows 8 and windows 10 also. So it is intended for the budding the videographer. Everybody needs a video supervisor for editing recordings or making.
- Make your software connect to the license server to check the activation status using the generated key. To verify keys on the server, use reverse key algorithm on server and compare the provided key with a key in database. Hope this helps.
Windows Insider Program; Xbox; Participate. How to test a product key to be genuine? Hi, I've bought a Vista key online, not from Microsoft. Depending on your product, a serial number appears, a download link appears, or both. Make note of your serial number and click Download to begin installing your product. Make sure you retain the serial number in case you ever need to update your product or receive product support.
First and foremost, this is not a question about generating a serial number for other products. I am not looking to 'hack' other products.
Here are my requirements:
- I would like to generate a standard looking serial number: AILU7-ABCDE-54321-1234-AFCK-17UDF
- I need some process that validates whether or not that serial number is 'valid' - This portion does not have to be extremely complex. ie, if all the numbers sum up to a value greater than X - I'd be okay with that, but if there are solutions out there that handle this complexity for me, I'd be happy to use them.
- The process that validates the serial number can not be server side. ie, I can not make a request out to an external web server to verify that the serial number is valid.
- I need some way to pull out metadata from the serial number. ie, after I have validated that the serial number is correct, i need to be able to read out some values from it: 'user limit', 'expiration date', etc ..
- The verification of the serial number will be done via a ASP.NET MVC 3 application. The generation of the serial number does not have to be done that way though.
I'm not looking for a silver bullet that will accomplish all these requirements, but more or less some links to documentation or existing libraries that will help me get started. The only library that I have seen is the XHEO DeployLX library; which is just entirely too much for my needs.
Could you please provide me with any information that could point me in the right direction?
Bryan Ray
Bryan RayBryan Ray
3 Answers
Did you check out Brandon Staggs article on this very matter?
In Delphi, but theory holds whatever language.
Viktor ElofssonViktor Elofsson90911 gold badge1010 silver badges1818 bronze badges
Plenty of libraries out there, one would be http://skgl.codeplex.com/ & http://softwareprotector.codeplex.com/ and comes with a nuget package as well.
Ilya KozhevnikovIlya KozhevnikovHow To Make A Program Verify A Serial Key For Windows 10
7,93833 gold badges3131 silver badges6060 bronze badges
With serial keys you need to consider a few things.
I have seen links during my hunts that point to using a simple Guid.NewGuid(); approach and then doing some transformations on the string to make a custom styled Serial key. This is easy to do, but puts the onus on you the product owner to keep track of serial keys in a database and at the end of the day there is potential for someone to randomly find serials that work via using Guid.NewGuid(); themselves. If everyone on the planet started generating Guids at the same time, collision chances become very likely.
There is a sort of solution that makes collision events less likely by using a more complex algorithm on top of Guid.NewGuid();
For this, I tend to use:
- Guid.NewGuid(); (First 16 characters only, minus the - (hyphen)
- An ever incrementing or changing value. (Nonce) (an int will work : i++ etc)
- A secret salt that you will keep private and secure in your network.
- A difficulty factor : borrowing this principle from bitcoin.
Ok, lets imagine I am taking the first 16 digits from a guid.I then combine that with the Nonce and the secret salt,then use SHA256 to derive a hash from the values.I can then use the Difficulty factor to determine if the hash begins with the amount of 0's or other character that I desire.
Eg: If the hash has six 0's prefixing it, then I save all of the data off, as I have just found a reasonably secure Serial key.
When I mean secure, I mean I have found a Serial, that when combined with a Product Key (the Nonce) and then used with the secret Salt, it results in a Hash that meets my production criteria. Adobe acrobat 10.0 pro download.
Some example code is below - done very rough, because I was bored.
Excluding words such as these will result in much more accurate results. Koi fish 3d screensaver 2.00 with serial key. Serial Search Tips When searching for Koi Fish 3d Screensaver 2.1 do not include words such as serial, number, key, license, code, etc. Recheck your spelling for Koi Fish 3d Screensaver 2.1 just in case, you might also want to try searching without the version number.
The idea would be that your application could send the product key and serial to an activation server. The server knows the secret salt. It then returns true or false to determine if the hash generated meets the security requirement. If it does not : the Serial is not valid, or not valid for the key provided.If it does have the required 0's : its a valid serial.
Partition magic free download. Migrate system to SSD and support MBR and GPT disk. Create Window PE bootable media file without having to install AIK/WAIK. Windows To Go, Creator, installing Window 8 to removable flash drive to easy to remove.
GetDiff() is basically just a string : '000000';
Example output from this method looks like this:
You can increase the difficulty by adding more 0's to the prefix.It means that finding serial combinations will take longer, but also makes it more secure.
Obviously you would store these data combinations away somewhere so during activation, you can compare the Serial Code, and the Product Key (Nonce).
In my example: I am using Serial Key (16 digits), Incrementing int, and the word Alpha for the secret salt.
This makes generating serial keys slow and cpu intensive, but makes validating them very fast.
The secret Salt could be a code phrase that maps to different products that you may be developing. This allows you to re-use product keys (Nonce) values across multiple product lines.
How To Make A Program In Word
BaaleosBaaleos
Not the answer you're looking for? Browse other questions tagged c#asp.net-mvc-3 or ask your own question.
Hi guys, I'm back with a new question in continuation of my project ;)
I'm creating a small project in Visual Basic 6 for a class I'm taking (Yes we have to create the project in VB6, teacher orders :) )And so I'm creating a small VB6 Setup program to install a future program I might create..
I'm creating a form for a Serial Number, and it's basically done.
On user Serial number error:
So I have all fields set to setfocus when 5 characters are entered it jumps to the next text box, when 25 characters are inserted it unlocks the next button and runs an if to check the serial.
If the 25 characters don't match the serial, it gives the error msg.
Now as you can see the Serial validation I made is fairly basic (I'm a VB6 noob :blush: ) and If I had to sell (remember this is just a personal project for a course) the program to 5 people, I have to enter 5 serials in the If cycle..
So I was wondering without creating too much complex code, is there a way of creating a random serial code creator ( In vb6, just another exe that creates basic 25 characters serial) , and use it in my project, like each field if it the combination of numbers makes 15 in a text box is valid or something ( did I make sense? :laugh: ) ?
How To Make A Program Verify A Serial Key Online
Thanks guys :)