Encrypt license key

Hey, I need to encrypt a software license key and I got no time to study all those options. Can someone tell me a shortcut? Thanks.

It would depend on your choice of implementation. If you have a server that the (client) software can connect to, you can use public-private key cryptography. In fact, the key can be your license if you want. Generate a serial number for the client and add a timestampt to it. Generate a new public-private keypair. Keep the private key and a hash of the serial number on your server. Bundle the serial number and public key with the software. (Note, unless you have downloadable software of an online activation process, it will be trivial for someone to simply use a playback attack on your registration process). When a user wants to register, they send their public key and the encrypted serial number. The server decrypts the serial number and compares it with the hash stored on the server.
There are a number of problems with this methodology, especially insofar as you can never secure client software. But then again, you might only want to stop 95% of so of your users.
- Saish

Similar Messages

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    I have reinstalled latest update to SL, deleted Aperture and used timemachine to install an older version. Nothing seem to work. I'm hoping it is something simple. I have a bride waiting on her wedding pics and I am getting desperate. I don't want to go to LR but may have no choice.

    Three things:
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    2. Download Easy Find - VersionTracker or MacUpdate - and use it to search for both visible and invisible files associated with Aperture to try and locate the preference file in which the key is saved. You can then delete that file which should force Aperture to ask for the registration code.
    3. If Aperture has an uninstaller (may be on the DVD) then use the uninstaller to remove it. That should then remove all traces including the registration key.

  • Crystal Repoprt 8.5 License Key

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    Hello Saha,
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  • Query Adobe License Keys in 6.0

    Does anyone know of a way to query the license key used on a local client without having to visit each desk? Version 4 and 5 provided the key simply in the registry- hklm\software\microsoft\windows\uninstall\adobe..\productID- but this is not found anywhere on Version 6.0.

    If you mean the serial number, you can find that here:
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  • How to obtain installed license key

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    If for any reason you don't find your flashbuilder4 key in the license.properties file, you can also find the encrypted version in the amt3.log file, after having run FB4 during a given login session. This KB article describes where to find the amt3.logs on various platforms:
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    -Chris

  • I am having to reinstall Adobe Pro because of a hard drive failure. I have lost the License Key and need to know how to retrieve it so I can reinstall the product.

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  • How do I enter CS6 license key when Adobe Application Manager immediately tries to authenticate against my expired Creative Cloud membership?

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  • Need help in activation a license key in CCT. It works as a trial now

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  • Not able to get the license key..

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  • ASA 5505 Failure replaced and need to move the license key?

    Can someone point me in the right direction? My ASA 5505 died due to a power surge and I swapped it with a spare. I had Security Plus and a 50 user license and need to move the license keys from the failed ASA 5505 to the new one. I kept both my emails with the activation keys, but not sure how I get this transferred?  Thanks in advance.
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  • SAP license key error:  no valid license found:  cannot log into SAP GUI

    I deleted temp license from slicense on SM box, since I had already installed new digital license from SAP.  Well, later I tried to log in again and was locked out.  After some research, I found "sap license check failed" in the log files, java will not come up, and the hardware key has changed on me, so the valid license that was active before is not showing up now. 
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    Yes, I wish it were that simple, but I cannot even bring up the logon screen.  SAP GUI returns a message, resource temporarily unavailable.  I looked in SAP MMC syslog and found several entries, "SAP-Basis System: No license found for hardware ID DLIC_HWIDKE"
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  • How do I find my old License Key?

    I am trying to track down one of our old license keys for Crystal reports desktop designer V8.5.
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    Hi Ryan,
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    Shweta

  • Could not type in license key

    I read DFS Admin guide and want to find Register License method...I find the section on P.84...but I have a problem....I could not see the [Register License Key] from my DFS Conosle.Whether I install DFS Fail not not ??
    wyldkao

    wyld,
    It appears that in the past few days you have not received a response to your
    posting. That concerns us, and has triggered this automated reply.
    Has your problem been resolved? If not, you might try one of the following options:
    - Visit http://support.novell.com and search the knowledgebase and/or check all
    the other self support options and support programs available.
    - You could also try posting your message again. Make sure it is posted in the
    correct newsgroup. (http://forums.novell.com)
    Be sure to read the forum FAQ about what to expect in the way of responses:
    http://forums.novell.com/faq.php
    If this is a reply to a duplicate posting, please ignore and accept our apologies
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  • How to add License Key For Integration Tool kit For SAP in Linux Server

    Dear Experts,
    We are Using BO XI R3.1 SP3 Enterprise Version ,Integration Tool Kit For SAP,Live Office.
    The Server is Linux Server.
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    So can you tell me how to add the license key For BO XI R3.1 SP3 Integration Tool Kit For SAP in Linux Server.
    Thanks & Regards,
    Venkat

    On Unix / Linux you should be able to leverage the response from Raphael and change:
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    For more information verify the below link
    [How do you update the SAP Integration Kit license?;
    Regrads
    Pardhu

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