public void KeyValidation() { // please add SKGL as a reference (using SKGL) /** * * STEP 1: MACHINE CODE * This code should be generated by the client. **/ var machineCode = SKM.getMachineCode(SKM.getSHA1); System.Diagnostics.Debug.WriteLine(machineCode); /** * * STEP 2: VALIDATION OF ACTIVATION FILE * * The code is already pre-configured for you; you only need to specify the file path. * You can specify the file path in the string filePath variable below * * */ // where the activation file is located string filePath = "c:\\test\\ActivationFile20150020.skm"; string rsaPublicKey = "<RSAKeyValue><Modulus>sGbvxwdlDbqFXOMlVUnAF5ew0t0WpPW7rFpI5jHQOFkht/326dvh7t74RYeMpjy357NljouhpTLA3a6idnn4j6c3jmPWBkjZndGsPL4Bqm+fwE48nKpGPjkj4q/yzT4tHXBTyvaBjA8bVoCTnu+LiC4XEaLZRThGzIn5KQXKCigg6tQRy0GXE13XYFVz/x1mjFbT9/7dS8p85n8BuwlY5JvuBIQkKhuCNFfrUxBWyu87CFnXWjIupCD2VO/GbxaCvzrRjLZjAngLCMtZbYBALksqGPgTUN7ZM24XbPWyLtKPaXF2i4XRR9u6eTj5BfnLbKAU5PIVfjIS+vNYYogteQ==</Modulus><Exponent>AQAB</Exponent></RSAKeyValue>"; var keyInfo = new KeyInformation(); keyInfo = keyInfo.LoadFromFile(filePath, json: true, activationFile: true); if (keyInfo.HasValidSignature(rsaPublicKey) .IsValid()) { // if we have come so far, the user has a valid activation file // where no information has been altered. // below this line, please put some logic handle if (keyInfo.IsOnRightMachine().IsValid()) { // if this is not true, the user tries to activate // an activation file that belongs to another computer. // therefore, it's invalid operation and should FAIL. // note, this method assumes you use SHA1 as hashing algorithm // for the machine code. } // here we can retrieve some useful info Console.WriteLine(keyInfo.CreationDate); //... etc. } else { Assert.Fail(); } }
public void OfflineKeyValidationWithPeriodicTimeCheck() { var RSAPublicKey = "<RSAKeyValue><Modulus>sGbvxwdlDbqFXOMlVUnAF5ew0t0WpPW7rFpI5jHQOFkht/326dvh7t74RYeMpjy357NljouhpTLA3a6idnn4j6c3jmPWBkjZndGsPL4Bqm+fwE48nKpGPjkj4q/yzT4tHXBTyvaBjA8bVoCTnu+LiC4XEaLZRThGzIn5KQXKCigg6tQRy0GXE13XYFVz/x1mjFbT9/7dS8p85n8BuwlY5JvuBIQkKhuCNFfrUxBWyu87CFnXWjIupCD2VO/GbxaCvzrRjLZjAngLCMtZbYBALksqGPgTUN7ZM24XbPWyLtKPaXF2i4XRR9u6eTj5BfnLbKAU5PIVfjIS+vNYYogteQ==</Modulus><Exponent>AQAB</Exponent></RSAKeyValue>"; var keyInfo = new KeyInformation().LoadFromFile("c:\\test\\license2.txt"); if (keyInfo.HasValidSignature(RSAPublicKey, 3) .IsValid()) { // the signature is correct so // the program can now launch return; } else { string key = ""; if (keyInfo.IsValid()) { key = keyInfo.Key; // the license key is stored in the activation file. } else { key = "MJAWL-ITPVZ-LKGAN-DLJDN"; // if we are here, ask the user about the key } var machineCode = SKGL.SKM.getMachineCode(SKGL.SKM.getSHA1); keyInfo = SKGL.SKM.KeyActivation("3", "2", "751963", key, machineCode, secure: true, signMid: true, signDate: true); if (keyInfo.HasValidSignature(RSAPublicKey).IsValid()) { // the signature is correct and the key is valid. // save to file. keyInfo.SaveToFile("c:\\test\\license2.txt"); // the program can now launch return; } else { // failure. close the program. } } Assert.Fail(); }