markus / MarkusAutoUpdate / src / NetSparkle.Tools.DSAHelper / Program.cs @ d8f5045e
이력 | 보기 | 이력해설 | 다운로드 (6.94 KB)
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using System; |
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using System.Collections.Generic; |
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using System.Linq; |
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using System.Text; |
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using System.IO; |
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using System.Security.Cryptography; |
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using NetSparkleUpdater.Enums; |
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namespace NetSparkleUpdater.DSAHelper |
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{
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class Program |
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{
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private static string _dsaPrivKey = "NetSparkle_DSA.priv"; |
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private static string _dsaPubKey = "NetSparkle_DSA.pub"; |
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static void Main(string[] args) |
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{
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try |
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{
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// check if we have some parameters |
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if (args.Count() < 1) |
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{
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Usage(); |
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return; |
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} |
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// check what parameter we have |
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switch (args[0].ToLower()) |
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{
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case "/genkey_pair": |
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{
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// show headline |
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ShowHeadLine(); |
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// verify if output file exists |
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if (File.Exists(_dsaPrivKey) || File.Exists(_dsaPubKey)) |
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{
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Console.WriteLine("Error: Output files are currently exists");
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Environment.ExitCode = -1; |
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return; |
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} |
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// start key generation |
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Console.WriteLine("Generating key pair with 1024 Bits...");
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DSACryptoServiceProvider prv = new DSACryptoServiceProvider(); |
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Console.WriteLine("Storing private key to " + _dsaPrivKey);
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using (StreamWriter sw = new StreamWriter(_dsaPrivKey)) |
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{
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sw.Write(prv.ToXmlString(true)); |
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} |
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Console.WriteLine("Storing public key to " + _dsaPubKey);
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using (StreamWriter sw = new StreamWriter(_dsaPubKey)) |
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{
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sw.Write(prv.ToXmlString(false)); |
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} |
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Console.WriteLine("");
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} |
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break; |
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case "/sign_update": |
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{
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if (args.Count() != 3) |
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{
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Usage(); |
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Environment.ExitCode = -1; |
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return; |
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} |
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// get parameter |
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String binary = args[1]; |
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String privKey = args[2]; |
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if (!File.Exists(binary)) |
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{
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Console.Error.WriteLine("Target binary " + binary + " does not exists");
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Environment.ExitCode = -1; |
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return; |
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} |
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if (!File.Exists(privKey)) |
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{
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Console.Error.WriteLine("Private key file does not exists");
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Environment.ExitCode = -1; |
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return; |
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} |
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Console.WriteLine(Utilities.GetDSASignature(binary, privKey)); |
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} |
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break; |
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case "/verify_update": |
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{
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if (args.Count() != 4) |
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{
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Usage(); |
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Environment.ExitCode = -1; |
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return; |
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} |
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// get parameter |
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string binary = args[1]; |
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string pubKeyFile = args[2]; |
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string sign = args[3]; |
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sign = sign.TrimStart('"');
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sign = sign.TrimEnd('"');
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NetSparkleUpdater.SignatureVerifiers.DSAChecker dsaVerif = |
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new NetSparkleUpdater.SignatureVerifiers.DSAChecker(SecurityMode.UseIfPossible, null, pubKeyFile); |
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switch (dsaVerif.VerifySignatureOfFile(sign, binary)) |
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{
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case ValidationResult.Valid: |
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Console.WriteLine("Binary " + binary + " is valid");
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break; |
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case ValidationResult.Invalid: |
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Console.WriteLine("Binary " + binary + " is NOT valid");
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break; |
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case ValidationResult.Unchecked: |
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Console.WriteLine("Binary " + binary + " could not be checked");
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break; |
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} |
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} |
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break; |
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default: |
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Usage(); |
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break; |
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} |
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} |
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catch (Exception e) |
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{
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Console.WriteLine("Something went wrong :-(");
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Console.WriteLine(e.StackTrace); |
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} |
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} |
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static private void Usage() |
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{
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ShowHeadLine(); |
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Console.WriteLine("NetSparkle.DSAHelper.exe /genkey_pair");
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Console.WriteLine("");
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Console.WriteLine("Generates a public and a private DSA key pair which is stored in the current");
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Console.WriteLine("working directory. The private is stored in the file NetSparkle_DSA.priv");
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Console.WriteLine("The public key will be stored in a file named NetSparkle_DSA.pub. Add the");
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Console.WriteLine("public key file as resource to your application.");
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Console.WriteLine("");
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Console.WriteLine("NetSparkle.DSAHelper.exe /sign_update {YourPackage.msi} {NetSparkle_DSA.priv}");
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Console.WriteLine("");
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Console.WriteLine("Allows to sign an existing update package unattended. YourPackage.msi has to be");
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Console.WriteLine("a valid path to the package binary as self (mostly Windows Installer packages).");
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Console.WriteLine("The NetSparkle_DSA.priv has to be a path to the generated DAS private key,");
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Console.WriteLine("which has to be used for signing.");
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Console.WriteLine("");
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Console.WriteLine("NetSparkle.DSAHelper.exe /verify_update {YourPackage.msi} {NetSparkle_DSA.pub} \"{Base64SignatureString}\"");
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Console.WriteLine("");
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} |
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private static void ShowHeadLine() |
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{
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Console.WriteLine("NetSparkle DSA Helper");
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Console.WriteLine("(c) 2011 Dirk Eisenberg under the terms of MIT license");
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Console.WriteLine("");
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} |
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} |
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} |
