mcs/tools/security/MakeCert.cs

   1 //
   2 // MakeCert.cs: makecert clone tool
   3 //
   4 // Author:
   5 //      Sebastien Pouliot (spouliot@motus.com)
   6 //
   7 // (C) 2003 Motus Technologies Inc. (http://www.motus.com)
   8 //
   9
  10 using System;
  11 using System.IO;
  12 using System.Reflection;
  13 using System.Security.Cryptography;
  14
  15 using Mono.Security.Authenticode;
  16 using Mono.Security.X509;
  17 using Mono.Security.X509.Extensions;
  18
  19 [assembly: AssemblyTitle("Mono MakeCert")]
  20 [assembly: AssemblyDescription("X.509 Certificate Builder")]
  21
  22 namespace Mono.Tools {
  23
  24         class MakeCert {
  25
  26                 static private void Header ()
  27                 {
  28                         Assembly a = Assembly.GetExecutingAssembly ();
  29                         AssemblyName an = a.GetName ();
  30
  31                         object [] att = a.GetCustomAttributes (typeof (AssemblyTitleAttribute), false);
  32                         string title = ((att.Length > 0) ? ((AssemblyTitleAttribute) att [0]).Title : "Mono MakeCert");
  33
  34                         att = a.GetCustomAttributes (typeof (AssemblyCopyrightAttribute), false);
  35                         string copyright = ((att.Length > 0) ? ((AssemblyCopyrightAttribute) att [0]).Copyright : "");
  36
  37                         Console.WriteLine ("{0} {1}", title, an.Version.ToString ());
  38                         Console.WriteLine ("{0}{1}", copyright, Environment.NewLine);
  39                 }
  40
  41                 static private void Help ()
  42                 {
  43                         Console.WriteLine ("Usage: makecert [options] certificate{0}", Environment.NewLine);
  44                         Console.WriteLine (" -# num{0}\tCertificate serial number", Environment.NewLine);
  45                         Console.WriteLine (" -n dn{0}\tSubject Distinguished Name", Environment.NewLine);
  46                         Console.WriteLine (" -in dn{0}\tIssuert Distinguished Name", Environment.NewLine);
  47                         Console.WriteLine (" -r{0}\tCreate a self-signed (root) certificate", Environment.NewLine);
  48                         Console.WriteLine (" -sv pkvfile{0}\tPrivate key file (.PVK) for the subject (created if missing)", Environment.NewLine);
  49                         Console.WriteLine (" -iv pvkfile{0}\tPrivate key file (.PVK) for the issuer", Environment.NewLine);
  50                         Console.WriteLine (" -ic certfile{0}\tExtract the issuer's name from the specified certificate", Environment.NewLine);
  51                         Console.WriteLine (" -?{0}\thelp (display this help message)", Environment.NewLine);
  52                         Console.WriteLine (" -!{0}\textended help (for advanced options)", Environment.NewLine);
  53                 }
  54
  55                 static private void ExtendedHelp ()
  56                 {
  57                         Console.WriteLine ("Usage: makecert [options] certificate{0}", Environment.NewLine);
  58                         Console.WriteLine (" -a hash\tSelect hash algorithm. Only MD5 and SHA1 are supported.");
  59                         Console.WriteLine (" -b date\tThe date since when the certificate is valid (notBefore).");
  60                         Console.WriteLine (" -cy [authority|end]\tBasic constraints. Select Authority or End-Entity certificate.");
  61                         Console.WriteLine (" -e date\tThe date until when the certificate is valid (notAfter).");
  62                         Console.WriteLine (" -eku oid[,oid]\tAdd some extended key usage OID to the certificate.");
  63                         Console.WriteLine (" -h number\tAdd a path length restriction to the certificate chain.");
  64                         Console.WriteLine (" -ic cert\tTake the issuer's name from the specified certificate.");
  65                         Console.WriteLine (" -in name\tTake the issuer's name from the specified parameter.");
  66                         Console.WriteLine (" -iv pvkfile\tSign the certificate using the private key inside the PVK file.");
  67                         Console.WriteLine (" -m number\tCertificate validity period (in months).");
  68                         Console.WriteLine (" -sv pvkfile\tCreate a new PVK file if non-existant, otherwise use the PVK file as the subject public key.");
  69                         Console.WriteLine (" -?\thelp (display basic message)");
  70                 }
  71
  72                 static X509Certificate LoadCertificate (string filename)
  73                 {
  74                         FileStream fs = new FileStream (filename, FileMode.Open, FileAccess.Read, FileShare.Read);
  75                         byte[] rawcert = new byte [fs.Length];
  76                         fs.Read (rawcert, 0, rawcert.Length);
  77                         fs.Close ();
  78                         return new X509Certificate (rawcert);
  79                 }
  80
  81                 static void WriteCertificate (string filename, byte[] rawcert)
  82                 {
  83                         FileStream fs = File.Open (filename, FileMode.Create, FileAccess.Write);
  84                         fs.Write (rawcert, 0, rawcert.Length);
  85                         fs.Close ();
  86                 }
  87
  88                 static string MonoTestRootAgency = "<RSAKeyValue><Modulus>v/4nALBxCE+9JgEC0LnDUvKh6e96PwTpN4Rj+vWnqKT7IAp1iK/JjuqvAg6DQ2vTfv0dTlqffmHH51OyioprcT5nzxcSTsZb/9jcHScG0s3/FRIWnXeLk/fgm7mSYhjUaHNI0m1/NTTktipicjKxo71hGIg9qucCWnDum+Krh/k=</Modulus><Exponent>AQAB</Exponent><P>9jbKxMXEruW2CfZrzhxtull4O8P47+mNsEL+9gf9QsRO1jJ77C+jmzfU6zbzjf8+ViK+q62tCMdC1ZzulwdpXQ==</P><Q>x5+p198l1PkK0Ga2mRh0SIYSykENpY2aLXoyZD/iUpKYAvATm0/wvKNrE4dKJyPCA+y3hfTdgVag+SP9avvDTQ==</Q><DP>ISSjCvXsUfbOGG05eddN1gXxL2pj+jegQRfjpk7RAsnWKvNExzhqd5x+ZuNQyc6QH5wxun54inP4RTUI0P/IaQ==</DP><DQ>R815VQmR3RIbPqzDXzv5j6CSH6fYlcTiQRtkBsUnzhWmkd/y3XmamO+a8zJFjOCCx9CcjpVuGziivBqi65lVPQ==</DQ><InverseQ>iYiu0KwMWI/dyqN3RJYUzuuLj02/oTD1pYpwo2rvNCXU1Q5VscOeu2DpNg1gWqI+1RrRCsEoaTNzXB1xtKNlSw==</InverseQ><D>nIfh1LYF8fjRBgMdAH/zt9UKHWiaCnc+jXzq5tkR8HVSKTVdzitD8bl1JgAfFQD8VjSXiCJqluexy/B5SGrCXQ49c78NIQj0hD+J13Y8/E0fUbW1QYbhj6Ff7oHyhaYe1WOQfkp2t/h+llHOdt1HRf7bt7dUknYp7m8bQKGxoYE=</D></RSAKeyValue>";
  89
  90                 static string defaultIssuer = "CN=Mono Test Root Agency";
  91                 static string defaultSubject = "CN=Poupou's-Software-Factory";
  92
  93                 [STAThread]
  94                 static int Main (string[] args)
  95                 {
  96                         if (args.Length < 1) {
  97                                 Header ();
  98                                 Console.WriteLine ("ERROR: Missing output filename {0}", Environment.NewLine);
  99                                 Help ();
 100                                 return -1;
 101                         }
 102
 103                         System.IFormatProvider format = new System.Globalization.CultureInfo("en-US", true);
 104                         string fileName = args [args.Length - 1];
 105
 106                         // default values
 107                         byte[] sn = Guid.NewGuid ().ToByteArray ();
 108                         string subject = defaultSubject;
 109                         string issuer = defaultIssuer;
 110                         DateTime notBefore = DateTime.Now;
 111                         DateTime notAfter =  DateTime.Parse ("12/31/2039 23:59:59Z", format);
 112
 113                         RSA issuerKey = (RSA)RSA.Create ();
 114                         issuerKey.FromXmlString (MonoTestRootAgency);
 115                         RSA subjectKey = (RSA)RSA.Create ();
 116
 117                         bool selfSigned = false;
 118                         string hashName = "MD5";
 119
 120                         CspParameters subjectParams = new CspParameters ();
 121                         CspParameters issuerParams = new CspParameters ();
 122                         BasicConstraintsExtension bce = null;
 123                         ExtendedKeyUsageExtension eku = null;
 124
 125                         Header();
 126                         try {
 127                                 int i=0;
 128                                 while (i < args.Length) {
 129                                         switch (args [i++]) {
 130                                                 // Basic options
 131                                                 case "-#":
 132                                                         // Serial Number
 133                                                         sn = BitConverter.GetBytes (Convert.ToInt32 (args [i++]));
 134                                                         break;
 135                                                 case "-n":
 136                                                         // Subject Distinguish Name
 137                                                         subject = args [i++];
 138                                                         break;
 139                                                 case "-$":
 140                                                         // (authenticode) commercial or individual
 141                                                         // CRITICAL KeyUsageRestriction extension
 142                                                         // hash algorithm
 143                                                         string usageRestriction = args [i++].ToLower ();
 144                                                         switch (usageRestriction) {
 145                                                                 case "commercial":
 146                                                                 case "individual":
 147                                                                         Console.WriteLine ("WARNING: Unsupported deprecated certification extension KeyUsageRestriction not included");
 148 //                                                                      Console.WriteLine ("WARNING: ExtendedKeyUsage for codesigning has been included.");
 149                                                                         break;
 150                                                                 default:
 151                                                                         Console.WriteLine ("Unsupported restriction " + usageRestriction);
 152                                                                         return -1;
 153                                                         }
 154                                                         break;
 155                                                 // Extended Options
 156                                                 case "-a":
 157                                                         // hash algorithm
 158                                                         switch (args [i++].ToLower ()) {
 159                                                                 case "sha1":
 160                                                                         hashName = "SHA1";
 161                                                                         break;
 162                                                                 case "md5":
 163                                                                         hashName = "MD5";
 164                                                                         break;
 165                                                                 default:
 166                                                                         Console.WriteLine ("Unsupported hash algorithm");
 167                                                                         break;
 168                                                         }
 169                                                         break;
 170                                                 case "-b":
 171                                                         // Validity / notBefore
 172                                                         notBefore = DateTime.Parse (args [i++] + " 23:59:59", format);
 173                                                         break;
 174                                                 case "-cy":
 175                                                         // basic constraints - autority or end-entity
 176                                                         switch (args [i++].ToLower ()) {
 177                                                                 case "authority":
 178                                                                         if (bce == null)
 179                                                                                 bce = new BasicConstraintsExtension ();
 180                                                                         bce.CertificateAuthority = true;
 181                                                                         break;
 182                                                                 case "end":
 183                                                                         // do not include extension
 184                                                                         bce = null;
 185                                                                         break;
 186                                                                 case "both":
 187                                                                         Console.WriteLine ("ERROR: No more supported in X.509");
 188                                                                         return -1;
 189                                                                 default:
 190                                                                         Console.WriteLine ("Unsupported certificate type");
 191                                                                         return -1;
 192                                                         }
 193                                                         break;
 194                                                 case "-d":
 195                                                         // CN private extension ?
 196                                                         Console.WriteLine ("Unsupported option");
 197                                                         break;
 198                                                 case "-e":
 199                                                         // Validity / notAfter
 200                                                         notAfter = DateTime.Parse (args [i++] + " 23:59:59", format);
 201                                                         break;
 202                                                 case "-eku":
 203                                                         // extendedKeyUsage extension
 204                                                         char[] sep = { ',' };
 205                                                         string[] purposes = args [i++].Split (sep);
 206                                                         if (eku == null)
 207                                                                 eku = new ExtendedKeyUsageExtension ();
 208                                                         foreach (string purpose in purposes) {
 209                                                                 eku.KeyPurpose.Add (purpose);
 210                                                         }
 211                                                         break;
 212                                                 case "-h":
 213                                                         // pathLength (basicConstraints)
 214                                                         // MS use an old basicConstrains (2.5.29.10) which
 215                                                         // allows both CA and End-Entity. This is no
 216                                                         // more supported with 2.5.29.19.
 217                                                         if (bce == null) {
 218                                                                 bce = new BasicConstraintsExtension ();
 219                                                                 bce.CertificateAuthority = true;
 220                                                         }
 221                                                         bce.PathLenConstraint = Convert.ToInt32 (args [i++]);
 222                                                         break;
 223                                                 case "-ic":
 224                                                         X509Certificate x509 = LoadCertificate (args [i++]);
 225                                                         issuer = x509.SubjectName;
 226                                                         break;
 227                                                 case "-in":
 228                                                         issuer = args [i++];
 229                                                         break;
 230                                                 case "-iv":
 231                                                         // TODO password
 232                                                         PrivateKey pvk = PrivateKey.CreateFromFile (args [i++]);
 233                                                         issuerKey = pvk.RSA;
 234                                                         break;
 235                                                 case "-l":
 236                                                         // link (URL)
 237                                                         // spcSpAgencyInfo private extension
 238                                                         Console.WriteLine ("Unsupported option");
 239                                                         break;
 240                                                 case "-m":
 241                                                         // validity period (in months)
 242                                                         notAfter = notBefore.AddMonths (Convert.ToInt32 (args [i++]));
 243                                                         break;
 244                                                 case "-nscp":
 245                                                         // Netscape's private extensions - NetscapeCertType
 246                                                         // BasicContraints - End Entity
 247                                                         Console.WriteLine ("Unsupported option");
 248                                                         break;
 249                                                 case "-r":
 250                                                         selfSigned = true;
 251                                                         break;
 252                                                 case "-sc":
 253                                                         // subject certificate ? renew ?
 254                                                         Console.WriteLine ("Unsupported option");
 255                                                         break;
 256                                                 // Issuer CspParameters options
 257                                                 case "-ik":
 258                                                         issuerParams.KeyContainerName = args [i++];
 259                                                         break;
 260                                                 case "-iky":
 261                                                         // select a key in the provider
 262                                                         string ikn = args [i++].ToLower ();
 263                                                         switch (ikn) {
 264                                                                 case "signature":
 265                                                                         issuerParams.KeyNumber = 0;
 266                                                                         break;
 267                                                                 case "exchange":
 268                                                                         issuerParams.KeyNumber = 1;
 269                                                                         break;
 270                                                                 default:
 271                                                                         issuerParams.KeyNumber = Convert.ToInt32 (ikn);
 272                                                                         break;
 273                                                         }
 274                                                         break;
 275                                                 case "-ip":
 276                                                         issuerParams.ProviderName = args [i++];
 277                                                         break;
 278                                                 case "-ir":
 279                                                         switch (args [i++].ToLower ()) {
 280                                                                 case "localmachine":
 281                                                                         issuerParams.Flags = CspProviderFlags.UseMachineKeyStore;
 282                                                                         break;
 283                                                                 case "currentuser":
 284                                                                         issuerParams.Flags = CspProviderFlags.UseDefaultKeyContainer;
 285                                                                         break;
 286                                                                 default:
 287                                                                         Console.WriteLine ("Unknown key store for issuer");
 288                                                                         return -1;
 289                                                         }
 290                                                         break;
 291                                                 case "-is":
 292                                                         Console.WriteLine ("Unsupported option");
 293                                                         return -1;
 294                                                 case "-iy":
 295                                                         issuerParams.ProviderType = Convert.ToInt32 (args [i++]);
 296                                                         break;
 297                                                 // Subject CspParameters Options
 298                                                 case "-sk":
 299                                                         subjectParams.KeyContainerName = args [i++];
 300                                                         break;
 301                                                 case "-sky":
 302                                                         // select a key in the provider
 303                                                         string skn = args [i++].ToLower ();
 304                                                         switch (skn) {
 305                                                                 case "signature":
 306                                                                         subjectParams.KeyNumber = 0;
 307                                                                         break;
 308                                                                 case "exchange":
 309                                                                         subjectParams.KeyNumber = 1;
 310                                                                         break;
 311                                                                 default:
 312                                                                         subjectParams.KeyNumber = Convert.ToInt32 (skn);
 313                                                                         break;
 314                                                         }
 315                                                         break;
 316                                                 case "-sp":
 317                                                         subjectParams.ProviderName = args [i++];
 318                                                         break;
 319                                                 case "-sr":
 320                                                         switch (args [i++].ToLower ()) {
 321                                                                 case "localmachine":
 322                                                                         subjectParams.Flags = CspProviderFlags.UseMachineKeyStore;
 323                                                                         break;
 324                                                                 case "currentuser":
 325                                                                         subjectParams.Flags = CspProviderFlags.UseDefaultKeyContainer;
 326                                                                         break;
 327                                                                 default:
 328                                                                         Console.WriteLine ("Unknown key store for subject");
 329                                                                         return -1;
 330                                                         }
 331                                                         break;
 332                                                 case "-ss":
 333                                                         Console.WriteLine ("Unsupported option");
 334                                                         return -1;
 335                                                 case "-sv":
 336                                                         string pvkFile = args [i++];
 337                                                         if (File.Exists (pvkFile)) {
 338                                                                 PrivateKey key = PrivateKey.CreateFromFile (pvkFile);
 339                                                                 subjectKey = key.RSA;
 340                                                         }
 341                                                         else {
 342                                                                 PrivateKey key = new PrivateKey ();
 343                                                                 key.RSA = subjectKey;
 344                                                                 key.Save (pvkFile);
 345                                                         }
 346                                                         break;
 347                                                 case "-sy":
 348                                                         subjectParams.ProviderType = Convert.ToInt32 (args [i++]);
 349                                                         break;
 350                                                 // Other options
 351                                                 case "-?":
 352                                                         Help ();
 353                                                         return 0;
 354                                                 case "-!":
 355                                                         ExtendedHelp ();
 356                                                         return 0;
 357                                                 default:
 358                                                         if (i != args.Length) {
 359                                                                 Console.WriteLine ("ERROR: Unknown parameter");
 360                                                                 Help ();
 361                                                                 return -1;
 362                                                         }
 363                                                         break;
 364                                         }
 365                                 }
 366
 367                                 // serial number MUST be positive
 368                                 if ((sn [0] & 0x80) == 0x80)
 369                                         sn [0] -= 0x80;
 370
 371                                 if (selfSigned) {
 372                                         if (subject != defaultSubject) {
 373                                                 issuer = subject;
 374                                                 issuerKey = subjectKey;
 375                                         }
 376                                         else {
 377                                                 subject = issuer;
 378                                                 subjectKey = issuerKey;
 379                                         }
 380                                 }
 381
 382                                 if (subject == null)
 383                                         throw new Exception ("Missing Subject Name");
 384
 385                                 X509CertificateBuilder cb = new X509CertificateBuilder (3);
 386                                 cb.SerialNumber = sn;
 387                                 cb.IssuerName = issuer;
 388                                 cb.NotBefore = notBefore;
 389                                 cb.NotAfter = notAfter;
 390                                 cb.SubjectName = subject;
 391                                 cb.SubjectPublicKey = subjectKey;
 392                                 // extensions
 393                                 if (bce != null)
 394                                         cb.Extensions.Add (bce);
 395                                 if (eku != null)
 396                                         cb.Extensions.Add (eku);
 397                                 // signature
 398                                 cb.Hash = hashName;
 399                                 byte[] rawcert = cb.Sign (issuerKey);
 400                                 WriteCertificate (fileName, rawcert);
 401                                 Console.WriteLine ("Success");
 402                                 return 0;
 403                         }
 404                         catch (Exception e) {
 405                                 Console.WriteLine ("ERROR: " + e.ToString ());
 406                                 Help ();
 407                         }
 408                         return 1;
 409                 }
 410         }
 411 }