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makecert.cs
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makecert.cs
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//
// makecert.cs: makecert clone tool
//
// Author:
// Sebastien Pouliot <sebastien@ximian.com>
//
// (C) 2003 Motus Technologies Inc. (http://www.motus.com)
// Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
//
using System;
using System.Collections;
using System.Globalization;
using System.IO;
using System.Reflection;
using System.Security.Cryptography;
using Mono.Security.Authenticode;
using Mono.Security.X509;
using Mono.Security.X509.Extensions;
[assembly: AssemblyTitle("Mono MakeCert")]
[assembly: AssemblyDescription("X.509 Certificate Builder")]
namespace Mono.Tools {
class MakeCert {
static private void Header ()
{
Console.WriteLine (new AssemblyInfo ().ToString ());
}
static private void Help ()
{
Console.WriteLine ("Usage: makecert [options] certificate{0}", Environment.NewLine);
Console.WriteLine (" -# num{0}\tCertificate serial number", Environment.NewLine);
Console.WriteLine (" -n dn{0}\tSubject Distinguished Name", Environment.NewLine);
Console.WriteLine (" -in dn{0}\tIssuer Distinguished Name", Environment.NewLine);
Console.WriteLine (" -r{0}\tCreate a self-signed (root) certificate", Environment.NewLine);
Console.WriteLine (" -sv pkvfile{0}\tPrivate key file (.PVK) for the subject (created if missing)", Environment.NewLine);
Console.WriteLine (" -iv pvkfile{0}\tPrivate key file (.PVK) for the issuer", Environment.NewLine);
Console.WriteLine (" -ic certfile{0}\tExtract the issuer's name from the specified certificate", Environment.NewLine);
Console.WriteLine (" -?{0}\thelp (display this help message)", Environment.NewLine);
Console.WriteLine (" -!{0}\textended help (for advanced options)", Environment.NewLine);
}
static private void ExtendedHelp ()
{
Console.WriteLine ("Usage: makecert [options] certificate{0}", Environment.NewLine);
Console.WriteLine (" -a hash\tSelect hash algorithm. Only MD5 and SHA1 (default) are supported.");
Console.WriteLine (" -b date\tThe date since when the certificate is valid (notBefore).");
Console.WriteLine (" -cy [authority|end]\tBasic constraints. Select Authority or End-Entity certificate.");
Console.WriteLine (" -e date\tThe date until when the certificate is valid (notAfter).");
Console.WriteLine (" -eku oid[,oid]\tAdd some extended key usage OID to the certificate.");
Console.WriteLine (" -h number\tAdd a path length restriction to the certificate chain.");
Console.WriteLine (" -in name\tTake the issuer's name from the specified parameter.");
Console.WriteLine (" -m number\tCertificate validity period (in months).");
Console.WriteLine (" -p12 pkcs12file password\tCreate a new PKCS#12 file with the specified password.");
Console.WriteLine (" -?\thelp (display basic message)");
}
static X509Certificate LoadCertificate (string filename)
{
FileStream fs = new FileStream (filename, FileMode.Open, FileAccess.Read, FileShare.Read);
byte[] rawcert = new byte [fs.Length];
fs.Read (rawcert, 0, rawcert.Length);
fs.Close ();
return new X509Certificate (rawcert);
}
static void WriteCertificate (string filename, byte[] rawcert)
{
FileStream fs = File.Open (filename, FileMode.Create, FileAccess.Write);
fs.Write (rawcert, 0, rawcert.Length);
fs.Close ();
}
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>";
static string defaultIssuer = "CN=Mono Test Root Agency";
static string defaultSubject = "CN=Poupou's-Software-Factory";
[STAThread]
static int Main (string[] args)
{
if (args.Length < 1) {
Header ();
Console.WriteLine ("ERROR: Missing output filename {0}", Environment.NewLine);
Help ();
return -1;
}
string fileName = args [args.Length - 1];
// default values
byte[] sn = Guid.NewGuid ().ToByteArray ();
string subject = defaultSubject;
string issuer = defaultIssuer;
DateTime notBefore = DateTime.Now;
DateTime notAfter = new DateTime (643445675990000000); // 12/31/2039 23:59:59Z
RSA issuerKey = (RSA)RSA.Create ();
issuerKey.FromXmlString (MonoTestRootAgency);
RSA subjectKey = (RSA)RSA.Create ();
bool selfSigned = false;
string hashName = "SHA512";
CspParameters subjectParams = new CspParameters ();
CspParameters issuerParams = new CspParameters ();
BasicConstraintsExtension bce = null;
ExtendedKeyUsageExtension eku = null;
SubjectAltNameExtension alt = null;
string p12file = null;
string p12pwd = null;
X509Certificate issuerCertificate = null;
Header();
try {
int i=0;
while (i < args.Length) {
switch (args [i++]) {
// Basic options
case "-#":
// Serial Number
sn = BitConverter.GetBytes (Convert.ToInt32 (args [i++]));
break;
case "-n":
// Subject Distinguish Name
subject = args [i++];
break;
case "-$":
// (authenticode) commercial or individual
// CRITICAL KeyUsageRestriction extension
// hash algorithm
string usageRestriction = args [i++].ToLower ();
switch (usageRestriction) {
case "commercial":
case "individual":
Console.WriteLine ("WARNING: Unsupported deprecated certification extension KeyUsageRestriction not included");
// Console.WriteLine ("WARNING: ExtendedKeyUsage for codesigning has been included.");
break;
default:
Console.WriteLine ("Unsupported restriction " + usageRestriction);
return -1;
}
break;
// Extended Options
case "-a":
// hash algorithm
switch (args [i++].ToLower ()) {
case "sha512":
hashName = "SHA512";
break;
case "sha256":
hashName = "SHA256";
break;
case "sha1":
Console.WriteLine ("WARNING: SHA1 is not safe for this usage.");
hashName = "SHA1";
break;
case "md5":
Console.WriteLine ("WARNING: MD5 is not safe for this usage.");
hashName = "MD5";
break;
default:
Console.WriteLine ("Unsupported hash algorithm");
break;
}
break;
case "-b":
// Validity / notBefore
notBefore = DateTime.Parse (args [i++] + " 23:59:59", CultureInfo.InvariantCulture);
break;
case "-cy":
// basic constraints - autority or end-entity
switch (args [i++].ToLower ()) {
case "authority":
if (bce == null)
bce = new BasicConstraintsExtension ();
bce.CertificateAuthority = true;
break;
case "end":
// do not include extension
bce = null;
break;
case "both":
Console.WriteLine ("ERROR: No more supported in X.509");
return -1;
default:
Console.WriteLine ("Unsupported certificate type");
return -1;
}
break;
case "-d":
// CN private extension ?
Console.WriteLine ("Unsupported option");
break;
case "-e":
// Validity / notAfter
notAfter = DateTime.Parse (args [i++] + " 23:59:59", CultureInfo.InvariantCulture);
break;
case "-eku":
// extendedKeyUsage extension
char[] sep = { ',' };
string[] purposes = args [i++].Split (sep);
if (eku == null)
eku = new ExtendedKeyUsageExtension ();
foreach (string purpose in purposes) {
eku.KeyPurpose.Add (purpose);
}
break;
case "-h":
// pathLength (basicConstraints)
// MS use an old basicConstrains (2.5.29.10) which
// allows both CA and End-Entity. This is no
// more supported with 2.5.29.19.
if (bce == null) {
bce = new BasicConstraintsExtension ();
bce.CertificateAuthority = true;
}
bce.PathLenConstraint = Convert.ToInt32 (args [i++]);
break;
case "-alt":
if (alt == null) {
string [] dnsNames = File.ReadAllLines (args [i++]);
alt = new SubjectAltNameExtension (null, dnsNames, null, null);
}
break;
case "-ic":
issuerCertificate = LoadCertificate (args [i++]);
issuer = issuerCertificate.SubjectName;
break;
case "-in":
issuer = args [i++];
break;
case "-iv":
// TODO password
PrivateKey pvk = PrivateKey.CreateFromFile (args [i++]);
issuerKey = pvk.RSA;
break;
case "-l":
// link (URL)
// spcSpAgencyInfo private extension
Console.WriteLine ("Unsupported option");
break;
case "-m":
// validity period (in months)
notAfter = notBefore.AddMonths (Convert.ToInt32 (args [i++]));
break;
case "-nscp":
// Netscape's private extensions - NetscapeCertType
// BasicContraints - End Entity
Console.WriteLine ("Unsupported option");
break;
case "-r":
selfSigned = true;
break;
case "-sc":
// subject certificate ? renew ?
Console.WriteLine ("Unsupported option");
break;
// Issuer CspParameters options
case "-ik":
issuerParams.KeyContainerName = args [i++];
break;
case "-iky":
// select a key in the provider
string ikn = args [i++].ToLower ();
switch (ikn) {
case "signature":
issuerParams.KeyNumber = 0;
break;
case "exchange":
issuerParams.KeyNumber = 1;
break;
default:
issuerParams.KeyNumber = Convert.ToInt32 (ikn);
break;
}
break;
case "-ip":
issuerParams.ProviderName = args [i++];
break;
case "-ir":
switch (args [i++].ToLower ()) {
case "localmachine":
issuerParams.Flags = CspProviderFlags.UseMachineKeyStore;
break;
case "currentuser":
issuerParams.Flags = CspProviderFlags.UseDefaultKeyContainer;
break;
default:
Console.WriteLine ("Unknown key store for issuer");
return -1;
}
break;
case "-is":
Console.WriteLine ("Unsupported option");
return -1;
case "-iy":
issuerParams.ProviderType = Convert.ToInt32 (args [i++]);
break;
// Subject CspParameters Options
case "-sk":
subjectParams.KeyContainerName = args [i++];
break;
case "-sky":
// select a key in the provider
string skn = args [i++].ToLower ();
switch (skn) {
case "signature":
subjectParams.KeyNumber = 0;
break;
case "exchange":
subjectParams.KeyNumber = 1;
break;
default:
subjectParams.KeyNumber = Convert.ToInt32 (skn);
break;
}
break;
case "-sp":
subjectParams.ProviderName = args [i++];
break;
case "-sr":
switch (args [i++].ToLower ()) {
case "localmachine":
subjectParams.Flags = CspProviderFlags.UseMachineKeyStore;
break;
case "currentuser":
subjectParams.Flags = CspProviderFlags.UseDefaultKeyContainer;
break;
default:
Console.WriteLine ("Unknown key store for subject");
return -1;
}
break;
case "-ss":
Console.WriteLine ("Unsupported option");
return -1;
case "-sv":
string pvkFile = args [i++];
if (File.Exists (pvkFile)) {
PrivateKey key = PrivateKey.CreateFromFile (pvkFile);
subjectKey = key.RSA;
}
else {
PrivateKey key = new PrivateKey ();
key.RSA = subjectKey;
key.Save (pvkFile);
}
break;
case "-sy":
subjectParams.ProviderType = Convert.ToInt32 (args [i++]);
break;
// Mono Specific Options
case "-p12":
p12file = args [i++];
p12pwd = args [i++];
break;
// Other options
case "-?":
Help ();
return 0;
case "-!":
ExtendedHelp ();
return 0;
default:
if (i != args.Length) {
Console.WriteLine ("ERROR: Unknown parameter");
Help ();
return -1;
}
break;
}
}
// serial number MUST be positive
if ((sn [0] & 0x80) == 0x80)
sn [0] -= 0x80;
if (selfSigned) {
if (subject != defaultSubject) {
issuer = subject;
issuerKey = subjectKey;
}
else {
subject = issuer;
subjectKey = issuerKey;
}
}
if (subject == null)
throw new Exception ("Missing Subject Name");
X509CertificateBuilder cb = new X509CertificateBuilder (3);
cb.SerialNumber = sn;
cb.IssuerName = issuer;
cb.NotBefore = notBefore;
cb.NotAfter = notAfter;
cb.SubjectName = subject;
cb.SubjectPublicKey = subjectKey;
// extensions
if (bce != null)
cb.Extensions.Add (bce);
if (eku != null)
cb.Extensions.Add (eku);
if (alt != null)
cb.Extensions.Add (alt);
// signature
cb.Hash = hashName;
byte[] rawcert = cb.Sign (issuerKey);
if (p12file == null) {
WriteCertificate (fileName, rawcert);
} else {
PKCS12 p12 = new PKCS12 ();
p12.Password = p12pwd;
ArrayList list = new ArrayList ();
// we use a fixed array to avoid endianess issues
// (in case some tools requires the ID to be 1).
list.Add (new byte [4] { 1, 0, 0, 0 });
Hashtable attributes = new Hashtable (1);
attributes.Add (PKCS9.localKeyId, list);
p12.AddCertificate (new X509Certificate (rawcert), attributes);
if (issuerCertificate != null)
p12.AddCertificate (issuerCertificate);
p12.AddPkcs8ShroudedKeyBag (subjectKey, attributes);
p12.SaveToFile (p12file);
}
Console.WriteLine ("Success");
return 0;
}
catch (Exception e) {
Console.WriteLine ("ERROR: " + e.ToString ());
Help ();
}
return 1;
}
}
}