// https://stackoverflow.com/questions/13806299/how-to-create-a-self-signed-certificate-using-c static void MakeCert() { using (System.Security.Cryptography.ECDsa ecdsa = System.Security.Cryptography.ECDsa.Create()) // generate asymmetric key pair { System.Security.Cryptography.X509Certificates.CertificateRequest req = new System.Security.Cryptography.X509Certificates.CertificateRequest("cn=foobar", ecdsa , System.Security.Cryptography.HashAlgorithmName.SHA512 ); using (System.Security.Cryptography.X509Certificates.X509Certificate2 cert = req.CreateSelfSigned(System.DateTimeOffset.Now, System.DateTimeOffset.Now.AddYears(5) )) { // Create PFX (PKCS #12) with private key System.IO.File.WriteAllBytes("d:\\mycert.pfx", cert.Export(System.Security.Cryptography.X509Certificates.X509ContentType.Pfx)); // Create Base 64 encoded CER (public key only) System.IO.File.WriteAllText("d:\\mycert.cer", "-----BEGIN CERTIFICATE-----\r\n" + System.Convert.ToBase64String( cert.Export(System.Security.Cryptography.X509Certificates.X509ContentType.Cert) , System.Base64FormattingOptions.InsertLineBreaks ) + "\r\n-----END CERTIFICATE-----"); } // End Using cert } // End Using ecdsa } // End Sub MakeCert
/// <summary> /// Save a cert for use with encryption /// </summary> public Task SaveCertificate(string certname, string password, System.Security.Cryptography.X509Certificates.X509Certificate2 certificate) { var path = Path.Combine(Directory.GetCurrentDirectory(), certname); File.WriteAllBytes(path, certificate.Export(System.Security.Cryptography.X509Certificates.X509ContentType.Pfx, password)); return(Task.CompletedTask); }
public static void ExportPfx(X509Certificate2 certificate, string outputPfxFile, string password) { // This password is the one attached to the PFX file. Use 'null' for no password. var bytes = certificate.Export(X509ContentType.Pfx, password); File.WriteAllBytes(outputPfxFile, bytes); }
private static void WriteCertificate(X509Certificate2 certificate, string outputFileName) { // This password is the one attached to the PFX file. Use 'null' for no password. const string password = "******"; var bytes = certificate.Export(X509ContentType.Pfx, password); File.WriteAllBytes(outputFileName, bytes); }
} // End Sub Create private static void WithMsPfx(byte[] pfxBytes, string fileName, string password) { System.Security.Cryptography.X509Certificates.X509Certificate2 convertedCertificate = new System.Security.Cryptography.X509Certificates.X509Certificate2(pfxBytes, "", // PW System.Security.Cryptography.X509Certificates.X509KeyStorageFlags.PersistKeySet | System.Security.Cryptography.X509Certificates.X509KeyStorageFlags.Exportable); byte[] bytes = convertedCertificate.Export(System.Security.Cryptography.X509Certificates.X509ContentType.Pfx, password); System.IO.File.WriteAllBytes(fileName, bytes); } // End Sub WithMsPfx
public static PkiCertificate From(BclCertificate bclCert) { var derEncoding = System.Security.Cryptography.X509Certificates.X509ContentType.Cert; var der = bclCert.Export(derEncoding); return(new PkiCertificate { NativeCertificate = new X509CertificateParser().ReadCertificate(der), }); }
public override void ExportArchive(PrivateKey pk, IEnumerable <Crt> certs, ArchiveFormat fmt, Stream target, string password) { var rsaPk = pk as RsaPrivateKey; if (rsaPk == null) { throw new NotSupportedException("unsupported private key type"); } if (fmt == ArchiveFormat.PKCS12) { var bcCerts = certs.Select(x => new X509CertificateEntry(FromCertPem(x.Pem))).ToArray(); var bcPk = FromPrivatePem(rsaPk.Pem); var pfx = new Pkcs12Store(); //pfx.SetCertificateEntry(bcCerts[0].Certificate.ToString(), bcCerts[0]); //pfx.SetKeyEntry(bcCerts[0].Certificate.ToString(), pfx.SetCertificateEntry(string.Empty, bcCerts[0]); pfx.SetKeyEntry(string.Empty, new AsymmetricKeyEntry(bcPk.Private), new[] { bcCerts[0] }); for (int i = 1; i < bcCerts.Length; ++i) { //pfx.SetCertificateEntry(bcCerts[i].Certificate.SubjectDN.ToString(), pfx.SetCertificateEntry(i.ToString(), bcCerts[i]); } // It used to be pretty straight forward to export this... //pfx.Save(target, password?.ToCharArray(), new SecureRandom()); // ...unfortunately, BC won't let us export the Pkcs12 archive // without assigning a FriendlyName, so we have to export and // then re-import it, clear the FriendlyName, then return that // YUCK! using (var tmp = new MemoryStream()) { pfx.Save(tmp, null, new SecureRandom()); var c = new System.Security.Cryptography.X509Certificates.X509Certificate2(); c.Import(tmp.ToArray(), string.Empty, System.Security.Cryptography.X509Certificates.X509KeyStorageFlags.PersistKeySet | System.Security.Cryptography.X509Certificates.X509KeyStorageFlags.Exportable); // Clear the FriendlyName c.FriendlyName = null; var bytes = c.Export(System.Security.Cryptography.X509Certificates.X509ContentType.Pkcs12, password); target.Write(bytes, 0, bytes.Length); } } else { throw new NotSupportedException("unsupported archive format"); } }
// DumpPfx(ee25519Cert, subject, caKey25519); public static void DumpPfx( Org.BouncyCastle.X509.X509Certificate bouncyCert , Org.BouncyCastle.Asn1.X509.X509Name subject , Org.BouncyCastle.Crypto.AsymmetricCipherKeyPair pair) { Org.BouncyCastle.Pkcs.Pkcs12Store store = new Org.BouncyCastle.Pkcs.Pkcs12Store(); Org.BouncyCastle.Pkcs.X509CertificateEntry certificateEntry = new Org.BouncyCastle.Pkcs.X509CertificateEntry(bouncyCert); store.SetCertificateEntry(subject.ToString(), certificateEntry); store.SetKeyEntry(subject.ToString(), new Org.BouncyCastle.Pkcs.AsymmetricKeyEntry(pair.Private) , new[] { certificateEntry } ); Org.BouncyCastle.Security.SecureRandom random = new Org.BouncyCastle.Security.SecureRandom( new Org.BouncyCastle.Crypto.Prng.CryptoApiRandomGenerator() ); using (System.IO.MemoryStream stream = new System.IO.MemoryStream()) { string tempPassword = "******"; store.Save(stream, tempPassword.ToCharArray(), random); using (System.Security.Cryptography.X509Certificates.X509Certificate2 cert = new System.Security.Cryptography.X509Certificates.X509Certificate2( stream.ToArray() , tempPassword , System.Security.Cryptography.X509Certificates.X509KeyStorageFlags.PersistKeySet | System.Security.Cryptography.X509Certificates.X509KeyStorageFlags.Exportable) ) { System.Text.StringBuilder builder = new System.Text.StringBuilder(); builder.AppendLine("-----BEGIN CERTIFICATE-----"); builder.AppendLine(System.Convert.ToBase64String( cert.Export(System.Security.Cryptography.X509Certificates.X509ContentType.Cert) , System.Base64FormattingOptions.InsertLineBreaks) ); builder.AppendLine("-----END CERTIFICATE-----"); // PFX //builder.ToString().Dump("Self-signed Certificate"); } // End Using cert } // End Using stream } // End Sub DumpPfx
static void Main(string[] args) { var tempPath = System.IO.Path.GetTempPath(); var certOut = tempPath + "cert.crt"; var certPass = "******"; var base64Cert = "base64 encoded string"; var cert = new System.Security.Cryptography.X509Certificates.X509Certificate2(Convert.FromBase64String(base64Cert), certPass, System.Security.Cryptography.X509Certificates.X509KeyStorageFlags.PersistKeySet); if (cert != null) { var b = new System.IO.BinaryWriter(System.IO.File.Open(certOut, System.IO.FileMode.Create)); var binCert = cert.Export(System.Security.Cryptography.X509Certificates.X509ContentType.Cert, certPass); b.Write(binCert); } }
public static void GetPublicKey(string pfxLocation, string password) { // I'm trying to mimic OpenSSL's capability to extract the Private Key from a PFX Bundle into it's own file. // I can get the Public Key OK with the following code: // Load your certificate from file System.Security.Cryptography.X509Certificates.X509Certificate2 certificate = new System.Security.Cryptography.X509Certificates.X509Certificate2(pfxLocation, password , System.Security.Cryptography.X509Certificates.X509KeyStorageFlags.Exportable | System.Security.Cryptography.X509Certificates.X509KeyStorageFlags.PersistKeySet); // Public Key; System.Text.StringBuilder publicBuilder = new System.Text.StringBuilder(); publicBuilder.AppendLine("-----BEGIN CERTIFICATE-----"); publicBuilder.AppendLine(System.Convert.ToBase64String(certificate.Export(System.Security.Cryptography.X509Certificates.X509ContentType.Cert) , System.Base64FormattingOptions.InsertLineBreaks)); publicBuilder.AppendLine("-----END CERTIFICATE-----"); string foo = publicBuilder.ToString(); }
} // End Function ReadPrivateKey public static void TestSignature() { System.Console.WriteLine("Attempting to load cert..."); System.Security.Cryptography.X509Certificates.X509Certificate2 thisCert = null; // LoadCertificate(); System.Console.WriteLine(thisCert.IssuerName.Name); System.Console.WriteLine("Signing the text - Mary had a nuclear bomb"); byte[] pkcs12Bytes = thisCert.Export(System.Security.Cryptography.X509Certificates.X509ContentType.Pkcs12, "dummy"); Org.BouncyCastle.Pkcs.Pkcs12Store pkcs12 = new Org.BouncyCastle.Pkcs.Pkcs12StoreBuilder().Build(); pkcs12.Load(new System.IO.MemoryStream(pkcs12Bytes, false), "dummy".ToCharArray()); Org.BouncyCastle.Crypto.Parameters.ECPrivateKeyParameters privKey = null; foreach (string alias in pkcs12.Aliases) { if (pkcs12.IsKeyEntry(alias)) { privKey = (Org.BouncyCastle.Crypto.Parameters.ECPrivateKeyParameters)pkcs12.GetKey(alias).Key; break; } // End if (pkcs12.IsKeyEntry(alias)) } // Next alias string signature = SignData("Mary had a nuclear bomb", privKey); System.Console.WriteLine("Signature: " + signature); System.Console.WriteLine("Verifying Signature"); Org.BouncyCastle.X509.X509Certificate bcCert = Org.BouncyCastle.Security.DotNetUtilities.FromX509Certificate(thisCert); if (VerifySignature((Org.BouncyCastle.Crypto.Parameters.ECPublicKeyParameters)bcCert.GetPublicKey(), signature, "Mary had a nuclear bomb.")) { System.Console.WriteLine("Valid Signature!"); } else { System.Console.WriteLine("Signature NOT valid!"); } } // End Sub TestSignature
private static void WriteCertificate(X509Certificate2 certificate, string outputFileName) { // This password is the one attached to the PFX file. Use 'null' for no password. const string password = "******"; var bytes = certificate.Export(X509ContentType.Pfx, password); File.WriteAllBytes(outputFileName, bytes); }
public static byte[] GenerateRootCertificate(string subjectName, string password, out string pemValue) { // Generating Random Numbers var randomGenerator = new CryptoApiRandomGenerator(); var random = new SecureRandom(randomGenerator); var kpgen = new RsaKeyPairGenerator(); kpgen.Init(new KeyGenerationParameters(random, 2048)); //new SecureRandom(new CryptoApiRandomGenerator()), 2048)); var subjectKeyPair = kpgen.GenerateKeyPair(); var gen = new X509V3CertificateGenerator(); var certName = new X509Name("CN=" + subjectName); BigInteger serialNo = BigInteger.ValueOf(4); //BigInteger.ProbablePrime(120, random); gen.SetSerialNumber(serialNo); gen.SetSubjectDN(certName); gen.SetIssuerDN(certName); gen.SetNotAfter(DateTime.Now.AddYears(100)); gen.SetNotBefore(DateTime.Now.Subtract(new TimeSpan(7, 0, 0, 0))); gen.SetSignatureAlgorithm("SHA256WithRSA"); //("MD5WithRSA"); gen.SetPublicKey(subjectKeyPair.Public); //gen.AddExtension( // X509Extensions.SubjectKeyIdentifier, // false, // new SubjectKeyIdentifierStructure(kp.Public) // ); //gen.AddExtension( // X509Extensions.AuthorityKeyIdentifier.Id, // false, // new AuthorityKeyIdentifier( // SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo(subjectKeyPair.Public), // new GeneralNames(new GeneralName(certName)), // serialNo)); var certificate = gen.Generate(subjectKeyPair.Private, random); var privateKeyPem = new StringBuilder(); var privateKeyPemWriter = new PemWriter(new StringWriter(privateKeyPem)); privateKeyPemWriter.WriteObject(certificate); privateKeyPemWriter.WriteObject(subjectKeyPair.Private); privateKeyPemWriter.Writer.Flush(); pemValue = privateKeyPem.ToString(); System.IO.File.WriteAllText(@"C:\_rootCa.pem", pemValue); //var certBytes = DotNetUtilities.ToX509Certificate(certificate).Export(System.Security.Cryptography.X509Certificates.X509ContentType.Pkcs12, password); //var x509 = new System.Security.Cryptography.X509Certificates.X509Certificate2(certificate.GetEncoded()); //RSA rsaPriv = DotNetUtilities.ToRSA(subjectKeyPair.Private as RsaPrivateCrtKeyParameters); // PrivateKeyInfo info = PrivateKeyInfoFactory.CreatePrivateKeyInfo(subjectKeyPair.Private); var x509 = new System.Security.Cryptography.X509Certificates.X509Certificate2(certificate.GetEncoded()); var seq = (Asn1Sequence)Asn1Object.FromByteArray(info.PrivateKey.GetDerEncoded()); if (seq.Count != 9) { throw new PemException("malformed sequence in RSA private key"); } var rsa = new RsaPrivateKeyStructure(seq); RsaPrivateCrtKeyParameters rsaparams = new RsaPrivateCrtKeyParameters( rsa.Modulus, rsa.PublicExponent, rsa.PrivateExponent, rsa.Prime1, rsa.Prime2, rsa.Exponent1, rsa.Exponent2, rsa.Coefficient); //------------- //RsaPrivateCrtKeyParameters rsaparams = (RsaPrivateCrtKeyParameters)subjectKeyPair.Private; RSAParameters rsaParameters = DotNetUtilities.ToRSAParameters(rsaparams); CspParameters cspParameters = new CspParameters(); cspParameters.KeyContainerName = Guid.NewGuid().ToString(); // "MyKeyContainer"; RSACryptoServiceProvider rsaKey = new RSACryptoServiceProvider(2048, cspParameters); rsaKey.ImportParameters(rsaParameters); // ------------ x509.PrivateKey = rsaKey; // DotNetUtilities.ToRSA(rsaparams); // var x509Bytes = x509.Export(System.Security.Cryptography.X509Certificates.X509ContentType.Cert, password); System.IO.File.WriteAllBytes(@"C:\_rootCa.cer", x509Bytes); var x509Bytes2 = x509.Export(System.Security.Cryptography.X509Certificates.X509ContentType.Pfx, password); System.IO.File.WriteAllBytes(@"C:\_rootCa.pfx", x509Bytes2); return x509Bytes; }
/// <summary> /// /// </summary> /// <remarks>Based on <see cref="http://www.fkollmann.de/v2/post/Creating-certificates-using-BouncyCastle.aspx"/></remarks> /// <param name="subjectName"></param> /// <returns></returns> public static byte[] GenerateCertificate(string subjectName, byte[] issuingCertificate, string issuingCertificatePassword, out string password) { AsymmetricKeyParameter caPrivateKey; var caCert = ReadCertificateFromBytes(issuingCertificate, issuingCertificatePassword, out caPrivateKey); var caAuth = new AuthorityKeyIdentifierStructure(caCert); var authKeyId = new AuthorityKeyIdentifier(caAuth.GetKeyIdentifier()); // --------------------------- // Generating Random Numbers var randomGenerator = new CryptoApiRandomGenerator(); var random = new SecureRandom(randomGenerator); var chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-()#$%^&@+=!"; var rnd = new Random(); var result = new string( Enumerable.Repeat(chars, 15) .Select(s => s[rnd.Next(s.Length)]) .ToArray()); password = result; var gen = new X509V3CertificateGenerator(); var certName = new X509Name("CN=" + subjectName); var serialNo = BigInteger.ProbablePrime(120, random); gen.SetSerialNumber(serialNo); gen.SetSubjectDN(certName); gen.SetIssuerDN(caCert.IssuerDN); // gen.SetIssuerUniqueID(caCert.IssuerUniqueID.GetBytes()) gen.SetNotAfter(DateTime.Now.AddYears(100)); gen.SetNotBefore(DateTime.Now.Subtract(new TimeSpan(7, 0, 0, 0))); gen.SetSignatureAlgorithm("SHA256WithRSA"); //("MD5WithRSA"); var kpgen = new RsaKeyPairGenerator(); kpgen.Init(new KeyGenerationParameters(random, 2048)); // new SecureRandom(new CryptoApiRandomGenerator()), 2048)); var subjectKeyPair = kpgen.GenerateKeyPair(); gen.SetPublicKey(subjectKeyPair.Public); //gen.AddExtension( // X509Extensions.AuthorityKeyIdentifier, // false, // authKeyId); //gen.AddExtension( // X509Extensions.SubjectKeyIdentifier, // false, // new SubjectKeyIdentifierStructure(kp.Public) // ); //gen.AddExtension( // X509Extensions.AuthorityKeyIdentifier.Id, // false, // new AuthorityKeyIdentifier( // SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo(kp.Public), // new GeneralNames(new GeneralName(certName)), // serialNo)); gen.AddExtension( X509Extensions.ExtendedKeyUsage.Id, false, new ExtendedKeyUsage(new KeyPurposeID[] { KeyPurposeID.IdKPClientAuth, KeyPurposeID.IdKPServerAuth, KeyPurposeID.IdKPCodeSigning })); //1.3.6.1.5.5.7.3.1 = server authentication //1.3.6.1.5.5.7.3.2 = client authentication //1.3.6.1.5.5.7.3.3 = code signing var certificate = gen.Generate(caPrivateKey); PrivateKeyInfo info = PrivateKeyInfoFactory.CreatePrivateKeyInfo(subjectKeyPair.Private); // merge into X509Certificate2 var x509 = new System.Security.Cryptography.X509Certificates.X509Certificate2(certificate.GetEncoded()); var seq = (Asn1Sequence)Asn1Object.FromByteArray(info.PrivateKey.GetDerEncoded()); if (seq.Count != 9) { throw new PemException("malformed sequence in RSA private key"); } var rsa = new RsaPrivateKeyStructure(seq); RsaPrivateCrtKeyParameters rsaparams = new RsaPrivateCrtKeyParameters( rsa.Modulus, rsa.PublicExponent, rsa.PrivateExponent, rsa.Prime1, rsa.Prime2, rsa.Exponent1, rsa.Exponent2, rsa.Coefficient); //------------- //RsaPrivateCrtKeyParameters rsaparams = (RsaPrivateCrtKeyParameters)subjectKeyPair.Private; RSAParameters rsaParameters = DotNetUtilities.ToRSAParameters(rsaparams); CspParameters cspParameters = new CspParameters(); cspParameters.KeyContainerName = Guid.NewGuid().ToString(); // "MyKeyContainer"; RSACryptoServiceProvider rsaKey = new RSACryptoServiceProvider(2048, cspParameters); rsaKey.ImportParameters(rsaParameters); // ------------ x509.PrivateKey = rsaKey; // DotNetUtilities.ToRSA(rsaparams); //var certBytes = DotNetUtilities.ToX509Certificate(certificate).Export(System.Security.Cryptography.X509Certificates.X509ContentType.Pfx, password); //var x5092 = new System.Security.Cryptography.X509Certificates.X509Certificate2(certBytes, password); //var rsaPriv = DotNetUtilities.ToRSA(subjectKeyPair.Private as RsaPrivateCrtKeyParameters); //x509.PrivateKey = rsaPriv; var x509Bytes = x509.Export(System.Security.Cryptography.X509Certificates.X509ContentType.Cert); System.IO.File.WriteAllBytes(@"C:\mycertx509x.cer", x509Bytes); var x509Bytes2 = x509.Export(System.Security.Cryptography.X509Certificates.X509ContentType.Pkcs12, password); System.IO.File.WriteAllBytes(@"C:\mycertx509x.pfx", x509Bytes2); System.IO.File.WriteAllText(@"C:\mycertx509x_pass.txt", password); //Utility.AddCertToStore(x509, System.Security.Cryptography.X509Certificates.StoreName.My, System.Security.Cryptography.X509Certificates.StoreLocation.LocalMachine); return x509Bytes2; }
public static void GenerateRootCertificate(string subjectName, long serialNumber, DateTime expireOn, bool isCertificateAuthority, out string thumbprint, out string pemPrivateKey, out string pemPublicCert, out byte[] publicCert, out byte[] pkcs12Data, out string password) { // Generating Random Numbers var randomGenerator = new CryptoApiRandomGenerator(); var random = new SecureRandom(randomGenerator); var kpgen = new RsaKeyPairGenerator(); kpgen.Init(new KeyGenerationParameters(random, 2048)); //new SecureRandom(new CryptoApiRandomGenerator()), 2048)); var subjectKeyPair = kpgen.GenerateKeyPair(); var gen = new X509V3CertificateGenerator(); var certName = new X509Name("CN=" + subjectName); BigInteger serialNo; if (serialNumber == 0) { serialNo = BigInteger.ProbablePrime(120, random); } else { serialNo = BigInteger.ValueOf(serialNumber); } gen.SetSerialNumber(serialNo); gen.SetSubjectDN(certName); gen.SetIssuerDN(certName); gen.SetNotAfter(expireOn); gen.SetNotBefore(DateTime.Now.Date); gen.SetSignatureAlgorithm("SHA256WithRSA"); //("MD5WithRSA"); gen.SetPublicKey(subjectKeyPair.Public); gen.AddExtension( X509Extensions.BasicConstraints.Id, true, new BasicConstraints(isCertificateAuthority)); var certificate = gen.Generate(subjectKeyPair.Private, random); PrivateKeyInfo info = PrivateKeyInfoFactory.CreatePrivateKeyInfo(subjectKeyPair.Private); var x509 = new System.Security.Cryptography.X509Certificates.X509Certificate2(certificate.GetEncoded()); var seq = (Asn1Sequence)Asn1Object.FromByteArray(info.PrivateKey.GetDerEncoded()); if (seq.Count != 9) { throw new PemException("Malformed sequence in RSA private key."); } var rsa = new RsaPrivateKeyStructure(seq); RsaPrivateCrtKeyParameters rsaparams = new RsaPrivateCrtKeyParameters( rsa.Modulus, rsa.PublicExponent, rsa.PrivateExponent, rsa.Prime1, rsa.Prime2, rsa.Exponent1, rsa.Exponent2, rsa.Coefficient); RSAParameters rsaParameters = DotNetUtilities.ToRSAParameters(rsaparams); CspParameters cspParameters = new CspParameters(); cspParameters.KeyContainerName = Guid.NewGuid().ToString(); // "MyKeyContainer"; RSACryptoServiceProvider rsaKey = new RSACryptoServiceProvider(2048, cspParameters); rsaKey.ImportParameters(rsaParameters); x509.PrivateKey = rsaKey; // DotNetUtilities.ToRSA(rsaparams); // Generating Random Numbers var chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-()#$%^&@+=!"; var rnd = new Random(); password = new string( Enumerable.Repeat(chars, 15) .Select(s => s[rnd.Next(s.Length)]) .ToArray()); thumbprint = x509.Thumbprint.ToLower(); publicCert = x509.Export(System.Security.Cryptography.X509Certificates.X509ContentType.Cert); var privateKeyPem = new StringBuilder(); var privateKeyPemWriter = new PemWriter(new StringWriter(privateKeyPem)); privateKeyPemWriter.WriteObject(certificate); privateKeyPemWriter.WriteObject(subjectKeyPair.Private); privateKeyPemWriter.Writer.Flush(); pemPrivateKey = privateKeyPem.ToString(); var publicKeyPem = new StringBuilder(); var utf8WithoutBom = new System.Text.UTF8Encoding(false); var publicKeyPemWriter = new PemWriter(new StringWriterWithEncoding(publicKeyPem, utf8WithoutBom)); publicKeyPemWriter.WriteObject(certificate); publicKeyPemWriter.Writer.Flush(); pemPublicCert = publicKeyPem.ToString(); pemPublicCert = pemPublicCert.Replace(Environment.NewLine, "\n"); //only use newline and not returns pkcs12Data = x509.Export(System.Security.Cryptography.X509Certificates.X509ContentType.Pfx, password); }
public CertHackStore(System.Security.Cryptography.X509Certificates.X509Certificate2 cert) { this.m_isNotWindows = !System.Runtime.InteropServices.RuntimeInformation.IsOSPlatform(System.Runtime.InteropServices.OSPlatform.Windows); this.m_certificate = cert; this.m_bkcs12Bytes = cert.Export(System.Security.Cryptography.X509Certificates.X509ContentType.Pkcs12); } // End Constructor
public static void GenerateRootCertificate(string subjectName, long serialNumber, DateTime expireOn, bool isCertificateAuthority, out string thumbprint, out string pemPrivateKey, out string pemPublicCert, out byte[] publicCert, out byte[] pkcs12Data, out string password) { // Generating Random Numbers var randomGenerator = new CryptoApiRandomGenerator(); var random = new SecureRandom(randomGenerator); var kpgen = new RsaKeyPairGenerator(); kpgen.Init(new KeyGenerationParameters(random, 2048)); //new SecureRandom(new CryptoApiRandomGenerator()), 2048)); var subjectKeyPair = kpgen.GenerateKeyPair(); var gen = new X509V3CertificateGenerator(); var certName = new X509Name("CN=" + subjectName); BigInteger serialNo; if (serialNumber == 0) { serialNo = BigInteger.ProbablePrime(120, random); } else { serialNo = BigInteger.ValueOf(serialNumber); } gen.SetSerialNumber(serialNo); gen.SetSubjectDN(certName); gen.SetIssuerDN(certName); gen.SetNotAfter(expireOn); gen.SetNotBefore(DateTime.Now.Date); gen.SetSignatureAlgorithm("SHA256WithRSA"); //("MD5WithRSA"); gen.SetPublicKey(subjectKeyPair.Public); gen.AddExtension( X509Extensions.BasicConstraints.Id, true, new BasicConstraints(isCertificateAuthority)); //// NOT WORKING... NOT PASSING CERTIFICATE ISSUING ALLOWED //if (isCertificateAuthority) //{ // gen.AddExtension( // X509Extensions.BasicConstraints., // true, // new BasicConstraints(isCertificateAuthority)); //} var certificate = gen.Generate(subjectKeyPair.Private, random); PrivateKeyInfo info = PrivateKeyInfoFactory.CreatePrivateKeyInfo(subjectKeyPair.Private); var x509 = new System.Security.Cryptography.X509Certificates.X509Certificate2(certificate.GetEncoded()); var seq = (Asn1Sequence)Asn1Object.FromByteArray(info.PrivateKey.GetDerEncoded()); if (seq.Count != 9) { throw new PemException("Malformed sequence in RSA private key."); } var rsa = new RsaPrivateKeyStructure(seq); RsaPrivateCrtKeyParameters rsaparams = new RsaPrivateCrtKeyParameters( rsa.Modulus, rsa.PublicExponent, rsa.PrivateExponent, rsa.Prime1, rsa.Prime2, rsa.Exponent1, rsa.Exponent2, rsa.Coefficient); RSAParameters rsaParameters = DotNetUtilities.ToRSAParameters(rsaparams); CspParameters cspParameters = new CspParameters(); cspParameters.KeyContainerName = Guid.NewGuid().ToString(); // "MyKeyContainer"; RSACryptoServiceProvider rsaKey = new RSACryptoServiceProvider(2048, cspParameters); rsaKey.ImportParameters(rsaParameters); x509.PrivateKey = rsaKey; // DotNetUtilities.ToRSA(rsaparams); // Generating Random Numbers var chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-()#$%^&@+=!"; var rnd = new Random(); password = new string( Enumerable.Repeat(chars, 32) .Select(s => s[rnd.Next(s.Length)]) .ToArray()); thumbprint = x509.Thumbprint.ToLower(); publicCert = x509.Export(System.Security.Cryptography.X509Certificates.X509ContentType.Cert); var privateKeyPem = new StringBuilder(); var privateKeyPemWriter = new PemWriter(new StringWriter(privateKeyPem)); privateKeyPemWriter.WriteObject(certificate); privateKeyPemWriter.WriteObject(subjectKeyPair.Private); privateKeyPemWriter.Writer.Flush(); pemPrivateKey = privateKeyPem.ToString(); var publicKeyPem = new StringBuilder(); var utf8WithoutBom = new System.Text.UTF8Encoding(false); var publicKeyPemWriter = new PemWriter(new StringWriterWithEncoding(publicKeyPem, utf8WithoutBom)); publicKeyPemWriter.WriteObject(certificate); publicKeyPemWriter.Writer.Flush(); pemPublicCert = publicKeyPem.ToString(); pemPublicCert = pemPublicCert.Replace(Environment.NewLine, "\n"); //only use newline and not returns pkcs12Data = x509.Export(System.Security.Cryptography.X509Certificates.X509ContentType.Pfx, password); }
/// <summary> /// /// </summary> /// <remarks>Based on <see cref="http://www.fkollmann.de/v2/post/Creating-certificates-using-BouncyCastle.aspx"/></remarks> /// <param name="subjectName"></param> /// <returns></returns> public static void z_dep_GenerateCertificate(string subjectName, long serialNumber, DateTime expireOn, System.Security.Cryptography.X509Certificates.X509Certificate2 issuingCertificate, out string thumbprint, out string pemPrivateKey, out string pemPublicCert, out byte[] publicCert, out byte[] pkcs12Data, out string password) { AsymmetricKeyParameter caPrivateKey; var caCert = ReadCertificateFromX509Certificate2(issuingCertificate, out caPrivateKey); //var caAuth = new AuthorityKeyIdentifierStructure(caCert); //var authKeyId = new AuthorityKeyIdentifier(caAuth.GetKeyIdentifier()); // --------------------------- // Generating Random Numbers var randomGenerator = new CryptoApiRandomGenerator(); var random = new SecureRandom(randomGenerator); var gen = new X509V3CertificateGenerator(); // var certName = new X509Name("CN=" + subjectName); var list = new Dictionary<string, string>(); AddItems(list, "CN", subjectName); AddItems(list, "O", "CompliaShield"); AddItems(list, "OU", "CompliaShield"); //var simpleCertName = GetItemString(list); //var certNameLight = new X509Name(simpleCertName); list.Add("L", "Boulder"); list.Add("ST", "Colorado"); list.Add("C", "US"); var subjectFull = GetItemString(list); var certName = new X509Name(subjectFull); BigInteger serialNo; if (serialNumber == 0) { serialNo = BigInteger.ProbablePrime(120, random); } else { serialNo = BigInteger.ValueOf(serialNumber); } gen.SetSerialNumber(serialNo); gen.SetSubjectDN(certName); gen.SetIssuerDN(caCert.IssuerDN); var issuerPublicKeyInfo = SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo(caCert.GetPublicKey()); var issuerGeneralNames = new GeneralNames(new GeneralName(caCert.IssuerDN)); var issuerSerialNumber = caCert.SerialNumber; var authorityKeyIdentifier = new AuthorityKeyIdentifier(issuerPublicKeyInfo, issuerGeneralNames, issuerSerialNumber); gen.AddExtension(X509Extensions.AuthorityKeyIdentifier.Id, true, authorityKeyIdentifier); // gen.SetIssuerUniqueID(caCert.IssuerUniqueID.GetBytes()) gen.SetNotAfter(expireOn); gen.SetNotBefore(DateTime.Now.AddHours(-2)); gen.SetSignatureAlgorithm("SHA256WithRSA"); //("MD5WithRSA"); var kpgen = new RsaKeyPairGenerator(); kpgen.Init(new KeyGenerationParameters(random, 2048)); // new SecureRandom(new CryptoApiRandomGenerator()), 2048)); var subjectKeyPair = kpgen.GenerateKeyPair(); gen.SetPublicKey(subjectKeyPair.Public); gen.AddExtension( X509Extensions.ExtendedKeyUsage.Id, false, new ExtendedKeyUsage(new KeyPurposeID[] { KeyPurposeID.IdKPClientAuth, KeyPurposeID.IdKPServerAuth, KeyPurposeID.IdKPCodeSigning })); //1.3.6.1.5.5.7.3.1 = server authentication //1.3.6.1.5.5.7.3.2 = client authentication //1.3.6.1.5.5.7.3.3 = code signing var certificate = gen.Generate(caPrivateKey); PrivateKeyInfo info = PrivateKeyInfoFactory.CreatePrivateKeyInfo(subjectKeyPair.Private); // merge into X509Certificate2 var x509 = new System.Security.Cryptography.X509Certificates.X509Certificate2(certificate.GetEncoded()); var seq = (Asn1Sequence)Asn1Object.FromByteArray(info.PrivateKey.GetDerEncoded()); if (seq.Count != 9) { throw new PemException("Malformed sequence in RSA private key."); } var rsa = new RsaPrivateKeyStructure(seq); RsaPrivateCrtKeyParameters rsaparams = new RsaPrivateCrtKeyParameters( rsa.Modulus, rsa.PublicExponent, rsa.PrivateExponent, rsa.Prime1, rsa.Prime2, rsa.Exponent1, rsa.Exponent2, rsa.Coefficient); //------------- //RsaPrivateCrtKeyParameters rsaparams = (RsaPrivateCrtKeyParameters)subjectKeyPair.Private; RSAParameters rsaParameters = DotNetUtilities.ToRSAParameters(rsaparams); CspParameters cspParameters = new CspParameters(); cspParameters.KeyContainerName = Guid.NewGuid().ToString(); // "MyKeyContainer"; RSACryptoServiceProvider rsaKey = new RSACryptoServiceProvider(2048, cspParameters); rsaKey.ImportParameters(rsaParameters); // ------------ x509.PrivateKey = rsaKey; // DotNetUtilities.ToRSA(rsaparams); // Generating Random Numbers var chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-()#$%^&@+=!{}[]*.,"; var rnd = new Random(); password = new string( Enumerable.Repeat(chars, 32) .Select(s => s[rnd.Next(s.Length)]) .ToArray()); thumbprint = x509.Thumbprint.ToLower(); publicCert = x509.Export(System.Security.Cryptography.X509Certificates.X509ContentType.Cert); var privateKeyPem = new StringBuilder(); var privateKeyPemWriter = new PemWriter(new StringWriter(privateKeyPem)); privateKeyPemWriter.WriteObject(certificate); privateKeyPemWriter.WriteObject(subjectKeyPair.Private); privateKeyPemWriter.Writer.Flush(); pemPrivateKey = privateKeyPem.ToString(); var publicKeyPem = new StringBuilder(); var utf8WithoutBom = new System.Text.UTF8Encoding(false); var publicKeyPemWriter = new PemWriter(new StringWriterWithEncoding(publicKeyPem, utf8WithoutBom)); publicKeyPemWriter.WriteObject(certificate); publicKeyPemWriter.Writer.Flush(); pemPublicCert = publicKeyPem.ToString(); pemPublicCert = pemPublicCert.Replace(Environment.NewLine, "\n"); //only use newline and not returns pkcs12Data = x509.Export(System.Security.Cryptography.X509Certificates.X509ContentType.Pfx, password); }
public static X509Certificate2 IssueCertificate( string basename, string password, DistinguishedName dn, CertificateType certtype, DateTime notBefore, DateTime notAfter) { var certificateGenerator = new X509V3CertificateGenerator(); var privateOutputPath = ""; var publicOutputPath = ""; /* Prepare output directories */ if (certtype == CertificateType.AuthorityCertificate) { privateOutputPath = AuthorityPrivateCertificatesPath; publicOutputPath = AuthorityPublicCertificatesPath; } else if (certtype == CertificateType.ServerCertificate) { privateOutputPath = ServerPrivateCertificatesPath; publicOutputPath = ServerPublicCertificatesPath; } else { privateOutputPath = UserPrivateCertificatesPath; publicOutputPath = UserPublicCertificatesPath; } /* Certificate Asymmetric Keys */ CryptoApiRandomGenerator randomGenerator = new CryptoApiRandomGenerator(); SecureRandom random = new SecureRandom(randomGenerator); KeyGenerationParameters keyGenerationParameters = new KeyGenerationParameters(random, 2048); RsaKeyPairGenerator keyPairGenerator = new RsaKeyPairGenerator(); keyPairGenerator.Init(keyGenerationParameters); AsymmetricCipherKeyPair subjectKeyPair = keyPairGenerator.GenerateKeyPair(); certificateGenerator.SetPublicKey(subjectKeyPair.Public); /* Certificate Serial Number */ BigInteger serialNumber = BigIntegers.CreateRandomInRange( BigInteger.One, BigInteger.ValueOf(Int64.MaxValue), random); certificateGenerator.SetSerialNumber(serialNumber); /* Certificate Date Constrains */ certificateGenerator.SetNotBefore(notBefore); certificateGenerator.SetNotAfter(notAfter); /* Certificate Issuer and Subject DN */ string issuerName = IssuerDN.ToString(); if (certtype == CertificateType.AuthorityCertificate) { /* A Certification Authority is a self signed certificate */ issuerName = dn.ToString(); } certificateGenerator.SetSubjectDN(new X509Name(dn.ToString())); certificateGenerator.SetIssuerDN(new X509Name(issuerName)); /* Certificate Alternative Names */ if (dn.AlternativeNames != null && dn.AlternativeNames.Any()) { var subjectAlternativeNamesExtension = new DerSequence( dn.AlternativeNames.Select(name => new GeneralName(GeneralName.DnsName, name)) .ToArray <Asn1Encodable> ()); certificateGenerator.AddExtension( X509Extensions.SubjectAlternativeName.Id, false, subjectAlternativeNamesExtension); } /* Certificate Keys Usage */ var keyUsageFlags = KeyUsage.KeyCertSign | KeyUsage.KeyEncipherment | KeyUsage.DataEncipherment | KeyUsage.DigitalSignature; if (certtype == CertificateType.AuthorityCertificate || certtype == CertificateType.ServerCertificate) { keyUsageFlags |= KeyUsage.CrlSign | KeyUsage.NonRepudiation; } certificateGenerator.AddExtension( X509Extensions.KeyUsage.Id, false, new KeyUsage(keyUsageFlags)); /* Certificate Extended Key Usages */ if (certtype != CertificateType.AuthorityCertificate) { KeyPurposeID[] extendedUsages = null; if (certtype == CertificateType.ServerCertificate) { extendedUsages = new KeyPurposeID[] { KeyPurposeID.IdKPServerAuth, }; } else { extendedUsages = new KeyPurposeID[] { KeyPurposeID.IdKPClientAuth, KeyPurposeID.IdKPEmailProtection, }; } certificateGenerator.AddExtension( X509Extensions.ExtendedKeyUsage.Id, false, new ExtendedKeyUsage(extendedUsages)); } /* Certificate Authority Key Identifier */ /* A Certification Authority is a self signed certificate */ AsymmetricCipherKeyPair issuerKeyPair = subjectKeyPair;; if (certtype != CertificateType.AuthorityCertificate) { issuerKeyPair = DotNetUtilities.GetKeyPair(IssuerCertificate.PrivateKey); } var issuerPKIFactory = SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo(issuerKeyPair.Public); var generalNames = new GeneralNames( new GeneralName(new X509Name(issuerName))); /* A Certification Authority is a self signed certificate */ BigInteger issuerSerialNumber = serialNumber; if (certtype != CertificateType.AuthorityCertificate) { issuerSerialNumber = new BigInteger(IssuerCertificate.GetSerialNumber()); } var authorityKIExtension = new AuthorityKeyIdentifier( issuerPKIFactory, generalNames, issuerSerialNumber); certificateGenerator.AddExtension( X509Extensions.AuthorityKeyIdentifier.Id, false, authorityKIExtension); /* Certificate Subject Key Identifier */ var subjectPKIFactory = SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo(subjectKeyPair.Public); var subjectKIExtension = new SubjectKeyIdentifier(subjectPKIFactory); certificateGenerator.AddExtension( X509Extensions.SubjectKeyIdentifier.Id, false, subjectKIExtension); /* Certificate Basic constrains */ bool isCertificateAuthority = false; if (certtype == CertificateType.AuthorityCertificate) { isCertificateAuthority = true; } var basicConstrains = new BasicConstraints(isCertificateAuthority); certificateGenerator.AddExtension( X509Extensions.BasicConstraints.Id, true, basicConstrains); /* Generate BouncyCastle Certificate */ ISignatureFactory signatureFactory = new Asn1SignatureFactory( "SHA512WITHRSA", issuerKeyPair.Private, random ); /* Generate P12 Certificate Store and write to disk*/ var store = new Pkcs12Store(); var certificate = certificateGenerator.Generate(signatureFactory); var certificateEntry = new X509CertificateEntry(certificate); var stream = new MemoryStream(); store.SetCertificateEntry(dn.ToString(), certificateEntry); store.SetKeyEntry(dn.ToString(), new AsymmetricKeyEntry(subjectKeyPair.Private), new [] { certificateEntry }); store.Save(stream, password.ToCharArray(), random); File.WriteAllBytes(privateOutputPath + basename + ".p12", stream.ToArray()); /* Convert to Microsoft X509Certificate2 and write to disk pfx and der files */ var convertedCertificate = new X509Certificate2(stream.ToArray(), password, X509KeyStorageFlags.PersistKeySet | X509KeyStorageFlags.Exportable); File.WriteAllBytes(privateOutputPath + basename + ".pfx", convertedCertificate.Export(X509ContentType.Pfx, password)); File.WriteAllBytes(publicOutputPath + basename + ".crt", convertedCertificate.Export(X509ContentType.Cert, password)); return(convertedCertificate); }
/// <summary> /// /// </summary> /// <remarks>Based on <see cref="http://www.fkollmann.de/v2/post/Creating-certificates-using-BouncyCastle.aspx"/></remarks> /// <param name="subjectName"></param> /// <returns></returns> public static void GenerateCertificate(string subjectName, long serialNumber, DateTime expireOn, System.Security.Cryptography.X509Certificates.X509Certificate2 issuingCertificate, out string thumbprint, out string pemPrivateKey, out string pemPublicCert, out byte[] publicCert, out byte[] pkcs12Data, out string password) { AsymmetricKeyParameter caPrivateKey; var caCert = ReadCertificateFromX509Certificate2(issuingCertificate, out caPrivateKey); var caAuth = new AuthorityKeyIdentifierStructure(caCert); var authKeyId = new AuthorityKeyIdentifier(caAuth.GetKeyIdentifier()); // --------------------------- // Generating Random Numbers var randomGenerator = new CryptoApiRandomGenerator(); var random = new SecureRandom(randomGenerator); var gen = new X509V3CertificateGenerator(); // var certName = new X509Name("CN=" + subjectName); var list = new Dictionary <string, string>(); AddItems(list, "CN", subjectName); AddItems(list, "O", "JFM Concepts, LLC"); AddItems(list, "OU", "VDP Web"); //var simpleCertName = GetItemString(list); //var certNameLight = new X509Name(simpleCertName); list.Add("L", "Boulder"); list.Add("ST", "Colorado"); list.Add("C", "US"); var subjectFull = GetItemString(list); var certName = new X509Name(subjectFull); BigInteger serialNo; if (serialNumber == 0) { serialNo = BigInteger.ProbablePrime(120, random); } else { serialNo = BigInteger.ValueOf(serialNumber); } gen.SetSerialNumber(serialNo); gen.SetSubjectDN(certName); gen.SetIssuerDN(caCert.IssuerDN); var issuerPublicKeyInfo = SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo(caCert.GetPublicKey()); var issuerGeneralNames = new GeneralNames(new GeneralName(caCert.IssuerDN)); var issuerSerialNumber = caCert.SerialNumber; var authorityKeyIdentifier = new AuthorityKeyIdentifier(issuerPublicKeyInfo, issuerGeneralNames, issuerSerialNumber); gen.AddExtension(X509Extensions.AuthorityKeyIdentifier.Id, true, authorityKeyIdentifier); // gen.SetIssuerUniqueID(caCert.IssuerUniqueID.GetBytes()) gen.SetNotAfter(expireOn); gen.SetNotBefore(DateTime.Now.AddHours(-2)); gen.SetSignatureAlgorithm("SHA256WithRSA"); //("MD5WithRSA"); var kpgen = new RsaKeyPairGenerator(); kpgen.Init(new KeyGenerationParameters(random, 2048)); // new SecureRandom(new CryptoApiRandomGenerator()), 2048)); var subjectKeyPair = kpgen.GenerateKeyPair(); gen.SetPublicKey(subjectKeyPair.Public); gen.AddExtension( X509Extensions.ExtendedKeyUsage.Id, false, new ExtendedKeyUsage(new KeyPurposeID[] { KeyPurposeID.IdKPClientAuth, KeyPurposeID.IdKPServerAuth, KeyPurposeID.IdKPCodeSigning })); //1.3.6.1.5.5.7.3.1 = server authentication //1.3.6.1.5.5.7.3.2 = client authentication //1.3.6.1.5.5.7.3.3 = code signing var certificate = gen.Generate(caPrivateKey); PrivateKeyInfo info = PrivateKeyInfoFactory.CreatePrivateKeyInfo(subjectKeyPair.Private); // merge into X509Certificate2 var x509 = new System.Security.Cryptography.X509Certificates.X509Certificate2(certificate.GetEncoded()); var seq = (Asn1Sequence)Asn1Object.FromByteArray(info.PrivateKey.GetDerEncoded()); if (seq.Count != 9) { throw new PemException("Malformed sequence in RSA private key."); } var rsa = new RsaPrivateKeyStructure(seq); RsaPrivateCrtKeyParameters rsaparams = new RsaPrivateCrtKeyParameters( rsa.Modulus, rsa.PublicExponent, rsa.PrivateExponent, rsa.Prime1, rsa.Prime2, rsa.Exponent1, rsa.Exponent2, rsa.Coefficient); //------------- //RsaPrivateCrtKeyParameters rsaparams = (RsaPrivateCrtKeyParameters)subjectKeyPair.Private; RSAParameters rsaParameters = DotNetUtilities.ToRSAParameters(rsaparams); CspParameters cspParameters = new CspParameters(); cspParameters.KeyContainerName = Guid.NewGuid().ToString(); // "MyKeyContainer"; RSACryptoServiceProvider rsaKey = new RSACryptoServiceProvider(2048, cspParameters); rsaKey.ImportParameters(rsaParameters); // ------------ x509.PrivateKey = rsaKey; // DotNetUtilities.ToRSA(rsaparams); // Generating Random Numbers var chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-()#$%^&@+=!"; var rnd = new Random(); password = new string( Enumerable.Repeat(chars, 15) .Select(s => s[rnd.Next(s.Length)]) .ToArray()); thumbprint = x509.Thumbprint.ToLower(); publicCert = x509.Export(System.Security.Cryptography.X509Certificates.X509ContentType.Cert); var privateKeyPem = new StringBuilder(); var privateKeyPemWriter = new PemWriter(new StringWriter(privateKeyPem)); privateKeyPemWriter.WriteObject(certificate); privateKeyPemWriter.WriteObject(subjectKeyPair.Private); privateKeyPemWriter.Writer.Flush(); pemPrivateKey = privateKeyPem.ToString(); var publicKeyPem = new StringBuilder(); var utf8WithoutBom = new System.Text.UTF8Encoding(false); var publicKeyPemWriter = new PemWriter(new StringWriterWithEncoding(publicKeyPem, utf8WithoutBom)); publicKeyPemWriter.WriteObject(certificate); publicKeyPemWriter.Writer.Flush(); pemPublicCert = publicKeyPem.ToString(); pemPublicCert = pemPublicCert.Replace(Environment.NewLine, "\n"); //only use newline and not returns pkcs12Data = x509.Export(System.Security.Cryptography.X509Certificates.X509ContentType.Pfx, password); }