/// <summary> /// Initializes a new instance of the SecurityOptions class. /// </summary> /// <param name="protocol">One of the <see cref="SecureProtocol"/> values.</param> /// <param name="cert">A <see cref="Certificate"/> instance.</param> /// <param name="entity">One of the <see cref="ConnectionEnd"/> values.</param> /// <param name="verifyType">One of the <see cref="CredentialVerification"/> values.</param> /// <param name="verifier">The <see cref="CertVerifyEventHandler"/> delegate.</param> /// <param name="commonName">The common name of the remote computer. This is usually a domain name.</param> /// <param name="flags">A bitwise combination of the <see cref="SecurityFlags"/> values.</param> /// <param name="allowed">A bitwise combination of the <see cref="SslAlgorithms"/> values.</param> /// <param name="requestHandler">The <see cref="CertRequestEventHandler"/> delegate.</param> public SecurityOptions(SecureProtocol protocol, Certificate cert, ConnectionEnd entity, CredentialVerification verifyType, CertVerifyEventHandler verifier, string commonName, SecurityFlags flags, SslAlgorithms allowed, CertRequestEventHandler requestHandler) { this.Protocol = protocol; this.Certificate = cert; this.Entity = entity; this.VerificationType = verifyType; this.Verifier = verifier; this.CommonName = commonName; this.Flags = flags; this.AllowedAlgorithms = allowed; this.RequestHandler = requestHandler; }
public void AddHttpsBinding( IPAddress address, int port, SecureProtocol protocol, Certificate cert ) { SecurityOptions ops = new SecurityOptions( protocol, cert, ConnectionEnd.Server ); AdkSocketBinding listener = this.CreateHttpsListener( ops ); listener.HostAddress = address; listener.Port = port; this.AddListener(listener); }
/// <summary> /// Initializes a new <see cref="CertificateChain"/> instance from a <see cref="Certificate"/>. /// </summary> /// <param name="cert">The certificate for which a chain is being built.</param> /// <param name="additional">Any additional store to be searched for supporting certificates and CTLs.</param> /// <param name="options">Additional certificate chain options.</param> /// <remarks><paramref name="cert"/> will always be the end certificate.</remarks> /// <exception cref="ArgumentNullException"><paramref name="cert"/> is a null reference (<b>Nothing</b> in Visual Basic).</exception> /// <exception cref="CertificateException">An error occurs while building the certificate chain.</exception> public CertificateChain(Certificate cert, CertificateStore additional, CertificateChainOptions options) { if (cert == null) throw new ArgumentNullException(); IntPtr addstore = additional == null ? IntPtr.Zero : additional.Handle; ChainParameters para = new ChainParameters(); para.cbSize = Marshal.SizeOf(typeof(ChainParameters)); para.RequestedUsagecUsageIdentifier = 0; para.RequestedUsagedwType = 0; para.RequestedUsagergpszUsageIdentifier = IntPtr.Zero; if (SspiProvider.CertGetCertificateChain(IntPtr.Zero, cert.Handle, IntPtr.Zero, addstore, ref para, (int)options, IntPtr.Zero, ref m_Handle) == 0) throw new CertificateException("Unable to find the certificate chain."); m_Certificate = cert; }
protected byte[] GetCertificateList(Certificate certificate) { Certificate[] certs = certificate.GetCertificateChain().GetCertificates(); byte[][] cert_bytes = new byte[certs.Length][]; int size = 0; for(int i = 0; i < certs.Length; i++) { cert_bytes[i] = certs[i].ToCerBuffer(); size += cert_bytes[i].Length + 3; } MemoryStream ret = new MemoryStream(size + 3 * certs.Length + 3); // write length of certificate list ret.WriteByte((byte)(size / 65536)); ret.WriteByte((byte)((size % 65536) / 256)); ret.WriteByte((byte)(size % 256)); for(int i = 0; i < cert_bytes.Length; i++) { // write the length of the certificate size = cert_bytes[i].Length; ret.WriteByte((byte)(size / 65536)); // write length of certificates ret.WriteByte((byte)((size % 65536) / 256)); ret.WriteByte((byte)(size % 256)); // write the certificate ret.Write(cert_bytes[i], 0, size); } return ret.ToArray(); }
private void stream_OnCertVerify(SecureSocket sock, Certificate cert, CertificateChain chain, VerifyEventArgs e) { isSecurityChanging = false; raiseCertificateVerifiedEvent(EventArgs.Empty); }
private void verifyLevel2Authentication( SecureSocket socket, Certificate cert, CertificateChain chain, VerifyEventArgs e ) { // Verify level 1 first verifyLevel1Authentication( socket, cert, chain, e ); if ( !e.Valid ) { return; } CertificateStatus certStatus = chain.VerifyChain( null, AuthType.Client, VerificationFlags.IgnoreInvalidName ); if ( certStatus != CertificateStatus.ValidCertificate ) { if ( (Adk.Debug & AdkDebugFlags.Messaging_Detailed) != 0 ) { log.Warn ( "Client Certificate is not trusted and fails SIF Level 2 Authentication: " + certStatus.ToString() ); } e.Valid = false; } else { e.Valid = true; } }
/// <summary> /// Compares two <see cref="Certificate"/> objects for equality. /// </summary> /// <param name="other">A Certificate object to compare to the current object.</param> /// <returns><b>true</b> if the current Certificate object is equal to the object specified by <paramref name="other"/>; otherwise, <b>false</b>.</returns> public virtual bool Equals(Certificate other) { if (other == null) return false; return SspiProvider.CertCompareCertificate(SecurityConstants.X509_ASN_ENCODING | SecurityConstants.PKCS_7_ASN_ENCODING, m_Context.pCertInfo, other.m_Context.pCertInfo) != 0; }
protected SslHandshakeStatus ProcessCertificate(HandshakeMessage message, bool client) { if (client) { if (m_State != HandshakeType.ServerHello) throw new SslException(AlertDescription.UnexpectedMessage, "Certificate message must be preceded by a ServerHello message."); } else { // server if (m_State != HandshakeType.ClientHello) throw new SslException(AlertDescription.UnexpectedMessage, "Certificate message must be preceded by a ClientHello message."); } UpdateHashes(message, HashUpdate.All); // input message Certificate[] certs = null; try { certs = ParseCertificateList(message.fragment); if (certs.Length == 0) { if (!m_MutualAuthentication) return new SslHandshakeStatus(SslStatus.MessageIncomplete, null); } } catch (SslException t) { throw t; } catch (Exception f) { throw new SslException(f, AlertDescription.InternalError, "The Certificate message is invalid."); } CertificateChain chain = null; m_RemoteCertificate = null; if (certs.Length != 0) { m_RemoteCertificate = certs[0]; if (m_RemoteCertificate.GetPublicKeyLength() < 512) { throw new SslException(AlertDescription.HandshakeFailure, "The pulic key should be at least 512 bits."); } CertificateStore cs = new CertificateStore(certs); for(int i = 0; i < certs.Length; i++) { certs[i].Store = cs; } chain = new CertificateChain(m_RemoteCertificate, cs); } VerifyChain(chain, client); return new SslHandshakeStatus(SslStatus.MessageIncomplete, null); }
/// <summary> /// Initializes a new <see cref="CertificateChain"/> instance from a <see cref="Certificate"/>. /// </summary> /// <param name="cert">The certificate for which a chain is being built.</param> /// <remarks><paramref name="cert"/> will always be the end certificate.</remarks> /// <exception cref="ArgumentNullException"><paramref name="cert"/> is a null reference (<b>Nothing</b> in Visual Basic).</exception> /// <exception cref="CertificateException">An error occurs while building the certificate chain.</exception> public CertificateChain(Certificate cert) : this(cert, null) {}
/// <summary> /// Initializes a new instance of the SecurityOptions class. /// </summary> /// <param name="protocol">One of the <see cref="SecureProtocol"/> values.</param> /// <param name="cert">A <see cref="Certificate"/> instance.</param> /// <param name="entity">One of the <see cref="ConnectionEnd"/> values.</param> /// <remarks> /// All other members of the structure will be instantiated with default values. /// </remarks> public SecurityOptions(SecureProtocol protocol, Certificate cert, ConnectionEnd entity) : this(protocol, cert, entity, CredentialVerification.Auto, null, null, SecurityFlags.Default, SslAlgorithms.ALL, null) {}
private int TestConstructors() { Certificate c; try { c = new Certificate(null); AddError("C-TC1"); } catch (ArgumentNullException) { } catch { AddError("C-TC2"); } try { c = new Certificate(IntPtr.Zero); AddError("C-TC3"); } catch (ArgumentException) { } catch { AddError("C-TC4"); } try { c = new Certificate(IntPtr.Zero, true); AddError("C-TC5"); } catch (ArgumentException) { } catch { AddError("C-TC6"); } try { c = new Certificate(IntPtr.Zero, false); AddError("C-TC7"); } catch (ArgumentException) { } catch { AddError("C-TC8"); } try { Certificate c2 = null; try { c2 = CertificateStore.CreateFromCerFile(@"certs\server.der.cer").FindCertificateByUsage(new string[] {"1.3.6.1.5.5.7.3.1"}); } catch { AddWarning("C-W-TC1"); } if (c2 != null) { c = new Certificate(c2.Handle, true); if (!c.Equals(c2)) AddError("C-TC9"); } } catch { AddError("C-TC10"); } try { Certificate c2 = null; try { c2 = CertificateStore.CreateFromCerFile(@"certs\server.der.cer").FindCertificateByUsage(new string[] {"1.3.6.1.5.5.7.3.1"}); } catch { AddWarning("C-W-TC2"); } if (c2 != null) { c = new Certificate(c2); if (!c.Equals(c2)) AddError("C-TC11"); } } catch { AddError("C-TC12"); } return 12; }
/// <summary> /// Initializes a new <see cref="RequestEventArgs"/> instance. /// </summary> /// <param name="cert">A <see cref="Certificate"/> instance.</param> public RequestEventArgs(Certificate cert) { m_Certificate = cert; }
protected byte[] GetDistinguishedName(Certificate c) { CertificateInfo info = c.GetCertificateInfo(); byte[] ret = new byte[info.SubjectcbData]; Marshal.Copy(info.SubjectpbData, ret, 0, ret.Length); return ret; }
private void CheckClientCertAtServer(SecureSocket socket, Certificate clientCertificate, CertificateChain allClientCertificates, VerifyEventArgs args) { Debug.WriteLine("check the client certificate event"); if (allClientCertificates != null) { args.Valid = m_serverAuth.IsValidClientCertificate(clientCertificate, allClientCertificates, ((IPEndPoint)socket.RemoteEndPoint).Address); } else { args.Valid = !((m_requiredOptions & SecurityAssociationOptions.EstablishTrustInClient) > 0); } }
private void CheckServerCertAtClient(SecureSocket socket, Certificate cert, CertificateChain chain, VerifyEventArgs args) { Debug.WriteLine("check the server certificate event"); args.Valid = m_clientAuth.IsValidServerCertificate(cert, chain, ((IPEndPoint)socket.RemoteEndPoint).Address); }
public SecurityOptions(SecureProtocol protocol, ExtensionType[] extensions, Certificate cert, IEnumerable<string> knownProtocols, ConnectionEnd entity) : this(protocol, extensions, cert, entity, knownProtocols, CredentialVerification.Auto, null, null, SecurityFlags.Default, SslAlgorithms.ALL, null) { }
public SecurityOptions(SecureProtocol protocol, ExtensionType[] extensions, Certificate cert, ConnectionEnd entity, IEnumerable<string> knownProtocols, CredentialVerification verifyType, CertVerifyEventHandler verifier, string commonName, SecurityFlags flags, SslAlgorithms allowed, CertRequestEventHandler requestHandler) { this.Protocol = protocol; this.Certificate = cert; this.Entity = entity; this.VerificationType = verifyType; this.Verifier = verifier; this.CommonName = commonName; this.Flags = flags; this.AllowedAlgorithms = allowed; this.RequestHandler = requestHandler; this.KnownProtocols = knownProtocols; this.Extensions = extensions; this.ExtensionList = FormExtsList(extensions); }
private void verifyLevel3Authentication( SecureSocket socket, Certificate cert, CertificateChain chain, VerifyEventArgs e ) { try { // Verify level 2 first verifyLevel2Authentication( socket, cert, chain, e ); if ( !e.Valid ) { return; } // Verify that the host name or IP matches the subject on the certificate // ( Level3 authentication ) // First, get the "CN=" name from the certificate string commonName = null; DistinguishedName certificateName = cert.GetDistinguishedName(); for ( int a = 0; a < certificateName.Count; a++ ) { NameAttribute part = certificateName[a]; if ( part.ObjectID == OID_CN ) { commonName = part.Value; break; } } if ( commonName == null ) { if ( (Adk.Debug & AdkDebugFlags.Messaging_Detailed) != 0 ) { log.Warn ( "Client Certificate fails SIF Level 3 Authentication: common name attribute not found." ); } e.Valid = false; return; } if( String.Compare( commonName, "localhost", true ) == 0 ) { commonName = "127.0.0.1"; } // Does it match the IP Address? IPEndPoint remoteEndPoint = (IPEndPoint) socket.RemoteEndPoint; if ( remoteEndPoint.Address.ToString() == commonName ) { e.Valid = true; return; } // Does it match the common name of the client machine? IPHostEntry entry = GetHostByAddress( remoteEndPoint.Address ); if ( entry == null ) { if ( (Adk.Debug & AdkDebugFlags.Messaging_Detailed) != 0 ) { log.Warn ( "Client Certificate fails SIF Level 3 Authentication: Host Name not found for Address " + remoteEndPoint.Address.ToString() ); } e.Valid = false; return; } if ( string.Compare( commonName, entry.HostName, true ) == 0 ) { e.Valid = true; return; } // No match was found e.Valid = false; if ( (Adk.Debug & AdkDebugFlags.Messaging_Detailed) != 0 ) { log.Warn ( "Client Certificate fails SIF Level 3 Authentication: Certificate Common Name=" + commonName + ". Does not match client IP / Host: " + remoteEndPoint.Address.ToString() + " / " + socket.CommonName ); } } catch ( Exception ex ) { if ( (Adk.Debug & AdkDebugFlags.Messaging_Detailed) != 0 ) { log.Warn ( "Client Certificate fails SIF Level 3 Authentication: " + ex.Message, ex ); } e.Valid = false; } }
private int CheckServerCertBasicProps(Certificate c, bool clone) { byte[] SHA1Hash = new byte[] {0xE1, 0x4D, 0x2F, 0x99, 0x4E, 0x31, 0xA3, 0x2E, 0x5E, 0xD6, 0x83, 0x0A, 0x87, 0x59, 0x6F, 0x5E, 0x60, 0x5F, 0x33, 0x89}; byte[] MD5Hash = new byte[] {0xAE, 0x8B, 0xA3, 0x7A, 0xF1, 0x1C, 0x33, 0x86, 0xFD, 0xCF, 0xC5, 0x23, 0xFF, 0x28, 0x2C, 0x6D}; byte[] HashCode = new byte[] {0xE1, 0x4D, 0x2F, 0x99}; byte[] Serial = new byte[] {0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0xD9, 0x72, 0xD2, 0x61}; byte[] RawData = new byte[] {0x30, 0x82, 0x05, 0xF4, 0x30, 0x82, 0x03, 0xDC, 0xA0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x0A, 0x61, 0xD2, 0x72, 0xD9, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x30, 0x0D, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x01, 0x05, 0x05, 0x00,0x30, 0x2D, 0x31, 0x2B, 0x30, 0x29, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x22, 0x4D, 0x65, 0x6E, 0x74, 0x61, 0x6C, 0x69, 0x73, 0x2E, 0x6F, 0x72, 0x67, 0x20, 0x43, 0x65, 0x72, 0x74, 0x69, 0x66, 0x69, 0x63, 0x61, 0x74, 0x65, 0x20, 0x41, 0x75,0x74, 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0xFB, 0x21, 0x7E, 0xA1, 0x87, 0xAB, 0xE5, 0x0B, 0x99, 0x10, 0xA5, 0x79, 0x03, 0x61, 0xBA, 0xE7, 0x8F, 0xC8, 0x57, 0x11, 0x7F, 0x28, 0x70,0xF1, 0xA6, 0x57, 0x77, 0x8F, 0xDC, 0x98, 0x4C, 0x51, 0x8F, 0x8E, 0x0E, 0xA7, 0xE7, 0xD0, 0xB8, 0x2E, 0x6A, 0x46, 0x29, 0x83, 0x85, 0x59, 0x84, 0x87, 0xCB, 0xD8, 0xDE, 0x3D, 0xD7, 0x73, 0xE4, 0x52, 0xCB, 0xA2, 0xC2, 0x3D, 0x05, 0x5F, 0xB4,0xDA, 0x40, 0x75, 0x65, 0x72, 0x3E, 0x4C, 0x79, 0x0B, 0x9C, 0x2A, 0xBC, 0x93, 0x1F, 0x24, 0x28, 0x7A, 0x90, 0xA9, 0x7A, 0x0C, 0xCA, 0x53, 0x6B, 0xE5, 0x4E, 0x67, 0x6F, 0x5A, 0x13, 0xB2, 0x67, 0x5C, 0xE3, 0x36, 0x92, 0xD3, 0x6D, 0xF6, 0x69,0x87, 0x02, 0x84, 0x01, 0x59, 0x18, 0x96, 0xFB}; int tests = 53; if (clone) { try { Certificate c2 = (Certificate)c.Clone(); if (!c.Equals(c2)) AddError("C-CSCBP1"); tests += CheckServerCertBasicProps(c2, false); } catch { AddError("C-CSCBP2"); } } try { DistinguishedName dn = c.GetDistinguishedName(); StringDictionary sd = new StringDictionary(); for(int i = 0; i < dn.Count; i++) { sd.Add(dn[i].ObjectID, dn[i].Value); } if (sd.Count != 7) AddError("C-CSCBP3"); try { if (sd["2.5.4.3"] != "Mentalis.org Team") //name AddError("C-CSCBP3"); } catch { AddError("C-CSCBP5"); } try { if (sd["1.2.840.113549.1.9.1"] != "*****@*****.**") //email AddError("C-CSCBP6"); } catch { AddError("C-CSCBP7"); } try { if (sd["2.5.4.7"] != "Leuven") //city AddError("C-CSCBP8"); } catch { AddError("C-CSCBP9"); } try { if (sd["2.5.4.6"] != "BE") //country AddError("C-CSCBP10"); } catch { AddError("C-CSCBP11"); } try { if (sd["2.5.4.10"] != "The KPD-Team") //company AddError("C-CSCBP12"); } catch { AddError("C-CSCBP13"); } try { if (sd["2.5.4.11"] != "Software Development") //department AddError("C-CSCBP14"); } catch { AddError("C-CSCBP15"); } try { if (sd["2.5.4.8"] != "Brabant") //state AddError("C-CSCBP16"); } catch { AddError("C-CSCBP17"); } } catch { AddError("C-CSCBP18"); } try { if (!ArrayEquals(c.GetCertHash(HashType.SHA1), SHA1Hash)) AddError("C-CSCBP19"); } catch { AddError("C-CSCBP20"); } try { if (!ArrayEquals(c.GetCertHash(HashType.MD5), MD5Hash)) AddError("C-CSCBP21"); } catch { AddError("C-CSCBP22"); } try { if (c.GetEffectiveDate().ToFileTime() != 0x1C29FBC26000A00) AddError("C-CSCBP23"); } catch { AddError("C-CSCBP24"); } try { if (c.GetExpirationDate().ToFileTime() != 0x1C3BE8F04678600) AddError("C-CSCBP25"); } catch { AddError("C-CSCBP26"); } try { StringCollection sc = c.GetEnhancedKeyUsage(); if (sc.Count != 1) AddError("C-CSCBP27"); if (!sc.Contains("1.3.6.1.5.5.7.3.1")) AddError("C-CSCBP28"); } catch { AddError("C-CSCBP29"); } try { if (c.GetFormat() != "X509") AddError("C-CSCBP30"); } catch { AddError("C-CSCBP31"); } try { if (!ArrayEquals(BitConverter.GetBytes(c.GetHashCode()), HashCode)) AddError("C-CSCBP32"); } catch { AddError("C-CSCBP33"); } try { if (c.GetIntendedKeyUsage() != 48) // 48 == Data Encipherment and Key Encipherment AddError("C-CSCBP34"); } catch { AddError("C-CSCBP35"); } try { if (c.GetIssuerName() != "Mentalis.org Certificate Authority") AddError("C-CSCBP36"); } catch { AddError("C-CSCBP37"); } try { if (c.GetKeyAlgorithm() != "1.2.840.113549.1.1.5") AddError("C-CSCBP38"); } catch { AddError("C-CSCBP39"); } try { if (c.GetKeyAlgorithmParametersString() != "0500") AddError("C-CSCBP40"); } catch { AddError("C-CSCBP41"); } try { if (c.GetName() != "Mentalis.org Team") AddError("C-CSCBP42"); } catch { AddError("C-CSCBP43"); } try { if (c.GetPublicKeyLength() != 1024) AddError("C-CSCBP44"); } catch { AddError("C-CSCBP45"); } try { if (c.GetPublicKeyString() != "30818902818100BC7B73D8F2A48B17684E49A1425252FD1D8354E2B3202B79BE5764EF2ADD6D413AE8F6E327FBFC4FB3F274357FEE7478BB28AE58975F73BE510F49E4545665B3B3443FD52C27A0DF6B6D8A3AAB5A42C3DEC14CB9A85955C57A99661FB99FE08363E460BEFFFF33C4B6F9F87B12FD6F5D7F2A8AEF6EFA2DA5FAF7EBD72B8B87170203010001") AddError("C-CSCBP46"); } catch { AddError("C-CSCBP47"); } try { if (!ArrayEquals(RawData, c.GetRawCertData())) AddError("C-CSCBP48"); } catch { AddError("C-CSCBP49"); } try { if (!ArrayEquals(c.GetSerialNumber(), Serial)) AddError("C-CSCBP50"); } catch { AddError("C-CSCBP51"); } try { if (!ArrayEquals(RawData, c.ToCerBuffer())) AddError("C-CSCBP52"); } catch { AddError("C-CSCBP53"); } return tests; }
/// <summary> /// Returns a certificate from the <see cref="CertificateStore"/>. /// </summary> /// <param name="previous">The previous certificate.</param> /// <returns>The <see cref="Certificate"/> that comes after <paramref name="previous"/> -or- a null reference (<b>Nothing in Visual Basic</b>) if there is no certificate after <paremref name="previous"/>.</returns> public Certificate FindCertificate(Certificate previous) { IntPtr prev; if (previous == null) prev = IntPtr.Zero; else prev = SspiProvider.CertDuplicateCertificateContext(previous.Handle); IntPtr ret = SspiProvider.CertFindCertificateInStore(Handle, SecurityConstants.X509_ASN_ENCODING, 0, SecurityConstants.CERT_FIND_ANY, IntPtr.Zero, prev); if (ret.Equals(IntPtr.Zero)) return null; else return new Certificate(ret, this); }
protected Certificate[] ParseCertificateList(byte[] list) { Queue queue = new Queue(); int offset = 3; while(offset < list.Length) { int length = list[offset] * 65536 + list[offset + 1] * 256 + list[offset + 2]; queue.Enqueue(Certificate.CreateFromCerFile(list, offset + 3, length)); offset += length + 3; } Certificate[] certs = new Certificate[queue.Count]; offset = 0; while(queue.Count > 0) { certs[offset] = (Certificate)queue.Dequeue(); offset++; } return certs; }
/// <summary> /// Finds a certificate having an enhanced key extension that matches one of the <paramref name="keyUsage"/> members. /// </summary> /// <param name="keyUsage">The list of enhanced key usages to search for.</param> /// <param name="previous">The previous certificate.</param> /// <returns>The <see cref="Certificate"/> that comes after <paramref name="previous"/> and that has at least one of the specified key usages -or- a null reference (<b>Nothing in Visual Basic</b>) if no other valid certificate could be found.</returns> /// <exception cref="ArgumentNullException"><paramref name="keyUsage"/> is a null reference (<b>Nothing</b> in Visual Basic).</exception> /// <exception cref="ArgumentException"><paramref name="keyUsage"/> is invalid.</exception> public Certificate FindCertificateByUsage(string[] keyUsage, Certificate previous) { // "1.3.6.1.5.5.7.3.1" is the Server Authentication OID as defined in RFC2459 if (keyUsage == null) throw new ArgumentNullException(); if (keyUsage.Length == 0) throw new ArgumentException(); int total = 0; for(int i = 0; i < keyUsage.Length; i++) { if (keyUsage[i] == null || keyUsage[i].Length == 0) throw new ArgumentException(); total += keyUsage[i].Length + 1; } IntPtr storage = Marshal.AllocHGlobal(total); // block of memory that contains all the strings IntPtr list = Marshal.AllocHGlobal(IntPtr.Size * keyUsage.Length); // list of pointers to the strings total = 0; IntPtr s = storage; for(int i = 0; i < keyUsage.Length; i++) { Marshal.Copy(Encoding.ASCII.GetBytes(keyUsage[i] + "\0"), 0, s, keyUsage[i].Length + 1); Marshal.WriteIntPtr(list, i * IntPtr.Size, s); s = new IntPtr(storage.ToInt64() + keyUsage[i].Length + 1); } // search for a certificate TrustListUsage usage = new TrustListUsage(); usage.cUsageIdentifier = keyUsage.Length; usage.rgpszUsageIdentifier = list; IntPtr prev; if (previous == null) prev = IntPtr.Zero; else prev = SspiProvider.CertDuplicateCertificateContext(previous.Handle); IntPtr ret = SspiProvider.CertFindUsageCertificateInStore(Handle, SecurityConstants.X509_ASN_ENCODING | SecurityConstants.PKCS_7_ASN_ENCODING, 0, SecurityConstants.CERT_FIND_CTL_USAGE, ref usage, prev); Marshal.FreeHGlobal(list); Marshal.FreeHGlobal(storage); if (ret.Equals(IntPtr.Zero)) return null; else return new Certificate(ret, this); }
protected byte[] GetCertificateBytes(Certificate certificate) { if (certificate == null) return new byte[]{0, 0, 0}; byte[] cert_bytes = certificate.ToCerBuffer(); byte[] ret = new byte[6 + cert_bytes.Length]; int size = cert_bytes.Length + 3; ret[0] = (byte)(size / 65536); ret[1] = (byte)((size % 65536) / 256); ret[2] = (byte)(size % 256); ret[3] = (byte)(cert_bytes.Length / 65536); ret[4] = (byte)((cert_bytes.Length % 65536) / 256); ret[5] = (byte)(cert_bytes.Length % 256); Buffer.BlockCopy(cert_bytes, 0, ret, 6, cert_bytes.Length); return ret; }
/// <summary> /// Finds a certificate with a matching subject name. /// </summary> /// <param name="name">The X500 string to search for.</param> /// <param name="previous">The previous certificate.</param> /// <returns>A <see cref="Certificate"/> with a matching subject name -or- a null reference (<b>Nothing</b> in Visual Basic) if no matching certificate could be found in the store.</returns> /// <exception cref="ArgumentNullException"><paramref name="name"/> is a null reference (<b>Nothing</b> in Visual Basic).</exception> /// <exception cref="ArgumentException"><paramref name="name"/> is invalid.</exception> /// <exception cref="CertificateException">An error occurs while encoding the specified string.</exception> public Certificate FindCertificateBySubjectName(string name, Certificate previous) { if (name == null) throw new ArgumentNullException(); if (name.Length == 0) throw new ArgumentException(); IntPtr prev, cert = IntPtr.Zero; if (previous == null) prev = IntPtr.Zero; else prev = SspiProvider.CertDuplicateCertificateContext(previous.Handle); DataBlob data = new DataBlob(); if (SspiProvider.CertStrToName(SecurityConstants.X509_ASN_ENCODING | SecurityConstants.PKCS_7_ASN_ENCODING, name, SecurityConstants.CERT_X500_NAME_STR, IntPtr.Zero, IntPtr.Zero, ref data.cbData, IntPtr.Zero) == 0) throw new CertificateException("Could not encode the specified string. [is the string a valid X500 string?]"); data.pbData = Marshal.AllocHGlobal(data.cbData); try { if (SspiProvider.CertStrToName(SecurityConstants.X509_ASN_ENCODING | SecurityConstants.PKCS_7_ASN_ENCODING, name, SecurityConstants.CERT_X500_NAME_STR, IntPtr.Zero, data.pbData, ref data.cbData, IntPtr.Zero) == 0) throw new CertificateException("Could not encode the specified string."); cert = SspiProvider.CertFindDataBlobCertificateInStore(this.Handle, SecurityConstants.X509_ASN_ENCODING | SecurityConstants.PKCS_7_ASN_ENCODING, 0, SecurityConstants.CERT_FIND_SUBJECT_NAME, ref data, prev); } finally { Marshal.FreeHGlobal(data.pbData); } if (cert == IntPtr.Zero) return null; else return new Certificate(cert); }
/// <summary> /// Initializes a new <see cref="CertificateChain"/> instance from a <see cref="Certificate"/>. /// </summary> /// <param name="cert">The certificate for which a chain is being built.</param> /// <param name="additional">Any additional store to be searched for supporting certificates and CTLs.</param> /// <remarks><paramref name="cert"/> will always be the end certificate.</remarks> /// <exception cref="ArgumentNullException"><paramref name="cert"/> is a null reference (<b>Nothing</b> in Visual Basic).</exception> /// <exception cref="CertificateException">An error occurs while building the certificate chain.</exception> public CertificateChain(Certificate cert, CertificateStore additional) : this(cert, additional, CertificateChainOptions.Default) {}
/// <summary> /// Finds a certificate with a subject that contains a specified string. /// </summary> /// <param name="subject">The string to search for.</param> /// <param name="previous">The previous certificate.</param> /// <returns>A <see cref="Certificate"/> with a matching subject string -or- a null reference (<b>Nothing</b> in Visual Basic) if no matching certificate could be found in the store.</returns> /// <exception cref="ArgumentNullException"><paramref name="subject"/> is a null reference (<b>Nothing</b> in Visual Basic).</exception> /// <exception cref="ArgumentException"><paramref name="subject"/> is invalid.</exception> /// <remarks>The string matching algorithm used is case-insensitive.</remarks> public Certificate FindCertificateBySubjectString(string subject, Certificate previous) { if (subject == null) throw new ArgumentNullException(); if (subject.Length == 0) throw new ArgumentException(); IntPtr prev; if (previous == null) prev = IntPtr.Zero; else prev = SspiProvider.CertDuplicateCertificateContext(previous.Handle); IntPtr cert = SspiProvider.CertFindStringCertificateInStore(this.Handle, SecurityConstants.X509_ASN_ENCODING | SecurityConstants.PKCS_7_ASN_ENCODING, 0, SecurityConstants.CERT_FIND_SUBJECT_STR_W, subject, prev); if (cert == IntPtr.Zero) return null; else return new Certificate(cert); }
/// <summary> /// Returns an array of usages consisting of the intersection of the valid usages for all certificates in an array of certificates. /// </summary> /// <param name="certificates">Array of certificates to be checked for valid usage.</param> /// <returns>An array of valid usages -or- a null reference (<b>Nothing</b> in Visual Basic) if all certificates support all usages.</returns> /// <exception cref="ArgumentNullException"><paramref name="certificates"/> is a null reference (<b>Nothing</b> in Visual Basic).</exception> /// <exception cref="ArgumentException">The array of certificates contains at least one invalid entry.</exception> /// <exception cref="CertificateException">An error occurs while determining the intersection of valid usages.</exception> public static string[] GetValidUsages(Certificate[] certificates) { if (certificates == null) throw new ArgumentNullException(); IntPtr buffer = IntPtr.Zero; IntPtr certs = Marshal.AllocHGlobal(certificates.Length * IntPtr.Size); try { for (int i = 0; i < certificates.Length; i++) { if (certificates[i] == null) throw new ArgumentException(); Marshal.WriteIntPtr(certs, i * IntPtr.Size, certificates[i].Handle); } int count = 0, bytes = 0; if (SspiProvider.CertGetValidUsages(certificates.Length, certs, ref count, buffer, ref bytes) == 0) throw new CertificateException("Unable to get the valid usages."); if (count == -1) return null; // every usage is valid buffer = Marshal.AllocHGlobal(bytes); if (SspiProvider.CertGetValidUsages(certificates.Length, certs, ref count, buffer, ref bytes) == 0) throw new CertificateException("Unable to get the valid usages."); string[] ret = new string[count]; for (int i = 0; i < count; i++) { ret[i] = Marshal.PtrToStringAnsi(Marshal.ReadIntPtr(buffer, i * IntPtr.Size)); } return ret; } finally { Marshal.FreeHGlobal(certs); if (buffer != IntPtr.Zero) Marshal.FreeHGlobal(buffer); } }
/// <summary> /// Adds a <see cref="Certificate"/> to the <see cref="CertificateStore"/>. /// </summary> /// <param name="cert">The certificate to add to the store.</param> /// <exception cref="ArgumentNullException"><paramref name="cert"/> is a null reference (<b>Nothing</b> in Visual Basic).</exception> /// <exception cref="CertificateException">An error occurs while adding the certificate to the store.</exception> public void AddCertificate(Certificate cert) { if (cert == null) throw new ArgumentNullException(); if (SspiProvider.CertAddCertificateContextToStore(this.Handle, cert.Handle, SecurityConstants.CERT_STORE_ADD_NEW, IntPtr.Zero) == 0) { if (Marshal.GetLastWin32Error() != SecurityConstants.CRYPT_E_EXISTS) throw new CertificateException("An error occurs while adding the certificate to the store."); } }
/// <summary> /// Duplicates a given certificate. /// </summary> /// <param name="certificate">The certificate to duplicate.</param> /// <exception cref="ArgumentNullException"><paramref name="certificate"/> is a null reference (<b>Nothing</b> in Visual Basic).</exception> public Certificate(Certificate certificate) { if (certificate == null) throw new ArgumentNullException(); InitCertificate(certificate.Handle, true, null); }
/// <summary> /// Deletes a <see cref="Certificate"/> from the <see cref="CertificateStore"/>. /// </summary> /// <exception cref="ArgumentNullException"><paramref name="cert"/> is a null reference (<b>Nothing</b> in Visual Basic).</exception> /// <exception cref="CertificateException">An error occurs while removing the certificate from the store.</exception> public void DeleteCertificate(Certificate cert) { if (cert == null) throw new ArgumentNullException(); Certificate sci = FindCertificateByHash(cert.GetCertHash(HashType.SHA1), HashType.SHA1); if (sci == null) throw new CertificateException("The certificate could not be found in the store."); if (SspiProvider.CertDeleteCertificateFromStore(SspiProvider.CertDuplicateCertificateContext(sci.Handle)) == 0) throw new CertificateException("An error occurs while removing the certificate from the store."); }