Leadtools.Dicom Namespace : DicomTlsCipherSuiteType Enumeration |
public enum DicomTlsCipherSuiteType : System.Enum, System.IComparable, System.IConvertible, System.IFormattable
'Declaration Public Enum DicomTlsCipherSuiteType Inherits System.Enum Implements System.IComparable, System.IConvertible, System.IFormattable
'Usage Dim instance As DicomTlsCipherSuiteType
public enum DicomTlsCipherSuiteType : System.IComparable, System.IConvertible, System.IFormattable
ObjectiveC Syntax
Java Syntax
Leadtools.Dicom.DicomTlsCipherSuiteType = function() { }; Leadtools.Dicom.DicomTlsCipherSuiteType.prototype = {
LeadtoolsMemberMarker(replace me) };
public enum class DicomTlsCipherSuiteType : public System.Enum, System.IComparable, System.IConvertible, System.IFormattable
Member | Description |
---|---|
DheRsaAes256Sha | Type 3 |
DheRsaWith3DesEdeCbcSha | Type 1. |
DheRsaWithDesCbcSha | Type 2. |
None | No cipher suite has been agreed upon yet. |
<StructLayout(LayoutKind.Sequential)> _ Public Structure MSG Public hwnd As IntPtr Public message As UInteger Public wParam As IntPtr Public lParam As IntPtr Public time As UInteger Public p As System.Drawing.Point End Structure Public Enum WaitReturn Complete Timeout End Enum Private Class Utils <DllImport("user32.dll")> _ Shared Function PeekMessage(<System.Runtime.InteropServices.Out()> ByRef lpMsg As MSG, ByVal hWnd As IntPtr, ByVal wMsgFilterMin As UInteger, _ ByVal wMsgFilterMax As UInteger, ByVal wRemoveMsg As UInteger) As <MarshalAs(UnmanagedType.Bool)> Boolean End Function <DllImport("user32.dll")> _ Shared Function TranslateMessage(ByRef lpMsg As MSG) As Boolean End Function <DllImport("user32.dll")> _ Shared Function DispatchMessage(ByRef lpmsg As MSG) As IntPtr End Function Private Const PM_REMOVE As UInteger = 1 Public Shared Function WaitForComplete(ByVal mill As Double, ByVal wh As WaitHandle) As WaitReturn Dim goal As TimeSpan = New TimeSpan(DateTime.Now.AddMilliseconds(mill).Ticks) Do Dim msg As MSG = New MSG() If PeekMessage(msg, IntPtr.Zero, 0, 0, PM_REMOVE) Then TranslateMessage(msg) DispatchMessage(msg) End If If wh.WaitOne(New TimeSpan(0, 0, 0), False) Then Return WaitReturn.Complete End If If goal.CompareTo(New TimeSpan(DateTime.Now.Ticks)) < 0 Then Return WaitReturn.Timeout End If Loop While True End Function End Class ' ' Secure client (TLS) ' Private Class Client : Inherits DicomNet Private waitEvent As AutoResetEvent = New AutoResetEvent(False) Private clientPEM As String = Path.Combine(LEAD_VARS.ImagesDir, "client.pem") Public Sub New() MyBase.New(Nothing, DicomNetSecurityeMode.Tls) SetTlsCipherSuiteByIndex(0, DicomTlsCipherSuiteType.DheRsaWithDesCbcSha) SetTlsClientCertificate(clientPEM, DicomTlsCertificateType.Pem, Nothing) 'Over here we can get detailed information about the Cipher Suite ' Can also call GetTlsCipherSuiteByIndex Dim cipherSuite As DicomTlsCipherSuiteType cipherSuite = GetTlsCipherSuite() 'Returns DicomTlsEncryptionMethodType Console.WriteLine("Encryption Algorithm is : {0}", GetTlsEncryptionAlgorithm(cipherSuite)) 'Returns DicomTlsAuthenticationMethodType Console.WriteLine("Authentication Algorithm is : {0}", GetTlsAuthenticationAlgorithm(cipherSuite)) 'Returns DicomTlsMacMethodType Console.WriteLine("Integrity Algorithm is : {0}", GetTlsIntegrityAlgorithm(cipherSuite)) 'Returns DicomTlsExchangeMethodType Console.WriteLine("Key Exchange Algorithm is : {0}", GetTlsKeyExchangeAlgorithm(cipherSuite)) Console.WriteLine("Encryption Key Length is : {0}", GetTlsEncryptionKeyLength(cipherSuite)) Console.WriteLine("Mutual Authentication Key Length is : {0}", GetTlsMutualAuthenticationKeyLength(cipherSuite)) End Sub Public Function Wait() As Boolean Dim ret As WaitReturn ret = Utils.WaitForComplete((5 * 60) * 1000, waitEvent) Return (ret = WaitReturn.Complete) End Function Protected Overrides Sub OnConnect(ByVal [error] As DicomExceptionCode) waitEvent.Set() End Sub Protected Overrides Function OnPrivateKeyPassword(ByVal encryption As Boolean) As String Return "test" End Function Protected Overrides Sub OnSecureLinkReady(ByVal [error] As DicomExceptionCode) waitEvent.Set() End Sub End Class ' ' Secure server (TLS) ' Private Class ServerConnection : Inherits DicomNet Private serverPEM As String = Path.Combine(LEAD_VARS.ImagesDir, "server.pem") Public Sub New() MyBase.New(Nothing, DicomNetSecurityeMode.Tls) SetTlsCipherSuiteByIndex(0, DicomTlsCipherSuiteType.DheRsaWith3DesEdeCbcSha) SetTlsClientCertificate(serverPEM, DicomTlsCertificateType.Pem, Nothing) End Sub Protected Overrides Function OnPrivateKeyPassword(ByVal encryption As Boolean) As String Return "test" End Function End Class Private Class Server : Inherits DicomNet Private client As ServerConnection Public Sub New() MyBase.New(Nothing, DicomNetSecurityeMode.None) End Sub Protected Overrides Sub OnAccept(ByVal [error] As DicomExceptionCode) client = New ServerConnection() Accept(client) End Sub Protected Overloads Overrides Sub Dispose(ByVal __p1 As Boolean) client.Dispose() MyBase.Dispose(__p1) End Sub End Class Public Sub TLSSecuritySample() DicomEngine.Startup() DicomNet.Startup() Using server As Server = New Server() Using client As Client = New Client() server.Listen("127.0.0.1", 104, 1) ' start server client.Connect(Nothing, 1000, "127.0.0.1", 104) ' connect to server If (Not client.Wait()) Then ' wait for connection to finish Debug.Fail("Connection timed out") End If Debug.Assert(client.IsConnected(), "Client not connected") ' ' Wait for authenication ' If (Not client.Wait()) Then Debug.Fail("Connection timed out waiting for authenication") End If ' Once two computers have negotiated the ciphersuite, and have ' authenticated each other, they can begin transferring ' messages and data between them. ' Continue with normal dicom communication client.CloseForced(True) End Using server.CloseForced(True) End Using DicomEngine.Shutdown() DicomNet.Shutdown() End Sub Public NotInheritable Class LEAD_VARS Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" End Class
[StructLayout(LayoutKind.Sequential)] public struct MSG { public IntPtr hwnd; public uint message; public IntPtr wParam; public IntPtr lParam; public uint time; public System.Drawing.Point p; } public enum WaitReturn { Complete, Timeout, } class Utils { [DllImport("user32.dll")] [return: MarshalAs(UnmanagedType.Bool)] static extern bool PeekMessage(out MSG lpMsg, IntPtr hWnd, uint wMsgFilterMin, uint wMsgFilterMax, uint wRemoveMsg); [DllImport("user32.dll")] static extern bool TranslateMessage([In] ref MSG lpMsg); [DllImport("user32.dll")] static extern IntPtr DispatchMessage([In] ref MSG lpmsg); const uint PM_REMOVE = 1; public static WaitReturn WaitForComplete(double mill, WaitHandle wh) { TimeSpan goal = new TimeSpan(DateTime.Now.AddMilliseconds(mill).Ticks); do { MSG msg = new MSG(); if (PeekMessage(out msg, IntPtr.Zero, 0, 0, PM_REMOVE)) { TranslateMessage(ref msg); DispatchMessage(ref msg); } if (wh.WaitOne(new TimeSpan(0, 0, 0), false)) { return WaitReturn.Complete; } if (goal.CompareTo(new TimeSpan(DateTime.Now.Ticks)) < 0) { return WaitReturn.Timeout; } } while (true); } } // // Secure client (TLS) // class Client : DicomNet { AutoResetEvent waitEvent = new AutoResetEvent(false); string clientPEM = Path.Combine(LEAD_VARS.ImagesDir, "client.pem"); public Client() : base(null, DicomNetSecurityeMode.Tls) { SetTlsCipherSuiteByIndex(0, DicomTlsCipherSuiteType.DheRsaWithDesCbcSha); SetTlsClientCertificate(clientPEM,DicomTlsCertificateType.Pem, null); //Over here we can get detailed information about the Cipher Suite DicomTlsCipherSuiteType cipherSuite = GetTlsCipherSuite();// Can also call GetTlsCipherSuiteByIndex //Returns DicomTlsEncryptionMethodType Console.WriteLine("Encryption Algorithm is : {0}", GetTlsEncryptionAlgorithm(cipherSuite)); //Returns DicomTlsAuthenticationMethodType Console.WriteLine("Authentication Algorithm is : {0}", GetTlsAuthenticationAlgorithm(cipherSuite)); //Returns DicomTlsMacMethodType Console.WriteLine("Integrity Algorithm is : {0}", GetTlsIntegrityAlgorithm(cipherSuite)); //Returns DicomTlsExchangeMethodType Console.WriteLine("Key Exchange Algorithm is : {0}", GetTlsKeyExchangeAlgorithm(cipherSuite)); Console.WriteLine("Encryption Key Length is : {0}", GetTlsEncryptionKeyLength(cipherSuite)); Console.WriteLine("Mutual Authentication Key Length is : {0}", GetTlsMutualAuthenticationKeyLength(cipherSuite)); } public bool Wait() { WaitReturn ret; ret = Utils.WaitForComplete((5 * 60) * 1000, waitEvent); return (ret == WaitReturn.Complete); } protected override void OnConnect(DicomExceptionCode error) { waitEvent.Set(); } protected override string OnPrivateKeyPassword(bool encryption) { return "test"; } protected override void OnSecureLinkReady(DicomExceptionCode error) { waitEvent.Set(); } } // // Secure server (TLS) // class ServerConnection : DicomNet { string serverPEM = Path.Combine(LEAD_VARS.ImagesDir, "server.pem"); public ServerConnection() : base(null, DicomNetSecurityeMode.Tls) { SetTlsCipherSuiteByIndex(0, DicomTlsCipherSuiteType.DheRsaWith3DesEdeCbcSha); SetTlsClientCertificate(serverPEM, DicomTlsCertificateType.Pem, null); } protected override string OnPrivateKeyPassword(bool encryption) { return "test"; } } class Server : DicomNet { ServerConnection client; public Server() : base(null, DicomNetSecurityeMode.None) { } protected override void OnAccept(DicomExceptionCode error) { client = new ServerConnection(); Accept(client); } protected override void Dispose(bool __p1) { client.Dispose(); base.Dispose(__p1); } } public void TLSSecuritySample() { DicomEngine.Startup(); DicomNet.Startup(); using (Server server = new Server()) { using (Client client = new Client()) { server.Listen("127.0.0.1", 104, 1); // start server client.Connect(null, 1000, "127.0.0.1", 104); // connect to server if (!client.Wait()) // wait for connection to finish { Debug.Fail("Connection timed out"); } Debug.Assert(client.IsConnected(), "Client not connected"); // // Wait for authenication // if (!client.Wait()) { Debug.Fail("Connection timed out waiting for authenication"); } // Once two computers have negotiated the ciphersuite, and have // authenticated each other, they can begin transferring // messages and data between them. // Continue with normal dicom communication client.CloseForced(true); } server.CloseForced(true); } DicomEngine.Shutdown(); DicomNet.Shutdown(); } static class LEAD_VARS { public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; }
System.Object
System.ValueType
System.Enum
Leadtools.Dicom.DicomTlsCipherSuiteType
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
Leadtools.Dicom Namespace
GetTlsCipherSuiteByIndex Method
SetTlsCipherSuiteByIndex Method
GetTlsCipherSuite Method
GetTlsEncryptionAlgorithm Method
GetTlsAuthenticationAlgorithm Method
GetTlsIntegrityAlgorithm Method
GetTlsKeyExchangeAlgorithm Method
GetTlsEncryptionKeyLength Method
GetTlsMutualAuthenticationKeyLength Method