internal static void Dispose()
{
if (isInitialized)
{
if (BSPLoaded)
{
if (BSPArray != IntPtr.Zero)
{
BioAPI.Free(BSPArray);
}
GCHandle gch = GCHandle.Alloc(_bspinfo.BSPUuid, GCHandleType.Pinned);
try
{
var res = BioAPI.BSPUnload(gch.AddrOfPinnedObject(), (BioAPI.EventHandler)null, IntPtr.Zero);
if (res != BioAPI.OK)
{
throw new Exception("BSPUnload " + res.ToString());
}
}
catch (Exception ex)
{
_log.Error(ex);
}
finally
{
gch.Free();
}
BSPLoaded = false;
}
BioAPI.Terminate();
isInitialized = false;
}
}
public Add_Doctor_Details()
{
InitializeComponent();
m_BioAPI = new BioAPI();
m_WinOption = new NBioAPI.Type.WINDOW_OPTION();
m_WinOption.Option2 = new NBioAPI.Type.WINDOW_OPTION_2();
con = new connectDB().getConn();
}
public biometriclogin()
{
InitializeComponent();
m_BioAPI = new BioAPI();
m_WinOption = new NBioAPI.Type.WINDOW_OPTION();
m_WinOption.Option2 = new NBioAPI.Type.WINDOW_OPTION_2();
con = new connectDB().getConn();
uname = "";
}
internal static void Detach(uint handle)
{
uint res = BioAPI.BSPDetach(handle);
if (res != BioAPI.OK)
{
_log.Error("BSPDetach " + res.ToString());
}
}
public biometriclogin(string u,string t)
{
InitializeComponent();
m_BioAPI = new BioAPI();
m_WinOption = new NBioAPI.Type.WINDOW_OPTION();
m_WinOption.Option2 = new NBioAPI.Type.WINDOW_OPTION_2();
con = new connectDB().getConn();
uname = u;
txtUserId.Text = u;
lblEType.Text = t;
}
internal static bool Attach(bioapi_unit_schema unitinfo, ref uint handle, BioAPI.GUI_STREAMING_CALLBACK streamingCallBack, BioAPI.GUI_STATE_CALLBACK stateCallBack)
{
bool result = false;
GCHandle uuidHandle = GCHandle.Alloc(unitinfo.BSPUuid, GCHandleType.Pinned);
try
{
IntPtr uuidPtr = uuidHandle.AddrOfPinnedObject();
bioapi_unit_list_element unitlist;
unitlist.UnitCategory = unitinfo.UnitCategory;
unitlist.UnitId = unitinfo.UnitId;
uint res = BioAPI.BSPAttach(uuidPtr, 0x20, ref unitlist, 1, ref handle);
if (res == 0)
{
res = BioAPI.SetGUICallbacks(handle,
streamingCallBack,
IntPtr.Zero,
stateCallBack,
IntPtr.Zero);
result = true;
}
else
{
throw new Exception("BSPAttach " + res.ToString());
}
}
catch (Exception ex)
{
_log.Error(ex);
}
finally
{
uuidHandle.Free();
}
return(result);
}
public static bool Initialize()
{
uint res = BioAPI.Init(0x20);
if (res != BioAPI.OK)
{
_log.Error("Error while initializing");
return(false);
}
res = BioAPI.GetFrameworkInfo(ref _frameworkSchema);
if (res != BioAPI.OK)
{
_log.Error("Error while getting framework info");
return(false);
}
BioAPI.Free(_frameworkSchema.Path);
res = BioAPI.EnumBSPs(ref BSPArray, ref BSPCount);
if (res != BioAPI.OK)
{
_log.Error("Error while enumerating BSPs " + res.ToString());
return(false);
}
if (BSPCount == 0)
{
_log.Error("No BSP detected");
return(false);
}
_bspinfo = BioAPI.BSPInfo(BSPArray, 0);
BioAPI.Free(_bspinfo.Path);
BioAPI.Free(_bspinfo.BSPSupportedFormats);
isInitialized = true;
return(true);
}
public static List <bioapi_unit_schema> EnumerateDevices()
{
uint res;
List <bioapi_unit_schema> result = new List <bioapi_unit_schema>();
bioapi_unit_schema unitinfo;
GCHandle gch = GCHandle.Alloc(_bspinfo.BSPUuid, GCHandleType.Pinned);
try
{
res = BioAPI.OK;
if (BSPLoaded)
{
try
{
res = BioAPI.BSPUnload(gch.AddrOfPinnedObject(), (BioAPI.EventHandler)null, IntPtr.Zero);
}
catch (Exception ex)
{
_log.Error(ex);
}
}
if (res == BioAPI.OK)
{
BSPLoaded = false;
res = BioAPI.BSPLoad(gch.AddrOfPinnedObject(), (BioAPI.EventHandler)null, IntPtr.Zero);
if (res == BioAPI.OK)
{
BSPLoaded = true;
res = BioAPI.QueryUnits(gch.AddrOfPinnedObject(), ref DeviceArray, ref deviceCount);
if (res == BioAPI.OK)
{
for (int i = 0; i < deviceCount; i++)
{
int size = Marshal.SizeOf(typeof(bioapi_unit_schema));
unitinfo = (bioapi_unit_schema)Marshal.PtrToStructure(DeviceArray + size * i, typeof(bioapi_unit_schema));
result.Add(unitinfo);
}
}
else
{
throw new Exception("QueryUnits " + res.ToString());
}
}
else
{
throw new Exception("BSPLoad " + res.ToString());
}
}
else
{
throw new Exception("BSPUnload " + res.ToString());
}
}
catch (Exception ex)
{
_log.Error(ex);
}
finally
{
gch.Free();
}
return(result);
}
internal static int Match(uint handle, IdentaZone.IMPlugin.FingerTemplate template,
IEnumerable <IdentaZone.IMPlugin.FingerTemplate> candidates, out List <IdentaZone.IMPlugin.FingerTemplate> matches)
{
matches = new List <IdentaZone.IMPlugin.FingerTemplate>();
uint res = 0;
byte result = 0;
int FMRAchieved = 0;
bioapi_input_bir proc_input_bir = new bioapi_input_bir();
bioapi_input_bir db_input_bir = new bioapi_input_bir();
int birsize = Marshal.SizeOf(typeof(bioapi_bir));
IntPtr dbBirPtr = Marshal.AllocHGlobal(birsize);
IntPtr procBirPtr = Marshal.AllocHGlobal(birsize);
bioapi_bir dbBir, procBir;
IntPtr procBirDataPtr;
procBir = (template as TemplateHi).BirImage.bir_;
procBirDataPtr = Marshal.AllocHGlobal((int)procBir.BiometricData.Length);
try
{
procBir.BiometricData.Data = procBirDataPtr;
procBir.SecurityBlock.Data = IntPtr.Zero;
procBir.SecurityBlock.Length = 0;
procBir.Header.Purpose = BioAPI.PURPOSE_VERIFY;
Marshal.Copy((template as TemplateHi).BirImage.BiometricData, 0, procBirDataPtr, (int)procBir.BiometricData.Length);
Marshal.StructureToPtr(procBir, procBirPtr, false);
proc_input_bir.Form = BioAPI.FULLBIR_INPUT;
proc_input_bir.InputBIR.BIR = procBirPtr;
foreach (TemplateHi finger in candidates)
{
IntPtr dbBirDataPtr;
dbBir = finger.BirImage.bir_;
dbBirDataPtr = Marshal.AllocHGlobal((int)dbBir.BiometricData.Length);
try
{
Marshal.Copy(finger.BirImage.BiometricData, 0, dbBirDataPtr, (int)dbBir.BiometricData.Length);
dbBir.BiometricData.Data = dbBirDataPtr;
dbBir.BiometricData.Length = (uint)finger.BirImage.BiometricData.Length;
dbBir.SecurityBlock.Data = IntPtr.Zero;
dbBir.SecurityBlock.Length = 0;
Marshal.StructureToPtr(dbBir, dbBirPtr, false);
db_input_bir.Form = BioAPI.FULLBIR_INPUT;
db_input_bir.InputBIR.BIR = dbBirPtr;
res = BioAPI.VerifyMatch(handle, 2072, ref proc_input_bir, ref db_input_bir, ref result, ref FMRAchieved);
if (res != BioAPI.OK)
{
throw new Exception("VerifyMatch " + res.ToString());
}
FMRAchieved = (int)res;
}
catch (System.ComponentModel.Win32Exception ex)
{
_log.Error("VerifyMatch " + ex.Message);
}
catch (Exception ex)
{
_log.Error(ex);
}
finally
{
Marshal.FreeHGlobal(dbBirDataPtr);
}
if (result != 0)
{
matches.Add(finger);
}
}
}
catch (Exception ex)
{
_log.Error(ex);
}
finally
{
Marshal.FreeHGlobal(dbBirPtr);
Marshal.FreeHGlobal(procBirPtr);
}
Marshal.FreeHGlobal(procBirDataPtr);
return(matches.Count());
}