/// <summary>
/// Initializes a new instance of the <see cref="BfdRequest"/> class with a specified best finger detection data received from device.
/// </summary>
/// <param name="bfdContext">The finger data received from device.</param>
/// <exception cref="System.ArgumentNullException"><paramref name="bfdContext"/> is null.</exception>
public BfdRequest(BfdContext bfdContext)
{
ValidateNull(bfdContext, nameof(bfdContext));
AadhaarNumber = bfdContext.AadhaarNumber;
Data = bfdContext.Data;
DeviceInfo = bfdContext.DeviceInfo;
Hmac = bfdContext.Hmac;
KeyInfo = bfdContext.KeyInfo;
Terminal = bfdContext.Terminal;
}
public void EncryptTest()
{
var bfdContext = new BfdContext
{
DeviceInfo = Data.Metadata,
Terminal = Data.PublicTerminal
};
// Test 1: Validate null argument.
Assert.Throws <ArgumentNullException>("key", () => bfdContext.Encrypt(Data.BestFingerInfo, null));
Assert.Throws <ArgumentNullException>("data", () => bfdContext.Encrypt(null, Data.SessionKey));
// Test 2: All fields are set after call.
bfdContext.Encrypt(Data.BestFingerInfo, Data.SessionKey);
Assert.NotNull(bfdContext.AadhaarNumber);
Assert.NotNull(bfdContext.Data);
Assert.NotNull(bfdContext.DeviceInfo);
Assert.NotNull(bfdContext.Hmac);
Assert.NotNull(bfdContext.KeyInfo);
Assert.Equal(Data.PersonalInfo.Timestamp, bfdContext.Timestamp);
// Test 3: DeviceInfo device value are set to NA.
Assert.Equal(Metadata.DeviceNotApplicable, bfdContext.DeviceInfo.IrisDeviceCode);
}
public static async Task BestFingerDetectionAsync()
{
#region Device Level
// Set Best Finger Info
var bestFingerInfo = new BestFingerInfo
{
AadhaarNumber = "999999990019"
};
bestFingerInfo.Fingers.Add(new TestFinger {
Quality = Nfiq.Excellent, NumberOfAttempts = 3, Position = BiometricPosition.LeftIndex, Data = BiometricData
});
bestFingerInfo.Fingers.Add(new TestFinger {
Quality = Nfiq.Excellent, NumberOfAttempts = 4, Position = BiometricPosition.LeftMiddle, Data = BiometricData
});
bestFingerInfo.Fingers.Add(new TestFinger {
Quality = Nfiq.Excellent, NumberOfAttempts = 5, Position = BiometricPosition.LeftRing, Data = BiometricData
});
// Set Device Info
var bfdContext = new BfdContext
{
DeviceInfo = Configuration.Current.DeviceInfo.Create()
};
// Encrypt Data
var sessionKey = new SessionKey(Configuration.Current.UidaiEncryption, false);
await bfdContext.EncryptAsync(bestFingerInfo, sessionKey);
#endregion
#region Device To Agency
// TODO: Wrap DeviceContext{T} into AUA specific protocol and send it to AUA.
// On Device Side:
// var deviceXml = deviceContext.ToXml();
// var wrapped = WrapIntoAuaProtocol(deviceXml);
// On Agency Side:
// var auaXml = UnwrapFromAuaProtocol(wrapped);
// var auaContext = new BfdContext();
// auaContext.FromXml(auaXml);
#endregion
#region Agency Level
// Perform Best Finger Detection
var bfdClient = new BfdClient
{
AgencyInfo = Configuration.Current.AgencyInfo,
Request = new BfdRequest(bfdContext)
{
Signer = XmlSignature
},
Response = new BfdResponse {
Verifier = XmlSignature
}
};
await bfdClient.GetResponseAsync();
Console.WriteLine(string.IsNullOrEmpty(bfdClient.Response.ErrorCode)
? $"Best Finger Is: {bfdClient.Response.Ranks.First().Value}"
: $"Error Code: {bfdClient.Response.ErrorCode}");
#endregion
#region Agency To Device
// TODO: Wrap BfdResponse into AUA specific protocol and send it to device.
#endregion
}
