public void When_Passing_JsonWeb_Key_Used_For_The_Signature_With_Ec_Key_Then_JsonWeb_Key_Is_Returned()
{
// ARRANGE
var xCoordinate = "x_coordinate".Base64Encode();
var yCoordinate = "y_coordinate".Base64Encode();
InitializeFakeObjects();
var jsonWebKey = new Dictionary <string, object>
{
{
Constants.JsonWebKeyParameterNames.KeyTypeName,
Constants.KeyTypeValues.EcName
},
{
Constants.JsonWebKeyParameterNames.KeyIdentifierName,
"kid"
},
{
Constants.JsonWebKeyParameterNames.UseName,
Constants.UseValues.Signature
},
{
Constants.JsonWebKeyParameterNames.EcKey.XCoordinateName,
xCoordinate
},
{
Constants.JsonWebKeyParameterNames.EcKey.YCoordinateName,
yCoordinate
}
};
var jsonWebKeySet = new JsonWebKeySet
{
Keys = new List <Dictionary <string, object> >
{
jsonWebKey
}
};
var cngKeySerialized = new CngKeySerialized
{
X = xCoordinate.Base64DecodeBytes(),
Y = yCoordinate.Base64DecodeBytes()
};
var serializer = new XmlSerializer(typeof(CngKeySerialized));
var serializedKeys = string.Empty;
using (var writer = new StringWriter())
{
serializer.Serialize(writer, cngKeySerialized);
serializedKeys = writer.ToString();
}
// ACT & ASSERTS
var result = _jsonWebKeyConverter.ExtractSerializedKeys(jsonWebKeySet);
Assert.NotNull(result);
Assert.True(result.Count() == 1);
Assert.True(result.First().SerializedKey == serializedKeys);
}
private string ExtractEcKeyInformation(Dictionary <string, object> information)
{
var xCoordinate = information.FirstOrDefault(i => i.Key == Constants.JsonWebKeyParameterNames.EcKey.XCoordinateName);
var yCoordinate = information.FirstOrDefault(i => i.Key == Constants.JsonWebKeyParameterNames.EcKey.YCoordinateName);
if (xCoordinate.Equals(default(KeyValuePair <string, object>)) ||
yCoordinate.Equals(default(KeyValuePair <string, object>)))
{
throw new InvalidOperationException(ErrorDescriptions.CannotExtractParametersFromJsonWebKey);
}
byte[] xCoordinateBytes,
yCoordinateBytes;
try
{
xCoordinateBytes = xCoordinate.Value.ToString().Base64DecodeBytes();
yCoordinateBytes = yCoordinate.Value.ToString().Base64DecodeBytes();
}
catch (Exception)
{
throw new InvalidOperationException(ErrorDescriptions.OneOfTheParameterIsNotBase64Encoded);
}
var cngKeySerialized = new CngKeySerialized
{
X = xCoordinateBytes,
Y = yCoordinateBytes
};
var serializer = new XmlSerializer(typeof(CngKeySerialized));
using (var writer = new StringWriter())
{
serializer.Serialize(writer, cngKeySerialized);
return(writer.ToString());
}
}
