public void BadSignatureEmptyLength(string badSignature)
{
//Online HMAC tester: https://www.devglan.com/online-tools/hmac-sha256-online
var input = new TestModelInclusive();
var calculator = new HMACSHA256SignatureCalculator();
var sut = new InstanceSignatureBuilder(calculator);
sut.VerifyHex(input, badSignature, knownKey).Should().BeFalse();
}
public void CalculatesSignatureFromKnownArbitraryStrings()
{
// Quote attribution: http://www.cs.yale.edu/homes/perlis-alan/quotes.html
var actual = new HMACSHA256SignatureCalculator()
.Calculate("One man's constant is another man's variable", "Syntactic sugar causes cancer of the semicolon");
// Independently verified online: https://www.devglan.com/online-tools/hmac-sha256-online
actual.SignatureAsHexString().Should().Be("17575fd12f3b1bbda8016357a7ae3d2ed554f2d323d23f887e39c970eb26350c");
}
public void PropertiesImplicitlyIncludedInCalculation()
{
//Online HMAC tester: https://www.devglan.com/online-tools/hmac-sha256-online
const string signature = "8feda6b02259091f6d58b53f5bf5645586fe38694c43d50c4e06f51265ed84a9";
var input = new TestModelInclusive();
var calculator = new HMACSHA256SignatureCalculator();
var sut = new InstanceSignatureBuilder(calculator);
sut.VerifyHex(input, signature, knownKey).Should().BeTrue();
}
public void PropertiesPartialExclusionsWithCalculation()
{
//Online HMAC tester: https://www.devglan.com/online-tools/hmac-sha256-online
var expected = new SignatureCalculation(
"9bac02d1fb108ec1581000627cf4b4edf99976761012a56a44d9bbb4829edba4",
"Field3Ifalistenernodshisheadwhenyou'reexplainingyourprogram,wakehimup.Field42147483647Field5trueField6true"
);
var input = new TestModelPartialExclusions();
var calculator = new HMACSHA256SignatureCalculator();
var sut = new InstanceSignatureBuilder(calculator);
var actual = sut.Compute(input, knownKey);
actual.Should().BeEquivalentTo(expected);
}
public void PropertiesImplicitlyIncludedInCalculation()
{
//Online HMAC tester: https://www.devglan.com/online-tools/hmac-sha256-online
var expected = new SignatureCalculation(
"8feda6b02259091f6d58b53f5bf5645586fe38694c43d50c4e06f51265ed84a9",
"Field1Oneman'sconstantisanotherman'svariable.Field22147483647Field39223372036854775807Field43.4028235E+38Field51.7976931348623157E+308Field69999-12-31T23:59:59.9999999Field7true"
);
var input = new TestModelInclusive();
var calculator = new HMACSHA256SignatureCalculator();
var sut = new InstanceSignatureBuilder(calculator);
var actual = sut.Compute(input, knownKey);
actual.Should().BeEquivalentTo(expected);
}
