public void can_sign_with_timestamp() {
var timedsigner = new TimeStampSigner("testing");
var signed = timedsigner.Sign("hello world");
var unsigned = timedsigner.Unsign(signed);
unsigned.ShouldBe("hello world");
}
public void tampering_with_timestamp_throws() {
var timedsigner = new TimeStampSigner("testing");
var signed = timedsigner.Sign("hello world");
signed = signed.Substring(0, 15) + 3 + signed.Substring(15);
Assert.Throws<BadSignatureException>(() => {
var unsigned = timedsigner.Unsign(signed, 1);
});
}
public void timestamp_age_check_works() {
var timedsigner = new TimeStampSigner("testing");
var signed = timedsigner.Sign("hello world");
Trace.WriteLine(signed);
System.Threading.Thread.Sleep(1100);
Assert.Throws<SignatureExpiredException>(() => {
var unsigned = timedsigner.Unsign(signed, 1);
});
}