public void ConvertBackAndForth()
{
var converter = new UnblindedSignatureJsonConverter();
using var r = new Key();
using var key = new Key();
var signer = new Signer(key);
foreach (var i in Enumerable.Range(0, 100))
{
var requester = new Requester();
var message = new byte[256];
Random.NextBytes(message);
var blindedMessage = requester.BlindMessage(message, r.PubKey, key.PubKey);
var blindSignature = signer.Sign(blindedMessage, r);
var unblindedSignature = requester.UnblindSignature(blindSignature);
var sb = new StringBuilder();
using var writer = new JsonTextWriter(new StringWriter(sb));
converter.WriteJson(writer, unblindedSignature, null);
using var reader = new JsonTextReader(new StringReader(sb.ToString()));
var convertedUnblindedSignature = (UnblindedSignature)converter.ReadJson(reader, null, null, null);
Assert.Equal(unblindedSignature.C, convertedUnblindedSignature.C);
Assert.Equal(unblindedSignature.S, convertedUnblindedSignature.S);
}
}
public void DetectInvalidSerializedMessage()
{
var json = "[ '999999999999999999999999999999999999999999999999999999999999999999999999999999'," + // 33 bytes (INVALID)
" '999999999999999999999999999']";
using var reader = new JsonTextReader(new StringReader(json));
var converter = new UnblindedSignatureJsonConverter();
var ex = Assert.Throws <FormatException>(() => converter.ReadJson(reader, null, null, null));
Assert.Contains("longer than 32 bytes", ex.Message);
}