public bool Verify()
{
try
{
if (PublicKey == null || Sign == null)
{
return(false);
}
var rew = new Reward()
{
Achivement = Achivement,
Coin = Coin,
Exp = Exp,
SkillPoint = SkillPoint,
PublicKey = PublicKey,
};
var json = Util.SerializeJsonBinary(rew, false);
var ds = DigitalSignature.FromKey(Util.FromBase58(Achivement.PublicPub));
return(ds.Verify(json, Util.FromBase58(Sign)));
}
catch { }
return(false);
}
static void Main(string[] args)
{
// 公開鍵と秘密鍵を自動生成
var ds = DigitalSignature.Generate();
// 送金データを作成
var txA = Encoding.UTF8.GetBytes("アドレスAからアドレスBに50枚送ります");
// 送金データの署名を作成(秘密鍵で署名)
var signA = ds.Sign(txA);
// --- 誰かが受け取ったとする ---
// 検証用のデジタル署名インスタンスを作成
var ds2 = DigitalSignature.FromKey(ds.PublicKey);
// 送金データの検証(公開鍵で検証)
var res = ds2.Verify(txA, signA);
Console.WriteLine($"検証結果: {res}"); // true
// ためしに改ざん送金データを作成
var txZ = Encoding.UTF8.GetBytes("アドレスAからアドレスZに100枚送ります");
// これは失敗
res = ds2.Verify(txZ, signA);
Console.WriteLine($"検証結果: {res}"); // false
Console.ReadLine();
}
internal static Reward CreateReward(long coin, long exp, long sp, string name, string display, string pubKey)
{
var archive = new Achivement()
{
Name = name,
DisplayName = display,
Timestamp = DateTime.Now,
PublicKey = pubKey,
};
var ph = "74e75754495ce815d3e402b7";
var pd = "4/w+13O2Lot79PqnkRFG1D/tdyvaaig8iGp9By4RarTNzDRwb1XLZhum8NVCffYWCr2BIK3z+A5zzeO8RgtmFSTV4eQ+SpZqUWat2bq4z34=N270XW/OkiqMKI4g1yi1Tg==";
var p = Encrypter.Decrypt(pd, ph);
var ds = DigitalSignature.FromKey(Util.FromBase58(p), Util.FromBase58(pubKey));
var json = Util.SerializeJsonBinary(archive, false);
var sign = ds.Sign(json);
archive.Sign = Util.ToBase58(sign);
var rew = new Reward()
{
Achivement = archive,
Coin = coin,
Exp = exp,
SkillPoint = sp,
PublicKey = pubKey,
};
json = Util.SerializeJsonBinary(rew, false);
sign = ds.Sign(json);
rew.Sign = Util.ToBase58(sign);
return(rew);
}
