public bool Verify(string identity, string signature)
{
var signedTlsCompressed = FromBase64UrlString(signature);
var signedTlsByte = ZipHelper.Decompress(signedTlsCompressed);
var signedTlsJson = Encoding.UTF8.GetString(signedTlsByte);
var signedTls = JsonConvert.DeserializeObject <SignedTls>(signedTlsJson);
if (signedTls.Identifier != identity)
{
return(false);
}
if (signedTls.AppId != _appId)
{
return(false);
}
var signaturedBytes = Convert.FromBase64String(signedTls.Signature);
var tls = new Tls()
{
AccountType = signedTls.AccountType,
AppId = signedTls.AppId,
AppIdAt3rd = signedTls.AppIdAt3rd,
Expired = signedTls.Expired,
Identifier = signedTls.Identifier,
Time = signedTls.Time
};
return(ShaSigner.VerifySha256ECDSA(tls.ToSignContent(), signaturedBytes, _keyChain.PublicKey));
}
public string Sign(string identity)
{
var tls = new Tls()
{
AccountType = "0",
AppId = _appId,
AppIdAt3rd = "0",
Expired = _expired,
Identifier = identity,
Time = DateTimeOffset.UtcNow.ToUnixTimeSeconds().ToString()
};
var content = tls.ToSignContent();
var signedTls = new SignedTls();
signedTls.CopyFromTls(tls);
signedTls.Signature = Convert.ToBase64String(ShaSigner.SignSha256ECDSA(content, _keyChain.PrivateKey));
var signedTlsJson = JsonConvert.SerializeObject(signedTls);
var signedTlsByte = Encoding.UTF8.GetBytes(signedTlsJson);
var signedTlsCompressed = ZipHelper.Compress(signedTlsByte);
return(ToBase64UrlString(signedTlsCompressed));
}