public static string Create <T> (T body, string request) where T : new()
{
var headerStr = Base64.Base64.FromString(JsonUtility.ToJson(headerStruct));
var payloadStr = Base64.Base64.FromString(JsonUtility.ToJson(body));
var signature = Base64.Base64.FromBytes(SHA_2.Sha256Bytes(headerStr + "." + payloadStr, request));
var unpaddedSignature = Base64.Base64.Unpadded(signature);
return(headerStr + "." + payloadStr + "." + unpaddedSignature);
}
public static T Read <T> (string data, string request) where T : new()
{
var datas = data.Split('.');
if (datas.Length != 3)
{
return(new T());
}
var headerStr = datas[0];
var payloadStr = datas[1];
var signature = datas[2];
var generatedSignatureBytes = SHA_2.Sha256Bytes(headerStr + "." + payloadStr, request);
var encodedSignature = Base64.Base64.FromBytes(generatedSignatureBytes);
var uppaddedEncodedSignature = Base64.Base64.Unpadded(encodedSignature);
if (signature == uppaddedEncodedSignature)
{
return(JsonUtility.FromJson <T>(Base64.Base64.ConvertToStr(payloadStr)));
}
return(new T()); // return empty object if value is not matched with sign.
}