---
title: "Algorithm selection and signature validation failures"
description: "How can you fix the allowed algorithm and test signature rejection cases?"
status: "coming-soon"
language: "en"
canonical: "https://bulnik.dev/en/articles/topics/T03.05/"
topicId: "T03.05"
---

> Coming soon — this article is being prepared. Below are its question, intended outcome, and place in the story.

## The question

How can you fix the allowed algorithm and test signature rejection cases?

## What we will work through

Fix the allowed algorithm and test signature rejection cases.

## Before you begin

Previously covered: Symmetric and asymmetric token signatures.

- [Symmetric and asymmetric token signatures](/en/articles/topics/T03.04/)