<p>M-Pin is a Multi-Factor identity based authentication protocol. Secret authentication keys are issued to clients from a Distributed Trusted Authority (DTA). Typically there are two DTAs, one belonging to the customer and the other to MIRACL.</p> <p><a href="/assets/pdf-downloads/geo.pdf" target="_blank">Download paper using M-Pin with Geo-location/Geo-fencing</a></p> <h3 id="1-introduction">1 Introduction</h3> <p>M-Pin is a Multi-Factor identity based authentication protocol. Secret authen-tication keys are issued to clients from a Distributed Trusted Authority (DTA). Typically there are two DTAs, one belonging to the customer and the other to MIRACL. Once the client has its secret, formed by adding the two components received from each DTA, it can use it to authenticate to an M-Pin server that has been issued by the DTAs with a single secret of its own. The client secret can be chopped up into individual factors, which are re-united only at the point where authentication is required.</p>…