Patent ID: 8213608
Filing Date: 2012-07-03
Classification: H04L

Abstract:
1. A method for authenticating a user seeking access to information via a network from a user network location (UNL), using a asymmetric crypto-key having a private key (Dx) and a public key (Ex), with Dx split into multiple key portions including a user key portion (Dxx) and a trusted server key portion (Dxs), and with Dxx being computable based on a first factor (F 1 ) and a second factor (F 2 ), the method comprising: persistently storing Dxs, F authenticating the user by (i) receiving, at the UNL, initial authentication information as a user input, (ii) transmitting, from the UNL, the received initial authentication information, (iii) initially authenticating the user, at the trusted server, based on the transmitted initial authentication information, (iv) encrypting, at the trusted server after the initial authentication, the stored F