Requirements for Web Transaction Security (WTS) include strong … mechanism involving two different channels, … [for] user authentication and the non-repudiation. … [p. 5] @ User submitting the personal details to … [with optional documents] … Authentication Service Provider (ASP) initiates a call to … [user's] … @ User selects the mobile authentication code … [p. 6] @ Service point requests ASP for user … @ ASP initiates a phone call [to the user's mobile] @ User keys in his mobile digital authentication ID and … [displayed] … @ [ASP] Attaches Mobile Digital Transaction Certificate @ …
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