Credit Card Reader Authenticator Using One-Time Password Token
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Solution Overview
Problem
The security of mobile payment systems is compromised when malicious credit card readers are used, as they do not encrypt credit card information, leading to potential financial loss for merchants and customers.
Innovation Solution
A credit card reader authenticator system that uses an authenticator card or one-time password token to verify the authenticity of the credit card reader before processing transactions, ensuring that only authorized devices can encrypt and transmit credit card information, thereby preventing data compromise.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a credit card reader is used without authentication, then transaction processing is simple and fast, but security is compromised and credit card information may be stolen
Solution Approach 1:
The system performs authentication before allowing transaction processing. The authenticator card is swiped through the reader first to verify legitimacy, and only after successful authentication can credit card transactions be processed. This preliminary action ensures security is established before any sensitive operations occur.
Solution Approach 2:
The authenticator card serves as an intermediary element between the user and the credit card reader. It contains authentication credentials that mediate the verification process, allowing the system to confirm the reader's legitimacy without requiring complex cryptographic handshakes or multiple verification steps.
2Reliability
If an authenticator card system is implemented, then security is improved and malicious readers are blocked, but the transaction process becomes more complex and time-consuming
Solution Approach 1:
The system uses a simple, inexpensive authenticator card as a single-use or limited-use authentication medium. The card contains static authentication data that can be quickly read and verified, replacing complex continuous authentication protocols with a simple one-time verification process.
Solution Approach 2:
The system replaces complex electronic authentication protocols with a simple mechanical card-swiping action. The physical act of swiping the authenticator card through the reader triggers an automatic verification process, eliminating the need for users to manually enter codes or perform multiple verification steps.
3Reliability
If authentication is required, then only authorized readers can process transactions, but ease of operation is reduced and user convenience decreases
Solution Approach 1:
The authenticator card serves multiple functions: it authenticates the credit card reader, verifies the merchant's authorization, and enables transaction processing. This single universal credential replaces multiple separate authentication mechanisms, simplifying the user experience while maintaining robust security controls.
Solution Approach 2:
The system enables the authenticator card to self-verify its credentials with the credit card reader without requiring external verification. The card contains embedded authentication data that automatically proves its legitimacy when swiped, eliminating the need for manual verification by support personnel or complex administrative processes.
Data Source
AI summary
A credit card reader is attached to a mobile device to process credit card transactions at the point of sale. In response to detecting attachment of the credit card reader to the mobile device, the credit card reader displays a one-time password for authenticating the credit card reader. The algorithm used to generate the one-time password is synchronized with a user token configured to display one-time passwords. If there is a match between the one-time passwords of the credit card reader and the token, the credit card reader is authentic. Further, if there is a match, the credit card reader may allow the user to process credit card transactions through the credit card reader.