Facsimile Voice Authentication for Secure Communication
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Solution Overview
Problem
Facsimile communication systems lack sufficient confidentiality in transmitting and receiving image information, as sub-addresses in F-code communication can be unintentionally revealed to third parties.
Innovation Solution
A communication system comprising a transmitting apparatus and a receiving apparatus that utilize voice information for authentication, where the receiving apparatus permits or rejects image information reception based on the authentication result of a pre-authorized user, enhancing confidentiality through secure facsimile communication over telephone lines.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If F-code communication is used to transmit image information, then communication efficiency is improved, but confidentiality deteriorates due to sub-address revelation
Solution Approach 1:
The system performs voice authentication before transmitting image information. The receiving apparatus authenticates the caller's voice in advance, and only if authentication succeeds does it proceed to receive the image data. This preliminary authentication action prevents unauthorized reception while maintaining efficient F-code communication.
Solution Approach 2:
Voice information serves as an intermediary authentication mechanism between the transmitting and receiving apparatuses. Instead of directly transmitting image information or using sub-addresses that may leak confidentiality, the system introduces voice authentication as an intermediate verification step that confirms the legitimacy of the communication partner.
2Loss of information
If voice authentication is implemented, then confidentiality is improved, but device complexity increases
Solution Approach 1:
The receiving apparatus utilizes its existing voice information communication section, which is a standard component in modern facsimile devices for various communication functions. By repurposing this existing multi-functional component for authentication purposes, the system enhances confidentiality without adding dedicated authentication hardware, thus minimizing the increase in device complexity.
Solution Approach 2:
The system uses the receiving apparatus's own voice information communication section to perform authentication. The apparatus autonomously compares the received voice information with stored voiceprints and makes authentication decisions without requiring external authentication servers or additional complex verification systems.
Data Source
AI summary
A communication system includes a transmitting apparatus and a receiving apparatus that communicates with the transmitting apparatus over a telephone line. The transmitting apparatus includes a first facsimile transmitting section, a first voice-information transmitting section that transmits first voice information that is voice information on a first user, and a first control section. The receiving apparatus includes a second facsimile receiving section, a second voice-information communication section that receives the first voice information, and a second control section. The second control section permits or rejects reception of the image information from the transmitting apparatus via the second facsimile receiving section based on a result of authentication of the first user performed based on the received first voice information and second voice information on a user who is permitted in advance to use the receiving apparatus.