Mobile Device File Transfer via Identity Matching
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Solution Overview
Problem
Operators of terminals, such as automated teller machines, often face challenges in accessing networks to perform software updates, retrieve performance logs, or transfer files due to network inaccessibility.
Innovation Solution
A mobile device, like a cellular phone, securely transfers encrypted files from a server to a specific terminal by matching identity metadata, including vendor and product identifiers, to ensure accurate delivery via wired or wireless connections, preventing unauthorized uploads.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a terminal operates within a controlled network (e.g., bank network), then network security is maintained, but operators cannot access the network to perform software updates, retrieve performance logs, or transfer files
Solution Approach 1:
The patent introduces a mobile device as an intermediary that bridges the gap between the controlled network environment and external operators. The mobile device connects to the terminal via alternative communication channels (wireless or wired connections) and facilitates file transfers without requiring direct operator access to the bank's controlled network, thus maintaining network security while enabling operational tasks
2Productivity
If the mobile device transfers encrypted files to any terminal, then data transfer speed is improved, but data security and accuracy are compromised
Solution Approach 1:
The patent implements preliminary action by requiring the mobile device to retrieve and verify identity metadata (such as terminal identifiers, cryptographic keys, or authentication tokens) before initiating file transfer. This pre-verification step ensures that encrypted files are only transferred to authorized target terminals, maintaining data security while enabling efficient transfer speeds once authentication is complete
Solution Approach 2:
The system employs feedback mechanisms where the mobile device receives confirmation from the terminal about its identity and authorization status. This feedback loop allows the mobile device to verify whether the target terminal is legitimate before proceeding with the file transfer, thus ensuring data security without significantly impacting transfer speed
3Reliability
If the mobile device performs identity verification before file transfer, then data security is improved, but transfer time increases
Solution Approach 1:
The patent applies preliminary action by having the mobile device retrieve and cache identity metadata from the server before the actual file transfer operation. This pre-fetching and verification of authentication information is performed in advance, so that when file transfer is initiated, the identity verification can be completed quickly using previously obtained credentials, minimizing the time penalty for security checks
Data Source
AI summary
A mobile device, such as a cellular phone, can transfer an encrypted file from a server to a terminal, such as an automated teller machine. The server can specify delivery to a specific terminal. The mobile device can download an encrypted file and identity metadata from at least one server. The mobile device can connect to a terminal, such as wirelessly or via a wired connection such as a universal serial bus (USB). The mobile device can match an identity of the terminal to an identity associated with the identity metadata. For a USB connection, the identity metadata can include a vendor identifier (VID), a product identifier (PID), and a unique terminal identifier. If the identities match, then the mobile device can upload the encrypted file to the terminal. If the identities do not match, then the mobile device can prevent the encrypted file from uploading to the terminal.