Mobile Device Secure File Transfer via AES-256 Encryption
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Solution Overview
Problem
Current methods for securely transferring sensitive information between mobile devices lack effective encryption and privacy, making them vulnerable to interception and unauthorized access.
Innovation Solution
The use of AES-256 encrypted file attachments transmitted directly between mobile devices via secure channels like Wi-Fi, NFC, or Bluetooth, with decryption only possible within a specific application using a private key, combined with the Chameleon feature for merchant customization and Big Data collection, and the AskLINDA APP for location-based services.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional communication methods are used for transferring sensitive information, then the transmission process is simple and accessible, but the security and privacy protection are insufficient and vulnerable to interception
Solution Approach 1:
The system performs preliminary encryption of files using AES-256 before transmission and establishes secure communication channels in advance. The encryption keys are prepared and exchanged securely before the actual file transfer, ensuring that even if interception occurs during transmission, the data remains protected due to preliminary encryption measures.
Solution Approach 2:
The patent introduces secure communication protocols and encryption mechanisms as intermediaries between the sending and receiving devices. These intermediaries (encryption layers, secure channels) mediate the data transmission process, adding security without requiring direct complex modifications to the underlying communication infrastructure.
2Reliability
If encryption is implemented to protect sensitive information, then privacy and security are improved, but the complexity of the transmission system increases
Solution Approach 1:
The system uses AES-256 encryption, changing the parameter of data protection strength to provide robust privacy. By standardizing on this specific encryption algorithm with fixed key length, the system achieves strong privacy protection while managing complexity through established cryptographic standards rather than custom complex encryption schemes.
3Productivity
If direct transmission between mobile devices is used, then transmission speed and efficiency are improved, but security vulnerability to interception increases
Solution Approach 1:
The system applies preliminary anti-action by encrypting data before transmission and using secure authentication mechanisms to prevent interception. The encryption layer is established in advance to counter potential interception attempts, allowing direct transmission to maintain its speed advantage while the pre-established security measures neutralize the interception risk.
Data Source
AI summary
Apparatus and associated methods relate to securely transmitting, directly between two mobile devices, AES-256 encrypted file attachments which are decrypted within an application program (APP) using a decryption key that is available only to the APP. In an illustrative embodiment, the encrypted file may be attached to an e-mail. The e-mail may be transmitted directly to another mobile device via direct Wi-Fi, for example. The e-mail may be transmitted directly to another mobile device using Bluetooth, for example. In encrypted attachment may be deciphered only within the APP running on the receiving mobile device using a private key accessible to only the APP.