Fingerprint-Based Encrypted Photography System
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Solution Overview
Problem
Existing mobile terminals lack secure image data protection, as captured images can be easily lost or leaked, compromising classified content.
Innovation Solution
An encrypted photographing method and system based on fingerprint recognition, which generates a key pair using an unlocking fingerprint to encrypt photos, ensuring only the decryption key can access the original image, thereby enhancing security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If image data is made freely accessible on mobile terminals, then ease of operation is improved, but security is worsened
Solution Approach 1:
The patent segments image data into encrypted form stored in a protected system directory, separating accessible preview functionality from secure original data. Users can view images through encrypted previews while original images remain protected, dividing the image data access into different security levels.
Solution Approach 2:
The patent introduces fingerprint recognition technology as an intermediary mechanism between user access and image data. The biometric authentication acts as a mediator that controls access to decryption keys, allowing legitimate users to access images while preventing unauthorized access without compromising user convenience.
2Reliability
If fingerprint recognition encryption is implemented, then security is improved, but device complexity is worsened
Solution Approach 1:
The patent merges fingerprint recognition functionality with the existing camera application, integrating security features directly into the photographing process. The encryption and decryption functions are combined with the camera's normal operation, allowing security enhancement without requiring separate complex security systems.
Solution Approach 2:
The system generates decryption keys automatically based on fingerprint recognition results without requiring manual key management. The encrypted images contain embedded decryption information that enables automatic decryption during viewing, eliminating the need for complex key distribution and management systems.
3Reliability
If encryption keys are generated based on fingerprint recognition, then security is improved, but processing time is worsened
Solution Approach 1:
The patent performs encryption key generation and image encryption during the photographing process itself, before the user needs to view or share the image. By completing security operations in advance during capture, the system avoids time-consuming decryption operations when users need to access images, as decryption only occurs during viewing of already-encrypted images.
Solution Approach 2:
The patent replaces traditional mechanical key management systems with biometric fingerprint recognition. Fingerprint-based key generation is performed once during photographing, and the resulting encrypted images can be quickly decrypted using the embedded decryption keys, reducing overall processing time compared to repeated authentication requirements.
Data Source
AI summary
An encrypted photographing method based on fingerprint recognition, and a system thereof are disclosed. The method may include: when detecting starting an encrypted photographing mode, obtaining an unlocking fingerprint for starting the encrypted photographing mode; when detecting a photographing instruction, generating an original photo and generating a key pair based on the unlocking fingerprint wherein the key pair may include an encryption key and a decryption key; encrypting the original photo according to the encryption key so as to generate an encrypted photo; and generating a corresponding system directory according to the decryption key, and saving the encrypted photo to the generated system directory. The present disclosure improves the security of a photo, and avoids leaking the content of an encrypted photo.