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Encrypted storage of medical data on a grid
L Seitz1, J-M Pierson, L Brunie
1LIRIS, CNRS UMR 5205, INSA de Lyon, av. Jean Capelle, 69621 Villeurbanne cedex, France. ludwig.seitz@liris.cnrs.fr
Methods of Information in Medicine
|June 1, 2005
Summary
This study introduces a secure key management architecture for medical grids, ensuring patient data confidentiality. It enables authorized access to encrypted health data, enhancing security without compromising data sharing.
Area of Science:
- Computer Science
- Medical Informatics
- Cybersecurity
Background:
- Grids are emerging architectures for medical image processing and health-care networks.
- Current access control systems alone do not sufficiently protect confidential patient data stored on grids.
Purpose of the Study:
- To propose a method that enhances the security of confidential data storage on grid architectures.
- To complement existing access control systems for more robust data protection.
Main Methods:
- Storing confidential patient data in encrypted form.
- Implementing a key management architecture using distributed keyservers.
- Utilizing redundant shares of decryption keys stored across keyservers.
Main Results:
- A novel key management architecture is detailed, enabling encrypted data storage while providing authorized users access to necessary decryption keys.
- The architecture ensures secure access to sensitive health information.
Conclusions:
- The proposed architecture significantly enhances the security of confidential data storage on grids.
- It maintains the data sharing capabilities inherent to grid architectures.
- The system is robust against failures and denial-of-service attacks, and it scales effectively.