Glossary > Privacy > Privacy Technologies > Privacy-Enhancing Technologies

Homomorphic Encryption

Homomorphic encryption is a privacy-enhancing technology that allows computations to be performed on encrypted data without decrypting it first. This means that sensitive information can be processed in encrypted form, maintaining privacy throughout the computation process.

Example #1

For example, a medical researcher could perform calculations on encrypted patient data without accessing the actual data, preserving patient privacy.

Example #2

Similarly, a financial institution could analyze encrypted transaction data without revealing individual transaction details.

Misuse

Misuse of homomorphic encryption could occur if malicious actors attempt to modify the encrypted data during computation, leading to incorrect results or data manipulation. It's crucial to ensure the integrity and authenticity of the encrypted data to prevent such misuse.

Benefits

One of the key benefits of homomorphic encryption is its ability to uphold privacy while allowing for data analysis and computation. This technology enables secure outsourcing of data processing tasks without compromising the confidentiality of the data.

Conclusion

Homomorphic encryption is a valuable tool for protecting sensitive information while still enabling useful computations to be performed. It aligns with CAP's mission to empower consumers and employees by safeguarding their privacy in data processing activities.

Last Modified: 4/30/2024