chromium/third_party/shell-encryption/README.chromium

Name: Simple Homomorphic Encryption Library with Lattices
URL: https://github.com/google/shell-encryption
Version: f94f58852e9b3edaf2766e348a69a70f596bb9dd
Revision: f94f58852e9b3edaf2766e348a69a70f596bb9dd
License: Apache Version 2.0
License File: src/LICENSE
Security Critical: yes
Shipped: yes

Description: This project is a library for fully-homomorphic symmetric-key
encryption. It uses Ring Learning with Errors (RLWE)-based encryption to make it
possible to both add and multiply encrypted data. It uses modulus-switching to
enable arbitrary-depth homomorphic encryption (provided sufficiently large
parameters are set). RLWE is also believed to be secure in the face of quantum
computers.

Local Modifications:

Applying local modifications live in //third_party/shell-encryption/patches/
can be done by running the following commands:

$ export SHELL_PATH=<path-to-chromium>/src/third_party/shell-encryption
$ for patch in $SHELL_PATH/patches/*; do patch -s -p1 < $patch; done

In case of conflict, update those patches accordingly and save them back in
//third_party/shell-encryption/patches/.