Updates on HEIR, the Homomorphic Encryption Compiler Project
On 2026-08-14 I published an article on the Google Security blog with an update on HEIR, our homomorphic encryption (HE) compiler. This is a companion article, in which I have no limits on word count or jargon, and I can feel free to be honest. So strap in.
Assuming you won't read the linked corporate blog post, HEIR is a compiler that converts an input program to a program that operates directly on encrypted data.
Assuming you won't read the linked corporate blog post, HEIR is a compiler that converts an input program to a program that operates directly on encrypted data.
Summary
The HEIR project focuses on developing a compiler that allows programs to function directly on encrypted data, enhancing security and privacy. This update provides an in-depth look at its capabilities and the team’s honest insights on the project’s progress.
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