Monocypher is a compact, portable, opinionated, fast crypto library.

This report describes the results of a cryptography audit carried out by Cure53 against the Monocypher library in version 3.1.1. The work was requested by the Monocypher maintainers . Cure53 completed the project in late June 2020.

Cure53 examined the Monocypher 3.1.1. Version, available as a downloadable tarball for auditing purposes. The methodology in use was white-box, which stems from the nature of the project and all relevant code being available as Open Source.

The full report and summary of findings can be found below.

Monocypher Audit Report