Matrix End-to-End Encryption Primitives R package mx.crypto version 0.2.2 'Olm' and 'Megolm' encryption ratchet primitives for the 'Matrix' messaging protocol <https://matrix.org/>, wrapping the 'vodozemac' Rust crate. Provides device-key generation, one-time-key management, 1:1 'Olm' sessions, and 'Megolm' group sessions. Pairs with the 'mx.api' package, which handles 'Matrix' HTTP transport. Software Depends: R (>= 4.3) Suggests: tinytest, mx.api (>= 0.2.0), simplermarkdown Troy Hernandez <troy@cornball.ai> Comprehensive R Archive Network (CRAN) Troy Hernandez [aut, cre] (ORCID: <https://orcid.org/0009-0005-4248-604X>), cornball.ai [cph], The Matrix.org Foundation C.I.C. [ctb, cph] (Authors of the bundled 'vodozemac' Rust crate; see inst/AUTHORS), Authors of the dependency Rust crates [ctb] (see inst/AUTHORS for details) MIT + file LICENSE (https://CRAN.R-project.org/package=mx.crypto/LICENSE) Apache License 2.0 2026-09-11 application/tgz https://CRAN.R-project.org/package=mx.crypto doi:10.32614/CRAN.package.mx.crypto