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homomorpheR: Homomorphic Computations in R

Privacy-preserving statistics across sites that never share their data, using fully homomorphic encryption through the 'openfhe.R' interface to OpenFHE (CKKS, BFV, BGV), with n-of-n threshold key generation so that no single party can decrypt. Ships master/worker primitives that let ordinary R modeling code run across sites, and a frozen implementation of the Paillier additive scheme kept for backward compatibility.

Version: 1.0
Depends: R (≥ 3.5.0)
Imports: S7, cli, gmp, openfhe.R, rlang, sodium
Suggests: knitr, kableExtra, rmarkdown, survival, CVXR, tinytest
Published: 2026-10-03
DOI: 10.32614/CRAN.package.homomorpheR
Author: Balasubramanian Narasimhan [aut, cre, cph]
Maintainer: Balasubramanian Narasimhan <naras at stat.Stanford.EDU>
BugReports: https://github.com/bnaras/homomorpheR/issues
License: MIT + file LICENSE
URL: https://bnaras.github.io/homomorpheR/
NeedsCompilation: no
Materials: README, NEWS
CRAN checks: homomorpheR results

Documentation:

Reference manual: homomorpheR.html , homomorpheR.pdf
Vignettes: Threshold Cox with Gaussian Noise (Demonstration) (source, R code)
Distributed Cox Regression with Threshold Key Generation (source, R code)
Distributed Stratified Cox Regression (source, R code)
Consensus ADMM with Gaussian Noise (Demonstration) (source, R code)
Federated Cox-Lasso via Consensus ADMM on DLBCL (source, R code)
Encrypted Logistic Regression Prediction (source, R code)
Introduction to homomorpheR (source, R code)
Distributed Maximum Likelihood Estimation (source, R code)
Precision (source, R code)
Privacy-Preserving Count Aggregation (source, R code)
Distributed Query Count with Threshold Keys (source, R code)
Secure Model Inference on Encrypted Data (source, R code)
Federated Cosine Similarity with Site-Private Fine-Tuned Models (source, R code)

Downloads:

Package source: homomorpheR_1.0.tar.gz
Windows binaries: r-devel: homomorpheR_0.3.zip, r-release: homomorpheR_0.3.zip, r-oldrel: homomorpheR_0.3.zip
macOS binaries: r-release (arm64): homomorpheR_0.3.tgz, r-oldrel (arm64): homomorpheR_0.3.tgz, r-release (x86_64): homomorpheR_1.0.tgz, r-oldrel (x86_64): homomorpheR_1.0.tgz
Old sources: homomorpheR archive

Reverse dependencies:

Reverse imports: distcomp

Linking:

Please use the canonical form https://CRAN.R-project.org/package=homomorpheR to link to this page.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.