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General-purpose library for TLS and cryptographic operations.

HElib is an open-source software library that implements homomorphic encryption. It supports the BGV scheme with bootstrapping and the Approximate Number CKKS scheme. HElib also includes optimizations for efficient homomorphic evaluation, focusing on effective use of ciphertext packing techniques and on the Gentry-Halevi-Smart optimizations.

Popularity

Repository stars31,163Highest3,255

7-day net stars——

Fork11,571Highest758

30-day trendInsufficient historyInsufficient history

Maintenance

Last push2026-11-022024-08-01

Maintenance notesUnknownNot verified

Repository created2013-01-152013-04-05

License & use

LicenseApache-2.0 · PermissiveLicense not declared

License sourceLicense sourceLicense source

PricingPricing not verifiedPricing not verified

Basics

Browse by purposeEncryptionEncryption

TypeFrameworks & SDKsFrameworks & SDKs

SubcategoryAuth & permissionsAlgorithms & utility libraries

PlatformNot verifiedNot verified

Cost detailsVerify software, hosting, model and infrastructure costs against the current official documentation.Check current official software, hosting, model and infrastructure pricing.

Pricing source——

First collected2026-11-022026-11-03

MetricRepository Stars, not unique usersRepository stars, not unique users or individual-skill installs

LanguageCC++

About this projectGeneral-purpose library for TLS and cryptographic operations.HElib is an open-source software library that implements homomorphic encryption. It supports the BGV scheme with bootstrapping and the Approximate Number CKKS scheme. HElib also includes optimizations for efficient homomorphic evaluation, focusing on effective use of ciphertext packing techniques and on the Gentry-Halevi-Smart optimizations.

Repositoryopenssl / opensslhomenc / HElib

Measured at2026-11-02 19:26 UTC2026-11-02 19:00 UTC

License tiers are derived from metadata. Check obligations for your use; unknown does not mean prohibited. Ranked by repository stars, one position per repository. Stars and forks are not user counts.