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mls-rs

v0.55.2 Growing

An implementation of Messaging Layer Security (RFC 9420)

Apache-2.0 OR MIT Edition 2021 MSRV 1.82.0
CryptographyNo standard library #crypto#cryptography#security#e2ee#mls

Quick Verdict

  • โœ“Actively maintained (updated 26d ago)
  • !Pre-1.0: API may have breaking changes
  • !Heavy dependency tree (40 direct deps)
  • โœ“Permissive license (Apache-2.0 OR MIT)

Security

Checking security advisories...
Downloads
187.2K
Dependents
35
Releases
44
Size
276KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

32.2K downloads in the last 30 days (1.1K/day), up 68% from the previous period.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 2+ years old, mls-rs hasn't reached 1.0 yet. Expect potential API changes between versions.

๐Ÿ“ฆ
Heavy dependency tree

40 direct dependencies. Consider the impact on compile times and supply chain complexity.

๐ŸŒŸ
Used by top crates

Notable dependents include mls-rs-ffi, agntcy-slim-mls, mls-rs-uniffi, mum. When high-quality crates choose mls-rs, it's a strong quality signal.

Health Breakdown

Maintenance 18/25

Recency, release consistency, active ratio

Quality 13/25

Yanked ratio, deps, size, maturity, features

Community 14/20

Reverse deps, ownership, ecosystem

Popularity 6/15

Downloads, momentum, growth trend

Documentation 12/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
667/day avg+84%
05001K2K2K3K4/265/146/16/197/77/24

Top Dependents

Version Adoption

v0.54.0
51%
v0.50.1
20%
v0.51.0
17%
v0.53.0
8%
v0.55.0
3%

Release Timeline

10 releasessince 2025
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Feature Flags

default =["std", "rayon", "rfc_compliant", "tree_index", "fast_serialize"]

pskstd*x509rayon*serdegreasesqlitearbitraryfuzz_utilsqlciphertest_utiltree_index*prior_epochout_of_orderrfc_compliant*benchmark_utilfast_serialize*sqlite-bundledby_ref_proposalcustom_proposalexternal_clientprivate_messagesqlcipher-bundledsecret_tree_accessbenchmark_pq_cryptoself_remove_proposalexport_key_generationgsma_rcs_e2ee_featureprior_epoch_membership_keylast_resort_key_package_extnon_domain_separated_hpke_encrypt_decrypt

README

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Maintainers

Dependencies
40
direct dependencies
Dependents
35
crates depend on mls-rs

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