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Top Rust Cryptography repositories on GitHub

Crypto primitives, protocols, and zero-knowledge tooling. Filtered to projects whose primary language is Rust.

Ranked by stars across 268 Rust repositories tagged cryptography. Refreshed daily.

  1. 1
    bee-san/Ciphey★ 21,622 · ⑂ 1,442

    ⚡ Automatically decrypt encryptions without knowing the key or cipher, decode encodings, and crack hashes ⚡

    • decryption
    • natural-language-processing
    • cryptography
    • cipher
    • artificial-intelligence
    • ctf-tools
  2. 2
    rustls/rustls★ 7,627 · ⑂ 896

    A modern TLS library in Rust

    • tls
    • cryptography
    • rust
    • ssl
  3. 3
    mimblewimble/grin★ 5,098 · ⑂ 984

    Minimal implementation of the Mimblewimble protocol.

    • mimblewimble
    • rust
    • cryptocurrency
    • cryptography
    • zero-knowledge-proofs
    • grin
  4. 4
    ProvableHQ/snarkOS★ 4,527 · ⑂ 2,695

    A Decentralized Operating System for ZK Applications

    • aleo
    • blockchain
    • cryptography
    • zero-knowledge
    • zksnarks
    • rust
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  6. 5
    freenet/freenet-core★ 3,095 · ⑂ 194

    Declare your digital independence

    • cryptography
    • decentralized
    • distributed-hash-table
    • freenet
    • p2p
    • privacy
  7. 6
    nexus-xyz/nexus-zkvm★ 2,620 · ⑂ 548

    The Nexus zkVM: The zero-knowledge virtual machine

    • cryptography
    • nexus
    • rust
    • snark
    • zero-knowledge
    • zkvm
  8. 7
    cryfs/cryfs★ 2,305 · ⑂ 170

    Cryptographic filesystem for the cloud

    • cryfs
    • osxfuse
    • filesystem
    • crypto
    • cloud
    • encryption
  9. 8
    RustCrypto/hashes★ 2,266 · ⑂ 341

    Collection of cryptographic hash functions written in pure Rust

    • cryptographic-hash-functions
    • blake2
    • gost
    • streebog
    • groestl
    • md2
  10. 9
    zama-ai/tfhe-rs★ 1,663 · ⑂ 338

    TFHE-rs: A Pure Rust implementation of the TFHE Scheme for Boolean and Integer Arithmetics Over Encrypted Data.

    • cryptography
    • homomorphic-encryption
    • rust
    • tfhe
  11. 10
    buckyos/CYFS★ 1,443 · ⑂ 202

    CYFS is the next-generation technology to build real Web3 by upgrading the basic protocol of Web (TCP/IP+DNS+HTTP),is short for CYberFileSystem. https://www.cyfs.com/, cyfs://cyfs/index_en.html.

    • blockchain
    • cryptography
    • named-data-networking
    • p2p
    • rust
    • web3
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  13. 11
    rosenpass/rosenpass★ 1,417 · ⑂ 134

    Rosenpass is a post-quantum-secure VPN that uses WireGuard to transport the actual data.

    • cryptography
    • post-quantum
    • rust
    • vpn
    • wireguard
  14. 12
    noir-lang/noir★ 1,401 · ⑂ 412

    Noir is a domain specific language for zero knowledge proofs

    • cryptography
    • zero-knowledge
    • compiler
    • noir-lang
    • programming-language
  15. 13
    aws/s2n-quic★ 1,372 · ⑂ 189

    An implementation of the IETF QUIC protocol

    • quic
    • rust
    • cryptography
    • s2n
  16. 14
    exonum/exonum★ 1,245 · ⑂ 244

    An extensible open-source framework for creating private/permissioned blockchain applications

    • blockchain
    • rust
    • cryptography
    • bitcoin
    • p2p
    • consensus-algorithm
  17. 15
    zkonduit/ezkl★ 1,222 · ⑂ 212

    ezkl is an engine for doing inference for deep learning models and other computational graphs in a zk-snark (ZKML). Use it from Python, Javascript, or the command line.

    • ai
    • cryptography
    • zero-knowledge
    • zkml
  18. 16
    dalek-cryptography/curve25519-dalek★ 1,193 · ⑂ 599

    A pure-Rust implementation of group operations on Ristretto and Curve25519

    • cryptography
    • elliptic-curves
    • curve25519
    • ristretto
    • montgomery
    • edwards-curve
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  20. 17
    ProvableHQ/snarkVM★ 1,165 · ⑂ 1,560

    A zkVM for Decentralized Private Computations (DPC)

    • rust
    • cryptography
    • blockchain
    • zero-knowledge
    • zkp
    • aleo
  21. 18
    nexus-xyz/nexus-cli★ 1,126 · ⑂ 657

    Command line interface for supplying proofs to the Nexus network.

    • cryptography
    • network
    • rust
  22. 19
    swanandx/lemmeknow★ 1,118 · ⑂ 45

    The fastest way to identify anything!

    • rust
    • rust-lang
    • rust-crate
    • cybersecurity
    • cli
    • cryptography
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Find Rust engineers shipping Cryptography

The list above ranks the most-starred public Rust repositories tagged with the Cryptography topic, drawn from the public GitHub graph. Across 268 matching repositories, the contributors are a tight cluster of engineers with both Rust chops and real Cryptography experience.

That overlap is rare. Most Rust engineers haven’t shipped Cryptography, and most Cryptography maintainers don’t write Rust. The people on this list’s contributor graph are the ones who do both.

Refolk turns this list into a search. Ask for “Rust Cryptography maintainers hiring” or “Rust engineers shipping Cryptography in 2025” and Refolk returns a ranked shortlist with the commits, profiles, and projects behind each name.

How this list is built

Refolk searched GitHub for public Rust repositories tagged with the Cryptography topic, ranked them by stargazer count, and kept those with at least 25 stars. The list refreshes once a day.

Last refreshed: Sun, 20 Sep 2026 14:26:24 GMT

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How are these repositories ranked?

By stars, with forks and recent activity as tiebreakers, read from the public GitHub API. The methodology section above has the details.

How fresh is the data?

The ranking re-renders at least daily. Last refreshed: Sun, 20 Sep 2026 14:26:24 GMT.

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