CATEGORY
Cryptography 6,603 crates
Data as of 2026-07-25 (crates.io database dump, timestamp 2026-07-25T02:00:36Z). Source: crates.io · db-dump.tar.gz · methodology & corrections.
xark-merkleMerkle-tree membership gadget for xark zero-knowledge circuits.30MIT
rtime-ntsNetwork Time Security (NTS, RFC 8915): NTS-KE handshake, AEAD_AES_SIV_CMAC_256, and cookie handling for the rTime NTP daemon30MIT
ananse_wasiDeterministic minimal WASI (WebAssembly System Interface) host for the Ananse zkVM30MIT OR Apache-2.0
web-eidWeb eID client for authentication and signing30Apache-2.0
scllFacade crate for the Simple Card Lifecycle Library. Feature flags select transports and backend (PDD §3.1).30MIT OR Apache-2.0
fcryptCross-platform CLI for password-based file encryption and decryption30MIT
tk-rand-coreNSA-standard CSPRNG string generation core.29MIT
timing-oracle-macrosProc macros for timing-oracle timing side-channel detection29MPL-2.0
quantacore-sdkRust bindings for the QUAC 100 Post-Quantum Cryptographic Accelerator29LicenseRef-Proprietary
bmw-hashPure Rust implementation of Blue Midnight Wish (BMW-512) hash function29MIT
stellar-agent-toolsets-installToolset install/uninstall with cryptographic provenance (SHA-256 + ed25519 publisher signatures) for the Stellar agent wallet.29Apache-2.0
nist-randA high-assurance, FIPS 140-3 and NIST SP 800-90A/B/C compliant Cryptographically Secure Pseudorandom Number Generator (CSPRNG)…29MIT OR Apache-2.0
nostamperBuild and validate Event Timestamp Attestations (kind 1041) for Nostr: a lightweight, trusted-signer event-timestamping primitive…29Apache-2.0
quantumcryptlibPost-quantum secure communication primitives using Kyber KEM and AEAD29MIT
hardcopyGenerate hard copies of keys, certs and secrets.29GPL-3.0
oxpulse-turnTURN/STUN credential generation (coturn REST API compatible HMAC-SHA1) for WebRTC ICE negotiation29AGPL-3.0-or-later
chip_as_codeSemantic Chips — deterministic boolean circuits as text DNA. Parse, evaluate, evolve, and prove policy gates with No-Guess…29MIT OR Apache-2.0
envvaultA secure environment variable management tool with encryption and team collaboration features29GPL-3.0
lys-coreDomain-agnostic cryptographic trust primitives — certificate authority, Merkle transparency log, signed attestations, sealed…29Apache-2.0
zkboo-hmacHMAC primitives for the ZKBoo ecosystem.29LGPL-3.0-or-later
zkboo-profilingProfiling backend for ZKBoo circuits.29LGPL-3.0-or-later
xark-keccakKeccak-256 gadget for xark zero-knowledge circuits.29MIT
heelonvault-coreCore cryptography and storage library for HeelonVault29Apache-2.0
stellar-agent-sep5SEP-5 / BIP-44 HD-path ed25519 key derivation for Stellar.29Apache-2.0
infrix-macrosProcedural macros for Infrix smart contracts29MIT
pkix-aia-httpSynchronous HTTP fetcher for pkix-aia (RFC 5280 §4.2.2.1 caIssuers URIs)29Apache-2.0 OR MIT
trustgrant-discoveryAuthority discovery document parsing and signer binding resolution29MIT OR Apache-2.0
lib189-rs100% rust library placeholder28MIT
spark-zkSPARK: Post-quantum lattice-based zero-knowledge proof engine with SKARF privacy-preserving audit28MIT
fuse-checkersCompliance checker implementations for VCE protocol28Apache-2.0
synta-cmcCMC (Certificate Management over CMS) protocol types — RFC 5272, RFC 640228MIT OR Apache-2.0
hce-fpeLossless, pronounceable, encrypted codec for any identifier — reversible, format-preserving, human-readable28MIT
evidenceType-level tags for cryptographic primitives28MIT OR Apache-2.0
vaid-popVAID proof-of-possession signing primitive (Rust): the canonical JCS→SHA-256→Ed25519 primitive of the verifiable agent-action…28Apache-2.0
xark-secp256r1secp256r1 (P-256) ECDSA-verification gadget for xark zero-knowledge circuits.28MIT
lockbox-cliA secure file encryption CLI tool using Argon2id and ChaCha20-Poly130528MIT
ed25519-wasmEd25519 signatures for WebAssembly backed by linked lib25519 code28MIT
kangoufuA strictly compliant, no_std portable WebAuthn Relying Party implementation.28MIT OR Apache-2.0
qkd-clientETSI GS QKD 014 client with zero-knowledge VRF, Byzantine consensus, and post-quantum signatures28MIT
agent-governancePublic Preview — Rust SDK for the Agent Governance Toolkit (policy, trust, audit, identity)28MIT
aap-protocolAgent Accountability Protocol — Rust SDK28MIT
xark-aesAES-128/256 block cipher, CTR, and GCM gadgets for xark zero-knowledge circuits.28MIT
xark-grumpkinGrumpkin curve gadget for xark zero-knowledge circuits.28MIT
xark-mimcMiMC hash gadget for xark zero-knowledge circuits.28MIT
xark-pedersenPedersen hash and commitment gadget for xark zero-knowledge circuits.28MIT
xark-secp256k1secp256k1 ECDSA-verification gadget for xark zero-knowledge circuits.28MIT
xark-sha256SHA-256 gadget for xark zero-knowledge circuits.28MIT
xark-blake2sBLAKE2s gadget for xark zero-knowledge circuits.28MIT
xark-blake3BLAKE3 gadget for xark zero-knowledge circuits.28MIT
uli-consensusFast HotStuff BFT consensus engine with pipelined voting.28AGPL-3.0-only
trustgrant-revocationRevocation state management and proof verification for the TrustGrant protocol28MIT OR Apache-2.0
burn-after-readingContainer that erases memory after it's been read28MIT OR Apache-2.0
elara-verifyElara Protocol offline verifier: record/receipt checks, account-SMT walk binding, anchor-pinned seal verification, agent-mandate…28MIT OR Apache-2.0
dusk-rusk-testTest utilities for Rusk27MPL-2.0
lattice-safePost-quantum cryptography suite — ML-DSA (FIPS 204) + FN-DSA (FIPS 206) + ML-KEM (FIPS 203)27MIT
halo2-axiom-gpuA Halo2 proving and verifying crate with a CUDA-accelerated KZG prover on BN254.27MIT OR Apache-2.0
quickcryptFast, offline encryption & key management. No cloud. No complexity. Military-grade security.27MIT
pq-safe-kyberFork of pqc_kyber with some safety fixes27MIT/Apache-2.0
yubituiA blazingly fast, intelligent TUI for YubiKey management27MIT OR Apache-2.0
pq-key-fingerprintGenerate fingerprints/hashes of PQ public keys27MIT
qhermes-kernelQHermes 26 — post-quantum delegation chain primitives (ML-DSA-65, HKDF-SHA3-512)27LicenseRef-Copertino-1.0
qhermes-channelsQHermes 26 — post-quantum encrypted channels (ML-KEM-768, ChaCha20-Poly1305)27LicenseRef-Copertino-1.0
veil-tee-coreCore traits and types for veil TEE abstraction27MIT
isccISCC - International Standard Content Code (ISO 24138:2024)27Apache-2.0
oxitls-native-certsOxiTLS OS-native certificate-store adapter (Security.framework / SChannel FFI, opt-in quarantine crate)27Apache-2.0
classical-ciphersClassical cipher implementations: Caesar, Vigenère, Atbash, XOR27BSD-2-Clause
xades-pkcs11PKCS#11 hardware signing for the xades crate27Apache-2.0
pokerproofProvably fair Texas Hold'em poker engine with cryptographic verification27MIT
xcqaDictionary-based cryptosystem with zero-knowledge proof signatures27MIT
pagedbEncrypted, portable, embedded page store with B+ tree and segment-file surfaces.27MIT OR Apache-2.0
arturoMinimal op-conductor rewrite using commonware ordered_broadcast27MIT
solana-actorCore credential provider traits for Solana signing and transaction submission27Apache-2.0
qcoin-nodeFull node implementation and network protocol for qcoin blockchain27BSD-3-Clause
xfere2e encrypted transfer protocol for agents27AGPL-3.0-only
env-shieldEncrypted local vault that replaces plaintext .env files27MIT
qcp-edgeQCP envelope verification: Ed25519 + ML-DSA-65 hybrid post-quantum attestation. WASM-compatible, no_std, deterministic. The…27AGPL-3.0-or-later
h33-mcpH33 Model Context Protocol server — exposes the H33 post-quantum substrate, biometric auth, ZK proofs, triple-key signing,…27LicenseRef-Proprietary
oint-keysA Simple Standard Cryptography-Suite For Web 3.20, offering cryptographic abstraction (Generic Signing/Verifying, Generic…27Apache-2.0 OR MIT
xark-ed25519Ed25519 scalar multiplication and EdDSA verification gadget for xark circuits.27MIT
opaque-rsA Rust implementation of the OPAQUE protocol for secure password authentication.27MIT
gpg-inspector-libA library for parsing and inspecting OpenPGP (GPG) packets according to RFC 4880 and RFC 958027MIT
uli-clientReserved — lightweight client library.27AGPL-3.0-only
trustgrant-portsBackend-agnostic port traits for the TrustGrant protocol (storage, discovery, revocation sources)27MIT OR Apache-2.0
webrisk_hashURL canonicalization and hashing for Google Web Risk API26MIT
slient_layerCompression-resistant steganography library for images and audio26Apache-2.0
n01d-forgeSecure Cross-Platform Image Burner with AES-256 Encryption - Write ISOs to USB drives with optional encryption26MIT
xdigest-sysExtremely fast digest algorithm implementations packaged into a lightweight library.26Apache-2.0
purecrypto-tpmA pure-Rust TPM 2.0 stack — wire protocol, sessions and sealing over the Linux device or simulator, with no foreign code.26MIT
yts3YouTube as S3 — encode arbitrary files into lossless video for cloud storage26MIT
frost-ed25519-blake2bA Schnorr signature scheme over Ed25519 that supports FROST.26MIT OR Apache-2.0
lazarus-receiptsLazarus Receipts SDK - Cryptographic receipt verification26Apache-2.0
intentrailRust SDK for creating, validating, and verifying IntentRail manifests26MIT
threshold-pairingPairing threshold cryptography26MIT OR Apache-2.0
h33-clientH33.ai REST API client — async, typed responses, post-quantum attestation verification26MIT
noctahashMemory-hard password hashing algorithm designed to resist GPU, ASIC, and side-channel attacks26MIT
rotorix-coreEnigma-inspired transformation pipeline with explicit state and pluggable components26MIT
viaticumDecentralized P2P cold backup with trust protocol — name reserved, active development.26MIT OR Apache-2.0
agent-vaultZero-trust credential manager for AI agents26MIT
xcalgoXCA: Topological Data Analysis Cryptosystem - Novel encryption based on graph homomorphisms and persistent homology26MIT
zano-verifyPure-Rust verifier for Zano's confidential-transaction cryptography (Pedersen commitments, Bulletproofs+, d/v-CLSAG)26MIT
neco-argon2minimum dependency Argon2id password hashing with Blake2b26MIT
licensegatelicensegate client: offline verification of license keys, activation receipts, and CRLs26MIT OR Apache-2.0
pkix-compositeComposite signature verifier for pkix-path (draft-ietf-lamps-pq-composite-sigs)26Apache-2.0 OR MIT
circomkit-rsA Circom testing & development environment for Rust25MIT
zrtpRFC 6189 ZRTP protocol core, crypto helpers, and embeddable engine25BSD-2-Clause
flamberge-schemesPer-scheme DRM removal for Flamberge, composing formats + keys + crypto25MIT
mismallStreaming Huffman compression library with AES-256-GCM encryption and archive support25MIT
noxsshLightweight SSH-2 client in Rust using NoxTLS cryptographic primitives.25GPL-2.0-only OR LicenseRef-Argenox-Commercial-License
nacryptA secure and easy-to-use file encryption utility25Apache-2.0
x402-cdpUnofficial CDP (Coinbase Developer Platform) facilitator client for x402 pay-per-request payments in Rust25MIT
zkpushThis package name is reserved by the ZKPush project as a defensive registration. It will never be published with functional code.…25Apache-2.0
passay-rsA password validation library inspired by the Java Passay library.25MIT OR Apache-2.0
pq-xmldsigXML Digital Signatures with ML-DSA25MIT
rust-signDocument signing library using BLAKE3 hashing and Ed25519 signatures25MIT
foodshare-cryptoCryptographic utilities for webhook verification and HMAC25MIT
incomplete-rexlPure-Rust modular arithmetic and NTT library with AVX-512 acceleration25Apache-2.0
nexusvaultZero-dependency secrets management for Rust applications25Apache-2.0
shadow-networkCovert peer-to-peer communication infrastructure with steganography, onion routing, and traffic analysis resistance25MIT
wallet-generator-cliBIP39 mnemonic generator with Shamir secret sharing and vanity address search25MIT
tokaCapability-bounded stack VM for secure distributed computing25MIT OR Apache-2.0
eth-idZero-Knowledge Document Verification CLI and Library25MIT
sigillum-fido2FIDO2 hardware key unlock and Shamir secret sharing for Sigillum25MIT OR Apache-2.0
zkpush-recipient-mcpThis package name is reserved by the ZKPush project as a defensive registration. It will never be published with functional code.…25Apache-2.0
pqc-rs-hpkeHPKE with ML-KEM and post-quantum/traditional hybrid key encapsulation for PQC-rs.25Apache-2.0 OR MIT
uli-cliCommand-line interface for account management and chain interaction.25AGPL-3.0-only
uli-codecDeterministic binary serialization codec for the ULI protocol.25AGPL-3.0-only
uli-coreReserved — core protocol re-exports.25AGPL-3.0-only
totpyxMinimal, dependency-free RFC 6238 TOTP implementation24Apache-2.0
enigmarHigh-performance Enigma Machine simulator (M3/M4) with Python bindings24MIT
waterscapePrivate communication layer for AI agents.24MIT
clawrtcRustChain RTC miner client — hardware attestation, Ed25519 wallets, and Proof-of-Antiquity mining24MIT
fidoriumA FIDO2/CTAP2 authenticator daemon for Linux backed by TPM 2.024MIT OR Apache-2.0
cm-email-webhook-verificationSDK for verifying CM Email webhook signatures24MIT
pq-algorithm-idAlgorithm identifier mappings (JOSE, COSE, X.509)24MIT
pq-cert-verifyVerify PQ X.509 certificate chains24MIT
pq-cert-parseParse PQ certificates (read-only)24MIT
pq-pkcs8PKCS#8 private key encoding for PQ24MIT
siglogA minimal Tessera-compatible transparency log server24BSD-3-Clause
pq-tls-clientTLS 1.3 client with PQ support24MIT
pq-webauthnServer-side WebAuthn with ML-DSA24MIT
zkmcu-host-genGenerates Groth16/BN254 test vectors in EIP-197 format via arkworks, for use by zkmcu-vectors24MIT OR Apache-2.0
veil-coreCore traits and types for veil TEE abstraction24MIT
uor-addr-1Pure-UOR content addressing for JSON-serialisable payloads — the JCS-RFC8785+NFC+SHA-256 transform as a Prism application of the…24Apache-2.0
taproot-assets-zk-verifierRust verifier for Taproot Assets zero-knowledge proofs24MIT OR Apache-2.0
dreamwell-launcherDreamwell Launcher — bootstrapper and package manager for all Dreamwell products24Apache-2.0
eskEncrypted Secrets Keeper with multi-target deploy24non-standard
mpc-wallet-relayMessage relay service for MPC agent wallet with approval flows24MIT OR Apache-2.0
elizaos-plugin-secrets-managerMulti-level secrets management plugin for elizaOS with encryption and dynamic plugin activation24MIT
tower-webflowtower-webflow is a crate that simplifies validating webhooks received from Webflow24MIT
sslxThe modern way to work with certificates and TLS24MIT
x509-certificate-printerParse and print X.509 certificate information in human-readable and PEM formats.24MIT
rencRust Encryption Engine compatible with the zenc file format24MIT OR Apache-2.0
payload-loaderProduction-ready Rust loader with cryptography, configuration, and security features24MIT
p3ak-vaultP3AK vault CLI — encrypted portable AI knowledge store. Create, ingest, search, and serve .vault files. 35 formats, hybrid…24MIT
veil-sdkRust SDK for the Mugen Veil verifiable inference network24MIT
zkpush-sender-rustThis package name is reserved by the ZKPush project as a defensive registration. It will never be published with functional code.…24Apache-2.0
zkpush-cryptoName reserved by the ZKPush project. Real publishes land here — see https://github.com/zkpush/zkpush-sdk24Apache-2.0
zkpush-senderName reserved by the ZKPush project. Real publishes land here — see https://github.com/zkpush/zkpush-sdk24Apache-2.0
zkpush-recipientName reserved by the ZKPush project. Real publishes land here — see https://github.com/zkpush/zkpush-sdk24Apache-2.0
zkpush-recipient-binaryName reserved by the ZKPush project. Real publishes land here — see https://github.com/zkpush/zkpush-sdk24Apache-2.0
zkpush-sender-binaryName reserved by the ZKPush project. Real publishes land here — see https://github.com/zkpush/zkpush-sdk24Apache-2.0
zkpush-sender-mcpThis package name is reserved by the ZKPush project as a defensive registration. It will never be published with functional code.…24Apache-2.0
tide-fn-dsaTidecoin umbrella package for FN-DSA, PQClean Falcon, and Tidecoin legacy Falcon support24Unlicense
zkpush-recipient-rustThis package name is reserved by the ZKPush project as a defensive registration. It will never be published with functional code.…24Apache-2.0
ggen-receiptCryptographic receipt system for ggen operations24MIT
mriynyk-merkleMerkle tree utilities for EVM.24MIT OR Apache-2.0
softcopySibling project to 'hardcopy'; used to convert back into keys/certs/etc.24GPL-3.0
sshvaultEnd-to-end-encrypted sync for SSH workflows: hosts, config, snippets, port-forwards24MIT OR Apache-2.0
uliULI - Universal Ledger Identity. Sovereign L1 for decentralized identity and ZK infrastructure. Mainnet crates land here soon.24AGPL-3.0-only
trustgrant-ownershipOwnership authority transition verification for the TrustGrant protocol24MIT OR Apache-2.0
mere-proofsTyped digests, commitments, blob references, and proof envelopes for Mere domains.24MPL-2.0
real_time_md_editor_apiServes a Rust Actix‑Web backend to Implement the WebSocket sync logic,oauth2 and jsonwebtoken crates, DB.23MIT
mpc-coreA flexible, trait-based core framework and asynchronous execution engine for Multi-Party Computation (MPC) protocols.23MIT OR Apache-2.0
supplicant-rsPure Rust WPA supplicant: WPA2/WPA3, EAP, 802.1X. Memory-safe replacement for wpa_supplicant.23Apache-2.0
cosmian_rust_nist_ec_providerPure-Rust NIST elliptic-curves provider.23BUSL-1.1
nullsec-discord-shieldDiscord token hardening and anti-theft protection - Monitors, encrypts, and protects Discord tokens from stealers and grabbers23MIT
jitterbugA true random number generator based on CPU execution jitter.23AGPL-3.0-or-later
mini-bitcoin-scriptMinimal, protocol-accurate Bitcoin Script parsing and execution engine23MIT OR Apache-2.0
pq-test-vectorsNIST test vectors as importable fixtures23MIT
pq-key-strengthCompare classical vs PQ security levels23MIT
pq-size-calculatorCalculate signature/ciphertext/key sizes for each algorithm23MIT
pq-wasmBrowser-ready WASM build of core PQ algorithms23MIT
heccHiding erasure-correcting codes (HECC) from MCP whitepaper23MIT
pq-jwkJWK serialization for PQ keys23MIT
agentwallet-sdkNon-custodial wallet SDK for autonomous AI agents. On-chain spend limits, x402 payments, multi-chain support.23MIT
rustywallet-silentSilent Payments (BIP352) for rustywallet23MIT
pq-spkiSubjectPublicKeyInfo encoding for PQ23MIT
pq-hpkeHybrid Public Key Encryption with ML-KEM23MIT
pq-eciesECIES-style encryption with Kyber23MIT
pq-noiseNoise protocol patterns with PQ23MIT
pq-kem-combinerSecurely combine multiple KEMs23MIT
pq-ssh-agentSSH agent protocol with PQ keys23MIT
pq-kerberosKerberos ticket handling with PQ23MIT
pq-quic-cryptoQUIC crypto layer with PQ23MIT
pq-coseCBOR Object Signing with PQ23MIT
pq-cmsCryptographic Message Syntax with PQ23MIT
pq-pkcs7PKCS#7 signatures with PQ23MIT
pq-rngDeterministic RNG for PQ (testing)23MIT
pq-solana-signerSolana transaction signing with PQ23MIT
pq-bitcoin-taprootTaproot-compatible PQ signatures23MIT