1.openssl / openssl
General purpose TLS and crypto library
- cryptography
- openssl
- encryption
- tls
- ssl
- decryption
+730 stars
from 30,453 · score 6.59
Trending repositories
Ranked by Attention Score: stars gained over the last 90 complete days
31 repositories by Attention Score · Aug 6, 2026 – Nov 3, 2026 (UTC)
2.Mbed-TLS / mbedtls
An open source, portable, easy to use, readable and flexible TLS library, and reference implementation of the PSA Cryptography API. Releases are on a varying cadence, typically around 3 - 6 months between releases.
+219 stars
from 6,831 · score 5.39
+210 stars
from 13,829 · score 5.35
4.BLAKE3-team / BLAKE3
the official Rust and C implementations of the BLAKE3 cryptographic hash function
+176 stars
from 6,331 · score 5.18
5.pyca / cryptography
cryptography is a package designed to expose cryptographic primitives and recipes to Python developers.
- python
- cryptography
+161 stars
from 7,671 · score 5.09
6.wolfSSL / wolfssl
The wolfSSL library is a small, fast, portable implementation of TLS/SSL for embedded devices to the cloud. wolfSSL supports up to TLS 1.3 and DTLS 1.3! Update to wolfSSL 5.9.1 for the latest CVE fixes.
- ssl
- tls
- cryptography
- security
- openssl
- tls13
- +14 more
+95 stars
from 2,889 · score 4.56
7.P-H-C / phc-winner-argon2
The password hash Argon2, winner of PHC
+71 stars
from 5,328 · score 4.28
+57 stars
from 5,466 · score 4.06
9.bitcoin-core / secp256k1
Optimized C library for EC operations on curve secp256k1
+50 stars
from 2,452 · score 3.93
10.RustCrypto / hashes
Collection of cryptographic hash functions written in pure Rust
- cryptographic-hash-functions
- blake2
- gost
- streebog
- groestl
- md2
- +13 more
+47 stars
from 2,241 · score 3.87
+45 stars
from 4,740 · score 3.83
12.brix / crypto-js
JavaScript library of crypto standards.
+44 stars
from 16,355 · score 3.81
13.lestrrat-go / jwx
Complete implementation of JWx (Javascript Object Signing and Encryption/JOSE) technologies for Go. #golang #jwt #jws #jwk #jwe
- jwt
- jwe
- jws
- jwk
- go
- golang
- +1 more
+43 stars
from 2,401 · score 3.78
14.Legrandin / pycryptodome
A self-contained cryptographic library for Python
- cryptography
- security
- python
+40 stars
from 3,246 · score 3.71
+37 stars
from 4,985 · score 3.64
16.digitalbazaar / forge
A native implementation of TLS in Javascript and tools to write crypto-based and network-heavy webapps
- crypto
- cryptography
- x509
- message-digest
- aes
- asn1
- +14 more
+33 stars
from 5,317 · score 3.53
17.krzyzanowskim / CryptoSwift
CryptoSwift is a growing collection of standard and secure cryptographic algorithms implemented in Swift
- swift
- aes
- cryptography
- commoncrypto
- cryptoswift
- md5
- +7 more
+32 stars
from 10,546 · score 3.50
18.phpseclib / phpseclib
PHP Secure Communications Library
+30 stars
from 5,574 · score 3.43
+23 stars
from 4,090 · score 3.18
+21 stars
from 7,784 · score 3.09
21.pallets / itsdangerous
Safely pass trusted data to untrusted environments and back.
- python
- security
- hmac
- serialization
- itsdangerous
- pallets
+20 stars
from 3,120 · score 3.04
+18 stars
from 5,958 · score 2.94
23.tink-crypto / tinkArchived
Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.
- cryptography
- java
- cpp
- go
- objc
- crypto
- +2 more
+17 stars
from 13,519 · score 2.89
+14 stars
from 3,860 · score 2.71
25.travist / jsencrypt
A tiny (18.5 kB gzip), zero-dependency, Javascript library to perform OpenSSL RSA Encryption, Decryption, and Key Generation.
+12 stars
from 6,794 · score 2.56
+8 stars
from 11,198 · score 2.20
27.QuipNetwork / hashsigs-solidity
Solidity contracts implementing hash based post quantum signatures
+8 stars
from 11,197 · score 2.20
28.QuipNetwork / hashsigs-ts
Hash-based signatures in typescript, WOTS+
+3 stars
from 11,179 · score 1.39
29.QuipNetwork / hashsigs-py
The repository host gives no description.
+3 stars
from 11,171 · score 1.39
30.kjur / jsrsasign
CAUTION: END OF SUPPORT ON 14 AUG 2026. The 'jsrsasign' (RSA-Sign JavaScript Library) is an opensource free cryptography library supporting RSA/RSAPSS/ECDSA/DSA signing/validation, ASN.1, PKCS#1/5/8 private/public key, X.509 certificate, CRL, OCSP, CMS SignedData, TimeStamp, CAdES and JSON Web Signature/Token in pure JavaScript.
- asn1
- x509
- certificate
- crl
- ocsp
- timestamp
- +11 more
+3 stars
from 3,366 · score 1.39
31.bitwiseshiftleft / sjcl
[DEPRECATED] Stanford Javascript Crypto Library
+2 stars
from 7,185 · score 1.10