1.openssl / openssl
General purpose TLS and crypto library
- cryptography
- openssl
- encryption
- tls
- ssl
- decryption
+328 stars
from 30,855 · score 5.80
Trending repositories
Ranked by Attention Score: stars gained over the last 30 complete days
39 repositories by Attention Score · Oct 5, 2026 – Nov 3, 2026 (UTC)
+76 stars
from 13,963 · score 4.34
3.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.
+76 stars
from 6,974 · score 4.34
4.BLAKE3-team / BLAKE3
the official Rust and C implementations of the BLAKE3 cryptographic hash function
+61 stars
from 6,446 · score 4.13
5.pyca / cryptography
cryptography is a package designed to expose cryptographic primitives and recipes to Python developers.
- python
- cryptography
+40 stars
from 7,792 · score 3.71
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
+29 stars
from 2,955 · score 3.40
7.P-H-C / phc-winner-argon2
The password hash Argon2, winner of PHC
+22 stars
from 5,377 · score 3.14
8.RustCrypto / hashes
Collection of cryptographic hash functions written in pure Rust
- cryptographic-hash-functions
- blake2
- gost
- streebog
- groestl
- md2
- +13 more
+22 stars
from 2,266 · score 3.14
9.Legrandin / pycryptodome
A self-contained cryptographic library for Python
- cryptography
- security
- python
+21 stars
from 3,265 · score 3.09
+20 stars
from 5,503 · score 3.04
+19 stars
from 4,766 · score 3.00
12.bitcoin-core / secp256k1
Optimized C library for EC operations on curve secp256k1
+18 stars
from 2,484 · score 2.94
13.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
+17 stars
from 5,333 · score 2.89
14.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
+16 stars
from 2,428 · score 2.83
+12 stars
from 5,010 · score 2.56
16.B-Con / crypto-algorithms
Basic implementations of standard cryptography algorithms, like AES and SHA-1.
+11 stars
from 2,043 · score 2.48
17.phpseclib / phpseclib
PHP Secure Communications Library
+10 stars
from 5,594 · score 2.40
18.libtom / libtomcrypt
LibTomCrypt is a fairly comprehensive, modular and portable cryptographic toolkit that provides developers with a vast array of well known published block ciphers, one-way hash functions, chaining modes, pseudo-random number generators, public key cryptography and a plethora of other routines.
- libtomcrypt
- cryptography
- c
- encryption
+10 stars
from 1,791 · score 2.40
19.brix / crypto-js
JavaScript library of crypto standards.
+9 stars
from 16,390 · score 2.30
+8 stars
from 4,105 · score 2.20
21.cossacklabs / themis
Easy to use cryptographic framework for data protection: secure messaging with forward secrecy and secure data storage. Has unified APIs across 14 platforms.
- cryptography-library
- cryptography
- security
- golang
- ios
- swift
- +14 more
+8 stars
from 1,975 · score 2.20
22.kmackay / micro-ecc
ECDH and ECDSA for 8-bit, 32-bit, and 64-bit processors.
+8 stars
from 1,436 · score 2.20
+5 stars
from 5,971 · score 1.79
+5 stars
from 1,503 · score 1.79
25.QuipNetwork / hashsigs-solidity
Solidity contracts implementing hash based post quantum signatures
+4 stars
from 11,201 · score 1.61
26.krzyzanowskim / CryptoSwift
CryptoSwift is a growing collection of standard and secure cryptographic algorithms implemented in Swift
- swift
- aes
- cryptography
- commoncrypto
- cryptoswift
- md5
- +7 more
+4 stars
from 10,574 · score 1.61
+4 stars
from 7,801 · score 1.61
28.travist / jsencrypt
A tiny (18.5 kB gzip), zero-dependency, Javascript library to perform OpenSSL RSA Encryption, Decryption, and Key Generation.
+4 stars
from 6,802 · score 1.61
29.pallets / itsdangerous
Safely pass trusted data to untrusted environments and back.
- python
- security
- hmac
- serialization
- itsdangerous
- pallets
+4 stars
from 3,136 · score 1.61
30.DaGenix / rust-crypto
A (mostly) pure-Rust implementation of various cryptographic algorithms.
+4 stars
from 1,453 · score 1.61
31.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
+2 stars
from 13,534 · score 1.10
32.QuipNetwork / hashsigs-ts
Hash-based signatures in typescript, WOTS+
+2 stars
from 11,180 · score 1.10
33.signalapp / libsignal-protocol-javaArchived
The repository host gives no description.
+2 stars
from 1,843 · score 1.10
34.ankane / lockbox
Modern encryption for Ruby and Rails
- encryption
- activerecord
- activestorage
- carrierwave
- mongoid
- libsodium
+2 stars
from 1,609 · score 1.10
35.google / highwayhashArchived
Fast strong hash functions: SipHash/HighwayHash
+2 stars
from 1,602 · score 1.10
36.mikechambers / as3corelib
An ActionScript 3 Library that contains a number of classes and utilities for working with ActionScript? 3. These include classes for MD5 and SHA 1 hashing, Image encoders, and JSON serialization as well as general String, Number and Date APIs.
+2 stars
from 1,503 · score 1.10
+1 stars
from 11,205 · score 0.69
38.QuipNetwork / hashsigs-py
The repository host gives no description.
+1 stars
from 11,173 · score 0.69
39.dchest / tweetnacl-js
Port of TweetNaCl cryptographic library to JavaScript
- crypto
- javascript
- authentication
- signature
- elliptic-curves
- secretbox
- +9 more
+1 stars
from 1,922 · score 0.69