+217 stars
from 13,831 · score 5.38
Trending repositories
Ranked by Attention Score: stars gained over the last 90 complete days
24 repositories by Attention Score · Aug 8, 2026 – Nov 5, 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.
+217 stars
from 6,836 · score 5.38
3.pyca / cryptography
cryptography is a package designed to expose cryptographic primitives and recipes to Python developers.
- python
- cryptography
+158 stars
from 7,676 · score 5.07
4.P-H-C / phc-winner-argon2
The password hash Argon2, winner of PHC
+72 stars
from 5,328 · score 4.29
+57 stars
from 5,467 · score 4.06
+45 stars
from 16,357 · score 3.83
7.Legrandin / pycryptodome
A self-contained cryptographic library for Python
- cryptography
- security
- python
+40 stars
from 3,246 · score 3.71
8.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
+32 stars
from 5,317 · score 3.50
9.krzyzanowskim / CryptoSwift
CryptoSwift is a growing collection of standard and secure cryptographic algorithms implemented in Swift
- swift
- aes
- cryptography
- commoncrypto
- cryptoswift
- md5
- +7 more
+30 stars
from 10,547 · score 3.43
10.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
+26 stars
from 1,775 · score 3.30
+23 stars
from 4,090 · score 3.18
12.jedisct1 / libhydrogen
A lightweight, secure, easy-to-use crypto library suitable for constrained environments.
+21 stars
from 774 · score 3.09
13.cr-marcstevens / sha1collisiondetection
Library and command line tool to detect SHA-1 collision in a file
+16 stars
from 1,407 · score 2.83
14.mit-plv / fiat-crypto
Cryptographic Primitive Code Generation by Fiat
+15 stars
from 836 · score 2.77
15.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 659 · score 2.20
+6 stars
from 698 · score 1.95
18.tlsfuzzer / python-ecdsa
pure-python ECDSA signature/verification and ECDH key agreement
- python
- elliptic-curves
- cryptography
- digital-signatures
- ecdsa
- ecdh
+4 stars
from 971 · score 1.61
19.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
20.bitwiseshiftleft / sjcl
[DEPRECATED] Stanford Javascript Crypto Library
+2 stars
from 7,185 · score 1.10
21.krzyzanowskim / ObjectivePGP
ObjectivePGP is an open-source library for iOS and macOS that provides developers with tools for implementing OpenPGP encryption and decryption, digital signing, and signature verification in their applications, thereby enhancing security and data integrity.
- openpgp
- objective-c
- encryption
- pgp
- osx
- macos
- +4 more
+2 stars
from 725 · score 1.10
22.sdrapkin / SecurityDriven.Inferno
:white_check_mark: .NET crypto done right. Professionally audited.
- crypto
- cryptography
- c-sharp
- aead
- encryption
- security
- +10 more
+2 stars
from 582 · score 1.10
23.TurboPack / LockBox3
LockBox3 is a Delphi and C++Builder library for cryptography.
+2 stars
from 190 · score 1.10
24.xavierleroy / cryptokit
A library of cryptographic primitives (ciphers, hashes, etc) for OCaml
+2 stars
from 107 · score 1.10