Cryptography
Cryptography, or cryptology is the practice and study of techniques for secure communication in the presence of adversarial behavior. More generally, cryptography is about constructing and analyzing protocols that prevent third parties or the public from reading private messages.
- GitHub: https://github.com/topics/cryptography
- Wikipedia: https://en.wikipedia.org/wiki/Cryptography
- Last updated: 2026-06-22 00:06:56 UTC
- JSON Representation
https://github.com/bbc2/shuffled
Python random permutations of large integer ranges
cryptography iterator python randomization
Last synced: 18 Aug 2025
https://github.com/clarkfieseln/ac4qgp
Chat using „enhanced“ end-to-end-enryption and modulation of audio signal in isolated device, ensuring privacy, anonymity and cybersecurity.
afsk audio-analysis audio-processing chat chat-app chat-application communication cryptography data-diode e2ee e2ee-encryption encryption encryption-algorithms encryption-decryption fft-algorithm fft-analysis mass-surveillance python-3 python3 pyton
Last synced: 10 Aug 2025
https://github.com/soatok/experimental-caead
Experimental committing AEAD designed by Soatok.
Last synced: 18 Aug 2025
https://github.com/mubix/elgamalcrypto
Simple Python Elgamal Encryption and Decryption Tool
cryptography decryption elgamal elgamal-encryption encryption
Last synced: 11 Apr 2025
https://github.com/simonwaldherr/cryptofoo
a good compromise between speed and validity to hash strings
crypto cryptography hacktoberfest-accepted hash hashing javascript js sha
Last synced: 09 Jul 2025
https://github.com/synchro/wordhash
A PHP package for generating human-readable hashes
cryptography hacktoberfest hash php privacy security
Last synced: 27 Feb 2026
https://github.com/woodruffw/skipjack.rs
A straight-line implementation of the Skipjack cipher in Rust
cipher cryptography rust skipjack
Last synced: 04 Oct 2025
https://github.com/abund4nt/rsa-implementation
RSA cryptosystem implementation in Python.
algorithm cryptography mathematics python rsa
Last synced: 01 May 2025
https://github.com/helium/ecc_compact
Unpatented ECC point compression for NIST p-256 public keys
Last synced: 20 Jun 2025
https://github.com/patrickfav/singlestep-kdf
Implementation of the single-step key derivation function (KDF) as described in NIST Special Publication 800-56C Rev1 supporting messages digest and HMAC.
cryptography hmac java kdf key-agreement key-derivation key-derivation-function message-digest nist nist800-56 secretkey security singlestep-kdf
Last synced: 09 Apr 2025
https://github.com/ahf/sphincs
Erlang NIF for SPHINCS-256: practical stateless hash-based signatures.
cryptography erlang erlang-nif post-quantum signature supercop
Last synced: 15 Apr 2025
https://github.com/denosaurs/argontwo
#️⃣ Argon2 hashing module for deno using wasm
argon2 cryptography deno hacktoberfest wasm
Last synced: 14 Oct 2025
https://github.com/guppster/krackattack
:globe_with_meridians: An application that exposes and aims to raise awareness about Wi-Fi key reinstallation attacks
cryptography encryption krackattacks react-native-app wpa2
Last synced: 16 Mar 2026
https://github.com/samuel-lucas6/chacha20-blake3
Committing ChaCha20-BLAKE3, XChaCha20-BLAKE3, and XChaCha20-BLAKE3-SIV AEAD implementations.
aead authenticated-encryption blake3 chacha20 chacha20-blake3 crypto cryptography encryption libsodium libsodium-core libsodium-net xchacha20 xchacha20-blake3 xchacha20-blake3-siv xchacha20-siv
Last synced: 15 Apr 2025
https://github.com/daedalus/fastbloomfilter
A pure, simple and fast pythonic bloom filter
blake2b bloom-filter bloomfilter bz2 cryptography fast hash logging lz4 lzma probabilistic sha256 sha3 zlib
Last synced: 03 Aug 2025
https://github.com/cipherstash/vitaminc
Vitamins for your Rust cryptography code
Last synced: 01 Apr 2026
https://github.com/virgilsecurity/virgil-sdk-php
Virgil Core SDK allows developers to get up and running with Virgil Cards Service API quickly and add end-to-end security to their new or existing digital solutions to become HIPAA and GDPR compliant and more.
cryptography encryption end-to-end-encryption gdpr hipaa pki sdk
Last synced: 15 Apr 2025
https://github.com/jedisct1/wasi-crypto-preview
crypto cryptography wasi webassembly
Last synced: 15 Apr 2025
https://github.com/antonkueltz/rfc7539
AEAD cipher based on ChaCha20 stream cipher and Poly1305 MAC
authenticated-encryption chacha20 chacha20-poly1305 cryptography poly1305 rfc7539
Last synced: 13 Apr 2025
https://github.com/aead/poly1305
The poly1305 message authentication code
chacha20-poly1305 cryptography golang poly1305
Last synced: 21 Mar 2025
https://github.com/jsign/go-filsigner
A pure Go Filecoin signing library.
bls cryptography filecoin secp256k1 wallet
Last synced: 18 Mar 2025
https://github.com/virgilsecurity/virgil-sdk-python
Virgil Core SDK allows developers to get up and running with Virgil Cards Service API quickly and add end-to-end security to their new or existing digital solutions to become HIPAA and GDPR compliant and more.
cryptography encryption end-to-end-encryption gdpr hipaa pki sdk
Last synced: 06 Mar 2026
https://github.com/ilovenooodles/ctfs
Archive my journey and writeup on CTF Competition
binary-exploitation capture-the-flag cryptography
Last synced: 24 Apr 2025
https://github.com/cryptosense/diffie-hellman-groups
List of common Diffie-Hellman groups
cryptography diffie-hellman-groups
Last synced: 16 Mar 2026
https://github.com/PeaceFounder/ShuffleProofs.jl
Verificatum compatible verifier and prover for NIZK proofs of shuffle
cryptography elgamal nizk verificatum zero-knowledge-proofs
Last synced: 06 Apr 2026
https://github.com/edwinhere/nazgul
A library that implements Ring Signatures
cryptocurrency cryptography monero ring-signatures
Last synced: 29 Jul 2025
https://github.com/lubux/afgh-pre-relic
AFGH Proxy Re-Encryption with RELIC (C library)
c cryptography proxy-re-encryption
Last synced: 30 Apr 2025
https://github.com/rafael-santiago/blackcat
My personal encryption tool
command-line-tool crypto-tools cryptography e2ee file-encryption file-encryption-c file-encryptor personal-utility scm-like security security-hardening security-tools vpn-connections vpn-tunnel
Last synced: 05 Apr 2025
https://github.com/rafael-santiago/vigcrack
A simple cryptanalysis tool for the Vigenere cipher.
cryptanalysis cryptography vigenere
Last synced: 05 Apr 2025
https://github.com/cipherboy/hash_framework
Framework for studying cryptographic hash functions using SAT.
cryptographic-hash-functions cryptography distributed-computing md4 md5 sat satisfiability sha3 siphash
Last synced: 24 Apr 2025
https://github.com/johanns/celox
Celox.ME is a secure, self-destructing message application built with Ruby on Rails 8. It features client-side encryption and automatic message expiration for maximum privacy.
cryptography hotwire messaging onetime privacy privacy-focused rails ruby secrets self-destructing
Last synced: 10 Oct 2025
https://github.com/demining/dust-attack
DUST ATTACK blockchain transaction with confirmation of isomorphism for a total amount of 10000 BTC
attacker bitcoin bitcoin-wallet btc cryptocurrency cryptography dust privatekey privatekey-crack privatekeys
Last synced: 21 Jul 2025
https://github.com/marcoonroad/nocoiner
A Commitment Scheme library for Coin Flipping/Tossing algorithms and sort. :four_leaf_clover: :camel: :lock: :key:
aes-encryption commitment-schemes cryptography message-authentication-code ocaml secure-multi-party-computation
Last synced: 26 Nov 2025
https://github.com/appsup-dart/x509
Dart library for parsing and working with X.509 certificates
Last synced: 10 Oct 2025
https://github.com/meetmangukiya/ethereum-kms-signer
Sign ethereum transactions with AWS KMS keys!
Last synced: 26 Jul 2025
https://github.com/haskell-cryptography/blake2
A Haskell library providing BLAKE2
Last synced: 11 Sep 2025
https://github.com/itsksaurabh/blockchain-cryptocurrency-node
A powerful and secure decentralised Blockchain Network with CryptoCurrency.
api blockchain blockchain-technology cryptocurrency cryptocurrency-exchanges cryptography nodejs
Last synced: 06 Apr 2026
https://github.com/abeaumont/ocaml-salsa20
Salsa20 encryption function, in pure OCaml
cryptography ocaml salsa20 stream-cipher
Last synced: 05 Apr 2025
https://github.com/digitalbazaar/equihash
Equihash Proof of Work for Node.js
cryptocurrency cryptography equihash proof-of-work
Last synced: 05 May 2025
https://github.com/00nx/exodus-decryptor
lightweight script to show how exodus wallet-seedphrases are extracted and decrypted on windows.
crypto crypto-wallet cryptography decryption decryptor exodus exodus-wallet exodus-wallet-decryptor seed-phrase-grabber stealer wallet-grabber wallet-stealer
Last synced: 06 Sep 2025
https://github.com/trainingbypackt/the-modern-cpp-challenger-elearning
Become an expert C++ programmer by solving real-world programming problems
caesar-cipher cryptography datatypes json language-features streams xml xpath zip-algorithm
Last synced: 13 Jul 2025
https://github.com/rafael-santiago/linux-crypto-api-aes-gcm-min-sample
A straightforward (complete) sample of how to implement AES-GCM by using Linux crypto API at kernel side
aes-gcm complete-sample cryptography documentation linux-crypto-api sample snippet straightforward suckless
Last synced: 12 Apr 2025
https://github.com/floydz/cryptanalysislib
C++ STL for speed and cryptanalytic application
Last synced: 28 Oct 2025
https://github.com/peacefounder/shuffleproofs.jl
Verificatum compatible verifier and prover for NIZK proofs of shuffle
cryptography elgamal nizk verificatum zero-knowledge-proofs
Last synced: 21 Oct 2025
https://github.com/sajjon/bells
BLS12-381 in pure Swift
bls bls12-381 boneh-lynn-shacham cryptography ecc elliptic-curve-cryptography swift
Last synced: 12 May 2026
https://github.com/demining/reduce-private-key
Reducing the private key through scalar multiplication using the ECPy + Google Colab library
attack bitcoin bitcoin-wallet blockchain btc cryptocurrencies cryptography ecdsa ecdsa-cryptography ecdsa-signature elliptic-curves elliptic-curves-cryptography privatekey secp256k1 vulnerabilities vulnerability
Last synced: 16 Oct 2025
https://github.com/nethermindeth/stark-rings
Cyclotomic rings over STARK-friendly fields
blockchain cryptography ethereum lattice-based-crypto rust starknet zk-snarks zk-starks
Last synced: 07 May 2025
https://github.com/blopa/freedompop-telegram-bot
A freedompop telegram bot
api cryptography freedompop telegram telegram-bot
Last synced: 19 Mar 2025
https://github.com/wavesplatform/ts-lib-crypto
All algorithm implementations like signature verification and protocol entries like address used in Waves protocol.
Last synced: 19 Jun 2025
https://github.com/vatshayan/blockchain-and-cryptography-combination-combo-nature-system
Cryptography Project “New Approach as Blockchain and Cryptography Combination” : Combo Nature System
blockchain blockchain-cryptography blockchain-project blockchain-projects blockchain-technology college-project cryptography cryptography-blockchaim cryptography-project cryptography-projects cse-project cse-projects final-project final-year-project final-year-projects finalyearproject finalyearprojects semester-project semester-projects
Last synced: 28 Oct 2025
https://github.com/keygen-sh/example-python-offline-validation-caching
An example of utilizing license validation caching and cryptographic verification for offline use
cryptography license-checking license-keys offline-licensing software-licensing
Last synced: 05 Jul 2025
https://github.com/animo/react-native-bbs-signatures
React Native Wrapper around the ffi-bbs-signatures package using TurboModules.
android bbs cryptography ffi ios react-native turbomodule turbomodules typescript
Last synced: 20 Sep 2025
https://github.com/cloudflare/privacypass-issuer
A TypeScript Issuer for the Privacy Pass Authentication Protocol
authentication cryptography privacy-pass token typescript
Last synced: 20 Oct 2025
https://github.com/atropinetears/num-primes
A Rust Library For Generating Large Composite, Prime, and Safe Prime Numbers
bignum composite-numbers crypto cryptography csprng generating-primes generator library num num-bigint num-traits prime-factors prime-numbers primes random rust rust-lang safe-prime smooth-numbers verify
Last synced: 26 Apr 2025
https://github.com/smartibase/broadcast-bitcoin-transaction
Broadcasting Transactions into the Bitcoin Network.
bitcoin bitcoin-api bitcoin-wallet blockchain blockchain-technology crypto cryptocurrency cryptography ecdsa ecdsa-cryptography rawtransaction
Last synced: 18 Jul 2025
https://github.com/exonum/exonum-python-client
Exonum Python Light Client
blockchain client cryptography ed25519 exonum merkle-tree python sha256
Last synced: 26 Apr 2025
https://github.com/bernardassan/recblock
Blockchain for a record management and money transfer system
blockchain blockchain-from-scratch crypto cryptography zig
Last synced: 21 Apr 2026
https://github.com/tokamak-network/DEPRECATED-Tokamak-ZkEVM
A new type of zk-EVM for L2 rollup
cryptography ethereum groth16 layer2 snark zero-knowledge
Last synced: 16 Jul 2025
https://github.com/gdncc/cryptography
Lean 4 programming language and theorem prover cryptography experiments
cryptography keccak lean4 sha-3
Last synced: 22 Mar 2025
https://github.com/crocs-muni/meesign-client
cryptography flutter multiparty-computation threshold-signature
Last synced: 31 Jan 2026
https://github.com/vatshayan/cryptography-final-year-project
Super cipher cryptography project which uses three types of key such as numerical and alphabets for providing triple layer of security. Final Year Cryptography Project with code and documents
computer-science-project cryptography cryptography-final-year-project cryptography-project cryptography-projects final final-project final-year-cryptography-project final-year-project final-year-project-code final-year-projects full-stack-project github-projects major-project
Last synced: 09 Mar 2026
https://github.com/cmoog/bech32
A tiny CLI for encoding and decoding bech32 strings.
bech32 bitcoin cli cryptography rust
Last synced: 27 Mar 2025
https://github.com/wolfssl/renesas
This repository contains commercially licensed wolfSSL products and example code for use on specified Renesas platforms.
cryptography renesas renesas-ra renesas-rx sec synergy tls tls13 tsip
Last synced: 27 Apr 2025
https://github.com/wei2912/wei2912.github.io
Personal blog.
blog cryptography functional-programming haskell ml utterances website
Last synced: 12 Aug 2025
https://github.com/brave/star-randsrv
Go wrapper service for the STAR randomness server.
cryptography enclave k-anonymity randomness
Last synced: 22 Jul 2025
https://github.com/mjosaarinen/gostbox
GOSTBOX -- A 95-byte program for the 256-byte Streebog/Kuznyechik S-Box.
Last synced: 20 Aug 2025
https://github.com/wowinter13/visual-cryptography
An experimental repo with implementations of all basic visual cryptography schemes in Rust
algorithms crate crates cryptography encoding image-processing rust security steganography steganography-algorithms steganography-encoding visual-cryptographic-schemes visual-cryptography
Last synced: 18 Mar 2026
https://github.com/chainsafe/go-signature-adaptor
A pure Go implementation of ECDSA signature adaptors
cryptography ecdsa scriptless secp256k1
Last synced: 13 Oct 2025
https://github.com/skshahriarahmedraka/datastructure-algorithm-designpatterns-in-golang
DataStructure, Algorithm, Design Patterns in Golang
algorithm algorithms cipher-algorithms cryptography data-structures design-patterns dynamic-programming encryption golang graph greedy-algorithms math search-algorithm searching-algorithms sorting-algorithms stack string tree-structure
Last synced: 13 May 2025
https://github.com/cmdruid/crypto-tools
A modern suite of cryptography tools, built for the plebian developer.
bip340 cryptography ecdsa ripemd160 schnorr secp256k1 sha256 signatures
Last synced: 07 May 2025
https://github.com/houarizegai/aes
AES algorithm implementation in Java
aes aes-encryption cryptography information-security security
Last synced: 16 Mar 2026
https://github.com/felipebonezi/cipherizy-lib
Encrypt / Decrypt project library to help you at your Java or Kotlin projects.
aes cipher-lib cryptography decrypt encription encryption java kotlin scala
Last synced: 10 Jun 2025
https://github.com/jemtaly/cryptoxx
A modern, high-speed, easy-to-use object-oriented C++ cryptographic library, aims to simplify the steps of using, making cryptographic algorithms modular and unifying the interface, thus enhancing scalability and flexibility of use. 一个现代、高效、易用的面向对象 C++ 密码库,旨在简化使用步骤,同时使密码算法模块化并统一接口,从而提升可扩展性和使用的灵活性。
blake2 cpp20 crypto cryptography cryptography-algorithms cryptography-library des hash hashing header-only keccak rijndael serpent sha3 sm3 sm4 twofish whirlpool zuc
Last synced: 11 Mar 2026
https://github.com/jedisct1/rust-libhydrogen-sys
libhydrogen sys bindings for Rust
crypto cryptography curve25519 gimli libhydrogen lightweight rust
Last synced: 15 Apr 2025
https://github.com/olegabu/sgx-netting
Netting algorithm running in secure Intel SGX enclave
Last synced: 12 Apr 2025
https://github.com/picolab/node-sovrin-did
node.js module to generate DID and Ed25519 keys to use with Sovrin
cryptography decentralized identity sovrin
Last synced: 11 Sep 2025
https://github.com/pymmdrza/hexer
For Create Hexer
crypto cryptocurrency cryptography python
Last synced: 10 Apr 2025
https://github.com/gregtonoski/bip39-xor
Encrypt or decrypt 12, 15, 18, 21 or 24 BIP39 codewords array (so-called "seed phrase") using exclusive OR (XOR)/Vernam cipher (a.k.a. One Time Pad).
bip39 cryptography secret-sharing xor
Last synced: 12 Apr 2025
https://github.com/protoncr/crypto
Pure Crystal implementations of various Cryptography algorithms
aes-256 aes-cbc aes-ctr aes-encryption aes-ige cryptography crystal crystal-lang telegram
Last synced: 13 Jul 2025
https://github.com/connectFree/ZigZag
Noise Framework implementation in Zig Language for use in EVER/IP and WireGuard
crypto cryptography ever ever-ip everip noise noise-protocol noise-protocol-framework security wireguard zig
Last synced: 06 May 2025
https://github.com/solidiquis/ez_encrypt
A small message encryption + decryption web application powered by Rust + WASM.
cryptography reactjs rust tailwindcss typescipt wasm webassemby
Last synced: 22 Sep 2025
https://github.com/agclqq/goencryption
Go language implementation of symmetric encryption and asymmetric encryption algorithm. AES, DES, 3DES and RSA are supported
3des aes cryptography decryption des encryption go md5 rsa
Last synced: 12 Mar 2026
https://github.com/salrashid123/go_pkcs11
PKCS 11 Samples in Go using SoftHSM
cryptography golang pkcs11 rsa
Last synced: 12 Jul 2025
https://github.com/grapheneos/platform_external_auditor
Auditor app prebuilt using the latest official release of the Auditor app.
android attestation authenticity cryptography grapheneos hsm integrity monitoring remote-attestation secure-boot secureboot security strongbox verifiedboot
Last synced: 13 Apr 2025
https://github.com/AreaLayer/firebolt-react-native
Cypherpunk App - Lightning Network, Coinjoin, Payjoin, Taproot, Bitcoin, Nostr, Liquid and ZK Proof
bitcoin bitcoin-wallet coinjoin cryptography lightning-network liquid-network nostr p2p p2p-coinjoin payjoin privacy zk-proof
Last synced: 04 Apr 2025
https://github.com/rsvp/victor
Victor, verifier in cryptography, publicly issues free trusted TIMESTAMP of file hash information embedded into a blockchain.
bitcoin blockchain copyleft copyright cryptography hash sha256 timestamp trusted-timestamping verification
Last synced: 12 Jul 2025
https://github.com/ra101/masquerbot
A TelegramBot for true paranoids.
apscheduler cryptography ecdsa flask flask-restful flask-sqlalchemy gunicorn hashing heroku pixel-manupulation postgres postgresql pytelegrambotapi python sqlalchemy stegano steganography telegram telegram-bot webhook
Last synced: 11 Apr 2025
https://github.com/harryr/pypqc
Python Wrappers for Post-Quantum Cryptography, see: https://csrc.nist.gov/Projects/Post-Quantum-Cryptography/Round-1-Submissions
cli cryptography nist post-quantum post-quantum-cryptography python
Last synced: 09 Oct 2025
https://github.com/anudishjain/merkle-tree
Python Script to calculate Merkle 🌲. Transaction Verifications using Cryptography.
cryptography csv hash merkle-root merkle-root-calculation merkle-tree python-script python3 transaction tree verification
Last synced: 10 Apr 2025
https://github.com/saberglow/java_programming_arrays_lists_structured-data
My solutions to assignments/problems for the course (Java Programming: Arrays, Lists, and Structured Data) offered by Duke University at Coursera.
ceasar-cipher cryptography java-arrays java-lists java-structures
Last synced: 30 Apr 2025
https://github.com/kourva/cryptoko
Encrypt and Decrypt your text with this simple app
cryptography encryption-decryption encryption-tool farnet kivy kivy-framework python python3
Last synced: 12 Apr 2025
https://github.com/abeaumont/ocaml-salsa20-core
Salsa20 core functions, in OCaml
Last synced: 05 Apr 2025
https://github.com/nick-maro/dockerchat
Docker-based end-to-end encrypted chat application simulating a secure network environment.
bun chat-application cryptography docker encryption end-to-end-encryption firewalls golang network network-security preact
Last synced: 25 Oct 2025
https://github.com/virgilsecurity/virgil-sdk-go
Virgil Core SDK allows developers to get up and running with Virgil Cards Service API quickly and add end-to-end security to their new or existing digital solutions to become HIPAA and GDPR compliant and more.
cryptography encryption falcon pki post-quantum-cryptography round5 sdk virgil-cards virgil-keys
Last synced: 09 May 2025
https://github.com/virgilsecurity/virgil-crypto-python
Virgil Python Crypto Library is a high-level cryptographic library that allows you to perform all necessary operations for secure storing and transferring data and everything required to become HIPAA and GDPR compliant.
crypto cryptography e2ee encryption end-to-end-encryption gdpr hipaa
Last synced: 09 May 2025
https://github.com/cowlicks/socialist-millionaire-go
Socialist Millionaires' Protocol (SMP) implementation in go
cryptography protocol smp socialist-millionaires
Last synced: 01 Apr 2026
https://github.com/virgilsecurity/virgil-pythia-go
Virgil Pythia SDK allows developers to implement Pythia protocol to create breach-proof passwords, immune to offline and online attacks.
brainkey breach-proof-password cryptography encryption go pythia pythia-sdk sdk virgil-pythia
Last synced: 09 May 2025
https://github.com/dinochiesa/apigee-custompolicy-aescrypto
a configurable custom policy for Apigee, which performs AES encryption or decryption.
aes apigee cryptography encryption java
Last synced: 27 Feb 2026