435 Open source projects that are alternatives of or similar to Kalium

Modern cryptography for PostgreSQL using libsodium.

(Android) Networking and Cryptography Library (NaCL) JNI binding. JNI is utilized for fastest access to native code. Accessible either in Android or Java application. Uses SWIG to generate Java JNI bindings. SWIG definitions are extensible to other languages.

Sodium Oxide: Fast cryptographic library for Rust (bindings to libsodium)

Secure API Toolkit

Safe and easy to use crypto for iOS and macOS

Ruby FFI binding to the Networking and Cryptography (NaCl) library (a.k.a. libsodium)

A complete overhaul of the Golang wrapper for libsodium

High-level cryptography interface powered by libsodium

Pure PHP polyfill for ext/sodium

A modern and easy-to-use cryptographic library for .NET Core based on libsodium

Erlang bindings for NaCl / libsodium

Nim wrapper for the libsodium library

Python binding to the Networking and Cryptography (NaCl) library

libsodium compiled to Webassembly and pure JavaScript, with convenient wrappers.

The PHP extension for libsodium.

An Android implementation of the Libsodium cryptography library. For the lazy dev.

Stream encryption & decryption with libsodium and protobuf

Swift cross-platform crypto library using CommonCrypto/libcrypto

An open source cybersecurity protocol for syncing decentralized graph data.

A Stable & Secure Tunnel based on KCP with N:M multiplexing and FEC. Available for ARM, MIPS, 386 and AMD64。KCPプロトコルに基づく安全なトンネル。KCP 프로토콜을 기반으로 하는 보안 터널입니다。

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Library for securely hashing passwords

PHP library to generate BTC addresses and signatures from private keys.

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RSA attack tool (mainly for ctf) - retreive private key from weak public key and/or uncipher data

An easy-to-use Windows interface for pass

A JavaScript/TypeScript implementation of the complete Secure Hash Standard (SHA) family (SHA-1, SHA-224/256/384/512, SHA3-224/256/384/512, SHAKE128/256, cSHAKE128/256, and KMAC128/256) with HMAC.

Client-side password-protection for HTML

Keys and certificates for YubiKeys, written in Go

Golang interface to manage Yubikeys, including a crypto.Signer & crypto.Decrypter interface

Managed .NET wrapper for unmanaged PKCS#11 libraries

Software U2F authenticator for macOS

Solidity crypto libraries, ring signatures, proof of knowledge, packed signatures etc. with matching Python implementations for secp256k1 and (alt)BN-256

🐩 Poodle (Padding Oracle On Downgraded Legacy Encryption) attack CVE-2014-3566 🐩

KES is a simple, stateless and distributed key-management system

Hardware-based attestation / intrusion detection app for Android devices. It provides both local verification with another Android device via QR codes and optional scheduled server-based verification with support for alert emails. It uses hardware-backed keys and attestation support as the foundation and chains trust to the app for software checks.

Protecting cryptographic signing keys and seed secrets with Multi-Party Computation.

Python library for fast elliptic curve crypto

Clean, portable, tested implementations of post-quantum cryptography

Project Wycheproof tests crypto libraries against known attacks.

Secure software enclave for storage of sensitive information in memory.

Merkleized IAVL+ Tree implementation in Go

👤 Identity and Access Management Knowledge for Cloud Platforms

Java web and command line applications demonstrating various security topics

Practical Cryptography for Developers: Hashes, MAC, Key Derivation, DHKE, Symmetric and Asymmetric Ciphers, Public Key Cryptosystems, RSA, Elliptic Curves, ECC, secp256k1, ECDH, ECIES, Digital Signatures, ECDSA, EdDSA

Pure-Rust traits and utilities for constant-time cryptographic implementations.

Microsoft SEAL is an easy-to-use and powerful homomorphic encryption library.

Demo project for "One-click Login with Blockchain: A MetaMask Tutorial"

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Useful CTF Tools

Secure USB DFU1.1 bootloader for STM32

The pure-Rust password hashing library running on Argon2.

A Java implementation of Shamir's Secret Sharing algorithm over GF(256).

Library for the Shamir secret sharing scheme

End-To-End File & Message Encryption For Discord

Authenticated Data Structures Generically

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Safe, fast, small crypto using Rust

X25519 elliptic curve Diffie-Hellman key exchange in pure-Rust, using curve25519-dalek.