30 open-source projects similar to travist/jsencrypt, ranked by shared indexed features. Tags may describe platforms or build tools rather than the same primary purpose. Check each project’s use case, license, and deployment requirements before treating it as a replacement.
This project is an OpenPGP cryptography library designed for encrypting, decrypting, and signing messages according to the OpenPGP standard for secure communication. It functions as an asymmetric encryption toolkit for securing data and managing digital identities through cryptographic operations. The library provides a cryptographic key manager to create and handle the public and private key pairs required for identity operations. It includes a digital signature implementation to ensure message authenticity and data integrity. The system covers a broad range of capabilities, including asymm
Keys is a library and command-line utility designed for the generation, storage, and lifecycle management of cryptographic keys. It provides tools to create asymmetric key pairs, perform digital signature verification, and implement authenticated encryption to ensure the confidentiality and integrity of sensitive data. The project distinguishes itself by offering a secure storage abstraction that decouples application logic from underlying key storage mechanisms. By utilizing standardized cryptographic protocols, it enables consistent identity verification and data protection across diverse c
GmSSL is an open-source cryptographic library that implements the Chinese national cryptographic standards SM2, SM3, SM4, SM9, and ZUC as a unified algorithm suite. It provides a comprehensive set of cryptographic primitives including symmetric and asymmetric encryption, digital signatures, hashing, and key exchange, all built around these national standards for government and enterprise security applications. The library distinguishes itself through several integration capabilities. It includes an OpenSSL compatibility layer that maps GmSSL functions to OpenSSL API calls, enabling drop-in re
hashsigs-rs is a Rust cryptography library providing a hash-based signature scheme and a library for generating and verifying one-time digital signatures. It serves as a smart contract signature verifier designed to validate identity and authenticity within on-chain environments. The project implements one-time signature generation and verification to ensure that digital signatures are valid for a single message, preventing key reuse. It supports blockchain authentication workflows and cryptographic identity proofs for validating senders without relying on external servers. The library utili
This project is a mnemonic seed generator and deterministic wallet deriver. It converts mnemonic phrases into binary seeds and derives cryptocurrency wallet addresses and private keys. The tool is implemented as a browser-based cryptographic utility designed for offline execution. This ensures that all key generation and seed computation occur locally on the machine to prevent private keys from leaving the local environment. The system covers mnemonic phrase generation from entropy, seed computation using password-based derivation, and the derivation of public addresses for multiple cryptocu
hashsigs-py is a hash-based signature library for Python used to generate and verify one-time digital signatures. It employs hash chains and seed-based key derivation to authenticate data and ensure message integrity. The library includes a high-performance compiled cryptography backend to accelerate signature computation and processing. For compatibility, it maintains a pure Python fallback implementation to ensure functionality when the compiled backend is unavailable. The project provides tools for digital key pair management, allowing for the deterministic generation of public and privat
hashsigs-solidity is a cryptographic signature library and security utility for Ethereum smart contracts. It functions as a hash-based signature verifier designed to confirm data origin and integrity within a virtual machine environment. The project focuses on on-chain cryptographic authentication, specifically the verification of one-time signatures to prevent replay attacks. It implements signature validation for Winternitz One-Time Signatures Plus to ensure that data has not been tampered with before it is processed by a contract. The library covers a broad range of cryptographic capabili
Blackbox is a GPG secret management tool and asymmetric encryption wrapper used to securely store and share sensitive files within version control systems like Git, Mercurial, or Subversion. It functions as a version control secret store that encrypts files for safe storage at rest while allowing authorized users and machines to decrypt them. The system distinguishes itself by integrating directly with version control to provide plaintext diff and log visualization of encrypted files. It supports multi-recipient encryption and automated secret decryption via passphrase-less GPG subkeys, enabl
phpseclib is a pure-PHP cryptographic library that provides a comprehensive suite of cryptographic operations entirely without requiring compiled C extensions. At its core, it implements arbitrary-precision integer arithmetic for big-number math, ASN.1 DER encoding and decoding for working with cryptographic data structures, and a full set of pure-PHP cryptographic primitives. The library is designed to operate on PHP 5.6 and above, automatically detecting and using native extensions like GMP or BCMath when available, but falling back to its own pure-PHP implementations when they are not. The
This project provides a comprehensive, self-hosted platform for zero-knowledge credential management and enterprise secrets orchestration. It functions as a secure vault that ensures all encryption and decryption processes occur exclusively on the client side, preventing the server from ever accessing plaintext data. By combining identity federation with robust access controls, the system enables organizations to centralize the management of passwords, passkeys, and sensitive infrastructure credentials. The platform distinguishes itself through its focus on both human-centric security and aut
Signal-Android is an end-to-end encrypted messaging platform designed to ensure that only the sender and recipient can access communication content. The project provides a comprehensive framework for secure, asynchronous message initiation and key agreement, allowing users to establish private channels without requiring simultaneous online presence. It relies on a state machine architecture to manage communication epochs and authentication, ensuring consistent security transitions throughout the messaging lifecycle. The platform distinguishes itself through a hybrid cryptographic approach tha
AliSQL is a fork of MySQL by Alibaba that extends the relational database management system with enhancements for high performance, scalability, and enterprise-grade availability. It retains the core MySQL identity as a SQL-based database for storing, organizing, and retrieving structured data, while adding optimizations for large-scale transactional and analytical workloads. The project differentiates itself through a set of Alibaba-specific improvements, including a columnar engine for accelerating analytical queries directly on MySQL tables, and a distributed, shared-nothing NDB Cluster en
Libsodium is a portable, C-based cryptographic library that provides a collection of modern primitives for encryption, decryption, digital signatures, password hashing, and secure key exchange. It is designed to facilitate secure communication and data integrity across diverse hardware architectures and operating systems. The library distinguishes itself by utilizing constant-time primitive execution to prevent side-channel attacks and employing memory-hard algorithms to increase the difficulty of brute-force password attacks. It abstracts complex mathematical operations into simplified inter
RsaCtfTool is an RSA cryptanalysis tool designed to recover private keys from weak public keys and decrypt protected data. It functions as an integer factorization tool and a framework for executing lattice-based attacks. The project differentiates itself by combining database-driven factorization algorithms with specialized mathematical exploits. It includes a suite for lattice reduction to target small exponents and a converter to transform SSH public keys into PEM format for compatibility with other analysis software. The software covers broad capability areas including RSA moduli factori
CryptoSwift is a cryptography library implemented entirely in the Swift programming language. It provides a collection of standard cryptographic algorithms for encryption, decryption, and hashing without relying on native C libraries or system frameworks. The library supports symmetric and asymmetric encryption, including RSA key generation and signature management. It features authenticated encryption schemes and the ability to generate cryptographic digests for data integrity verification. The toolset covers message authentication codes, secure key derivation from passwords, and data paddi
Forge is a JavaScript cryptography library providing a comprehensive set of tools for symmetric and asymmetric encryption, hashing, and digital signatures. It includes a full Transport Layer Security implementation for establishing secure network connections and managing encrypted traffic. The project implements a wide array of public key infrastructure tools, including X.509 certificate management, the generation of certificate signing requests, and the validation of certificate chains. It provides a PKCS cryptographic toolkit for handling secure archives and signed messages, alongside suppo
Easy to use cryptographic framework for data protection: secure messaging with forward secrecy and secure data storage. Has unified APIs across 14 platforms.
crypto-js is a JavaScript cryptography library providing a collection of standard cryptographic algorithms and data transformation tools. It functions as a symmetric encryption toolset, a cryptographic hash implementation, and a password derivation tool for the JavaScript environment. The library enables the protection of sensitive data through symmetric encryption and the production of fixed-size data digests to verify integrity. It includes utilities for converting user passwords into secure cryptographic keys and a data format converter for translating information between Base64, Hex, and
CAUTION: END OF SUPPORT ON 3 JUN 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.
sjcl is a JavaScript cryptography library providing a collection of primitives for encryption, hashing, and encoding within a web browser. It functions as an AES symmetric encryption tool, a cryptographic hashing library, and a Base32 data encoder. The project provides implementations for the Advanced Encryption Standard to secure data through symmetric key encryption and decryption. It also enables the generation of fixed-length data fingerprints to verify information integrity and authenticity. The library covers a broader range of security capabilities, including client-side data hashing,
atproto is a decentralized social networking protocol implementation and a schema-driven API framework. It provides the networking and data standards required to build interoperable social networks where users control their own identity and data through a personal data server specification. The project distinguishes itself through a DID-based identity system for managing cryptographic keys and verifiable profiles, alongside a lexicon-based protocol definition that uses versioned schemas to ensure consistency across network services. It utilizes Merkle Search Trees for verifiable data storage,
Excelize is a library for reading and writing spreadsheet files in the Office Open XML format. It provides a comprehensive suite of tools for programmatically creating, modifying, and analyzing workbooks, worksheets, and cell data, ensuring compatibility across various office software suites through structured XML serialization. The library distinguishes itself with a built-in formula calculation engine that evaluates complex mathematical and logical expressions directly against workbook data. It also features a memory-mapped streaming architecture, which allows for the efficient processing o
The application functions as a self-hosted file sharing platform that allows users to transfer files directly through the browser or via cloud storage. It provides decentralized file-sharing utilities that stream encrypted data between client browsers without intermediate storage servers, alongside mechanisms for managing object storage providers and local disk configurations. The system incorporates client-side encryption to secure file payloads within the browser prior to transmission, paired with fallback relay routing to bypass restrictive firewalls through secondary TURN servers when dir
Remotely Save is a cloud storage synchronization tool and backup manager designed to keep local files and application data consistent across desktop and mobile devices. It functions as a cross-platform synchronizer that mirrors local data to remote servers using S3 and other cloud protocols. The project focuses on privacy and security through end-to-end encryption, which secures files with a user-defined password before they are uploaded to remote cloud services. It ensures data remains private on third-party servers by applying symmetric client-side encryption. The system includes capabilit
Yopass is a secure secret sharing platform used to share encrypted text and files via one-time expiring links. It utilizes client-side encryption to ensure that sensitive data is encrypted in the browser before transmission, preventing the server from seeing plain text. The platform differentiates itself through an integrated security auditing system that generates structured logs and triggers cryptographically signed webhooks when secrets are created, viewed, or expired. It also features an access control system based on OpenID Connect, allowing administrators to restrict secret creation and
SecureDrop is an integrated software suite designed for anonymous whistleblowing and encrypted document leaks. It provides a platform for the secure transfer of sensitive files and a communication portal for two-way encrypted messaging between organizations and anonymous sources. The system ensures identity protection by integrating onion routing to mask network locations and using asymmetric cryptography for secure communication. It incorporates a metadata-stripping pipeline to remove identifying information from uploaded files before they are reviewed. For data handling, the platform utili
Sealed Secrets is a Kubernetes secret encryption tool and controller designed for GitOps security. It provides a mechanism to encrypt sensitive data into specialized resources that can be safely stored in public version control systems and decrypted only within a cluster. The system uses an asymmetric encryption manager to seal secrets with a public key, ensuring that only the corresponding private key held within the cluster can unseal them. It includes utilities for security key rotation, secret re-encryption, and offline private key recovery to maintain data access during disaster recovery
git-crypt is a transparent cryptography layer and secret manager for Git repositories. It encrypts specific files so they remain as ciphertext on remote servers while appearing as plaintext in local directories. The tool uses Git attributes to define the scope of files and directories targeted for encryption. It supports both symmetric secret key encryption for shared access and asymmetric public key encryption to control decryption permissions among multiple collaborators. The system automates the encryption and decryption process through hook-based filters that trigger during commit and ch
Cryptomator is a client-side cloud encryption tool and cross-platform vault manager. It provides a transparent encryption layer that encrypts files and folder structures locally before they are uploaded to a cloud storage provider. The software creates virtual encrypted drives that mount encrypted vaults, allowing users to interact with their data as if it were on a physical disk. It supports the management of multiple independent encrypted containers, each protected by a unique password. The project covers data privacy through directory structure obfuscation and filename encryption to hide
Mailpile is an encrypted email client and high-volume mail indexer that provides a web-based portal for managing electronic mail. It functions as a private email management system designed to protect user privacy and data control. The project features a search engine optimized for indexing and retrieving large volumes of email on consumer hardware. It includes a Bayesian email filter for automated message classification and tagging. The system supports secure communication through the integration of public-key encryption and signing for sending and receiving messages. Additional capabilities