Implementations of SHA, MD5, and HMAC cryptographic functions.

A Flutter plugin for securely storing sensitive data using encrypted storage.

A Dart library implementing cryptographic algorithms and primitives, modeled on the BouncyCastle library.

An ASN1 parser library for Dart. Encodes / decodes from ASN1 Objects to BER bytes

An easy to use JSON Web Token (JWT) implementation in Dart with all algorithms supported.

A set of high-level APIs over PointyCastle for two-way cryptography.

A Dart implementation (port) of the XXH3 hashing algorithm from xxHash.

Dart port of ed25519 from Go Cryptography ed25519

Cryptographic algorithms for encryption, digital signatures, key agreement, authentication, and hashing. AES, Chacha20, ED25519, and more. Cross-platform (mobile, desktop, JS, WASM).

Common util classes for Strings, Dates, X509, PKCS, Cryptographie and more.

Base32 Encoder and Decoder for Dart, primarily used for One Time Password secrets.

Base58Check encoding using dart:convert interface

A library for doing cryptographic signing/verifying and encrypting/decrypting.

Library implementing Bitcoins BIP173 (Bech32 encoding) specification in a Flutter friendly fashion.

A CBOR library for Dart. An RFC8949 compliant encoding/decoding CBOR implementation.

Collection of cyclic redundancy check (CRC) routines as Dart converters.

A Dart-only implementation of `amplify_secure_storage`, using `dart:ffi` for Desktop and `dart:html` for Web.

A package for storing secrets, intended for use in Amplify libraries.

PEM encoding/decoding of textual keys following RFC 7468, supporting both lax/strict-mode, and certificates chains of concatenated PEM blocks.

The Dart implementation of the PyNaCl APIs with the TweetNaCl cryptographic library

Fast and error resilient codecs. Currently supporting Binary(Base2), Hexadecimal(Base16), Base32, Base64, BigInt.

Secure hash functions, checksum generators, and key derivation algorithms optimized for Dart.

Javascript Object Signing and Encryption (JOSE) library supporting JWE, JWS, JWK and JWT

A library for doing cryptographic signing/verifying and encrypting/decrypting.

A set of high-level APIs over PointyCastle for two-way cryptography.

Flutter library for improving app security and threat monitoring on Android and iOS mobile devices. Learn more about provided features on the freeRASP's homepage first.

Privacy-Enhanced Mail (PEM) parser, RSA, PKCS#1, PKCS#8, X.509

This package use jBCrypt modified code to work with Dart VM.

Dart library that provides simple and elegant way to encode and decode ASN1

Dart library for parsing and working with X.509 certificates.

Javascript Object Signing and Encryption (JOSE) library supporting JWE, JWS, JWK and JWT

Encoder and decoder for a canonical JSON format, useful when cryptographically hashing or signing JSON objects.

Implementation of Standards for Efficient Cryptography (SEC) including SECP256K1 and SECP256R1.

Crypto wallet package for Bitcoin, Ethereum and Tron written in pure Dart.

Dart implementation of Bitcoin BIP39 Mnemonic code for generating deterministic keys

basic elliptic curves in pure dart

Cross-platform implementation of Web Cryptography APIs for Dart.

Dart implementations of the Mersenne Twister pseudo-random number generator.

A Celo compatible Dart library to connect to Ethereum clients. Send transactions and interact with smart contracts! Pay transaction fees using `feeCurrencies` on Celo.

EIP-1559 Ethereum and Web3 market fee and gas estimation for Dart.

Cryptographic algorithms for encryption, digital signatures, key agreement, authentication, and hashing. AES, Chacha20, ED25519, X25519, Argon2, and more. Good cross-platform support.

Package ecdsa implements the Elliptic Curve Digital Signature Algorithm, as defined in FIPS 186-3.

Provides bindings to the vodozemac library that has Olm and Megolm implementation from Dart.

A simple Dart library for asymmetric encryption and digital signatures

Dart package to compute base 58 encoding. This encoding is typically used for crypto currencies such as Bitcoin.

Dart port of x25519 from Go Cryptography curve25519.

library for use RSA with support for android and ios, macOS, linux, windows and web

Makes 'package:cryptography' use platform APIs in Android, iOS, and Mac OS X. The package can make performance up to 100 times better.

A port of jBCrypt to Dart. It allows to encrypt passwords using BCrypt with a configurable work factor and check passwords.

Package for at_protocol cryptographic and hashing operations

Dart common utils library.Contain DateUtil, EncryptUtil, JsonUtil, LogUtil, MoneyUtil, NumUtil, ObjectUtil, RegexUtil, TextUtil, TimelineUtil, TimerUtil.

Pure Dart Argon2 algorithm (the winner of the Password Hash Competition 2015) for all Dart platforms (JS/Web, Flutter, VM/Native).

Cryptography dart library to encrypt, decrypt, sign and verify messages

Makes 'package:cryptography_plus' use platform APIs in Android, iOS, and Mac OS X. The package can make performance up to 100 times better.

Utility functions and methods to generate random BigInt, generate random prime BigInt and check if BigInt is prime.

Dart bindings for libsodium, for the Dart-VM and for the Web

A set of base16 (hex), base32 (Rfc, RfcHex, Crockford, ZBase, GeoHash, WordSafe), Base58 (Bitcoin, Flickr, Ripple) with Base58Check, base85 (Ascii85, Z85, IPv6) codecs

XXTEA for Dart XXTEA is a fast and secure encryption algorithm. This is a XXTEA library for Dart.

BIP-0032 like derivation for ed25519 curve

This algorithm is a pure dart implementation of the DES and Triple DES algorithms.

Lightweight implementation of JSON Web Tokens (JWT).

Pkcs7 message parser and verification library Can parse and generate x509 certificates, request Timestamp, build and verify an s-mime PKCS #7 message.

fast_base58 provides fast implementation of base58 encoding, and supports flickr alphabet and Bitcoin/IPFS alphabet(default).

Dart library for parsing and working with X.509 certificates.

HTTP-ECE decryption for WebPush content based on RFC 8291.

Comprehensive Crypto & Blockchain Toolkit, Pure Dart, Cross-Platform, Encoding, Cryptography, Addresses, Mnemonics, & More.

Provides JWT utilities for Dart including issuing a token, verifing a token and parsing a token.

One-way string hashing for salted passwords using the Unix crypt format

SHA3 for dart. It is unbelievable that such a language doesnt has such a basic library!

A new Flutter package that calculate crc32 checksum value for given string.

Dart encryption library for encrypting/decrypting files, plain text and binary data in AES Crypt file format. Supports all platforms including web.

Pure Dart post-quantum cryptography. Zero dependencies. ML-KEM, ML-DSA, and SLH-DSA with checked-in NIST vector evidence.

Annotation used to make a Dart object borsh serializable.

A BIP32 (https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki) compatible library for Flutter writing by Dart.

Mnemonic code for generating deterministic keys a.k.a. BIP39.

Dart port of DropBox's zxcvbn library.

Signal Protocol libray for Dart native and Flutter, pure Dart implementation of the the Signal Protocol

Dart bindings for Olm, an implementation of the olm and megolm cryptographic ratchets

libcrypto from OpenSSL for Android and iOS to be used with dart:ffi

A Dart library for generating 5-character alphanumeric Steam TOTP codes.

BIP340 (Schnorr) signature and verification.

An implementation of Dart's HttpClient with certificate pinning against SPKI hashes.

MIRACL Trust Flutter Plugin

A set of cryptographic hashing functions implemented in pure Dart

Affinidi SSI library for Dart provides a comprehensive suite of tools and libraries for implementing Self-Sovereign Identity (SSI) solutions.

Secure, Hub-centric remote shell platform written in pure Dart. Clients connect to a Hub by node identity (not host:port); the Hub authenticates, authorizes and brokers encrypted sessions to Nodes over WebSocket-on-TLS. Ships Hub, Node, Client and CLI implementations behind first-class Dart APIs.

A DTLS library for Dart, implemented via FFI bindings to OpenSSL.

Enable you to quickly implement rsa encryption in your flutter app, it covers everything from Generating key pairs, encrypt and decrypting strings.

Flutter Plugin for Couchbase Lite, an embedded, NoSQL JSON Document Style database, supporting Blobs, Encryption, SQL++ Queries, Live Queries, Full-Text Search and Data Sync.

A BIP32 (https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki) compatible library for Flutter writing by Dart.

Triple DES and DES block cipher implementation ported from CryptoJS

Server-side Dart library for the ALTCHA Proof-of-Work v2 challenge system. Create, solve, and verify challenges using PBKDF2, SHA, Scrypt, or Argon2id.

A secure version of get_storage, which was a fast, extra light and synchronous key-value storage written entirely in Dart

Couchbase Lite for pure Dart apps: An embedded, NoSQL JSON Document Style database, supporting Blobs, Encryption, SQL++ Queries, Live Queries, Full-Text Search and Data Sync.

Dart implementation of finite field Diffie-Hellman. Based on PKCS#3.

A Dart package for implementing secure and private communication on your app using DIDComm v2 Messaging protocol.

edwards25519, where security meets simplicity in cryptography!!

Ethereum signature utility porting from JS

AES-256 encryption and decryption using PBKDF2 + AES-GCM.

Proxy Re-Encryption (PRE) utilities for Dart enabling secure, server-mediated sharing of encrypted data without exposing plaintext.

A versatile library for Bitcoin, Dogecoin, Litecoin, Dash, BSV, and BCH. Supports P2PKH, P2SH, P2WPKH, P2WSH, P2TR, with advanced creation, signing, and spending capabilities.

library for use OpenPGP with support for android and ios, macOS, linux, windows and web

A Stellar SDK for Flutter, that can query Horizon and Soroban RPC, build, signs and submit transactions to Stellar. Supports many SEPs and can deploy and invoke Soroban Contracts.

Provide Blake encryption support, dart implementation library

基于Dart语言实现的国密SM2、SM3、SM4算法。

secp256k1_ecdsa helps to generate secp256k1 key pairs, sign/verify messages, compress/expand keys and recover public keys.

Library implementing Bitcoins BIP32 (Hierarchical Deterministic key derivation) specification in a Flutter friendly fashion.

Dart library for parsing and working with X.509 certificates.

A Flutter implementation of dargon2, providing Argon2 Password Hashing functionality for mobile & web apps

An interface for all dargon2 hashing functions. Provides the base outline for all implementations.

The bindings for argon2's C reference library. Does not include the library loading itself.

A BIP173 / BIP350 compatible Bech32/Bech32m encoding/decoding library.

Flutter SDK for Fula decentralized storage with client-side encryption, metadata privacy, and secure sharing.

Chat SDK is a package that provides secure, end-to-end encrypted messaging using Decentralised Identifiers (DID) and DIDComm v2.1 protocol.

A Dart package for implementing the Verifiable Data Sharing Protocol (VDSP) using DIDComm v2.1 to facilitate secure data sharing.

A Dart package for implementing the Verifiable Data Issuance Protocol (VDIP) using DIDComm v2.1 to facilitate secure credential issuance.

A Dart package for implementing secure and private communication on your app using DIDComm v2.1 Messaging protocol.

A simple FNV-1 hash implementation used across multiple projects within our organization.

Verifiable Relationship Credential (VRC), Relationship Card (R-Card), and liveness credential domain models, builders, and repository interfaces for the Meeting Place SDK.

Converting BIP39 entropy to valid Substrate SecretKeys.

Encrypt and decrypt data using the secp256k1 elliptic curve. This is the High level API build from pointycastle. A fork of secp256k1Cipher.

A tiny cup, a mighty punch - ristretto255!!

A sr25519 cryptography library in pure Dart

Strobe contains implementation of the Strobe protocol framework.

A dart library to generate, checksum, and validate Ethereum addresses

Encodes and decodes keys to/from different text file formats.

Merlin is a STROBE-based transcript construction for zero-knowledge proofs.

Flutter Plugin supporting key generation and signing with Android Keystore and iOS SecureEnclave keys.

A simple pure dart package used for creating and validating Json Web Tokens using the private and public key provided, refer to documentation for more information.

Streamline Ethereum, Tron, Solana, sui, aptos and Cardano operations. Effortlessly create transactions, interact with smart contracts, sign, and send transactions.

Threshold string compression with multiple GZip, LZString, ZLib, BZip2

A set of high-level APIs over PointyCastle for two-way cryptography.

encrypt_file_loader is a library that can store files encrypted with webcrypto.

Dart wrapper for libsignal. Signal Protocol implementation for end-to-end encryption, sealed sender, group messaging, and secure cryptographic operations.

Flutter plugin to calculate a file checksum as MD5 hash, using a platform native implementation.

Ed25519-like signatures with X25519 keys, Axolotl-style.

Dart wrapper for OpenMLS — a Rust implementation of the Messaging Layer Security (MLS) protocol (RFC 9420)

Pure-Dart cryptography package implementing symmetric ciphers (AES with multiple modes, ChaCha20, XChaCha20, Salsa20, XSalsa20, XOR) and their AEAD variants with Poly1305.

Package to securely manage environment variables and perform AES encryption/decryption in Flutter and Dart.

Pure secp256k1 signature algorithm implement for dart language which uses pure dart and basic types to represent all matters

JSON Web Tokens are an open, industry standard RFC 7519 method for representing claims securely between two parties.

Substrate Keyring.

JWK (JSON Web Key) encoding and decoding (for package:cryptography).

Serialize an ed25519 key into the openssh format

A decoder for Bitcoins Lightning Network BOLT11 invoices for use in wallet apps.

A Flutter companion package for Vault that simplifies integration of secure storage capabilities in Flutter applications.

BIP32 hierarchical deterministic key derivation utilities used by NDK.

MurmurHash v3 Implementation in Dart.

builds the olm library for android and ios to be used with dart:ffi

The Affinidi TDK Vault package provides libraries and tools for embedding Affinidi Vault into your existing Dart applications.

The Affinidi TDK - Vault Data Manager package provides the interface to interact with Afinidi's Vault Data Manager service.

Adyen card client side encryption

flutter_tamper_detector is a Flutter security plugin that detects rooting, hooking tools like Frida and Xposed, or emulators, allowing you to block execution or exit the app.

A Dart library for encrypting and decrypting messages using the Fernet scheme.

Xml digital signature library for Dart. For signing and verifying XML documents.

Dart component to compute base 58 encoding. This encoding is typically used for cryptocurrencies such as Bitcoin.

Common package for Affinidi TDK with Vault utilities to generate claim and share links

VCs for ZKPs — Dart. Native Poseidon/EdDSA via prebuilt Rust binaries (macOS, iOS, Android, Linux, Windows). App developers do not need Rust installed.

AES with PKCS7 padding encryption with simple encrypt/decrypt functions.

Base package defining the interface for an Argon2 implementation.

ApexTeam Flutter Plugin - A simple flutter plugin for ApexTeam fellas which supports http request management, request encryption, request cancellation, ... .

This package helps to encryption and decryption with or without secret key and JWT decode.

Flutter integration for Bella Baxter secret management. Provides FlutterSecureSecretCache backed by flutter_secure_storage for encrypted on-device secret caching.

Java, Android, iOS, macOS, get the same result by DES encryption and decryption.

Chinese national encryption algorithm SM2, SM3, SM4. Can output hex string or hex List<int>.

PBKDF2 password hashing utility

A collection of utility functions for cryptocurrencies.

A Dart SDK for the Scallop lending protocol on Sui - market data, obligations, spools, lending/borrowing actions, and naming.

Library implementing Bitcoins BIP350 (Bech32m encoding) specification in a Flutter friendly fashion.

Flutter plugin for handling X509 certificates and key pairs from native platform key stores.

Dart implementation of Solana JSON RPC API client. Provides convenient interface for the RPC methods.

A Dart SDK for sending and receiving emails over the Nostr protocol using NIP-59 gift-wrapped messages.

An implementation of the HMAC-based One-time Password (HOTP).

A Dart library implementing cryptographic algorithms and primitives, modeled on the BouncyCastle library.

A dart plugin implementing CBOR Object Signing and Encryption (RFC 9052, RFC 9053).

Dart CSP hash generator can hash your inline scripts and styles.

Cryptography package for Affinidi TDK that provides cryptographic functionalities for secure token management, encryption and decryption.

This package uses it to encode/decode the number as bitcoin variable length integer.

Flutter FFI plugin for Ed25519 digital signatures and X25519 Diffie-Hellman key exchange. High-performance Curve25519 cryptography via native C.

LZMA compression library written in pure dart. Use this library to compress and decompress using the LZMA algorithm.

encrypt and desencrypt compatible with CryptoJS

A flutter universal blockchain signer protocol for third-party library to enable Remote signing and third part wallet provider

An embedded authorization token format, based off Google's macaroons.

Dart PG (Dart Privacy Guard) - The OpenPGP implementation in Dart language.

This package is interfacing Cryptlib library in dart. It can also be used in flutter applications.

flutter_anti_tamper es un plugin de seguridad para Flutter que detecta manipulaciones en la aplicación, incluyendo root, Xposed, Frida y jailbreak, permitiendo tomar medidas preventivas como el cierre automático de la app.

Implementation of PBKDF2 key derivation function, this provides tools for password hashing based on RFC 2898

Post-quantum cryptographic primitives for the Lattice Signal protocol. KEM (ML-KEM/Kyber), SIG (ML-DSA/Dilithium), PRF, and randomness extraction.

A flutter bcrypt hashing plugin delegating to android &#x2F; ios native implementations.

A straight forward implementation of base58check extending upon base58.

Flutter plugin for Colibri Stateless with bundled native binaries (Android, iOS, macOS, Linux). Proof generation and verification for Ethereum RPC.

Easily sign, create, and send all types of XRP transactions using the xrpl_dart package. Manage your XRP Ledger transactions securely and with ease.

A reference implementation of the Mobile Wallet Adapter (Client) specification for Flutter.

A blockchain wallet address validator for multiple networks (CORE, EVM, Bitcoin, Solana, Cardano). Validates formats and checksums.

A Flutter library for fast ChaCha20-Poly1305 encryption, powered by Rust

Pure Dart library for elliptic curve research and practical application. EdDSA, Ed448, Ed521.

A library for encrypt and decrypt string , very light & simple and fast.

A Dart package that provides functionalities to enhance the security of Dart applications; integration of multiple cybersecurity practices to secure user interactions.

Dart FFI bindings for liboqs — high-performance post-quantum cryptography (PQC) with ML-KEM, ML-DSA, Falcon, SPHINCS+ for key encapsulation and signatures.

Couchbase Lite is an embedded, NoSQL JSON Document Style database, supporting Blobs, Encryption, SQL++ Queries, Live Queries, Full-Text Search and Data Sync.

Dart bindings for Colibri Stateless via FFI (proof generation and verification for Ethereum RPC).

MurmurHash v3 for Dart & Flutter platforms. Supports array and stream data sources, on native and browser environments.

End-to-end encrypted group messaging for Flutter, built on the Marmot protocol (MLS over Nostr) via MDK.

KeepassX format implementation in pure dart. (kdbx 3.x and 4.x support).

Crypto wallets management module for Citadel.one client application. Provides a standardized interface for working with wallets of various crypto networks.

Library implementing Bitcoins BIP32 (Hierarchical Deterministic key derivation) specification for Dart.

A dart plugin for Uniform Resources(URs) decode/encode. URs are URI-encoded CBOR structures developed by Blockchain Commons.

Easily create digest hex for files

Flutter plugin to read PKCS#12 (.pfx/.p12) certificate fields and sign data using the embedded private key. Supports Android and iOS.

A comprehensive, composable and versatile Dart/Flutter library for TON blockchain

ntc_dcrypto is a module dart cryptography. Includes utility classes for encryption in the Dart programming.

Unofficial PASETO implementation for Dart

Dart FFI bindings for liboqs — high-performance post-quantum cryptography (PQC) with ML-KEM, ML-DSA, Falcon, SPHINCS+ for key encapsulation and signatures.

RASP plugin for Flutter. Detect root, jailbreak, emulators, debuggers, hooks, repackaging, VPN, SSL pinning, and more.

A reusable IoT security layer for Flutter apps. Provides device authentication, health data validation, firmware verification, and secure storage.

Tools for the NANO and BANANO cryptocurrencies including key generation, signing, encryption, and more.

AES-256-GCM symmetric encryption functions that allow to encrypt/decrypt package

Pure-Dart post-quantum and classical hybrid crypto for Dart, Flutter, and Serverpod: ML-KEM/ML-DSA envelopes, streaming, multi-recipient encryption, signing, and a CLI.

The Dart implementation of the BIP32-Ed25519 the deterministic key generation solution for the Ed25519 curve.

Blowfish encryption algorithm implementation in Dart with both ECB and CBC modes.

A dart implement of blake2b referenced from blacknet.

Secure credential storage for Flutter using Android Keystore (AES-256-GCM) and iOS Keychain.

AES and RSA encryption/decryption package for Flutter with secure key storage and cross-platform support including web.

A monero library

Ios implementation of cs_monero_flutter_libs

A dart DefiChain library for Flutter. BIP32, BIP39, P2PKH integration.

A Dart implementation for Flutter of BIP-329: Wallet Labels Export Format for Bitcoin wallets.

Dart Library for interacting with the Bitcoin network. This library is especially well-suited for use in developing Flutter applications.

Fintech-grade secret management for Flutter/Dart. AES-256-GCM encryption in generated code, SecureString type, build-time validation, and runtime derived keys.

A new Flutter plugin. Added AES Encription, Added QR Code Scanner, File & DB Sync for Android & IOS, Internet Connectivity check for both Android & IOS.

Android x86_64 bins for cs_monero_flutter_libs

A plugin to make RSA encryption simple, right now it just only work on Android and ios.

Engage seamlessly with a Cosmos SDK-based network (cosmos hub, osmosis, thor, kujira and etc ... ), enabling the creation, signing, and transmission of transactions. (Beta version)

High-performance Flutter plugin for AES-256 file encryption and decryption with native C/C++ implementation. Optimized for large files with low memory footprint.

WebAuthn passkey create/assert plus the PRF (hmac-secret) extension for Flutter — derive a stable per-credential secret from a synced passkey on iOS and Android. The PRF API the common passkey plugins don't expose.

A pure dart implementation of the 16-word seed scheme for monero

A dart package for interacting with the Kadena blockchain.

CRC calculator written in Dart supporting 50+ different CRC8, CRC16, CRC32 and CRC64 formulas.

ERC-1271 and ERC-7739 compatible signature management for passkeys, local keys, and platform keys.

A Flutter plugin for password-protecting PDFs with 256-bit encryption. Add a password for encryption, permissions management and decrypting a PDF

A straight-forward, modular library for Peercoin and other Satoshi-based UTXO blockchains

A Blowfish ECB codec implementation in pure Dart.

sss256 is a library with utilities for encode\decode secret with Shamir`s Secret Sharing algo

A BIP32 with SLIP132 support for Dart/Flutter community.

Yet another RC4 cryptor that encodes/decodes bytes and UTF8 strings.

A Flutter library for the Bitcoin Development Kit(bdk) (https://bitcoindevkit.org/)

fexr-flutter is a lite wallet for Rubix Blockchain Protocol that helps to Connect your on-chain connectors to authenticate or sign third party accounts which are integrated with Rubix Blockchain Platform and uses Fexr APIs. Strict permission requirements built in Fexr apps will protect the access to your data also while allowing seamless integration.

The coconut_lib is a development tool for mobile air gap Bitcoin wallets. It is written in Dart. Coconut Vault and Coconut Wallet were created using this library.

A package for encypt credit cards in the pagseguro model, without any sdk or js compilation

Interface of the ERC20 standard as defined in the EIP-20 Token Standard.

A pure Dart implementation of BIP85 - Deterministic Entropy

A flutter plugin, a library dedicated to aes_ecb_pkcs5 encryption and decryption, it has high performance and a simple API, small size and stable operation;

A Dart SDK for fetching Pyth price updates from Hermes and building Sui transactions that verify Wormhole VAAs and update or create Pyth price feeds on-chain.

Protect encrypts/decrypt your excel files with password.

An Ethereum RLP (Recursive Length Prefix) encoding library for Dart.

SSL Pinning plugin for HTTP requests (Validation by SHA-1 or SHA-256).

Dart implementation of Solana's Mobile Wallet Adapter Specification.

Dart client library for Ant Investor Audit Service - Tamper-proof audit trail with hash chaining and digital signatures

Production-grade multi-layer app security - SSL Pinning, Anti-Debug, Code Obfuscation, Play Integrity (Android), App Attest (iOS), Root/Jailbreak detection, and Native C protection layer.

flutter实现国密SM2、SM3、SM4算法

Dart library for interacting with Duniter v2s blockchains. Provides wallet management, transaction signing, Squid GraphQL requests, and more

Spec-aligned did:webvh v1.0 for Dart: create, resolve, update, migrate, deactivate, and parallel did:web publishing. A faithful, idiomatic port of didwebvh-java.

Package for decoding Json Web Token (JWT), and selecting specific claims.

rsa_cipher is a powerful and easy-to-use package for RSA encryption and decryption in Dart.

PBKDF2 password hashing utility. This plugin is a null-safety version of password_hash, you can use it if you need Flutter 2.x and above.

Post-quantum cryptography in Flutter, backed by Rust FFI

Visible & invisible watermarking for Flutter. Overlay text deters screenshots; forensic LSB steganography for tracing.

Official Flutter SDK for Voyant APIs - NSFW image detection, text analysis, and email services with secure HMAC authentication.

Ton Dart streamlines transaction management and crypto ops in the Ton network. It supports Wallet Contract, Highload Wallet, and Jetton contracts.

A Dart package for security-related functionalities. Vaden is a Backend Framework Using Dart.

Local-first sync engine for Flutter with offline support, delta sync, encryption, custom conflict resolvers, and real-time synchronization.

High-level cryptography for Dart. Fluent builder API with compile-time safety, sane defaults, and seamless cross-platform interoperability.

Dart implementation of EIP-712 (Ethereum typed structured data hashing and signing) that enables type-safe signing of structured data with Ethereum wallets.

Cryptography utility library for AES encryption and Pbkdf2 hashing algorithms.

A dart Bitcoin library for Flutter. BIP32, BIP39, P2PKH integration.

Pure Dart implementation of RSAES-OAEP (PKCS#1 v2.2)

A flutter plugin, a library dedicated to aes_ecb_pkcs5 encryption and decryption, it has high performance and a simple API, small size and stable operation;

A comprehensive library of high-level, cryptographic APIs. This library supports hashing, password hashing, two-way encryption, MAC authentication, and key/IV generation.

Dart package to veryify NXP tag originality against known or provided list of public keys

A Dart implementation of permissionless.js for ERC-4337 smart accounts. Supports Safe, Simple, Kernel, and Etherspot accounts with bundler and paymaster clients.

End-to-End-encryption Suite with curve M-511 for ECDH and ChaCha20 for files, strings and maps.

A Dart package for generating and verifying HOTP and TOTP one-time passwords using RFC 4226 and RFC 6238.

LexActivator API wrapper for Dart. Integrates Crypltex's services into the Dart language.

Super-fast AES-256 file encryption for Flutter with chunk-based processing for large files.

A dart/flutter library with language bindings for rust library [lwk](https://github.com/Blockstream/lwk) - Liquid Wallet Kit.

ECIES encryption for dart

Tamper-proof network time for Flutter. Anchored to hardware monotonic clocks with optional NTS (RFC 8915) to prevent system-time manipulation and network-level spoofing.

A robust security wrapper for Flutter applications implementing Runtime Application Self-Protection (RASP), SSL Pinning, and Anti-Proxy mechanisms.

A Flutter plugin for Windows and macOS desktop applications that enables adding X.509 certificates to the local certificate store with trust settings support.

Account Abstraction smart wallet client for Alchemy, only supports usage with gas manager

Flutter security plugin with root/jailbreak and emulator checks, screen capture protection, tamper detection, runtime protection, certificate pinning, and encrypted storage.

Подписание файлов и сообщений с помощью Crypto Pro

A Flutter plugin for XMTP decentralized messaging. Supports DMs, group chats, content codecs, consent management, and real-time streaming across Android, iOS, Windows, and Web.

A robust Flutter package for validating secure QR codes with battle-tested encryption, digital signatures, and customizable business rules. Perfect for access control, ticketing, and secure document verification.

A dart Bitcoin library for Flutter. BIP32, BIP39, P2PKH integration.

Dart implementation of the Dilithium signature scheme, which supports all 3 security levels (2, 3, 5).

A library for token management (JWT/JWE) and validation.

Secure, encrypted on-device crash log storage with export/import and duplicate detection. Drop-in Flutter package.

Provides bindings for hashing and verifying with Argon2, the winner of the Password Hashing Competition.

This is a Dart package that provides utilities for securely encrypting, decrypting, compressing, and decompressing string data using AES encryption and gzip compression

A comprehensive Flutter security module providing multiple layers of protection against common mobile app attacks including root/jailbreak detection, emulator detection, tampering detection, SSL pinning, and screenshot prevention.

A Flutter package project , it is use for HD wallet . Support BTC, ETH, ERC20-USDT transfer signature.

Dart implementation of ABDM Fidelius encryption (ECDH + HKDF + AES-256-GCM) for India's health data exchange.

A Flutter package for generating secure, auto-regenerating QR codes with encryption, digital signatures, and automatic expiration management.

A Package that provides you tools to make your flutter apps more secure

Implementation of the borsh serialization scheme

FNV hash algorithm for Dart language (see http://isthe.com/chongo/tech/comp/fnv/)

Lazysecret is a comprehensive Flutter implementation of the libsodium using secret_box library.

CVSS v2.0, v3.0, and v3.1 score calculation and parsing for Dart

crypt_signature

Cardinal SDK is a multiplatform SDK for the iCure platform.

End-to-end encrypted, on-chain (Arweave/Irys) chat for SeekerPay .skr identities.

Advanced End-to-End Encryption (E2EE) Service

Seald SDK for Flutter: simple end-to-end encryption for your app

Adaptive arithmetic coding for efficient lossless compression of bytes in pure Dart.

Encrypt and decrypt data use secp256k1, This is the High level API build amount pointycastle, specify Elliptic curve to secp256k1 can simplify the api.

AES Encryption & Decryption (AES-CBC-PKCS5Padding)

Age Encryption Yubikey PGP plugin

Flutter RASP plugin for Android & iOS: detects rooted/jailbroken devices, Frida/Xposed hooking, emulators, debuggers, and app tampering with NDK-level detection.

Flutter plugin for SQLCipher, an extension to SQLite that provides transparent AES encryption of database files.

Elliptic curve cryptography functions in Dart. Private Key, Public Key, Signature, AES, Encryption, Decryption

Generate obfuscated or encrypted Dart files from YAML/JSON configuration. Protect sensitive data in Flutter/Dart apps with multi-layer XOR obfuscation or AES-256 encryption.

Simple XOR symmetric encryption/decryption cipher with or without a secret key

Fuse Wallet SDK now has a Dart implementation, making it even easier to integrate blockchain technology into your mobile apps.

Pure Dart library allowing you to easily create an HD Wallet and create, sign and send Cosmos-SDK transactions.

Dart ffi bindings to the tinydtls library. Provides wrappers for both a DTLS client and server.

End to End encryption (RSA e2ee) for multiple languages (cross platform) and Value password protection (DES encryption) specially for local file encryption!

A Flutter plugin exposing the CIP-30 and CIP-95 APIs. Allows to communicate with the Cardano Wallet Extension via js_interop integration.

A FFI plugin package that implements xxHash, inspired by crypto.

A Flutter plugin that provides device and platform-related security features.

A universal Dart client for Solana programs — Anchor, Quasar, and Pinocchio. Provides dynamic IDL-based program interactions, zero-copy account decoding, multi-framework discriminator support, and seamless integration with the Solana ecosystem.

Web platform implementation of catalyst_cardano. Allows to communicate with the Cardano Wallet Extension via js_interop integration.

The Official Implementation of the Sonr Motor Node in Flutter. This package provides methods for Authentication, Data Management, and Wallet interactions for the Sonr Network.

Dart package providing serialization/deserialization for common structures for Cardano blockchain.

A feasible caching library for Flutter. Save any encrypted string.

A common platform interface for the catalyst_cardano plugin.

Encrypt values from `.secure_env` into Rust ciphertext at build time and read them at runtime via `dart:ffi` (AES-256-GCM). Keeps plaintext secrets out of Dart sources and JNI / Apple native binaries shipped with your app.

This plugin creates a secure native TLS connection to execute HTTP requests with certificate pinning.

An end to end encryption sdk for every developer. The sdk is focused on group encryption and supports child and connected groups.

Eliminates the Dart-Native "Copy Tax" using SIMD-aligned C++ shared memory, Pointer.asTypedList() bridging, and an atomic spinlock. Zero serialization. Zero GC impact.

AES block cipher algorithm CTR - Counter Mode, Supports all key sizes (128-bit, 192-bit and 256-bit) for Flutter (Android, iOS)

This package helps to encryption and decryption and hash with verification.

Targeting Flutter apps, the Cardano Wallet SDK is a high-level Dart library for managing cryptocurrency accounts & executing transactions on the blockchain.

A pure Dart Solana client library for keys, transactions, programs, and JSON-RPC/WebSocket access.

A high-performance, secure encryption library for Dart, leveraging the powerful **ChaCha20-Poly1305** algorithm.

A Flutter plugin for generating TON blockchain wallets, mnemonics, and fetching wallet assets.

Flutter plugin for steganography encoding and decoding files within an image using stegify API.

The AES-GCM Flutter Encryption Plugin secures Flutter apps using the AES-GCM algorithm, known for its strong security and efficiency.

Pure Dart library allowing you to easily integrate with the Commercio.network blockchain

Dart native client library for etebase and etesync.

Dart Package supporting Verifiable Credentials, Dids, a wallet for them, Didcomm and IWCE

age encryption implementation using Dart. age is a modern file encryption format with multiple pluggable recipients, and seekable streaming encryption.

Targeting Flutter apps, the Cardano Wallet SDK is a high-level Dart library for parsing and signing transactions.

Natively supports Fully Homomorphic Encryption operations on sensitive data without revealing it. Supports Key Derivation, Encryption, Decryption, and Mathematical operations.

Triple DES and DES block cipher implementation ported from CryptoJS

Native iOS/macOS Flutter plugin for Tor using Tor.xcframework (iCepa) with obfs4/snowflake bridge support via IPtProxy

A Dart package for generating and validating bearer tokens using HMAC-SHA256 encryption.

Boxx is your ultimate key-value storage plugin with built-in encryption

A Flutter plugin that support secp256r1 by Keystore on Android and Secure Enclave on iOS.

Dart FFI bindings for the Chromaprint audio fingerprinting library (AcoustID).

A Dart library for IP address encryption and obfuscation.

FileCryptor is for encryption and decryption files. (PDF, MP3, MP4, PNG, ...)

Chia Crypto Utils repository provides an object model for working with Chia primitives serving as a basis for a Chia client.

Production-grade Flutter security SDK providing SSL pinning, root/jailbreak detection, anti-tampering, Play Integrity, and App Attest support.

A set of high-level APIs over PointyCastle to hash and verify passwords securely.

Pure dart library to easily implement Noise Protocol Framework protocols.

A Flutter SDK for authentication with RSA encryption, designed for secure API requests and phone number encryption.

A flutter implementation of Triple DES (3DES) algorithm. This implementation relies on flutter method channel

dart_web3_core - a web3 library for dart for interaction with ethereum nodes using HTTP or WebSocket. Supports custom credentials providers like WalletConnect and Metamask.

Dart library to connect to Ethereum clients. Send transactions and interact with smart contracts!

High performance persistant memory based key-value storage with AES256 encryption. Support all features and can be used as drop-in of Dart Map<K,V>.

Flutter certificate pining for Dio package

Dart encryption library for encrypting/decrypting files, plain text and binary data in AES Crypt file format.

The Beacon Flutter Plugin provides Flutter developers with tools useful for setting up communication between native wallets supporting Tezos and dApps that implement beacon-sdk.

Dart literals obfuscator to defend against static reverse engineering.

Partial Dart implementation of COSE, RFC8152. It is used to validate European Digital Green Certificates.

Protect secrets with XOR obfuscation

A Dart library for parsing and building Ethereum URLs according to ERC-681 and ERC-831. Supports ERC-20 transfers, ENS names, and chain IDs.

A package to generate fake Android device IDs, in the same format as Android's Settings.Secure.ANDROID_ID.

Aes dart

A flutter plugin project for encryption and decrytion which support both ios and android.

A set of high-level APIs over PointyCastle to hash and verify passwords securely.

AES-GCM encryption and decryption utility with PBKDF2 key derivation support for Flutter apps.

Advanced security detection system for Flutter applications focused on Android and iOS. Detects Frida, Root/Jailbreak, Emulator, and Debugger threats with high precision.

Provides hash functionalities to encrypt AdHocIdentities as part of the ad_hoc_ident framework.

Easily sign, create, and send all types of XRP transactions using the xrpl_dart package. Manage your XRP Ledger transactions securely and with ease.

The Flutter AES256Cipher convert module, String text(Sentence) easy Encrypted/Decrypted

Json based key-value storage with AES encryption support. Supported data types are `int`, `double`, `bool`, `String` and `Writable object`.

Certificate pinning, HMAC request signing, AES-256 payload encryption, and mTLS for any_link. Pure Dart.

A Dart package for making HTTP requests with cryptographic signatures.

Production-ready native secret storage for Flutter. Multi-layer encryption, compiler optimization protection, configurable security checks, and function obfuscation. No plaintext in binary!

ChaCha20-Poly1305 encryption/decryption for Flutter. Encrypt binary and text-like data with ease. Native implementations make sure it has the fastest performance.

LocalStorage for Flutter with encryption like SharedPreferences

A powerfull plugin to encrypt and decrypt api responses and requests

A fast and secure storage library for Flutter: store key and iv in FlutterSecureStorage and individual iv for every record in SQLite

A utility package to generate MD5 hashes and other helpers for Flutter apps.

The package helps in to encrypt and decrypt using AES-128 algorithm cbc PBKDF2WithHmacSHA1 AES/CBC/PKCS5Padding

Effortlessly integrate Easypaisa into your app with our Flutter package. Simplify payments & ensure secure transactions using RSA Encryption for user data protection.

Secure cross-platform vault for Flutter using native storage (iOS Keychain, Android Keystore, Windows Credential Manager). Supports iCloud sync, Auto Backup, and TPM.

Bmoni Embedded SDK for Flutter — Ethereum wallet provisioning and signing backed by Android Keystore / iOS Secure Enclave.

A flutter package that aim to take care of your mobile app security side.

Low-level library for the NANO cryptocurrency. Supports signatures, key generation, and more. Uses C functions for ed25519 and blake2b.

A high-performance Dart FFI package for decoding BlurHash, leveraging Rust for faster processing.

A Flutter wrapper for the dart_rust_encrypt package.

Rust backend support crypto flutter library, much faster than Dart-implementation library, light-weight library. Some crypto support hardware accelerate.

Library implementing Bitcoins BIP173 (Bech32 encoding) specification in a Flutter friendly fashion.

A Flutter plugin to host Tor Onion Hidden Services and proxy traffic through Tor.

A flutter plugin, a library dedicated to aes_ecb_pkcs5 encryption and decryption, it has high performance and a simple API, small size and stable operation;

A package providing bijective UUID mapping for secure and efficienct lookups.

Advanced root detection and jailbreak detection Flutter plugin with comprehensive security checks.

A Dart port of the Cryptum encryption library providing hybrid RSA/AES-GCM encryption with secure session key handling and dynamic format negotiation.

A pure Dart implementation of Indian Post DigiPin encoding and decoding.

A Flutter plugin to scan, connect & sign transactions using your Ledger Nano devices

A complete Flutter package for End-to-End Encryption (E2EE), secure file encryption, and key management using libsodium.

Generates passwords which can contain digits, lower case letters, upper case letters and punctuations.

A plugin to check Certificate Transparency using OkHttp and CTLogger.

This package is an implementation of xor cipher for encrypting strings in flutter.

a dart libary that tries to implement crypto-js like functionality.

Accept 10+ cryptocurrencies from customers anywhere in the world using FluidCoins.

Your data remains secure as it is seamlessly embedded into the image. Even when viewing the image, no one will suspect that it contains hidden information.

A cryptographically secure nonce generator for Dart. Generate random nonces as hex, bytes, base64, or alphanumeric strings using cryptographically secure random number generation.

Automated cache management with encryption, substitution/invalidation policies and efficient size handling.

A native Rust cryptographic SDK for Flutter via FFI. AES-256-GCM, ChaCha20-Poly1305, BLAKE3, SHA-3, Argon2id, HKDF, streaming encryption, and encrypted virtual file system.

A plugin for generating a hash based on Argon2 algorithm in Android / iOS platform.

A gunDB port P2P encrypted Communication between multiple users.

Easy encryption is a package which makes encrypting data easier. Using this package you can encrypt text data in a single line.

A Future-based library for interacting with the Decentrifi Defi Hub. Access data on ENS, lending, borrowing, vaults, farming and staking on multiple chains.

secure_enclave is implementation Apple Secure Enclave for Flutter

library for easy use encrypt & decrypt features, generate bytes & string

A lightweight pure-Dart SQL database engine for Flutter with AES-256 encryption, migrations, spatial indexing, and a built-in admin UI for mobile and desktop apps.

A package that embeds a message (text or image) into a (cover image/text) using the least significant bit (LSB) & Zero-width techniques with minimal alteration to the original cover image or text.

Cross-platform string encryption using common best-practices.

Ethereum library and wallet implementation in Dart.

A plugin for using native Argon2/AES in Android and IOS

A comprehensive Flutter security package providing enterprise-grade protection with real-time threat detection, AI-assisted monitoring, root/jailbreak detection, secure storage, SSL pinning, and screen capture protection. Features include device security checks, anti-reverse engineering, behavior monitoring, and configurable security modes.

Fixed implementation of high-level bindings to the Z3 SMT solver.

E2E-encrypted JSON-RPC 2.0 communication over Nostr NIP-59 Gift Wrap

Toronet is a Dart/Flutter SDK providing seamless integration with blockchain, wallet, payments, KYC, exchange, and balance APIs. It enables developers to build secure, scalable, and feature-rich financial applications with ease.

A simple, flexible Dart package for encrypting and decrypting strings using a customizable substitution cypher. Supports custom sequences, variable steps, and works with any UTF-8 string.

SDK for encryption and validation of credit card data for integration with the Juno/BoletoBancário payment API.

A simple Dart library providing basic string encryption and decryption using XOR and Caesar cipher techniques. Ideal for lightweight data obfuscation.

A dart implement of ed25519 referenced from python and java.

The largest Dart algorithm library—soon global—packed with 300+ algorithms spanning machine learning, networking, encryption, blockchain, and beyond.

A Dart library which supports hiding data in images using LSB steganography.

The `AESCBCCipher` is a singleton class that provides AES encryption and decryption functionality using the `encrypt` package. It is used to encrypt and decrypt data using the AES (Advanced Encryption Standard) algorithm in CBC (Cipher Block Chaining) mode.

A comprehensive Flutter utility library providing 100+ essential tools including text generators, calculators, converters, image processors, encoders/decoders, network tools, validators, and much more!

A Dart library for concealing and revealing data in various file formats