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.

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

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

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

Ed25519 signature implementation for Dart, ported from Go cryptography and compatible with RFC 8032 keys.

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

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

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

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

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

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.

Base58Check encoding using dart:convert interface

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

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

Argon2 password hashing (argon2id, argon2i, argon2d) backed by the Zig standard library. Ships prebuilt native libraries for Dart and Flutter and a WebAssembly module for the web, so no local toolchain is needed.

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

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

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

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

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

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

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

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

Renamed to convertlib. This package now re-exports convertlib for backward compatibility and is deprecated. Please migrate to the convertlib package.

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.

basic elliptic curves in pure dart

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

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

Dart port of x25519 from Go Cryptography curve25519.

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

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

Dart implementation of Bitcoin BIP39 Mnemonic code for generating deterministic keys

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.

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

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

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

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

A simple Dart library for asymmetric encryption and digital signatures

Cross-platform implementation of Web Cryptography APIs for Dart.

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

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

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

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

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

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

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

BIP-0032 like derivation for ed25519 curve

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

Lightweight implementation of JSON Web Tokens (JWT).

Package for at_protocol cryptographic and hashing operations

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

BIP340 (Schnorr) signature and verification.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Dart port of DropBox's zxcvbn library.

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

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

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

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

Annotation used to make a Dart object borsh serializable.

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

edwards25519, where security meets simplicity in cryptography!!

Serialize an ed25519 key into the openssh format

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

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.

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

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

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

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

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

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

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

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

Pure-Dart symmetric ciphers (AES modes, ChaCha20, XChaCha20, Salsa20, XSalsa20), their Poly1305 AEAD variants, and ML-KEM post-quantum key encapsulation (FIPS 203).

MIRACL Trust Flutter Plugin

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 tiny cup, a mighty punch - ristretto255!!

Triple DES and DES block cipher implementation ported from CryptoJS

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

Convert Ed25519 public keys between various encoding formats.

Ethereum signature utility porting from JS

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

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.

A set of cryptographic hashing functions implemented in pure Dart

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.

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

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

MurmurHash v3 Implementation in Dart.

Native device-signer plugin for the Crossmint Flutter SDK — hardware-backed key generation and signing via Secure Enclave (iOS) and Android Keystore.

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

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

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

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

Pure-Dart wallet primitives for the Crossmint Flutter SDK — wallet models, signer abstractions, and API contracts.

Key pair and Ed25519 operations for the Solana Kit Dart SDK.

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

Transaction compilation and signing for the Solana Kit Dart SDK.

Base58 address utilities for the Solana Kit Dart SDK.

PBKDF2 password hashing utility

Pure-Dart verifiable credentials primitives for the Crossmint Flutter SDK — credential models, issuance, and verification.

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

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

Strobe contains implementation of the Strobe protocol framework.

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

Converting BIP39 entropy to valid Substrate SecretKeys.

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

Provide Blake encryption support, dart implementation library

A sr25519 cryptography library in pure Dart

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

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

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.

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

Pure Dart compression codecs (deflate, LZMA/LZMA2 — decode and encode) and crypto primitives, usable standalone or inside the koni_archive ecosystem.

基于Dart语言实现的国密SM2、SM3、SM4算法。

A collection of utility functions for cryptocurrencies.

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

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

Umbrella package re-exporting all Solana Kit Dart SDK packages.

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

Reed–Solomon error correction. Forked from dart_reed_solomon to add sound null safety.

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

Wraps libopus in dart, and additionally provides a dart friendly API for encoding and decoding.

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

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.

mpl-bubblegum (compressed NFT) instruction builders and helpers for the Solana Kit Dart SDK.

A BIP32 with SLIP132 support for Dart/Flutter community.

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

Off-chain message signing for the Solana Kit Dart SDK.

Native CBOR codec for CrateStack Dart/Flutter: flutter_rust_bridge (native, vendored) and wasm-bindgen (web, vendored), mirroring @cratestack/cbor conditional exports for JS.

A pure Dart package for encoding and decoding Uniform Resources (URs), the URI-encoded CBOR format developed by Blockchain Commons.

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

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

On-device, precision-first PII redaction for Dart and Flutter. Scrub emails, phones, cards, SSNs and more from text before it reaches any LLM, then restore the model's reply.

Pure Dart implementation of the Solana Mobile Wallet Adapter protocol v2.0. Provides cryptography, message framing, JSON-RPC types, and session management without Flutter dependencies.

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

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

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

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

Generate a cryptographically random passphrase from a given in-memory word list.

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

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

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

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

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

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

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

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

A comprehensive libp2p pubsub implementation for Dart, featuring GossipSub v1.1, FloodSub, and RandomSub protocols with message validation, peer scoring, and tracing support.

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

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

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

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

Substrate Keyring.

Pure-Dart post-quantum crypto for Dart, Flutter, and Serverpod: ML-KEM, ML-DSA, SLH-DSA, AES-256-GCM, ChaCha20-Poly1305, hybrids, streaming, and a CLI.

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

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

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

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

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

BIP32 hierarchical deterministic key derivation utilities used by NDK.

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

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

Cryptography utility library for AES encryption and Pbkdf2 hashing algorithms.

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

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

A dart package for interacting with the Kadena blockchain.

Base package defining the interface for an Argon2 implementation.

An implementation of the TSL1 Token Protocol for the BSV blockchain.

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

Adyen card client side encryption

Generate MD5, SHA-256, and SHA-512 digest hashes from files, byte data, or streams.

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

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

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

Production-ready Dart SDK for Accumulate blockchain. Multi-signature support (Ed25519, BTC, ETH, RSA, ECDSA), SmartSigner API, complete V2/V3 protocol.

Dart native bindings for trust wallet core, used in Flutter and Dart.

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

Post-quantum cryptography in Flutter, backed by Rust FFI

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

Stable core primitives for dart_ipfs (CID, multihash, multibase, block, codecs, crypto).

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.

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

A Flutter-first, Rust-powered cryptography package with native RSA, AEAD, hashing, KDF, ECC, compatibility primitives, and typed workflows.

HuggingFace tokenizers for Dart over FFI. Load any tokenizer.json and get byte-exact BPE, WordPiece, and Unigram encoding, backed by the Rust crate.

Best-effort secret memory zeroing, constant-time operations, and secure containers for pure Dart. No FFI or dart:io required.

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

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

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

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

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

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

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

Dart bindings for the Cera on-device inference engine. Runs GGUF LLMs locally through dart:ffi, with no Flutter dependency.

A dart implement of blake2b referenced from blacknet.

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.

Trezor hardware wallets in Flutter over native USB and Bluetooth LE, with Codec v1 and the encrypted Trezor-Host Protocol (THP) in pure Dart.

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

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.

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

encrypt and desencrypt compatible with CryptoJS

A pure Dart implementation of BIP85 - Deterministic Entropy

Deterministic CBOR, COSE structures, ISO boxes, and JUMBF for C2PA.

Pure-Dart threshold cryptography: verifiable secret sharing, distributed key generation and FROST threshold signatures, so no single party ever holds the full secret.

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

The first native Flutter/Dart SDK for the XRP Ledger (XRPL). Pure Dart, no platform channels. Payments, DEX, tokenization and account security.

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;

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

BLAKE3 hashing for Dart over native FFI: 22x the throughput of the pure-Dart path on bulk data. One-shot, streaming, keyed (MAC), key derivation. C compiled at build.

Local storage for Flutter with no third-party packages: Map records, live streams, queries, indexes, AES-256 encryption and a disk-backed box for big data.

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

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

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

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

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

FROST threshold Schnorr signatures using an underlying Rust library

Selective Disclosure JWT with a ZK-friendly Poseidon hash, backed by prebuilt Rust native binaries. No Rust toolchain required to consume it.

Dart-native C2PA reader, builder, signing, and validation SDK.

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

A Blowfish ECB codec implementation in pure Dart.

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

Native Flutter file and string hashing powered by Zig, with SHA, MD5, HMAC, BLAKE3, XXH3, cancellation, mmap, and Android content:// support.

Pure-Dart PKCS#12 (.pfx/.p12) parser. Extracts certificates, private and public keys without OpenSSL. Supports PBES1, PBES2 (AES), MAC verification, RSA and EC.

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

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

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

A straight forward implementation of base58check extending upon base58.

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

With this package your app can act as a bunker and will be able to sign events from others Nostr apps.

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)

TwoLevelQR - A Dart SDK that implements a keyed two-level QR mode that hides a secret message, optionally encrypted (AES-SIV, ChaCha20-Poly1305), during encoding of a QR.

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

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

Native cryptography for Flutter over dart:ffi: hashing, AEAD, post-quantum, hybrid KEM, sealed messaging, Noise, recipes and easy-mode keys, engine bundled.

Pure Dart utilities for transaction intent challenges, operation terms hashing, optional liveness-aware summaries, and audit-friendly signed assertions.

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

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

Dart and Flutter client for Upbit, Bithumb, Binance, and Hyperliquid through one native and Web API.

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.

Pure Dart Reed-Solomon encoder/decoder over GF(2^m), with full errors-and-erasures decoding.

A Dart library for IP address encryption and obfuscation.

Support library for Nitrite database to provide some additional features like encryption, import/export database etc.

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

DPoP proof JWTs for Dart (RFC 9449) — ES256 key handling, PEM storage, JWK thumbprints, access-token binding and server-supplied nonces.

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

Native Flutter/Dart SDK for the SHx token ecosystem on Stellar. SHx asset operations, governance voting, and escrow contract bindings.

Constant-memory magic-byte validation for JPEG, PNG, and PDF files.

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

Unofficial PASETO implementation for Dart

Enterprise DRM & Hardware-Locked Secure PDF & GDRM Document Viewer SDK with Dynamic Forensic Watermarking.

On-device NSFW (18+) image detection and compression to an exact byte limit and resolution, powered by a Rust core.

Recovery-phrase reveal, verification and import screens for Flutter wallets, with a PIN gate, screenshot-protection hooks, random-word checks and clipboard clearing.

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

Post-quantum cryptography (liboqs) for Dart and Flutter with the native library bundled automatically. Wraps the oqs package, with no manual setup.

Pure-Dart post-quantum transport: UDP, TLS 1.3 hybrid (X25519MLKEM768 / SecP256r1MLKEM768 / SecP384r1MLKEM1024), DNS/DoH/DoT, mDNS, QUIC, HTTP/1.1–3.

Complete NEAR Protocol SDK for Flutter/Dart. RPC client, wallet integration, NEAR Intents, and type-safe primitives.

Seal vault items under a vault key with AES-256-GCM and wrap that key with X25519 or ML-KEM-768.

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

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.

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

A native Flutter/Dart SDK for Solana payments. Pure Dart, no platform channels. Solana Pay and Subscriptions & Allowances, built from official specs.

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

GF(2^m) Galois field arithmetic for symbol sizes 2..16 with configurable primitive polynomial and primitive element.

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.

A server solution that is independent of external dependencies, has its own database engine, is end-to-end encrypted, and is autonomous.

A helper library for storing application secrets in an encrypted file using the master secret provided by the XDG Desktop Portal Secret API.

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

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

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

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

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.

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

Air-gapped ERA hardware wallet SDK: UR/QR linking and signing for EVM, Bitcoin (+ LTC/DOGE/DASH/BCH), Solana, Tron, TON, Cardano, Sui, Cosmos and XRP. Headless, zero-I/O.

The first native Flutter/Dart SDK for the Avalanche network. Pure Dart, no platform channels. Covers C-Chain EVM, Data API (Glacier), P-Chain staking, and X-Chain native assets.

A monero library

UBL 2.1 XML-DSig enveloped signer for Croatian eInvoices (eRačun, Fiscalization 2.0). Exclusive C14N, RSA-SHA256, PKCS#12, no OpenSSL. Byte-compatible with .NET SignedXml.

HTTPS client with certificate and SPKI SHA256 pinning, runtime pin updates and audit callbacks. Validates the TLS socket before sending HTTP data.

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

Ios implementation of cs_monero_flutter_libs

Certificates, mutual TLS and a per-installation certificate authority for Dart, over a native library built on rustls-webpki, rcgen and aws-lc-rs.

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

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

Android x86_64 bins for cs_monero_flutter_libs

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

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.

Secure-storage persistence backend for the Toggly Flutter SDK (feature_flags_toggly), enabling offline feature flag, variant, and JWKS caching via flutter_secure_storage.

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

A fast, extra-light, synchronous key-value storage with production-grade AES-GCM-256 encryption. A highly secure alternative to get_storage.

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

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

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

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

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

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

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

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

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

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

On-device, provider-agnostic input/output safety for Dart & Flutter AI apps: PII redaction, prompt-injection and secret detection, output validation.

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

Pure Dart implementation of the age v1 file format with native and extensible recipients, passphrases, post-quantum hybrids, and streaming.

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

ECIES encryption for dart

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

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

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

Implementation of the borsh serialization scheme

NIP-49 Private Key Encryption for Nostr protocol - encrypt/decrypt private keys with passwords.

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

Flutter screens and secure local services for creating and restoring self-custodial Solana wallets.

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

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

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

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

A lightweight, pure-Dart library to detect and decrypt password-protected Microsoft Office Excel (.xlsx) and OOXML files.

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

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

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

A pure Dart solution for Monero cryptography, supporting RingCT transactions, Bulletproof Plus, multi-sig accounts, account management, and full daemon/wallet RPC support.

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

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

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;

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

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

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.

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

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

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

Cross-platform file and data storage for Dart and Flutter. Save, read, stream, and cache with one API on every platform — auto-cleanup, encryption, custom backends.

Cross-platform file and data storage for Flutter, zero setup — files land in the right folder on Android, iOS, macOS, Windows, Linux, and web. Caching, auto-cleanup, encryption.

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

Подписание файлов и сообщений с помощью Crypto Pro

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

Hardware-backed, attestable EC P-256 keys for Flutter — Android Keystore/StrongBox and iOS Secure Enclave, non-exportable, ES256/JOSE, with key attestation.

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

A lightweight wrapper for sensitive strings that reduces (does not eliminate) in-memory persistence via explicit zeroize-on-dispose, inspired by Rust's secrecy/zeroize crates.

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.

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

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

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

Pure Dart implementation of the TON Connect 2 protocol: encrypted HTTP bridge sessions, the injected JS bridge, the wallet registry and universal links.

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

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.

Dart literals obfuscator to defend against static reverse engineering.

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

A comprehensive security plugin for Flutter that detects Root/Jailbreak, VPN, Screen Recording, Mirroring, Casting, Developer Mode, and Emulators.

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

Protect encrypts/decrypt your excel files with password.

Dart native client library for etebase and etesync.

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

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

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

A flutter bcrypt hashing plugin delegating to android / ios native implementations.

Securely is a flutter plugin for Runtime Application Self-Protection (RASP).

Kaalka encryption algorithm for Dart. Application-ready time protocol: envelope, seal, replay protection, file chunking, public API. Pure Kaalka time-based logic, no external crypto. Cross-language compatible with Python and JavaScript.

Read, embed, transplant, and verify TC260 AIGC metadata in PNG and JPEG images.

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

A Dart SDK for the Hyperliquid DEX — REST API, WebSocket subscriptions, EIP-712 signing, and order management.

Dart/Flutter SDK for the SafHandle name service on Safrochain — resolve wallet addresses by name and register handles on-chain, mirroring the contract's validation.

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

flutter实现国密SM2、SM3、SM4算法

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.

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

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

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

Versioned Flutter key-value storage with authenticated encryption and change streams.

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

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

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

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

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

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

A common platform interface for the catalyst_cardano plugin.

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

crypt_signature

Secure storage with optional biometric protection for Android, iOS, and macOS. Linux, Windows, and web fall back to unauthenticated storage.

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

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

Cardinal SDK is a multiplatform SDK for the iCure platform.

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

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

A simplified cryptographic library by Meeco - encrypt and decrypt as well as sign and verify data.

A production-grade, cryptographically secure password generator with mutation engine and CLI support for Dart and Flutter.

Biometric security for Flutter: Face ID, Touch ID & fingerprint authentication with hardware-backed encrypted storage and app-lock, on Android and iOS.

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

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

Age Encryption Yubikey PGP plugin

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

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

A comprehensive Dart wrapper for the Binance API, covering all major endpoints including Spot, Futures, Margin, and more.

Encrypt / Decrypt the String with given Key and IV. It includes built-in password generator also.

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.

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

Dart package for generating mnemonic code in 10 different languages.

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

Pure dart library to easily implement Noise Protocol Framework protocols.

a collection of utility functions for Ethereum

Dart implementation of Solana's Mobile Wallet Adapter Specification.

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

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

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

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

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

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

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

SD-JWT VC + OpenID4VCI/OpenID4VP protocol library for Dart wallets (holder role). Key- and HTTP-agnostic, pure logic, fully testable without hardware.

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

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.

A pure-Dart SDK for the Aptos blockchain: accounts, keys, transactions, keyless, and indexer queries. Works on Dart VM, Flutter, and the web.

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

A flexible and easy-to-use Time-based One-Time Password (TOTP) generator for Dart and Flutter applications. This package supports multiple hash algorithms and secret encodings, making it compatible with most TOTP implementations.

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.

Extension of easy_hive to support encryption.

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

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

Advanced End-to-End Encryption (E2EE) Service

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

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>.

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

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

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.

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

Authenticated text and binary encryption for Dart with AES-256-GCM, associated data, rotation, and CryptoJS migration.

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

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

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

Encrypt and Decrypt strings in flutter with pure Dart code.

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

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

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

Lazy XChaCha20-Poly1305 in Flutter base on cryptography

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.

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

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

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

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

AES Encryption & Decryption (AES-CBC-PKCS5Padding)

A Library that can produce Cryptographic hash or can encrypt and decrypt text with key.

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

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

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

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

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

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

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

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

A starting point for Dart libraries working with Ethers.js .

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.

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

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.

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.

Dart CLI tool and library for text obfuscation and deobfuscation using custom mapping, Base64, ROT13, XOR, and string reversal.

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

Protect secrets with XOR obfuscation

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

Aes dart

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.

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

Triple DES and DES block cipher implementation ported from CryptoJS

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

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

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

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

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.

Dart implementation of the OpenTimestamps protocol for Bitcoin blockchain timestamping

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

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

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

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

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

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.

This Crypto Address Wallet class is a widget that displays a cryptocurrency address. It takes a number of parameters as input that allow to set its display and various properties.

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

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

LocalStorage for Flutter with encryption like SharedPreferences

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

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

Flutter certificate pining for Dio package

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

Cryptographic for blockchain encryptions & wallets.

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

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

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

Secure Flutter plugin for storing sensitive data with hardware-backed encryption (iOS Secure Enclave, Android Keystore).

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

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

A powerfull plugin to encrypt and decrypt api responses and requests

Flutter End-to-end encryption (E2EE)

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;

APK security scanner that detects hardcoded API keys and credentials before they reach production.

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

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

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

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

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

A plugin to check Certificate Transparency using OkHttp and CTLogger.

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

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

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

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

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

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

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

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

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

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

A Dio interceptor that encrypts requests and decrypts responses using AES encryption, ensuring secure data transmission.

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

A Flutter wrapper for the dart_rust_encrypt package.

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

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.

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

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 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.

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

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

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.

Ethereum library and wallet implementation in Dart.

Cross-platform string encryption using common best-practices.

secure_enclave is implementation Apple Secure Enclave for Flutter

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

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

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

A gunDB port P2P encrypted Communication between multiple users.

A Dart package for making HTTP requests with cryptographic signatures.

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

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

A dart implement of ed25519 referenced from python and java.

A Flutter plugin for interacting with the RGB protocol, enabling asset management and transfers on Bitcoin Network.

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

library for use RSA with support for ohos.

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

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