hashlib 1.13.0

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

hashlib

This library contains implementations of secure hash functions, checksum generators, and key derivation algorithms optimized for Dart.

Checkout the hashlib_codecs that is being used by this package to encode and decode bytes.

Features

Block Hash Algorithms

Algorithm	Available methods	Source
MD5	md5	RFC-1321
SHA-1	sha1	RFC-3174
SHA-2	sha224, sha256, sha384, sha512, sha512t224, sha512t256	RFC-6234
SHA-3	sha3_224, sha3_256, sha3_384, sha3_512	FIPS-202
SHAKE-128	Shake128, shake128, shake128_128, shake128_256	FIPS-202
SHAKE-256	Shake256, shake256, shake256_256, shake256_512	FIPS-202
Keccak	keccak224, keccak256, keccak384, keccak512	Team Keccak
Blake2b	blake2b160, blake2b256, blake2b384, blake2b512	RFC-7693
Blake2s	blake2s128, blake2s160, blake2s224, blake2s256	RFC-7693
xxHash-32	XXHash32,xxh32,xxh32code	Cyan4973
xxHash-64	XXHash64,xxh64,xxh64code	Cyan4973
xxHash3-64	XXH3, xxh3, xxh3code	Cyan4973
xxHash3-128	XXH128, xxh128, xxh128code	Cyan4973
RIPEMD	ripemd128, ripemd256, ripemd160, ripemd320	ISO/IEC 10118-3:2018(E)

Password / Key Derivation Algorithms

Algorithm	Available methods	Source
Argon2	Argon2, argon2d, argon2i, argon2id	RFC-9106
PBKDF2	PBKDF2, pbkdf2, #.pbkdf2	RFC-8081
scrypt	scrypt, Scrypt	RFC-7914

Message Authentication Code (MAC) Generators

Algorithms	Available methods	Source
HMAC	HMAC, #.hmac	RFC-2104
Poly1305	Poly1305, poly1305, poly1305pair	RFC-8439

OTP generation for 2FA

Algorithms	Available methods	Source
HOTP	HOTP	RFC-4226
TOTP	TOTP	RFC-6238

Other Hash Algorithms

Algorithms	Available methods	Source
CRC	crc16, crc32, crc64	Wikipedia
Alder32	alder32	Wikipedia

Demo

A demo application is available in Google Play Store featuring the capabilities of this package.

Getting Started

The following import will give you access to all of the algorithms in this package.

import 'package:hashlib/hashlib.dart' as hashlib;

Check the API Reference for details.

Usage

Examples can be found inside the example folder.

import 'package:hashlib/hashlib.dart';
import 'package:hashlib_codecs/hashlib_codecs.dart';

void main() {
  var text = "Happy Hashing!";
  var key = "password";
  var pw = key.codeUnits;
  var salt = "some salt".codeUnits;
  print("text => $text");
  print("key => $key");
  print("salt => ${toHex(salt)}");
  print('');

  // Example of hash code generations
  print('[XXH32] => ${xxh32code(text)}');
  print('[CRC32] => ${crc32code(text)}');
  print('[Alder32] => ${alder32code(text)}');
  print('[CRC16] => ${crc16code(text)}');
  print('');

  // Examples of Hash generation
  print('[CRC64] => ${crc64sum(text)}');
  print('[XXH64] => ${xxh64sum(text)}');
  print('[XXH3] => ${xxh3sum(text)}');
  print('[XXH128] => ${xxh128sum(text)}');
  print('[MD5] => ${md5.string(text)}');
  print('[SHA-1] => ${sha1.string(text)}');
  print('[SHA-224] => ${sha224.string(text)}');
  print('[SHA-256] => ${sha256.string(text)}');
  print('[SHA-384] => ${sha384.string(text)}');
  print('[SHA-512] => ${sha512.string(text)}');
  print('[SHA-512/224] => ${sha512t224.string(text)}');
  print('[SHA-512/256] => ${sha512t256.string(text)}');
  print('[SHA3-224] => ${sha3_224.string(text)}');
  print('[SHA3-256] => ${sha3_256.string(text)}');
  print('[SHA3-384] => ${sha3_384.string(text)}');
  print('[SHA3-512] => ${sha3_512.string(text)}');
  print('[Keccak-224] => ${keccak224.string(text)}');
  print('[Keccak-256] => ${keccak256.string(text)}');
  print('[Keccak-384] => ${keccak384.string(text)}');
  print('[Keccak-512] => ${keccak512.string(text)}');
  print('[SHAKE-128] => ${shake128.of(20).string(text)}');
  print('[SHAKE-256] => ${shake256.of(20).string(text)}');
  print('[BLAKE-2s/256] => ${blake2s256.string(text)}');
  print('[BLAKE-2b/512] => ${blake2b512.string(text)}');
  print('');

  // Examples of MAC generations
  print('HMAC[MD5] => ${md5.hmac(pw).string(text)}');
  print('HMAC[SHA1] => ${sha1.hmacBy(key).string(text)}');
  print('HMAC[SHA256] => ${sha256.hmacBy(key).string(text)}');
  print('HMAC[SHA3-256] => ${HMAC(sha3_256, pw).string(text)}');
  print("[BLAKE-2b/224] => ${Blake2bMAC(28, pw).string(text)}");
  print("[BLAKE-2b/256] => ${blake2b256.mac(pw).string(text)}");
  print('');

  // Examples of PBKDF2 key derivation
  print("PBKDF2[HMAC[SHA256]] => ${pbkdf2(pw, salt, 100)}");
  print("PBKDF2[HMAC[SHA1]] => ${sha1.hmac(pw).pbkdf2(salt, 100)}");
  print("PBKDF2[BLAKE2b-256-MAC] => ${blake2b256.mac(pw).pbkdf2(salt, 100)}");
  print("PBKDF2[HMAC[BLAKE-2b-256]] => ${blake2b256.pbkdf2(pw, salt, 100)}");
  print('');

  // Examples of OTP generation
  int nw = DateTime.now().millisecondsSinceEpoch ~/ 30000;
  var counter = fromHex(nw.toRadixString(16).padLeft(16, '0'));
  print('TOTP[time=$nw] => ${TOTP(salt).value()}');
  print('HOTP[counter=$nw] => ${HOTP(salt, counter: counter).value()}');
  print('');

  // Examples of Argon2 key derivation
  var argon2Test = Argon2Security.test;
  print("[Argon2i] => ${argon2i(pw, salt, security: argon2Test)}");
  print("[Argon2d] => ${argon2d(pw, salt, security: argon2Test)}");
  print("[Argon2id] => ${argon2id(pw, salt, security: argon2Test)}");

  // Examples of scrypt key derivation
  var scryptLittle = ScryptSecurity.little;
  print("[scrypt] => ${scrypt(pw, salt, security: scryptLittle, dklen: 24)}");
  print('');
}

Benchmarks

Libraries:

• Hashlib : https://pub.dev/packages/hashlib
• Crypto : https://pub.dev/packages/crypto
• PointyCastle : https://pub.dev/packages/pointycastle
• Hash : https://pub.dev/packages/hash

With 5MB message (10 iterations):

Algorithms	hashlib	PointyCastle	crypto	hash
MD5	170.53MB/s	81.35MB/s 110% slower	136.30MB/s 25% slower	76.73MB/s 122% slower
HMAC(MD5)	159.58MB/s	➖	136.15MB/s 17% slower	76.89MB/s 108% slower
SHA-1	142.59MB/s	53.02MB/s 169% slower	102.50MB/s 39% slower	43.61MB/s 227% slower
HMAC(SHA-1)	141.53MB/s	➖	101.98MB/s 39% slower	➖
SHA-224	95.10MB/s	21.01MB/s 352% slower	87.38MB/s 9% slower	20.61MB/s 361% slower
SHA-256	94.87MB/s	21.24MB/s 346% slower	87.11MB/s 9% slower	20.53MB/s 362% slower
HMAC(SHA-256)	95.04MB/s	➖	87.26MB/s 9% slower	➖
SHA-384	151.95MB/s	4.94MB/s 2974% slower	53.19MB/s 186% slower	17.97MB/s 745% slower
SHA-512	151.55MB/s	4.97MB/s 2946% slower	53.18MB/s 185% slower	18.19MB/s 733% slower
SHA3-256	94.98MB/s	3.21MB/s 2859% slower	➖	➖
SHA3-512	151.83MB/s	1.70MB/s 8831% slower	➖	➖
RIPEMD-128	209.75MB/s	43.57MB/s 381% slower	➖	➖
RIPEMD-160	65.42MB/s	28.20MB/s 132% slower	➖	34.23MB/s 91% slower
RIPEMD-256	224.79MB/s	43.14MB/s 421% slower	➖	➖
RIPEMD-320	66.21MB/s	27.56MB/s 140% slower	➖	➖
BLAKE-2s	142.40MB/s	➖	➖	➖
BLAKE-2b	163.02MB/s	12.12MB/s 1244% slower	➖	➖
Poly1305	432.83MB/s	152.54MB/s 184% slower	➖	➖
XXH32	471.74MB/s	➖	➖	➖
XXH64	534.63MB/s	➖	➖	➖
XXH3	118.42MB/s	➖	➖	➖
XXH128	119.06MB/s	➖	➖	➖

With 1KB message (5000 iterations):

Algorithms	hashlib	PointyCastle	crypto	hash
MD5	161.58MB/s	80.23MB/s 101% slower	127.70MB/s 27% slower	98.07MB/s 65% slower
HMAC(MD5)	129.45MB/s	➖	106.28MB/s 22% slower	72.41MB/s 79% slower
SHA-1	131.47MB/s	50.05MB/s 163% slower	96.13MB/s 37% slower	47.31MB/s 178% slower
HMAC(SHA-1)	98.25MB/s	➖	69.93MB/s 40% slower	➖
SHA-224	88.27MB/s	19.99MB/s 341% slower	81.18MB/s 9% slower	20.52MB/s 330% slower
SHA-256	88.17MB/s	19.93MB/s 342% slower	81.11MB/s 9% slower	20.62MB/s 327% slower
HMAC(SHA-256)	63.57MB/s	➖	58.88MB/s 8% slower	➖
SHA-384	130.47MB/s	4.46MB/s 2825% slower	46.76MB/s 179% slower	19.61MB/s 565% slower
SHA-512	130.27MB/s	4.44MB/s 2834% slower	46.79MB/s 178% slower	19.69MB/s 562% slower
SHA3-256	88.18MB/s	3MB/s 2835% slower	➖	➖
SHA3-512	129.73MB/s	1.59MB/s 8028% slower	➖	➖
RIPEMD-128	191.74MB/s	41.07MB/s 367% slower	➖	➖
RIPEMD-160	60.40MB/s	26.46MB/s 128% slower	➖	35.69MB/s 69% slower
RIPEMD-256	208.81MB/s	40.60MB/s 414% slower	➖	➖
RIPEMD-320	60.47MB/s	25.77MB/s 135% slower	➖	➖
BLAKE-2s	138.66MB/s	➖	➖	➖
BLAKE-2b	157.75MB/s	11.89MB/s 1227% slower	➖	➖
Poly1305	407.20MB/s	148.72MB/s 174% slower	➖	➖
XXH32	449.71MB/s	➖	➖	➖
XXH64	484.08MB/s	➖	➖	➖
XXH3	111.51MB/s	➖	➖	➖
XXH128	111.04MB/s	➖	➖	➖

With 10B message (100000 iterations):

Algorithms	hashlib	PointyCastle	crypto	hash
MD5	28.34MB/s	14.11MB/s 101% slower	14.84MB/s 91% slower	8.08MB/s 251% slower
HMAC(MD5)	5.23MB/s	➖	4.47MB/s 17% slower	2.12MB/s 146% slower
SHA-1	16.28MB/s	7.77MB/s 110% slower	11.52MB/s 41% slower	5.03MB/s 224% slower
HMAC(SHA-1)	2.66MB/s	➖	2.05MB/s 30% slower	➖
SHA-224	11.98MB/s	3.22MB/s 272% slower	9.58MB/s 25% slower	2.73MB/s 339% slower
SHA-256	11.94MB/s	3.18MB/s 275% slower	9.65MB/s 24% slower	2.75MB/s 334% slower
HMAC(SHA-256)	1.87MB/s	➖	1.72MB/s 8% slower	➖
SHA-384	9.34MB/s	387.94KB/s 2366% slower	3.53MB/s 164% slower	1.41MB/s 563% slower
SHA-512	9.24MB/s	387.41KB/s 2345% slower	3.52MB/s 162% slower	1.42MB/s 550% slower
SHA3-256	11.89MB/s	228.04KB/s 5241% slower	➖	➖
SHA3-512	9.23MB/s	228.99KB/s 4029% slower	➖	➖
RIPEMD-128	27.95MB/s	7MB/s 299% slower	➖	➖
RIPEMD-160	9.38MB/s	4.28MB/s 119% slower	➖	4.29MB/s 118% slower
RIPEMD-256	28.46MB/s	6.73MB/s 322% slower	➖	➖
RIPEMD-320	9.23MB/s	4.06MB/s 127% slower	➖	➖
BLAKE-2s	18.85MB/s	➖	➖	➖
BLAKE-2b	14.82MB/s	904.52KB/s 1578% slower	➖	➖
Poly1305	59.63MB/s	36.50MB/s 63% slower	➖	➖
XXH32	100.03MB/s	➖	➖	➖
XXH64	76.53MB/s	➖	➖	➖
XXH3	10.48MB/s	➖	➖	➖
XXH128	9.86MB/s	➖	➖	➖

Argon2 and scrypt benchmarks on different security parameters:

Algorithms	test	little	moderate	good	strong
scrypt	0.058 ms	1.464 ms	11.0 ms	90.375 ms	1410.816 ms
argon2i	0.385 ms	2.473 ms	17.017 ms	208.533 ms	2481.148 ms
argon2d	0.281 ms	2.416 ms	17.501 ms	206.161 ms	2454.029 ms
argon2id	0.285 ms	2.442 ms	17.356 ms	205.749 ms	2512.451 ms

All benchmarks are done on AMD Ryzen 7 5800X processor and 3200MHz RAM using compiled exe

Dart SDK version: 3.3.3 (stable) (Tue Mar 26 14:21:33 2024 +0000) on "windows_x64"