hashlib 1.10.0

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.

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

Other Hash Algorithms

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

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, poly1305auth	RFC-8439

OTP generation for 2FA

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

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/src/codecs_base.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

To obtain the following benchmarks, run this command:

dart compile exe ./benchmark/benchmark.dart && ./benchmark/benchmark.exe

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 string of length 500000 (10 iterations):

Algorithms	hashlib	crypto	hash	PointyCastle
XXH64	503.64MB/s	➖	➖	➖
XXH3	105.12MB/s	➖	➖	➖
MD5	161.28MB/s	121.66MB/s 33% slower	69.32MB/s 133% slower	81.18MB/s 99% slower
SHA-1	148.14MB/s	96.11MB/s 54% slower	37.83MB/s 292% slower	55.12MB/s 169% slower
SHA-224	100.14MB/s	84.14MB/s 19% slower	19.79MB/s 406% slower	21.66MB/s 362% slower
SHA-256	100.55MB/s	84.38MB/s 19% slower	19.83MB/s 407% slower	21.79MB/s 361% slower
SHA-384	157.21MB/s	48.19MB/s 226% slower	17.82MB/s 782% slower	5.19MB/s 2927% slower
SHA-512	157.13MB/s	48.30MB/s 225% slower	17.93MB/s 776% slower	5.19MB/s 2929% slower
SHA3-256	99.89MB/s	➖	➖	3.18MB/s 3044% slower
SHA3-512	157.45MB/s	➖	➖	1.71MB/s 9127% slower
BLAKE-2s	144.42MB/s	➖	➖	➖
BLAKE-2b	164.61MB/s	➖	➖	12.62MB/s 1204% slower
HMAC(MD5)	161.72MB/s	120.11MB/s 35% slower	70.40MB/s 130% slower	➖
HMAC(SHA-1)	147.08MB/s	95.05MB/s 55% slower	➖
HMAC(SHA-256)	100.12MB/s	83.03MB/s 21% slower	➖	➖
Poly1305	10.73MB/s	➖	➖	➖

With string of length 1000 (5000 iterations):

Algorithms	hashlib	crypto	hash	PointyCastle
XXH64	454.17MB/s	➖	➖	➖
XXH3	97.26MB/s	➖	➖	➖
MD5	155.91MB/s	119.53MB/s 30% slower	91.58MB/s 70% slower	79.03MB/s 97% slower
SHA-1	140.87MB/s	93.64MB/s 50% slower	46.09MB/s 206% slower	54.30MB/s 159% slower
SHA-224	96.18MB/s	81.33MB/s 18% slower	20.67MB/s 365% slower	20.86MB/s 361% slower
SHA-256	96.18MB/s	81.39MB/s 18% slower	20.67MB/s 365% slower	21.26MB/s 352% slower
SHA-384	145.70MB/s	46.59MB/s 213% slower	21.52MB/s 577% slower	5.09MB/s 2762% slower
SHA-512	143.40MB/s	46.40MB/s 209% slower	21.62MB/s 563% slower	5.07MB/s 2729% slower
SHA3-256	96.15MB/s	➖	➖	2.97MB/s 3136% slower
SHA3-512	143.89MB/s	➖	➖	1.70MB/s 8346% slower
BLAKE-2s	136.61MB/s	➖	➖	➖
BLAKE-2b	154.86MB/s	➖	➖	12.28MB/s 1161% slower
HMAC(MD5)	123.84MB/s	94.08MB/s 32% slower	68.14MB/s 82% slower	➖
HMAC(SHA-1)	92.13MB/s	64.98MB/s 42% slower	➖	➖
HMAC(SHA-256)	67.95MB/s	56.12MB/s 21% slower	➖	➖
Poly1305	10.06MB/s	➖	➖	➖

With string of length 10 (100000 iterations):

Algorithms	hashlib	crypto	hash	PointyCastle
XXH64	67.44MB/s	➖	➖	➖
XXH3	8.53MB/s	➖	➖	➖
MD5	23.28MB/s	10.14MB/s 130% slower	7.36MB/s 216% slower	11.44MB/s 103% slower
SHA-1	16.89MB/s	8.59MB/s 97% slower	4.77MB/s 254% slower	7.43MB/s 127% slower
SHA-224	12.21MB/s	7.32MB/s 67% slower	2.61MB/s 367% slower	3.11MB/s 292% slower
SHA-256	12.27MB/s	7.21MB/s 70% slower	2.62MB/s 368% slower	3.13MB/s 292% slower
SHA-384	9.48MB/s	2.90MB/s 227% slower	1.34MB/s 610% slower	386.20KB/s 2355% slower
SHA-512	9.49MB/s	2.89MB/s 228% slower	1.35MB/s 601% slower	384.32KB/s 2370% slower
SHA3-256	12.35MB/s	➖	➖	228.76KB/s 5301% slower
SHA3-512	9.50MB/s	➖	➖	228.29KB/s 4061% slower
BLAKE-2s	15.14MB/s	➖	➖	➖
BLAKE-2b	13.05MB/s	➖	➖	884.35KB/s 1376% slower
HMAC(MD5)	4.77MB/s	3.75MB/s 27% slower	1.95MB/s 144% slower	➖
HMAC(SHA-1)	2.46MB/s	1.85MB/s 33% slower	➖	➖
HMAC(SHA-256)	1.93MB/s	1.60MB/s 21% slower	➖	➖
Poly1305	1.41MB/s	➖	➖	➖

Argon2 and scrypt benchmarks on different security parameters:

Algorithms	test	little	moderate	good	strong
scrypt	1.77 ms	3.053 ms	16.9 ms	132.935 ms	1979.908 ms
argon2i	0.374 ms	2.811 ms	15.478 ms	192.085 ms	2346.343 ms
argon2d	0.385 ms	2.66 ms	15.341 ms	191.056 ms	2328.332 ms
argon2id	0.349 ms	2.426 ms	15.989 ms	186.398 ms	2369.287 ms

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