hashlib 1.12.1

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, poly1305auth	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';

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 string of length 500000 (10 iterations):

Algorithms	hashlib	crypto	hash	PointyCastle
MD5	174.11MB/s	143.99MB/s 21% slower	80.43MB/s 116% slower	87.90MB/s 98% slower
HMAC(MD5)	172.75MB/s	140.49MB/s 23% slower	79.53MB/s 117% slower	➖
SHA-1	153.75MB/s	108.64MB/s 42% slower	45.37MB/s 239% slower	55.91MB/s 175% slower
HMAC(SHA-1)	153.63MB/s	106.20MB/s 45% slower	➖	➖
SHA-224	102.70MB/s	93.48MB/s 10% slower	21.72MB/s 373% slower	22.20MB/s 363% slower
SHA-256	102.90MB/s	93.52MB/s 10% slower	21.72MB/s 374% slower	22.43MB/s 359% slower
HMAC(SHA-256)	102.74MB/s	93.22MB/s 10% slower	➖	➖
SHA-384	164.65MB/s	54.65MB/s 201% slower	18.71MB/s 780% slower	5.07MB/s 3150% slower
SHA-512	164.56MB/s	54.62MB/s 201% slower	19.07MB/s 763% slower	5.20MB/s 3065% slower
SHA3-256	102.93MB/s	➖	➖	3.31MB/s 3009% slower
SHA3-512	164.45MB/s	➖	➖	1.76MB/s 9238% slower
RIPEMD-128	220.20MB/s	➖	➖	45.66MB/s 382% slower
RIPEMD-160	69.18MB/s	➖	35.07MB/s 97% slower	28.70MB/s 141% slower
RIPEMD-256	237.84MB/s	➖	➖	44.92MB/s 429% slower
RIPEMD-320	69.01MB/s	➖	➖	28.29MB/s 144% slower
BLAKE-2s	149.47MB/s	➖	➖	➖
BLAKE-2b	170.34MB/s	➖	➖	12.93MB/s 1218% slower
Poly1305	425.28MB/s	➖	➖	160.07MB/s 166% slower
XXH32	545.26MB/s	➖	➖	➖
XXH64	540.75MB/s	➖	➖	➖
XXH3	124.28MB/s	➖	➖	➖
XXH128	125.25MB/s	➖	➖	➖

With string of length 1000 (5000 iterations):

Algorithms	hashlib	crypto	hash	PointyCastle
MD5	173.02MB/s	139.81MB/s 24% slower	107.34MB/s 61% slower	84.78MB/s 104% slower
HMAC(MD5)	137.62MB/s	114.52MB/s 20% slower	79.88MB/s 72% slower	➖
SHA-1	141.82MB/s	106.40MB/s 33% slower	52.16MB/s 172% slower	54.26MB/s 161% slower
HMAC(SHA-1)	101.76MB/s	74.43MB/s 37% slower	➖	➖
SHA-224	98.85MB/s	90.34MB/s 9% slower	22.61MB/s 337% slower	21.64MB/s 357% slower
SHA-256	98.12MB/s	90.34MB/s 9% slower	22.64MB/s 333% slower	21.77MB/s 351% slower
HMAC(SHA-256)	69.03MB/s	63.06MB/s 9% slower	➖	➖
SHA-384	152.64MB/s	52.18MB/s 192% slower	22.93MB/s 566% slower	5.11MB/s 2890% slower
SHA-512	151.24MB/s	52.18MB/s 190% slower	22.62MB/s 569% slower	5.11MB/s 2861% slower
SHA3-256	98.23MB/s	➖	➖	3.11MB/s 3054% slower
SHA3-512	151.52MB/s	➖	➖	1.79MB/s 8377% slower
RIPEMD-128	211.29MB/s	➖	➖	44.55MB/s 374% slower
RIPEMD-160	66.85MB/s	➖	37.83MB/s 77% slower	27.78MB/s 141% slower
RIPEMD-256	224.34MB/s	➖	➖	43.38MB/s 417% slower
RIPEMD-320	67.03MB/s	➖	➖	27.39MB/s 145% slower
BLAKE-2s	144.01MB/s	➖	➖	➖
BLAKE-2b	163.75MB/s	➖	➖	12.47MB/s 1213% slower
Poly1305	397.65MB/s	➖	➖	154.36MB/s 158% slower
XXH32	506.25MB/s	➖	➖	➖
XXH64	509.56MB/s	➖	➖	➖
XXH3	117.56MB/s	➖	➖	➖
XXH128	118.76MB/s	➖	➖	➖

With string of length 10 (100000 iterations):

Algorithms	hashlib	crypto	hash	PointyCastle
MD5	30.58MB/s	15.67MB/s 95% slower	8.53MB/s 259% slower	15.01MB/s 104% slower
HMAC(MD5)	5.52MB/s	4.79MB/s 15% slower	2.24MB/s 146% slower	➖
SHA-1	18.29MB/s	12.38MB/s 48% slower	5.37MB/s 240% slower	8.27MB/s 121% slower
HMAC(SHA-1)	2.84MB/s	2.26MB/s 26% slower	➖	➖
SHA-224	12.84MB/s	10.27MB/s 25% slower	2.85MB/s 351% slower	3.35MB/s 284% slower
SHA-256	12.69MB/s	10.24MB/s 24% slower	2.90MB/s 338% slower	3.42MB/s 272% slower
HMAC(SHA-256)	1.99MB/s	1.86MB/s 7% slower	➖	➖
SHA-384	9.92MB/s	3.68MB/s 170% slower	1.49MB/s 566% slower	392.98KB/s 2424% slower
SHA-512	9.88MB/s	3.65MB/s 171% slower	1.50MB/s 558% slower	394.32KB/s 2405% slower
SHA3-256	12.81MB/s	➖	➖	241.30KB/s 5210% slower
SHA3-512	9.87MB/s	➖	➖	241.88KB/s 3981% slower
RIPEMD-128	30.10MB/s	➖	➖	7.45MB/s 304% slower
RIPEMD-160	10.05MB/s	➖	4.45MB/s 126% slower	4.38MB/s 129% slower
RIPEMD-256	29.99MB/s	➖	➖	7.08MB/s 324% slower
RIPEMD-320	9.90MB/s	➖	➖	4.17MB/s 137% slower
BLAKE-2s	20.02MB/s	➖	➖	➖
BLAKE-2b	15.73MB/s	➖	➖	935.11KB/s 1582% slower
Poly1305	64.28MB/s	➖	➖	39.51MB/s 63% slower
XXH32	94.21MB/s	➖	➖	➖
XXH64	76.44MB/s	➖	➖	➖
XXH3	11.31MB/s	➖	➖	➖
XXH128	10.92MB/s	➖	➖	➖

Argon2 and scrypt benchmarks on different security parameters:

Algorithms	test	little	moderate	good	strong
scrypt	0.057 ms	1.459 ms	10.938 ms	88.672 ms	1391.994 ms
argon2i	0.358 ms	2.763 ms	16.825 ms	203.519 ms	2412.874 ms
argon2d	0.276 ms	2.355 ms	16.496 ms	200.327 ms	2398.527 ms
argon2id	0.308 ms	2.382 ms	16.928 ms	200.221 ms	2415.853 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"