Non-cryptographic hash function. FNV-1a. High-speed 「 128-bit 」 implementations;

Copyright (c) 2021  Denis Kuzmin <x-3F@outlook.com> github/3F

[ _@ ☕ ]   

Where is this used?

• Huid - A high-speed FNV-1a-128 hash-based UUID implementation.
  • https://twitter.com/github3F/status/1419045735807467520

.NET implementations

✔ Free and Open. MIT License. Fork! Star! Contribute! Share! Enjoy!

ulong high = Fnv1a.GetHash128LX4Cnh
(
    " 🚴  キノの旅 ",
    out ulong low
);
//          high            low
//     ________________|_______________
// = 0x1fbfef4e7acd3a3325ce8d3a718c1484

⏱

FNV-1a-128 using LX4Cnh

For example, 120 Unicode (UTF-16) characters:

*LodgeX4CorrNoHigh* (LX4Cnh) algorithm of the high-speed multiplications of **128-bit** numbers (full range, 128 × 128).

128-bit hash value = 0x8e719ac9080952dec9c90a46279bfcc9

(1 ns == 0.000000001 sec)

Sample. Hash Values

🕹

Input string (without quotes)	Fnv-1a 128-bit hash value
"Hello World!"	d2d42892ede872031d2593366229c2d2
"Hello world!"	3c94fff9ede872031d95566a45770eb2
"Hello world"	3e2069a3a2839515f3e747cab303a0d7
"Hello world "	3c94fff9eee872031d95566a45770fed
"Fnv1a128"	c13dd8c55a659aa11f912cfd85b8ed7c
"github/3F"	506f2e1fb3060b4c8d3110e8b4e77e16
"LX4Cnh"	27348aa3e13c64bf6e7a25d900f385aa
""	6c62272e07bb014262b821756295c58d
" "	d228cb69301a8caf78912b704e4a3bdf
"Password123"	8d9e9ae9fd9b0356dfe55ca4bb8cb938
"7"	d228cb693d1a8caf78912b704e4a4bde
"'"	d228cb692d1a8caf78912b704e4a382e
"1234"	680bc8ef6e757277b806e9090df65bc5
"123456"	48295155463c64bf6e69f684c538dd82
"root"	69fe44a65b757277b806e9a25079adf5
"Root"	690eaab55b757277b806e9587de03515
"https://github.com/3F/Fnv1a128"	43d00056982fd53c44f663dd27c6742a
"✔"	d228cb861c1a8caf78912b704e6dd243