Lightweight hash function based on bit-sliced PRESENT-like permutations, finalist in NIST Lightweight Cryptography competition. Uses KNOT-384 permutation in sponge construction with 384-bit output.
| Property | Value |
|---|---|
| Category | Hash Functions |
| Sub-category | Lightweight Hash |
| Security status | 🧪 Experimental |
| Complexity | Advanced |
| Inventor | Zheng Gong, Guohong Liao, Ling Song, Keting Jia, Lei Hu |
| Year | 2019 |
| Origin | 🇨🇳 China |
| Source | algorithms/hash/knot-hash.js |
| Parameter | Supported values |
|---|---|
| Output sizes | 48 bytes (384 bits) |
Status: 🧪 Experimental
No vulnerabilities are recorded for this implementation.
10 vectors ship with this algorithm and run in the test suite. Byte values are hexadecimal.
Vector 1 — KNOT-HASH-384-384: Empty message (NIST KAT Count=1)
| Field | Value |
|---|---|
input |
(empty) |
expected |
4f3d463251831d3689692aa1b4e02dda d79abfcbe075a2cd2805e95c099db75b f11c3c5ec917b6c5b3b76f8bb8d6db2c |
Vector 2 — KNOT-HASH-384-384: Single zero byte (NIST KAT Count=2)
| Field | Value |
|---|---|
input |
00 |
expected |
2fece6f7fb33ca6f455e3a09c31b58ba 9a4edf0b04f4eab7f1001a3ea23c6ad7 27fc1a15928e090eaabd0596c69b07aa |
Vector 3 — KNOT-HASH-384-384: Two bytes (NIST KAT Count=3)
| Field | Value |
|---|---|
input |
0001 |
expected |
07ef998b299615edb5afab4d78a15a1c 2076089be8faeeb427ff85be69b71a99 d591124f7965e5b72b0bc13e1a2a0a7c |
Vector 4 — KNOT-HASH-384-384: Three bytes (NIST KAT Count=4)
| Field | Value |
|---|---|
input |
000102 |
expected |
750664415d55a3ba35e4a63cba99d79f f1ee85c4b6cdd5d6a40952b27dea031e 83df8d4499035a32f94533044b6c8b2c |
Vector 5 — KNOT-HASH-384-384: Four bytes (NIST KAT Count=5)
| Field | Value |
|---|---|
input |
00010203 |
expected |
878d0f1348618cca9dba50520ffd5e1d 540ff485940cfa3cf4a9bbe25ac2055a dac5b110f208126526c9d16abe4d27f4 |
Vector 6 — KNOT-HASH-384-384: Eight bytes (NIST KAT Count=9)
| Field | Value |
|---|---|
input |
0001020304050607 |
expected |
b1e3a6b7e420fb6678b27c79270bafe8 6fe6f91d8625ed60d586cbe4903cca1e 2e9585b721731b8ee97b1883325854d7 |
Vector 7 — KNOT-HASH-384-384: 16 bytes (NIST KAT Count=17)
| Field | Value |
|---|---|
input |
000102030405060708090a0b0c0d0e0f |
expected |
8019206bac3d6a99998bb49063204805 541c4b406c2ce651aef67b6833a0b43d fcfe110f4ee9604d8a68295db90067cd |
Vector 8 — KNOT-HASH-384-384: 32 bytes (NIST KAT Count=33)
| Field | Value |
|---|---|
input |
000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f |
expected |
d0dc496ab1d681a63cbcc2156c361ba7 0f7924da17d8f606f1ad8214114f09d4 4d35ba33547d512b198a77aec5b09ade |
Vector 9 — KNOT-HASH-384-384: 48 bytes (NIST KAT Count=49)
| Field | Value |
|---|---|
input |
000102030405060708090a0b0c0d0e0f 101112131415161718191a1b1c1d1e1f 202122232425262728292a2b2c2d2e2f |
expected |
268397bff02cc2ee39b32644875b3b22 7b54b194e86f69dd1c2277299daeb826 55742de0bbf1121a116d61e563fa10ff |
Vector 10 — KNOT-HASH-384-384: 64 bytes (NIST KAT Count=65)
| Field | Value |
|---|---|
input |
000102030405060708090a0b0c0d0e0f 101112131415161718191a1b1c1d1e1f 202122232425262728292a2b2c2d2e2f 303132333435363738393a3b3c3d3e3f |
expected |
3aec65fca168df0a8bc4fe1852861097 978ccc770ce135c5110681e7aec8e662 ac5ad3d764bc03cdec2d09aff2197587 |