NIST Lightweight Cryptography finalist based on SPARKLE-512 permutation. Optimized for constrained devices with 384-bit security.
| Property | Value |
|---|---|
| Category | Hash Functions |
| Sub-category | Lightweight Hash |
| Security status | 🧪 Experimental |
| Complexity | Advanced |
| Inventor | Christoph Dobraunig, Maria Eichlseder, Florian Mendel, Martin Schläffer |
| Year | 2019 |
| Origin | 🌐 International |
| Source | algorithms/hash/esch384.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 — Esch384: Empty message (NIST LWC KAT Count=1)
| Field | Value |
|---|---|
input |
(empty) |
expected |
2981715e2263ebd0cb6e5c2c99d0776d 5e691ee737fde05247895e75d02e7447 fd6ab707e2ec8385a539777965e472ee |
Vector 2 — Esch384: Single byte 0x00 (NIST LWC KAT Count=2)
| Field | Value |
|---|---|
input |
00 |
expected |
ca78366c86e82726c19ebd1dbbb1375c ef93c570f856ce2ff5da0ca87140dacd 65f3e1c5af5f84b3f6390b9ac1a2fa4d |
Vector 3 — Esch384: Two bytes 0x0001 (NIST LWC KAT Count=3)
| Field | Value |
|---|---|
input |
0001 |
expected |
76a4f5b45a6062de68f974824fcc7de8 ce4bd9ce64ce9a8958a3409151b2481d 13b5d9c1bdca1a658d31110088c54922 |
Vector 4 — Esch384: Four bytes 0x00010203 (NIST LWC KAT Count=5)
| Field | Value |
|---|---|
input |
00010203 |
expected |
900c76a75ad5fec6924934e8eadc78bc b3951e241a2ac9301e6d35895689ba7c 93411a5b6def5a2f87248aff1bdd240e |
Vector 5 — Esch384: 8 bytes (NIST LWC KAT Count=9)
| Field | Value |
|---|---|
input |
0001020304050607 |
expected |
571560322d28dc5f8039794b4a3290a1 7ccdd60fa6c36ee78dcf9c05ce592d64 021ef324af69fcac6829fd84aa69f35b |
Vector 6 — Esch384: 16 bytes (full rate) (NIST LWC KAT Count=17)
| Field | Value |
|---|---|
input |
000102030405060708090a0b0c0d0e0f |
expected |
0008f97d6bbb701d5e33fcc178efe3e3 d5e77915d4a4daf6e1ae34cd28edb895 a053e19d930b50f72837e1a8f5b1f450 |
Vector 7 — Esch384: 20 bytes (NIST LWC KAT Count=21)
| Field | Value |
|---|---|
input |
000102030405060708090a0b0c0d0e0f10111213 |
expected |
7e04b13784f319c59936c2555b3ee347 d7e3fbed51138f5fcd79482a1f5be9d9 f9dea8f598d5b01f4916f3be6fd0a24d |
Vector 8 — Esch384: 32 bytes (NIST LWC KAT Count=33)
| Field | Value |
|---|---|
input |
000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f |
expected |
55ba6e68b5ef92458c75e4888b25b31d c6212933b138c9623217af9aaff2a469 1b81331de422387d12f170ef088e0ea1 |
Vector 9 — Esch384: 48 bytes (NIST LWC KAT Count=49)
| Field | Value |
|---|---|
input |
000102030405060708090a0b0c0d0e0f 101112131415161718191a1b1c1d1e1f 202122232425262728292a2b2c2d2e2f |
expected |
e938cdfe53d40963908d7f3ffa0671d8 0ab95925964bbbb3efe97676e94fc21b d6b836482ec13840999473fc7b148ef1 |
Vector 10 — Esch384: 64 bytes (NIST LWC KAT Count=65)
| Field | Value |
|---|---|
input |
000102030405060708090a0b0c0d0e0f 101112131415161718191a1b1c1d1e1f 202122232425262728292a2b2c2d2e2f 303132333435363738393a3b3c3d3e3f |
expected |
580d48b4dcead117350855547063a629 fd200cd623681eeb4c3c16fa2222614a 94ce8a8bb69343a621227debd018f0ad |