Lightweight hash function based on Ascon permutation, standardized in NIST SP 800-232. Provides 256-bit security with efficient hardware and software implementations.
| Property | Value |
|---|---|
| Category | Hash Functions |
| Sub-category | Lightweight Hash |
| Security status | 🛡️ Secure |
| Complexity | Intermediate |
| Inventor | Christoph Dobraunig, Maria Eichlseder, Florian Mendel, Martin Schläffer |
| Year | 2023 |
| Origin | Not specified |
| Source | algorithms/hash/ascon-hash.js |
| Parameter | Supported values |
|---|---|
| Output sizes | 32 bytes (256 bits) |
Status: 🛡️ Secure
No vulnerabilities are recorded for this implementation.
7 vectors ship with this algorithm and run in the test suite. Byte values are hexadecimal.
Vector 1 — Ascon-Hash256: Empty message (Count=1)
| Field | Value |
|---|---|
input |
(empty) |
expected |
0b3be5850f2f6b98caf29f8fdea89b64a1fa70aa249b8f839bd53baa304d92b2 |
Vector 2 — Ascon-Hash256: Single byte 0x00 (Count=2)
| Field | Value |
|---|---|
input |
00 |
expected |
0728621035af3ed2bca03bf6fde900f9456f5330e4b5ee23e7f6a1e70291bc80 |
Vector 3 — Ascon-Hash256: Two bytes (Count=3)
| Field | Value |
|---|---|
input |
0001 |
expected |
6115e7c9c4081c2797fc8fe1bc57a836afa1c5381e556dd583860ca2dfb48dd2 |
Vector 4 — Ascon-Hash256: Four bytes (Count=5)
| Field | Value |
|---|---|
input |
00010203 |
expected |
d7e4c7ed9b8a325cd08b9ef259f8877054ecd8304fe1b2d7fd847137df6727ee |
Vector 5 — Ascon-Hash256: Eight bytes, exact rate multiple (Count=9)
| Field | Value |
|---|---|
input |
0001020304050607 |
expected |
b88e497ae8e6fb641b87ef622eb8f2fca0ed95383f7ffebe167acf1099ba764f |
Vector 6 — Ascon-Hash256: Sixteen bytes (Count=17)
| Field | Value |
|---|---|
input |
000102030405060708090a0b0c0d0e0f |
expected |
3158c1940a2fbadbd68ab661777859b94a689e4efc375911467addd641835c38 |
Vector 7 — Ascon-Hash256: 32 bytes (Count=33)
| Field | Value |
|---|---|
input |
000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f |
expected |
bd9d3d60a66b53868eab2a5c74539a518a1f60f01eb176c60e43dee81680b33e |