ForkSkinny is a tweakable block cipher with forking construction, producing two outputs from one input. Designed for authenticated encryption in the ForkAE NIST lightweight crypto finalist.
| Property | Value |
|---|---|
| Category | Block Ciphers |
| Sub-category | Tweakable Block Cipher |
| Security status | 🧪 Experimental |
| Complexity | Advanced |
| Inventor | Elena Andreeva, Reza Reyhanitabar, Damian Vizar |
| Year | 2019 |
| Origin | 🇧🇪 Belgium |
| Source | algorithms/block/forkskinny.js |
| Parameter | Supported values |
|---|---|
| Key sizes | 32 bytes (256 bits) |
| Block sizes | 16 bytes (128 bits) |
Status: 🧪 Experimental
No vulnerabilities are recorded for this implementation.
2 vectors ship with this algorithm and run in the test suite. Byte values are hexadecimal.
Vector 1 — ForkSkinny-128-256 Left Output
| Field | Value |
|---|---|
key |
000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f |
forkOutput |
left |
input |
00112233445566778899aabbccddeeff |
expected |
1078c53597fc5e4c9d91a8eae8f5a876 |
Vector 2 — ForkSkinny-128-256 Right Output
| Field | Value |
|---|---|
key |
000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f |
forkOutput |
right |
input |
00112233445566778899aabbccddeeff |
expected |
d6fd008b1f5f14aaf1341a5f76e5a32f |