Lightweight block cipher designed for efficient masked implementations. Features a 128-bit block size with 128-bit keys using 14 rounds. Part of NIST Lightweight Cryptography competition (Round 2).
| Property | Value |
|---|---|
| Category | Block Ciphers |
| Sub-category | Block Cipher |
| Security status | 🧪 Experimental |
| Complexity | Intermediate |
| Inventor | Dahmun Goudarzi, Jérémy Jean, Stefan Kölbl, Thomas Peyrin, Matthieu Rivain, Yu Sasaki, Siang Meng Sim |
| Year | 2019 |
| Origin | 🇫🇷 France |
| Source | algorithms/block/pyjamask128.js |
| Parameter | Supported values |
|---|---|
| Key sizes | 16 bytes (128 bits) |
| Block sizes | 16 bytes (128 bits) |
Status: 🧪 Experimental
No vulnerabilities are recorded for this implementation.
1 vector ship with this algorithm and run in the test suite. Byte values are hexadecimal.
Vector 1 — Pyjamask-128 block cipher test vector - Pyjamask specification
| Field | Value |
|---|---|
key |
00112233445566778899aabbccddeeff |
input |
50796a616d61736b2d3132383a293a29 |
expected |
48f139a109bdd9c0726e8261f8d68e7d |