64-bit block, 128-bit key cipher from the DarkCrypt Total Commander plugin. Non-swapping Feistel network, 6 outer rounds (12 keyed F applications), four dedicated 256-byte S-boxes. As implemented in the DarkCrypt Total Commander plugin.
| Property | Value |
|---|---|
| Category | Block Ciphers |
| Sub-category | Block Cipher |
| Security status | 🎓 Educational Only |
| Complexity | Advanced |
| Inventor | Alexander Myasnikov (DarkCrypt “Zarya” project) |
| Year | 2013 |
| Origin | 🇷🇺 Russia |
| Source | algorithms/block/darkcrypt-pikachu.js |
| Parameter | Supported values |
|---|---|
| Key sizes | 16 bytes (128 bits) |
| Block sizes | 8 bytes (64 bits) |
Status: 🎓 Educational Only
| Issue | Description | Mitigation |
|---|---|---|
| Unanalyzed proprietary design | Custom cipher with no public specification or cryptanalysis. | Use AES or another vetted cipher. |
3 vectors ship with this algorithm and run in the test suite. Byte values are hexadecimal.
Vector 1 — DarkCrypt Pikachu — zero key/plaintext
| Field | Value |
|---|---|
key |
00000000000000000000000000000000 |
input |
0000000000000000 |
expected |
5c73dc881cac64ad |
Vector 2 — DarkCrypt Pikachu — incrementing key/plaintext
| Field | Value |
|---|---|
key |
000102030405060708090a0b0c0d0e0f |
input |
0001020304050607 |
expected |
45f42ddd9f25670b |
Vector 3 — DarkCrypt Pikachu — shifted incrementing key/plaintext
| Field | Value |
|---|---|
key |
0102030405060708090a0b0c0d0e0f10 |
input |
1011121314151617 |
expected |
71665fa21a940063 |