SHA-1 compression function used as a raw keyed block cipher (SHACAL-style), as implemented in the DarkCrypt Total Commander plugin. 160-bit block, 512-bit key.
| Property | Value |
|---|---|
| Category | Block Ciphers |
| Sub-category | Block Cipher |
| Security status | 🎓 Educational Only |
| Complexity | Intermediate |
| Inventor | Alexander Myasnikov (DarkCrypt plugin) |
| Year | 2013 |
| Origin | 🇷🇺 Russia |
| Source | algorithms/block/darkcrypt-sha1.js |
| Parameter | Supported values |
|---|---|
| Key sizes | 64 bytes (512 bits) |
| Block sizes | 20 bytes (160 bits) |
Status: 🎓 Educational Only
No vulnerabilities are recorded for this implementation.
3 vectors ship with this algorithm and run in the test suite. Byte values are hexadecimal.
Vector 1 — DarkCrypt SHA1-512 - all-zero key and plaintext
| Field | Value |
|---|---|
key |
00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 00000000000000000000000000000000 |
input |
0000000000000000000000000000000000000000 |
expected |
ed47159ec291ec57c88bfa30545a78c7e3a5efa7 |
Vector 2 — DarkCrypt SHA1-512 - incrementing key and plaintext
| Field | Value |
|---|---|
key |
000102030405060708090a0b0c0d0e0f 101112131415161718191a1b1c1d1e1f 202122232425262728292a2b2c2d2e2f 303132333435363738393a3b3c3d3e3f |
input |
000102030405060708090a0b0c0d0e0f10111213 |
expected |
19b4b40fc6da2c67682e1726758b65d8e52228d1 |
Vector 3 — DarkCrypt SHA1-512 - shifted incrementing key and plaintext
| Field | Value |
|---|---|
key |
0102030405060708090a0b0c0d0e0f10 1112131415161718191a1b1c1d1e1f20 2122232425262728292a2b2c2d2e2f30 3132333435363738393a3b3c3d3e3f40 |
input |
101112131415161718191a1b1c1d1e1f20212223 |
expected |
9c043cc531aba3373fd2eaea45bed8b1b47625af |