Sony’s CLEFIA block cipher (RFC 6114) with 128-bit blocks and variable key lengths. Generalized Feistel Network design optimized for lightweight implementations.
| Property | Value |
|---|---|
| Category | Block Ciphers |
| Sub-category | Block Cipher |
| Security status | Not classified |
| Complexity | Intermediate |
| Inventor | Sony Corporation |
| Year | 2007 |
| Origin | 🇯🇵 Japan |
| Source | algorithms/block/clefia.js |
| Parameter | Supported values |
|---|---|
| Key sizes | 16 bytes (128 bits) to 32 bytes (256 bits) in steps of 8 bytes |
| Block sizes | 16 bytes (128 bits) |
Status: not classified — treat as unverified.
No vulnerabilities are recorded for this implementation.
6 vectors ship with this algorithm and run in the test suite. Byte values are hexadecimal.
Vector 1 — DarkCrypt CLEFIA vector 1/zero
| Field | Value |
|---|---|
key |
0000000000000000000000000000000000000000000000000000000000000000 |
input |
00000000000000000000000000000000 |
expected |
c75294761d52fb97ab7955d877164213 |
Vector 2 — DarkCrypt CLEFIA vector 2/incr
| Field | Value |
|---|---|
key |
000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f |
input |
000102030405060708090a0b0c0d0e0f |
expected |
3a92f62a3f938146d9ca6303f5b3d790 |
Vector 3 — DarkCrypt CLEFIA vector 3/incr2
| Field | Value |
|---|---|
key |
0102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f20 |
input |
101112131415161718191a1b1c1d1e1f |
expected |
eee2469ffc539734e5f93330cc6d8523 |
Vector 4 — RFC 6114 Appendix A - CLEFIA-128 test vector
| Field | Value |
|---|---|
key |
ffeeddccbbaa99887766554433221100 |
input |
000102030405060708090a0b0c0d0e0f |
expected |
de2bf2fd9b74aacdf1298555459494fd |
Vector 5 — RFC 6114 Appendix A - CLEFIA-192 test vector
| Field | Value |
|---|---|
key |
ffeeddccbbaa99887766554433221100f0e0d0c0b0a09080 |
input |
000102030405060708090a0b0c0d0e0f |
expected |
e2482f649f028dc480dda184fde181ad |
Vector 6 — RFC 6114 Appendix A - CLEFIA-256 test vector
| Field | Value |
|---|---|
key |
ffeeddccbbaa99887766554433221100f0e0d0c0b0a090807060504030201000 |
input |
000102030405060708090a0b0c0d0e0f |
expected |
a1397814289de80c10da46d1fa48b38a |