New Data Encryption Standard by Robert Scott. Educational implementation of a 64-bit block cipher with 120-bit keys, designed to be easier to implement than DES.
| Property | Value |
|---|---|
| Category | Block Ciphers |
| Sub-category | Block Cipher |
| Security status | 🎓 Educational Only |
| Complexity | Intermediate |
| Inventor | Robert Scott |
| Year | 1985 |
| Origin | 🇺🇸 United States |
| Source | algorithms/block/newdes.js |
| Parameter | Supported values |
|---|---|
| Key sizes | 15 bytes (120 bits) |
| Block sizes | 8 bytes (64 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 — Riordan reference implementation - all-zero plaintext
| Field | Value |
|---|---|
key |
0123456789abcdef0123456789abcd |
input |
0000000000000000 |
expected |
7f603881d097f619 |
Vector 2 — Riordan reference implementation - all-zero key
| Field | Value |
|---|---|
key |
000000000000000000000000000000 |
input |
0123456789abcdef |
expected |
f1e7afca1dee9aed |
Vector 3 — Riordan reference implementation - two blocks
| Field | Value |
|---|---|
key |
000102030405060708090a0b0c0d0e |
input |
000102030405060708090a0b0c0d0e0f |
expected |
255cc7953fee5aebe798c886a6eb4ab0 |