KMAC128 - NIST SP 800-185 Keccak Message Authentication Code with 128-bit security.
| Property | Value |
|---|---|
| Category | Message Authentication |
| Sub-category | Keyed Hash |
| Security status | 🛡️ Secure |
| Complexity | Intermediate |
| Inventor | NIST |
| Year | 2016 |
| Origin | 🇺🇸 United States |
| Source | algorithms/mac/kmac.js |
| Flag | Value |
|---|---|
NeedsKey |
Yes |
Status: 🛡️ Secure
No vulnerabilities are recorded for this implementation.
4 vectors ship with this algorithm and run in the test suite. Byte values are hexadecimal.
Vector 1 — KMAC128 Sample #1 from NIST SP 800-185
| Field | Value |
|---|---|
key |
404142434445464748494a4b4c4d4e4f505152535455565758595a5b5c5d5e5f |
customization |
(empty) |
input |
00010203 |
expected |
e5780b0d3ea6f7d3a429c5706aa43a00fadbd7d49628839e3187243f456ee14e |
Vector 2 — KMAC128 Sample #2 from NIST SP 800-185 (with customization)
| Field | Value |
|---|---|
key |
404142434445464748494a4b4c4d4e4f505152535455565758595a5b5c5d5e5f |
customization |
4d7920546167676564204170706c69636174696f6e |
input |
00010203 |
expected |
3b1fba963cd8b0b59e8c1a6d71888b7143651af8ba0a7070c0979e2811324aa5 |
Vector 3 — KMAC128 Sample #3 from NIST SP 800-185 (200-byte message, with customization)
| Field | Value |
|---|---|
key |
404142434445464748494a4b4c4d4e4f505152535455565758595a5b5c5d5e5f |
customization |
4d7920546167676564204170706c69636174696f6e |
input |
000102030405060708090a0b0c0d0e0f 101112131415161718191a1b1c1d1e1f 202122232425262728292a2b2c2d2e2f 303132333435363738393a3b3c3d3e3f 404142434445464748494a4b4c4d4e4f 505152535455565758595a5b5c5d5e5f 606162636465666768696a6b6c6d6e6f 707172737475767778797a7b7c7d7e7f 808182838485868788898a8b8c8d8e8f 909192939495969798999a9b9c9d9e9f a0a1a2a3a4a5a6a7a8a9aaabacadaeaf b0b1b2b3b4b5b6b7b8b9babbbcbdbebf c0c1c2c3c4c5c6c7 |
expected |
1f5b4e6cca02209e0dcb5ca635b89a15e271ecc760071dfd805faa38f9729230 |
Vector 4 — KMAC128 rate boundary: 164-byte message merges pad10*1 into the domain separator
| Field | Value |
|---|---|
key |
404142434445464748494a4b4c4d4e4f505152535455565758595a5b5c5d5e5f |
customization |
(empty) |
input |
000102030405060708090a0b0c0d0e0f 101112131415161718191a1b1c1d1e1f 202122232425262728292a2b2c2d2e2f 303132333435363738393a3b3c3d3e3f 404142434445464748494a4b4c4d4e4f 505152535455565758595a5b5c5d5e5f 606162636465666768696a6b6c6d6e6f 707172737475767778797a7b7c7d7e7f 808182838485868788898a8b8c8d8e8f 909192939495969798999a9b9c9d9e9f a0a1a2a3 |
expected |
5719373e3073956c9b1b54453b95ff62b9d8a787c734c9781e78c4164d10667d |