Hawkynt

PhotonBeetle-AEAD[128]

NIST Lightweight Cryptography finalist with 128-bit rate. Balanced performance using PHOTON-256 permutation with efficient absorption for larger messages.

Properties

Property	Value
Category	Authenticated Encryption
Sub-category	Authenticated Encryption
Security status	🛡️ Secure
Complexity	Intermediate
Inventor	Zhenzhen Bao, Avik Chakraborti, Nilanjan Datta, Jian Guo, Mridul Nandi, Thomas Peyrin, Kan Yasuda
Year	2019
Origin	🌐 International
Source	algorithms/aead/photon-beetle.js

Parameters

Parameter	Supported values
Key sizes	16 bytes (128 bits)
Tag sizes	16 bytes (128 bits)

Capabilities

Flag	Value
SupportsDetached	No

Security

Status: 🛡️ Secure

No vulnerabilities are recorded for this implementation.

Documentation

• PhotonBeetle Official Site
• NIST LWC Specification
• NIST LWC Project

References

• Official PHOTON-Beetle Reference Software
• rweather/lwc-finalists C Reference (embedded-optimized)

Test vectors

5 vectors ship with this algorithm and run in the test suite. Byte values are hexadecimal.

Vector 1 — NIST LWC Vector #1 (empty PT, empty AD)

Field	Value
key	000102030405060708090a0b0c0d0e0f
nonce	000102030405060708090a0b0c0d0e0f
associatedData	(empty)
input	(empty)
expected	df4e0bac1162408098fa5cf084d8f464

Vector 2 — NIST LWC Vector #2 (empty PT, 1-byte AD)

Field	Value
key	000102030405060708090a0b0c0d0e0f
nonce	000102030405060708090a0b0c0d0e0f
associatedData	00
input	(empty)
expected	e840449949081c5378e01eba6046dbe8

Vector 3 — NIST LWC KAT Count=34 (1-byte PT, empty AD)

Field	Value
key	000102030405060708090a0b0c0d0e0f
nonce	000102030405060708090a0b0c0d0e0f
associatedData	(empty)
input	00
expected	a75df91ea594d719d44f29e78e0ae94872

Vector 4 — NIST LWC KAT Count=529 (16-byte PT, empty AD)

Field	Value
key	000102030405060708090a0b0c0d0e0f
nonce	000102030405060708090a0b0c0d0e0f
associatedData	(empty)
input	000102030405060708090a0b0c0d0e0f
expected	a7b9af5ba1aa580976839229747c9e32403476d930a13d7af7299e3681fc702b

Vector 5 — NIST LWC KAT Count=35 (1-byte PT, 1-byte AD)

Field	Value
key	000102030405060708090a0b0c0d0e0f
nonce	000102030405060708090a0b0c0d0e0f
associatedData	00
input	00
expected	850d8807c20344c924e2d35382dd3f2d8e

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