Hawkynt

ACE

Lightweight authenticated encryption using sLiSCP-light-320 permutation in duplex sponge construction. NIST LWC Round 2 candidate with 128-bit security.

Properties

Property	Value
Category	Authenticated Encryption
Sub-category	Lightweight Cryptography
Security status	🧪 Experimental
Complexity	Intermediate
Inventor	Ismail Adomnitei, Thomas Peyrin
Year	2019
Origin	Not specified
Source	algorithms/aead/ace.js

Parameters

Parameter	Supported values
Key sizes	16 bytes (128 bits)
Block sizes	8 bytes (64 bits)
Tag sizes	16 bytes (128 bits)

Capabilities

Flag	Value
SupportsDetached	No

Security

Status: 🧪 Experimental

No vulnerabilities are recorded for this implementation.

Documentation

• ACE Specification
• NIST LWC Submission
• Reference Implementation

References

• NIST LWC Round 2 Submission Package (Reference C)

Test vectors

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

Vector 1 — NIST LWC KAT Count 1 (empty PT, empty AD)

Field	Value
key	000102030405060708090a0b0c0d0e0f
nonce	000102030405060708090a0b0c0d0e0f
aad	(empty)
input	(empty)
expected	02cf96dc6f171976f9ff4c3fc88e5bbe

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

Field	Value
key	000102030405060708090a0b0c0d0e0f
nonce	000102030405060708090a0b0c0d0e0f
aad	00
input	(empty)
expected	b61b4e1abcb1898ae58d1aec18cd131f

Vector 3 — NIST LWC KAT Count 9 (empty PT, 8-byte AD)

Field	Value
key	000102030405060708090a0b0c0d0e0f
nonce	000102030405060708090a0b0c0d0e0f
aad	0001020304050607
input	(empty)
expected	9616086ee453bab73f4069b13d0067b6

Vector 4 — NIST LWC KAT Count 17 (empty PT, 16-byte AD)

Field	Value
key	000102030405060708090a0b0c0d0e0f
nonce	000102030405060708090a0b0c0d0e0f
aad	000102030405060708090a0b0c0d0e0f
input	(empty)
expected	1bb495cb9d4cff617f9f53519666b0d1

Vector 5 — NIST LWC KAT Count 34 (1-byte PT, empty AD)

Field	Value
key	000102030405060708090a0b0c0d0e0f
nonce	000102030405060708090a0b0c0d0e0f
aad	(empty)
input	00
expected	971c19196f86a7b77647d55156e8be3ed3

Vector 6 — NIST LWC KAT Count 35 (1-byte PT, 1-byte AD)

Field	Value
key	000102030405060708090a0b0c0d0e0f
nonce	000102030405060708090a0b0c0d0e0f
aad	00
input	00
expected	2adc76d04eb5f3dae2dcacc9d5b27a52d5

Vector 7 — NIST LWC KAT Count 265 (8-byte PT, empty AD)

Field	Value
key	000102030405060708090a0b0c0d0e0f
nonce	000102030405060708090a0b0c0d0e0f
aad	(empty)
input	0001020304050607
expected	97b9353fe3b7d4a15e7090ebe5b80dd491bcfff0d698e1c2

Vector 8 — NIST LWC KAT Count 529 (16-byte PT, empty AD)

Field	Value
key	000102030405060708090a0b0c0d0e0f
nonce	000102030405060708090a0b0c0d0e0f
aad	(empty)
input	000102030405060708090a0b0c0d0e0f
expected	97b9353fe3b7d4a1309d5a4ce3fd599432715f7128aa9858e39e89ddef90e996

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