Hawkynt

PAEF-ForkSkinny-128-192

Parallel authenticated encryption with forking based on ForkSkinny-128-256 tweakable block cipher. NIST Lightweight Cryptography Competition candidate optimized for small packet sizes with parallel processing capability.

Properties

Property	Value
Category	Authenticated Encryption
Sub-category	Authenticated Encryption
Security status	🧪 Experimental
Complexity	Advanced
Inventor	Christoph Dobraunig, Maria Eichlseder, Florian Mendel, Martin Schläffer
Year	2019
Origin	Not specified
Source	algorithms/aead/paef-forkskinny.js

Parameters

Parameter	Supported values
Key sizes	16 bytes (128 bits)
Nonce sizes	6 bytes (48 bits)

Security

Status: 🧪 Experimental

No vulnerabilities are recorded for this implementation.

Documentation

• ForkAE Official Website
• ForkAE NIST LWC Round 2 Submission Specification
• NIST Lightweight Cryptography Project
• Forkcipher: A New Primitive for Authenticated Encryption of Very Short Messages

References

• Reference C Implementation (rweather/lightweight-crypto)

Test vectors

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

Vector 1 — Empty PT, Empty AD

Field	Value
key	000102030405060708090a0b0c0d0e0f
nonce	000102030405
associatedData	(empty)
input	(empty)
expected	de2381c2d19a843cff8c3baab8ae9a4c

Vector 2 — Empty PT, 1-byte AD

Field	Value
key	000102030405060708090a0b0c0d0e0f
nonce	000102030405
associatedData	00
input	(empty)
expected	aabc9caf30a81191e44e26032d1b073f

Vector 3 — Empty PT, 2-byte AD

Field	Value
key	000102030405060708090a0b0c0d0e0f
nonce	000102030405
associatedData	0001
input	(empty)
expected	56e1c0fb050c740b9d1fc539cf38512f

Vector 4 — Empty PT, 16-byte AD

Field	Value
key	000102030405060708090a0b0c0d0e0f
nonce	000102030405
associatedData	000102030405060708090a0b0c0d0e0f
input	(empty)
expected	687a101bbbf86f3a98080afcfa7fd965

Vector 5 — 1-byte PT, Empty AD

Field	Value
key	000102030405060708090a0b0c0d0e0f
nonce	000102030405
associatedData	(empty)
input	00
expected	312e5e7dde73a0048dd7de0c66be4033a2

Vector 6 — 1-byte PT, 1-byte AD

Field	Value
key	000102030405060708090a0b0c0d0e0f
nonce	000102030405
associatedData	00
input	00
expected	9b92c2d2eedbb1956999f80f4ba5470ca2

Vector 7 — 16-byte PT, Empty AD

Field	Value
key	000102030405060708090a0b0c0d0e0f
nonce	000102030405
associatedData	(empty)
input	000102030405060708090a0b0c0d0e0f
expected	d10cc6cda5214ad435f9b231b0bdd1d182e2d5a15505e038afc39eefbea7d84f

Vector 8 — 16-byte PT, 16-byte AD

Field	Value
key	000102030405060708090a0b0c0d0e0f
nonce	000102030405
associatedData	000102030405060708090a0b0c0d0e0f
input	000102030405060708090a0b0c0d0e0f
expected	b976d6d61ed925eeadf1b8cd4ac208b482e2d5a15505e038afc39eefbea7d84f

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