Hawkynt

Anubis

128-bit block cipher designed by Vincent Rijmen and Paulo Barreto for the NESSIE project. Features variable key length from 128-320 bits in 32-bit increments.

Properties

Property	Value
Category	Block Ciphers
Sub-category	Block Cipher
Security status	🎓 Educational Only
Complexity	Intermediate
Inventor	Vincent Rijmen, Paulo S.L.M. Barreto
Year	2000
Origin	🇧🇪 Belgium
Source	algorithms/block/anubis.js

Parameters

Parameter	Supported values
Key sizes	16 bytes (128 bits) to 40 bytes (320 bits) in steps of 4 bytes
Block sizes	16 bytes (128 bits)

Security

Status: 🎓 Educational Only

No vulnerabilities are recorded for this implementation.

Documentation

• NESSIE Project - Anubis Specification
• Wikipedia - Anubis (cipher)
• Original Anubis Paper

References

• NESSIE Reference Implementation
• Crypto++ Anubis Implementation

Test vectors

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

Vector 1 — DarkCrypt Anubis-tweaked-256 vector 1/zero

Field	Value
key	0000000000000000000000000000000000000000000000000000000000000000
input	00000000000000000000000000000000
expected	e5391940ae209c9ed3f26bb9b272d084

Vector 2 — DarkCrypt Anubis-tweaked-256 vector 2/incr

Field	Value
key	000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f
input	000102030405060708090a0b0c0d0e0f
expected	25167975ba15a98c648d6f5e4e8bdb39

Vector 3 — DarkCrypt Anubis-tweaked-256 vector 3/incr2

Field	Value
key	0102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f20
input	101112131415161718191a1b1c1d1e1f
expected	c093290cd5240a55042f5550ee8403ca

Vector 4 — LibTomCrypt Tweaked Vector - 128-bit key (0x80 prefix)

Field	Value
key	80000000000000000000000000000000
input	00000000000000000000000000000000
expected	b835bdc334829d8371bfa371e4b3c4fd

Vector 5 — LibTomCrypt Tweaked Vector - 160-bit key (0x80 prefix)

Field	Value
key	8000000000000000000000000000000000000000
input	00000000000000000000000000000000
expected	9759794b5ca0707324efb35867cad4b3

Vector 6 — LibTomCrypt Tweaked Vector - 192-bit key (0x80 prefix)

Field	Value
key	800000000000000000000000000000000000000000000000
input	00000000000000000000000000000000
expected	7d623b52c74c64d8ebc72d579785438f

Vector 7 — LibTomCrypt Tweaked Vector - 224-bit key (0x80 prefix)

Field	Value
key	80000000000000000000000000000000000000000000000000000000
input	00000000000000000000000000000000
expected	689e05946a94438fe78e373d249792f5

Vector 8 — LibTomCrypt Tweaked Vector - 256-bit key (0x80 prefix)

Field	Value
key	8000000000000000000000000000000000000000000000000000000000000000
input	00000000000000000000000000000000
expected	9600f07691692987f5e597dbdbaf1b0a

Vector 9 — LibTomCrypt Tweaked Vector - 288-bit key (0x80 prefix)

Field	Value
key	80000000000000000000000000000000 00000000000000000000000000000000 00000000
input	00000000000000000000000000000000
expected	0fc7a2c01117ac43525edf6cf396336c

Vector 10 — LibTomCrypt Tweaked Vector - 320-bit key (0x80 prefix)

Field	Value
key	80000000000000000000000000000000 00000000000000000000000000000000 0000000000000000
input	00000000000000000000000000000000
expected	fee20e2a9dc583baa3a6d6a6f2e806a5

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