Hawkynt

SpoC-64

Lightweight AEAD using sLiSCP-light-192 permutation with 64-bit tag. Primary SpoC variant optimized for minimal hardware implementation.

Properties

Property Value
Category Authenticated Encryption
Sub-category AEAD Cipher
Security status ๐Ÿงช Experimental
Complexity Advanced
Inventor Kalikinkar Mandal, Dhiman Saha
Year 2019
Origin ๐ŸŒ International
Source algorithms/aead/spoc.js

Parameters

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

Capabilities

Flag Value
SupportsDetached No

Security

Status: ๐Ÿงช Experimental

No vulnerabilities are recorded for this implementation.

Documentation

References

Test vectors

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

Vector 1 โ€” NIST LWC KAT Vector #1 - Empty plaintext and AD

Field Value
key 000102030405060708090a0b0c0d0e0f
nonce 000102030405060708090a0b0c0d0e0f
associatedData (empty)
input (empty)
expected 1b8e3d0312362a22

Vector 2 โ€” NIST LWC KAT Vector #2 - Empty plaintext with single AD byte

Field Value
key 000102030405060708090a0b0c0d0e0f
nonce 000102030405060708090a0b0c0d0e0f
associatedData 00
input (empty)
expected e314f8572d6d1995

Vector 3 โ€” NIST LWC KAT Vector #34 - Single plaintext byte, empty AD

Field Value
key 000102030405060708090a0b0c0d0e0f
nonce 000102030405060708090a0b0c0d0e0f
associatedData (empty)
input 00
expected d54568591ab6696c94

Vector 4 โ€” NIST LWC KAT Vector #169 - 5-byte plaintext with 3-byte AD (partial rate block)

Field Value
key 000102030405060708090a0b0c0d0e0f
nonce 000102030405060708090a0b0c0d0e0f
associatedData 000102
input 0001020304
expected f4b88fa2fe94e80ba2a4a55708

Vector 5 โ€” NIST LWC KAT Vector #1089 - 32-byte plaintext with 32-byte AD (multiple full rate blocks)

Field Value
key 000102030405060708090a0b0c0d0e0f
nonce 000102030405060708090a0b0c0d0e0f
associatedData 000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f
input 000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f
expected 5d1f88d2d4cceb47c921ebcd717b689b 1dc86a640c72c1022350e05fb91282fe b4fbde5f34a15ca0

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