Hawkynt

ARIA

Korean national encryption standard (KS X 1213:2004) with 128-bit block size. Supports 128/192/256-bit keys using Substitution-Permutation Network structure.

Properties

Property	Value
Category	Block Ciphers
Sub-category	Block Cipher
Security status	Not classified
Complexity	Advanced
Inventor	Korean Agency for Technology and Standards
Year	2004
Origin	🇰🇷 South Korea
Source	algorithms/block/aria.js

Parameters

Parameter	Supported values
Key sizes	16 bytes (128 bits) to 32 bytes (256 bits) in steps of 8 bytes
Block sizes	16 bytes (128 bits)

Security

Status: not classified — treat as unverified.

No vulnerabilities are recorded for this implementation.

Documentation

• RFC 5794 - ARIA Encryption Algorithm
• KS X 1213:2004 - Korean Standard
• Wikipedia - ARIA cipher

References

• Original ARIA Specification
• OpenSSL ARIA Implementation
• Crypto++ ARIA Implementation

Test vectors

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

Vector 1 — DarkCrypt ARIA vector 1/zero

Field	Value
key	0000000000000000000000000000000000000000000000000000000000000000
input	00000000000000000000000000000000
expected	c20857dd9106ddde286ec59fa98d77cc

Vector 2 — DarkCrypt ARIA vector 2/incr

Field	Value
key	000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f
input	000102030405060708090a0b0c0d0e0f
expected	7a859561ff6f42df04a242bfea4fe9dc

Vector 3 — DarkCrypt ARIA vector 3/incr2

Field	Value
key	0102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f20
input	101112131415161718191a1b1c1d1e1f
expected	7570fa11eef8439511faeeaed33d511d

Vector 4 — RFC 5794 ARIA-128 Test Vector

Field	Value
key	000102030405060708090a0b0c0d0e0f
input	00112233445566778899aabbccddeeff
expected	d718fbd6ab644c739da95f3be6451778

Vector 5 — RFC 5794 ARIA-192 Test Vector

Field	Value
key	000102030405060708090a0b0c0d0e0f1011121314151617
input	00112233445566778899aabbccddeeff
expected	26449c1805dbe7aa25a468ce263a9e79

Vector 6 — RFC 5794 ARIA-256 Test Vector

Field	Value
key	000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f
input	00112233445566778899aabbccddeeff
expected	f92bd7c79fb72e2f2b8f80c1972d24fc

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