Hawkynt

Hamsi-512

SHA-3 candidate hash function with 512-bit output. Uses a Serpent-inspired non-linear permutation with a linear-code based message expansion in a concatenation-truncation construction.

Properties

Property	Value
Category	Hash Functions
Sub-category	Hash Function
Security status	📰 Obsolete
Complexity	Advanced
Inventor	Özgül Küçük
Year	2008
Origin	🇹🇷 Turkey
Source	algorithms/hash/hamsi.js

Parameters

Parameter	Supported values
Output sizes	64 bytes (512 bits)

Security

Status: 📰 Obsolete

No vulnerabilities are recorded for this implementation.

Documentation

• Hamsi Specification
• Hamsi Submission Package (NIST SHA-3 Round 2)
• sphlib Reference Implementation
• NIST SHA-3 Competition

References

• Distinguishers for the Compression Function and Output Transformation of Hamsi-256
• sphlib test vectors (test_hamsi.c)

Test vectors

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

Vector 1 — Specification version: NIST round-2 KAT ShortMsgKAT_512.txt, Len = 0

Field	Value
variant	specification
input	(empty)
expected	5cd7436a91e27fc809d7015c34075406 33dab391127113ce6ba360f0c1e35f40 4510834a551610d6e871e75651ea381a 8ba628af1dcf2b2be13af2eb6247290f

Vector 2 — Specification version: NIST round-2 KAT ShortMsgKAT_512.txt, Len = 8

Field	Value
variant	specification
input	cc
expected	7da1be62a813a8e24d200671cffb1d0b e79d2bc176ff0b163b11eded2414ef66 261ff52c745383442bc7f1884d5166f2 6f41d335fc2d2fdb2f93b24b8d079265

Vector 3 — Specification version: NIST round-2 KAT ShortMsgKAT_512.txt, Len = 512

Field	Value
variant	specification
input	e926ae8b0af6e53176dbffcc2a6b88c6 bd765f939d3d178a9bde9ef3aa131c61 e31c1e42cdfaf4b4dcde579a37e150ef bef5555b4c1cb40439d835a724e2fae7
expected	3f8531a92159c5790fa3a0d2a4095a19 b25c263ebadc931bc6c88868d8b15683 93e722dfd5ce5842d044604c3a357e8a 4bb6ef9299049c3c83398a8b2ab4bba9

Vector 4 — sphlib version: test_hamsi.c nist_vec512[0] (NIST message, Len = 0)

Field	Value
variant	sphlib
input	(empty)
expected	5cd7436a91e27fc809d7015c34075406 33dab391127113ce6ba360f0c1e35f40 4510834a551610d6e871e75651ea381a 8ba628af1dcf2b2be13af2eb6247290f

Vector 5 — sphlib version: test_hamsi.c nist_vec512[24] (NIST message, Len = 24)

Field	Value
variant	sphlib
input	1f877c
expected	af015a97b6996ed048f32b3a6c209e6a 2daeacd4f61eb62eaa31c68328ee5790 b0681245ebe1ecec4c0dd7f9008672d2 8a0424406998ec02518f023b3c27dcde

Vector 6 — sphlib version: test_hamsi.c nist_vec512[1016] (NIST message, Len = 1016)

Field	Value
variant	sphlib
input	a62fc595b4096e6336e53fcdfc8d1cc1 75d71dac9d750a6133d23199eaac2882 07944cea6b16d27631915b4619f743da 2e30a0c00bbdb1bbb35ab852ef3b9aec 6b0a8dcc6e9e1abaa3ad62ac0a6c5de7 65de2c3711b769e3fde44a74016fff82 ac46fa8f1797d3b2a726b696e3dea553 0439acee3a45c2a51bc32dd055650b
expected	b39be99df905e73ef94ee8a47cdced6c f3a9dbdbf29d35c7bcabadebcd98cd15 219082ac5f25ac0da65b6437146c9cec dbbb89299bd00e3b3fdf51de479de23b

---

← All algorithms

This site is open source. Improve this page.