Hawkynt

BLAKE2b

BLAKE2b is a high-speed cryptographic hash function optimized for 64-bit platforms. It’s faster than MD5, SHA-1, SHA-2, and SHA-3 while providing excellent security properties.

Properties

Property	Value
Category	Hash Functions
Sub-category	BLAKE Family
Security status	Not classified
Complexity	Advanced
Inventor	Jean-Philippe Aumasson, Samuel Neves, Zooko Wilcox-O’Hearn, Christian Winnerlein
Year	2012
Origin	🇨🇭 Switzerland
Source	algorithms/hash/blake2.js

Parameters

Parameter	Supported values
Output sizes	64 bytes (512 bits)

Security

Status: not classified — treat as unverified.

No vulnerabilities are recorded for this implementation.

Documentation

• RFC 7693 - BLAKE2 Cryptographic Hash and MAC
• BLAKE2 Official Specification
• BLAKE2 Reference Implementation

References

• Wikipedia BLAKE2
• libsodium BLAKE2b

Test vectors

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

Vector 1 — RFC 7693 Test Vector - Empty string

Field	Value
input	(empty)
expected	786a02f742015903c6c6fd852552d272 912f4740e15847618a86e217f71f5419 d25e1031afee585313896444934eb04b 903a685b1448b755d56f701afe9be2ce

Vector 2 — RFC 7693 Test Vector - abc

Field	Value
input	616263
expected	ba80a53f981c4d0d6a2797b69f12f6e9 4c212f14685ac4b74b12bb6fdbffa2d1 7d87c5392aab792dc252d5de4533cc95 18d38aa8dbf1925ab92386edd4009923

Vector 3 — RFC 7693 Test Vector - The quick brown fox

Field	Value
input	54686520717569636b2062726f776e20 666f78206a756d7073206f7665722074 6865206c617a7920646f67
expected	a8add4bdddfd93e4877d2746e62817b1 16364a1fa7bc148d95090bc7333b3673 f82401cf7aa2e4cb1ecd90296e3f14cb 5413f8ed77be73045b13914cdcd6a918

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