10 Questions
What is the word size used by BLAKE-512 and BLAKE-384?
64-bit words
How does BLAKE combine the hash value with message words to obtain the next hash value?
By truncating the ChaCha result
Who announced the BLAKE2 hash function based on BLAKE?
Jean-Philippe Aumasson
In which year was BLAKE3, based on BLAKE2, announced?
2020
How many entries were there in the NIST hash function competition in 2008?
51 entries
What is the core block transformation in BLAKE based on?
A table of 16 constant words and a table of 10 16-element permutations
What is the main difference between BLAKE and ChaCha's quarter-round function?
BLAKE reuses the permutation of the ChaCha stream cipher with opposite direction rotations
What are some changes that have been made to BLAKE in response to the NIST hash function competition?
The number of rounds was increased from 10/14 to 14/16
What was the design goal of BLAKE2 in relation to MD5 and SHA-1 algorithms?
To provide better security and performance than MD5 and SHA-1
What features does BLAKE2 support?
Keying, salting, personalization, and hash tree modes
Test your knowledge about the BLAKE cryptographic hash function, which is based on Daniel J. Bernstein's ChaCha stream cipher and combines an 8-word hash value with 16 message words. Learn about the variants, word sizes, and the operations involved in BLAKE-256 and BLAKE-224.
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