mirror of
https://github.com/BLAKE3-team/BLAKE3
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62 lines
2.0 KiB
Markdown
62 lines
2.0 KiB
Markdown
# BLAKE3
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BLAKE3 is a cryptographic hash function that is
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1. Faster than MD5, SHA1, SHA2, SHA3, and even BLAKE2
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1. Highly parallelizable: The more data and the more cores, the faster it
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goes. (For you specialists reading this: this is because it is actually a
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MerkleTree under the hood.)
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1. Capable of streaming and random-access verification. (Again: the magic of Merkle Trees.)
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1. Carefully engineered to be simple and safe to use, with no "modes" or tweaks required.
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This repository provides the reference implementation of BLAKE3, which
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is coded in Rust and includes portable as well as optimized code for
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various instructions sets.
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The complete specifications and design rationale are available as a
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[PDF](https://github.com/BLAKE3-team/BLAKE3-specs/raw/master/blake3.pdf) and its
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[LaTeX source](https://github.com/BLAKE3-team/BLAKE3-specs/).
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The following graph shows BLAKE3's multi-threaded throughput on an Intel
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Kany Lake processor:
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BLAKE3 was designed by:
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* [@oconnor63 ](https://github.com/oconnor63) (Jack O'Connor)
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* [@sneves](https://github.com/sneves) (Samuel Neves)
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* [@veorq](https://github.com/veorq) (Jean-Philippe Aumasson)
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* [@zookozcash](https://github.com/zookozcash) (Zooko)
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*WARNING*: BLAKE3 is not a password-hash function, because it's designed
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to be fast, whereas password hashing should not be fast.
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If you hash passwords to store the hashes or if you derive keys from password, we recommend
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[Argon2](https://github.com/P-H-C/phc-winner-argon2).
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## Usage
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TODO
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## History
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BLAKE3 is essentially an adapted version of [BLAKE2](https://blake2.net)
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using the tree [Bao](https://github.com/oconnor663/baokeshed) tree mode.
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BLAKE2 is an established cryptographic hash function, for example
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supported by OpenSSL, and used in countless applications.
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Bao is a tree hashing mode satisfying the requirements for provably
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secure tree hashing.
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## Contributing
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Please see [CONTRIBUTING.md](CONTRIBUTING.md)
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## Licensing
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The source code in the present repository is dual-licensed under Apache
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2 and CC0 licences.
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