# Installer b2sum avec Homebrew, Nix, scoop

Consultez les chemins d'installation, exécutables, métadonnées et notes de sécurité de b2sum pour les workflows d'agents IA.

## installation

```sh
sudo av install brew:b2sum
```

Commandes d'installation supplémentaires:

### macOS

- Homebrew (100%):

```sh
brew install b2sum
```

  Preuve: local Homebrew formula metadata

### Linux

- Nix (92%):

```sh
nix profile install nixpkgs#b2sum
```

  Preuve: nixpkgs package indexes: b2sum from https://raw.githubusercontent.com/NixOS/nixpkgs/master/pkgs/top-level/all-packages.nix

### Windows

- Scoop (92%):

```sh
scoop install main/b2sum
```

  Preuve: Scoop official bucket manifest trees: bucket/b2sum.json from https://api.github.com/repos/ScoopInstaller/Main/git/trees/master?recursive=1

## Faits du paquet

- **Clé du paquet:** brew:b2sum
- **Gestionnaire de paquets:** Homebrew
- **Page du gestionnaire de paquets:** <https://formulae.brew.sh/formula/b2sum>
- **Version:** 20190724
- **Résumé source:** BLAKE2 b2sum reference binary
- **Page d'accueil:** <https://github.com/BLAKE2/BLAKE2>
- **Dépôt:** <https://github.com/BLAKE2/BLAKE2>
- **Docs amont:** <https://github.com/BLAKE2/BLAKE2#readme>
- **Licence:** CC0-1.0 OR OpenSSL OR Apache-2.0
- **Archive source:** <https://github.com/BLAKE2/BLAKE2/archive/refs/tags/20190724.tar.gz>
- **Généré:** 2026-07-25T07:20:51+00:00

## exécutables

- b2sum (cli)
- b2sum (alias)

## Comportement d'installation

- hook post-installation: non défini
- Bouteille: disponible sur arm64_big_sur, arm64_linux, arm64_monterey, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, big_sur, catalina, monterey, sonoma, ventura

## Version et fraîcheur

- page générée: 2026-07-25
- version du gestionnaire: 20190724
- données locales: OK
- dépôt amont: https://github.com/BLAKE2/BLAKE2
- info: No package-manager update timestamp was available.
- info: No cached GitHub release or tag data was available.
## Historique du projet et usages

`b2sum` is the command-line checksum utility shipped with the BLAKE2 reference source package. It hashes files with BLAKE2 implementations and occupies the same command-line niche as tools such as `sha256sum`, but for BLAKE2.

### Historique du projet

BLAKE2 is a cryptographic hash function family derived from the BLAKE SHA-3 finalist lineage. The official BLAKE2 repository packages portable C implementations, optimized implementations for several CPU families, benchmark code, and the `b2sum` command-line utility.

The `b2sum` source file carries a 2012 copyright notice for the BLAKE2 reference source package, and the BLAKE2 specification was later published as RFC 7693 in 2015. The repository's sparse tag history reflects a small reference-code package rather than a continuously shipped application.

### Historique d'adoption

`b2sum` adoption is tied to users who want a standalone BLAKE2 checksum utility from the reference implementation. The input package facts list Homebrew, Nix, and Scoop packages, which is typical for small cryptographic command-line utilities that package managers make easy to install across platforms.

The broader BLAKE2 family became notable because it offered high performance while retaining cryptographic-hash use cases. For CLI users, `b2sum` is the simple artifact: install a tiny package, hash files, and compare output in scripts.

### Modes d'utilisation

`b2sum` reads files and emits BLAKE2 digests for verification or scripting. The source notes compatibility concerns with coreutils-style checksum behavior, which explains the familiar package-manager naming and command-line shape.

There is no project-level configuration file or credentials file; `b2sum` is a stateless local hashing utility.

### Pourquoi les passionnés de paquets s'y intéressent

For package nerds, `b2sum` is the satisfying opposite of a cloud CLI: tiny, C-based, stateless, and useful anywhere checksums are useful. Its main packaging questions are license expression, CPU-optimized source selection, and making the reference utility available without pulling a larger suite.

It also shows how package names can be misleading beside cloud tooling: `brew:b2sum` is BLAKE2 checksum software, not related to Backblaze B2.

### Chronologie

- 2012: The BLAKE2 reference package includes the `b2sum` tool source.
- 2015: RFC 7693 publishes the BLAKE2 cryptographic hash specification.
- 2016: The BLAKE2 repository has a public `20160619` tag.
- 2019: The BLAKE2 repository has a public `20190724` tag.

### Related projects

- BLAKE2b and BLAKE2s are the main BLAKE2 hash variants in the reference package.
- BLAKE was the SHA-3 competition finalist lineage from which BLAKE2 descends.
- `sha256sum` and other coreutils-style checksum tools are the closest command-line analogs.

### Sources

- BLAKE2 official website
- BLAKE2/BLAKE2 README and b2sum source
- RFC 7693
- source_facts.package-manager


## Notes de sécurité

Aucun manifest local de gestion des secrets correspondant n'a été trouvé pour b2sum. Les métadonnées de paquet Nucleus restent publiées ici afin que la couverture future dispose d'une URL stable.


## Détails de la base source

- **Source Database:** Homebrew formula API
- **Tap:** homebrew/core
- **Full Name:** b2sum
- **Version Scheme:** 0
- **Revision:** 0
- **Conflicts With:** coreutils
- **Bottle Stable Root URL:** <https://ghcr.io/v2/homebrew/core>
- **Deprecated:** no
- **Disabled:** no
- **Keg Only:** no
- **URL Keys:** stable

## Autres enregistrements de gestionnaires de paquets

- Nix - b2sum: normalized package name match | nixpkgs package indexes: b2sum from https://raw.githubusercontent.com/NixOS/nixpkgs/master/pkgs/top-level/all-packages.nix
- Scoop - main/b2sum: normalized package name match | Scoop official bucket manifest trees: bucket/b2sum.json from https://api.github.com/repos/ScoopInstaller/Main/git/trees/master?recursive=1


## Liens liés

- [Source-control packages](https://www.automicvault.com/fr/pkg/source-control-tools/) - Belongs to a source-control command family.
- [Terminal utility packages](https://www.automicvault.com/fr/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata.
- [Networking and protocol packages](https://www.automicvault.com/fr/pkg/networking-protocol-tools/) - Matched network, protocol, or remote-service metadata.
- [Security and crypto packages](https://www.automicvault.com/fr/pkg/security-crypto-tools/) - Matched security, identity, cryptography, password, signing, or certificate metadata.
- [b3sum](https://www.automicvault.com/fr/pkg/brew/b3sum/) - Shares av.db curated category or tags: checksum, cli, cryptography, hashing, security.
- [sha3sum](https://www.automicvault.com/fr/pkg/brew/sha3sum/) - Shares av.db curated category or tags: checksum, cli, cryptography, hashing, security.
- [bao](https://www.automicvault.com/fr/pkg/brew/bao/) - Shares av.db curated category or tags: cli, cryptography, hashing, security.
- [nettle](https://www.automicvault.com/fr/pkg/brew/nettle/) - Shares av.db curated category or tags: cli, cryptography, hashing, security.
- [sha1dc](https://www.automicvault.com/fr/pkg/brew/sha1dc/) - Shares av.db curated category or tags: cli, cryptography, hashing, security.
- [sha2](https://www.automicvault.com/fr/pkg/brew/sha2/) - Shares av.db curated category or tags: cli, cryptography, hashing, security.
- [ares](https://www.automicvault.com/fr/pkg/brew/ares/) - Shares av.db curated category or tags: cli, cryptography, security.
- [argon2](https://www.automicvault.com/fr/pkg/brew/argon2/) - Shares av.db curated category or tags: cli, cryptography, security.

## Combined YAML source

View the package source record on GitHub. [combined/b2sum.yml](https://github.com/automic-vault/db/blob/main/combined/b2sum.yml)


## Sources

- Nucleus package database
- package-page enrichment
- curated package history
- package version freshness
- av.db category and tag curation
- package relationship graph
- external package-manager database matches
- cross-ecosystem install command graph