# Install sha2

Implementation of SHA-256, SHA-384, and SHA-512 hash algorithms. Version 1.0.1 via Homebrew; verified from local package data.

## Install

```sh
sudo av install brew:sha2
```

Additional install commands:

### macOS

- Homebrew (100%):

```sh
brew install sha2
```

  Evidence: local Homebrew formula metadata

### Linux

- dnf (92%):

```sh
sudo dnf install sha2
```

  Evidence: Fedora Rawhide package metadata: sha2 from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/13ee7b80cb813542594d4235c4a0b8695435d5ecf23dd3580bc7515ae1b6180d-primary.xml.zst

## Package Facts

- **Package key:** brew:sha2
- **Package manager:** Homebrew
- **Package manager URL:** <https://formulae.brew.sh/formula/sha2>
- **Version:** 1.0.1
- **Source summary:** Implementation of SHA-256, SHA-384, and SHA-512 hash algorithms
- **Homepage:** <https://aarongifford.com/computers/sha.html>
- **Upstream docs:** <https://aarongifford.com/computers/sha.html>
- **License:** BSD-3-Clause
- **Source archive:** <https://aarongifford.com/computers/sha2-1.0.1.tgz>
- **Generated:** 2026-06-10T07:18:26+00:00

## Executables

- sha2 (cli)
- sha2 (alias)

## Install Behavior

- Post-install hook: not defined
- Bottle: available on arm64_big_sur, arm64_linux, arm64_monterey, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, big_sur, catalina, monterey, sonoma, ventura

## Freshness

- Page generated: 2026-06-10
- Package-manager version: 1.0.1
- Local data status: ok
- Upstream repository: https://aarongifford.com/computers/sha.html
- info: No package-manager update timestamp was available.
- info: Release/tag comparison is only available for GitHub repositories.

## 安全说明

narrow executable package without higher-risk signals.

- **Geiger risk:** green / low
- narrow executable package without higher-risk signals

## Source Database Details

- **Source Database:** Homebrew formula API
- **Tap:** homebrew/core
- **Full Name:** sha2
- **Version Scheme:** 0
- **Revision:** 0
- **Bottle Stable Root URL:** <https://ghcr.io/v2/homebrew/core>
- **Deprecated:** no
- **Disabled:** no
- **Keg Only:** no
- **URL Keys:** stable

## Other Package-Manager Records

- dnf - sha2 - 1.0.1-31.fc44: normalized package name match | Fedora Rawhide package metadata: sha2 from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/13ee7b80cb813542594d4235c4a0b8695435d5ecf23dd3580bc7515ae1b6180d-primary.xml.zst | SHA Implementation Library | http://www.aarongifford.com/computers/sha.html
- dnf - sha2-devel - 1.0.1-31.fc44: normalized package name match | Fedora Rawhide package metadata: sha2-devel from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/13ee7b80cb813542594d4235c4a0b8695435d5ecf23dd3580bc7515ae1b6180d-primary.xml.zst | Development files for sha2 | http://www.aarongifford.com/computers/sha.html


## Related Links

- [Terminal utility packages](https://www.automicvault.com/zh-hans/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata.
- [Networking and protocol packages](https://www.automicvault.com/zh-hans/pkg/networking-protocol-tools/) - Matched network, protocol, or remote-service metadata.
- [Security and crypto packages](https://www.automicvault.com/zh-hans/pkg/security-crypto-tools/) - Matched security, identity, cryptography, password, signing, or certificate metadata.
- [Web development packages](https://www.automicvault.com/zh-hans/pkg/web-dev-tools/) - Matched web development metadata.
- [sha3sum](https://www.automicvault.com/zh-hans/pkg/brew/sha3sum/) - Shares av.db curated category or tags: cli, cryptography, hash-utilities, hashing, security.
- [sha1dc](https://www.automicvault.com/zh-hans/pkg/brew/sha1dc/) - Shares av.db curated category or tags: cli, cryptography, hash-utilities, hashing, security.
- [nettle](https://www.automicvault.com/zh-hans/pkg/brew/nettle/) - Shares av.db curated category or tags: cli, cryptography, hashing, security.
- [gnutls](https://www.automicvault.com/zh-hans/pkg/brew/gnutls/) - Shares av.db curated category or tags: cli, cryptography, security.
- [nss](https://www.automicvault.com/zh-hans/pkg/brew/nss/) - Shares av.db curated category or tags: cli, cryptography, security.
- [gpgme](https://www.automicvault.com/zh-hans/pkg/brew/gpgme/) - Shares av.db curated category or tags: cli, cryptography, security.
- [mbedtls](https://www.automicvault.com/zh-hans/pkg/brew/mbedtls/) - Shares av.db curated category or tags: cli, cryptography, security.
- [openssh](https://www.automicvault.com/zh-hans/pkg/brew/openssh/) - Shares av.db curated category or tags: cli, cryptography, security.
- [rhash](https://www.automicvault.com/zh-hans/pkg/brew/rhash/) - Security-sensitive metadata or terminology overlaps. Shared terms: 256, 512, cli, cryptography, hash.

## Sources

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