# reop を Homebrew でインストール

reop のインストール経路、実行ファイル、メタデータ、AI エージェント向けセキュリティノートを確認します。

## インストール

```sh
sudo av install brew:reop
```

追加のインストールコマンド:

### macOS

- Homebrew (100%):

```sh
brew install reop
```

  証拠: local Homebrew formula metadata

## パッケージ情報

- **パッケージキー:** brew:reop
- **パッケージマネージャ:** Homebrew
- **パッケージマネージャページ:** <https://formulae.brew.sh/formula/reop>
- **バージョン:** 2.1.1
- **ソース概要:** Encrypted keypair management
- **ホームページ:** <https://web.archive.org/web/20251224210131/https://flak.tedunangst.com/post/reop>
- **上流ドキュメント:** <https://web.archive.org/web/20251224210131/https://flak.tedunangst.com/post/reop>
- **ライセンス:** ISC
- **ソースアーカイブ:** <https://pkg.freebsd.org/ports-distfiles/reop-2.1.1.tgz>
- **最終更新:** 2026-06-27T18:58:57-04:00
- **生成日時:** 2026-08-04T22:13:35+00:00

## 実行可能ファイル

- reop (cli)
- reop (エイリアス)

## 依存関係

- libsodium

## インストール挙動

- post-install フック: 未定義
- Bottle: 利用可能 対象 arm64_linux, arm64_monterey, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, monterey, sonoma, ventura, x86_64_linux

## バージョンと鮮度

- ページ生成日: 2026-08-04
- マネージャ版: 2.1.1
- マネージャ更新日: 2026-06-27
- ローカルデータ: OK
- 上流リポジトリ: https://web.archive.org/web/20251224210131/https://flak.tedunangst.com/post/reop
- 情報: Release/tag comparison is only available for GitHub repositories.
## プロジェクトの歴史と使われ方

reop, short for reasonable expectation of privacy, is a minimalist command-line tool for signatures and file encryption.

### プロジェクトの歴史

The README frames reop as an extension of ideas from signify rather than an OpenPGP clone. It was written by Ted Unangst and uses NaCl/libsodium primitives for signing and encryption.

### 採用の歴史

reop was adopted mainly by BSD and Homebrew-style packaging channels as a compact alternative to larger tools such as GnuPG or OpenSSL for simple signing and encryption workflows. Homebrew packages version 2.1.1 from a ports distfile and marks it unmaintained.

### 使われ方

The manual documents modes for generating keys, encrypting, decrypting, signing, and verifying. It searches ~/.reop for default key files named seckey, pubkey, and pubkeyring, while command-line options can point to explicit key and message files.

### パッケージ好きにとっての重要性

reop is notable to package maintainers because it is a small cryptographic CLI with a tight dependency story around libsodium, explicit limits, a simple trust model, and source releases that remain useful even without broad ecosystem adoption.

### タイムライン

- 2014: reop.1 carries an Mdoc date of March 16, 2014.
- 1.0: README history records the initial release.
- 1.1.1: README history records binary encrypted messages via the -b option.
- 2.1: README history records a more secure encrypted message format as the default.
- 2.1.1: Homebrew packages this version from the ports distfile.

### Related projects

- The README names signify as an influence and libsodium/NaCl as the cryptographic foundation.

### ソース

- GitHub unkaktus/reop README.
- Homebrew formula metadata for reop.
- reop README and reop.1 from the 2.1.1 source tarball.


## セキュリティノート

broad file, network, media, or database tool signal.

- **Geiger リスク:** blue / 中
- broad file, network, media, or database tool signal


## Configuration and credential file locations

These source-backed paths show where this package keeps local settings or durable credentials. Automic Vault can use them as review targets for secret scanning, migration, and command approval.


## Credential files

- Unix: ~/.reop/seckey, ~/.reop/pubkey, ~/.reop/pubkeyring
## ソースデータベース詳細

- **Source Database:** Homebrew formula API
- **Tap:** homebrew/core
- **Full Name:** reop
- **Version Scheme:** 0
- **Revision:** 1
- **Bottle Stable Root URL:** <https://ghcr.io/v2/homebrew/core>
- **Deprecated:** yes
- **Disabled:** no
- **Keg Only:** no
- **URL Keys:** stable


## 関連リンク

- [Secret-risk packages](https://pkg.so/ja/secret-risk-packages/) - Has protected-tool coverage, approval-gate, or non-low Geiger security signals.
- [Terminal utility packages](https://pkg.so/ja/terminal-utilities/) - Matched terminal and command-line workflow metadata.
- [Archive and compression packages](https://pkg.so/ja/archive-compression-tools/) - Matched archive or compression metadata.
- [Networking and protocol packages](https://pkg.so/ja/networking-protocol-tools/) - Matched network, protocol, or remote-service metadata.
- [skm](https://pkg.so/ja/brew/skm/) - Shares pkgdb curated category or tags: cli, key-management, security.
- [gnupg](https://pkg.so/ja/brew/gnupg/) - Shares pkgdb curated category or tags: cli, encryption, key-management, security.
- [nettle](https://pkg.so/ja/brew/nettle/) - Shares pkgdb curated category or tags: cli, encryption, security.
- [git-crypt](https://pkg.so/ja/brew/git-crypt/) - Shares pkgdb curated category or tags: cli, encryption, security.
- [age](https://pkg.so/ja/brew/age/) - Shares pkgdb curated category or tags: cli, encryption, security.
- [sqlcipher](https://pkg.so/ja/brew/sqlcipher/) - Shares pkgdb curated category or tags: cli, encryption, security.
- [openbao](https://pkg.so/ja/brew/openbao/) - Shares pkgdb curated category or tags: cli, encryption, security.
- [softhsm](https://pkg.so/ja/brew/softhsm/) - Shares pkgdb curated category or tags: cli, key-management, security.
- [gnupg@1.4](https://pkg.so/ja/brew/gnupg-1-4/) - Security-sensitive metadata or terminology overlaps. Shared terms: cli, encryption, key, key-management, management.

## Combined YAML source

View the package source record on GitHub. [combined/reop.yml](https://github.com/mxcl/pkgdb/blob/main/combined/reop.yml)


## ソース

- pkg.so package database
- Geiger risk classifier
- package-page enrichment
- curated configuration and credential file locations
- curated package history
- package version freshness
- pkgdb category and tag curation
- package relationship graph
- cross-ecosystem install command graph