macOS
Homebrew已验证 · 100%
brew install bkcracklocal Homebrew formula metadata
安装
其他安装命令
Linux
Nix已验证 · 92%
nix profile install nixpkgs#bkcracknixpkgs package indexes · pkgs/by-name/bk/bkcrack/package.nix · 来源: api.github.com
openSUSE zypper已验证 · 92%
sudo zypper install bkcrackopenSUSE Tumbleweed package metadata · bkcrack · 来源: download.opensuse.org
概览
软件包摘要
Crack legacy zip encryption with Biham and Kocher's known plaintext attack
历史
项目历史与用法
bkcrack is a command-line cryptanalysis tool for legacy ZIP encryption, specifically the traditional PKWARE/ZipCrypto scheme. Its package-manager identity is narrow and practical: a small utility installed when a user needs a known-plaintext attack workflow against old encrypted ZIP archives.
项目历史
The project was published on GitHub in 2016 and describes itself as an implementation of Eli Biham and Paul C. Kocher's known-plaintext attack on the PKZIP stream cipher. Its documentation explains the ZipCrypto keystream model and frames bkcrack as a way to recover internal keys, remove or change archive passwords, and attempt password recovery.
采用历史
bkcrack grew from a specialist security tool into a packaged CLI available through Homebrew, Nix, openSUSE/zypper, and upstream GitHub release artifacts for Ubuntu, macOS, and Windows. That distribution pattern reflects a tool useful enough for repeatable incident-response and recovery workflows but still niche compared with general password crackers.
使用方式
Typical use starts with a ciphertext entry and 12 or more bytes of known plaintext, often supplied from another ZIP entry or file. Users run bkcrack to recover the ZipCrypto internal state, then decrypt data, create an unencrypted copy of the archive, change the password, or search for the original password from recovered keys.
为什么软件包爱好者会关心
Package nerds care about bkcrack because it packages a classic academic break of legacy ZIP encryption into a reproducible CLI with cross-platform binaries. It is a reminder that 'ZIP password support' in archive tools historically meant weak ZipCrypto unless AES or another modern scheme was explicitly used.
时间线
- 1994: Biham and Kocher publish the known-plaintext attack on the PKZIP stream cipher.
- 2016: bkcrack repository is created on GitHub.
- 2020: v1.0.0 appears as the first GitHub release in the current release history.
- 2020s: bkcrack becomes available through Homebrew and other Unix package sets.
Related projects
- Related tools include zip password recovery and auditing utilities, but bkcrack is specifically centered on ZipCrypto known-plaintext recovery rather than generic brute-force cracking.
- The underlying cryptanalytic reference is Biham and Kocher's PKZIP stream-cipher paper, which bkcrack cites directly from its README.
来源
安全态势
风险级别：blue
broad file, network, media, or database tool signal.
风险分类器
blue 风险 · 中 置信度 · tool
原因
- broad file, network, media, or database tool signal
信号
- text:encrypt
安装行为
- formula 元数据中未记录 Homebrew post-install 钩子。
- Homebrew bottle 元数据适用于 6 个平台目标。
- 构建元数据列出 1 个构建依赖。
建议审查
在无人值守的代理使用前，请检查该工具是否读取明文凭据、写入远程状态、发布制品或调用插件。
可执行文件
已安装的可执行文件
| 命令 | 类型 | 暴露范围 | 备注 |
|---|---|---|---|
bkcrack | cli | 全局可执行文件 |
新鲜度
版本和新鲜度
这些信号区分页生成时间、软件包管理器活动和上游发布比较。只有存在证据 URL 和可比较版本时，才会提示版本落后。
页面生成时间2026-08-04
管理器版本1.8.1
管理器更新时间
本地数据OK
上游当前
检测到的最新版本v1.8.1
https://github.com/kimci86/bkcrack
- 信息No package-manager update timestamp was available.低 置信度
安装元数据
软件包元数据
| 软件包键 | brew:bkcrack |
|---|---|
| 版本 | 1.8.1 |
| 软件包管理器 | Homebrew |
| 软件包管理器页面 | https://formulae.brew.sh/formula/bkcrack |
| 主页 | https://github.com/kimci86/bkcrack |
| 仓库 | https://github.com/kimci86/bkcrack |
| 许可证 | Zlib |
| 源码归档 | https://github.com/kimci86/bkcrack/archive/refs/tags/v1.8.1.tar.gz |
| 构建依赖 | cmake |
| Bottle | 可用 (于 arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux) |
| Homebrew post-install | 未定义 |
| 服务 | 未声明 |
注册表事实
源数据库详情
| Source Database | Homebrew formula API |
|---|---|
| Tap | homebrew/core |
| Full Name | bkcrack |
| Version Scheme | 0 |
| Revision | 0 |
| Head Version | HEAD |
| Bottle Stable Root URL | https://ghcr.io/v2/homebrew/core |
| Deprecated | no |
| Disabled | no |
| Keg Only | no |
| URL Keys |
|
源数据库匹配
其他软件包管理器记录
匹配项来自外部软件包管理器索引，并与本地 Automic Vault 软件包链接分开显示。
Nix95%
bkcrack
nix profile install nixpkgs#bkcrack- normalized package name match
- 匹配方式：Bkcrack
zypper95%
bkcrack 1.8.1-1.5
Crack legacy zip encryption with Biham and Kocher's known plaintext attack
https://github.com/kimci86/bkcrack/
sudo zypper install bkcrack- License: Zlib
- Category: Unspecified
- Architecture: x86_64
- Source Package: bkcrack
- 3 依赖
- 1 提供
- normalized package name match
- 匹配方式：Bkcrack
来源线索
由仓库数据生成
此页面由 av-web 从 scripts/generate-pkg-sqlite.py 生成的私有软件包 SQLite 工件提供。
Combined YAML source
View the package source record on GitHub.
使用的来源
- Geiger risk classifier
- cross-ecosystem install command graph
- curated package history
- external package-manager database matches
- package relationship graph
- package version freshness
- package-page enrichment
- pkg.so package database
- pkgdb category and tag curation