certstrap

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  "desc": "Tools to bootstrap CAs, certificate requests, and signed certificates",
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  "full_name": "certstrap",
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  "github_last_commit_at": "2026-02-03T22:27:34Z",
  "github_readme_excerpt": "# certstrap\n[![godoc](http://img.shields.io/badge/godoc-certstrap-blue.svg?style=flat)](https://godoc.org/github.com/square/certstrap)\n[![CI](https://github.com/square/certstrap/actions/workflows/go.yml/badge.svg)](https://github.com/square/certstrap/actions/workflows/go.yml)\n[![license](http://img.shields.io/badge/license-apache_2.0-red.svg?style=flat)](https://raw.githubusercontent.com/square/certstrap/master/LICENSE)\n\nA simple certificate manager written in Go, to bootstrap your own certificate authority and public key infrastructure.  Adapted from etcd-ca.\n\ncertstrap is a very convenient app if you don\u0027t feel like dealing with openssl, its myriad of options or config files.\n\n## Common Uses\n\ncertstrap allows you to build your own certificate system:\n\n1. Initialize certificate authorities\n2. Create identities and certificate signature requests for hosts\n3. Sign and generate certificates\n\n## Certificate architecture\n\ncertstrap can init multiple certificate authorities to sign certificates with.  Users can make arbitrarily long certificate chains by using signed hosts to sign later certificate requests, as well.\n\n## Examples\n\n## Getting Started\n\n### Building\n\ncertstrap must be built with Go 1.18+. You can build certstrap from source:\n\n```\n$ git clone https://github.com/square/certstrap\n$ cd certstrap\n$ go build\n```\n\nThis will generate a binary called `certstrap` under project root folder.\n\n### Initialize a new certificate authority:\n\n```\n$ ./certstrap init --common-name \"CertAuth\"\nCreated out/CertAuth.key\nCreated out/CertAuth.crt\nCreated out/CertAuth.crl\n```\n\nNote that the `-common-name` flag is required, and will be used to name output files.\n\nMoreover, this will also generate a new keypair for the Certificate Authority,\nthough you can use a pre-existing private PEM key with the `-key` flag.\n\nIf the CN contains spaces, certstrap will change them to underscores in the filename for easier use.  The spaces will be preserved inside the fields of the generated files:\n\n`",
  "github_repo": "square/certstrap",
  "github_stars": 2448,
  "github_topics": [
    "bootstrap",
    "certificate",
    "certificate-authority",
    "crypto",
    "csr",
    "golang",
    "ssl",
    "tls"
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  "homepage": "https://github.com/square/certstrap",
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  "license": "Apache-2.0",
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  "name": "certstrap",
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  "ruby_source_path": "Formula/c/certstrap.rb",
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  "version_stable": "1.3.0",
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