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returned=1 errno=0 peeraddr=140.82.121.6:443 state=error: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["certificate","golang","ssl","tls"],"created_at":"2026-01-14T12:19:55.419Z","updated_at":"2026-01-14T12:19:55.935Z","avatar_url":"https://github.com/recon-tools.png","language":"Go","funding_links":[],"categories":[],"sub_categories":[],"readme":"# cert-ripper-go\n\n`cert-ripper` is a command line tools that can be used to aid working with x509 certificates.\n\nCurrently, it offers the following features:\n\n- fetch certificate chain from a host\n- save certificates in different formats (PEM, DER, P7B, OpenSSL text)\n- generate and decode certificate signing requests (CSR)\n- generate self-signed certificates\n\n## Examples of Usage\n\n- Fetch certificate chain:\n\n```bash\ncert-ripper print --url=ervinszilagyi.dev\n```\n\n- Generate a CSR:\n\n```bash\ncert-ripper request create --commonName ervinszilagyi.dev\n```\n\n- Decode a CSR:\n\n```bash\ncert-ripper request decode --path=csr.pem\n```\n\n- Generate a self-signed certificate:\n\n```bash\ncert-ripper generate fromstdio --commonName=ervinszilagyi.dev --validFrom=\"2023-05-09 15:04:05\" --validFor=3600 --isCa\n```\n\n- Convert a certificate from .p7b format to .pem:\n\n```bash\ncert-ripper convert -s certs/pkcs.p7b -t certs/crt.pem\n```\n\nFor more details about commands ands functionalities, please visit the [documentation](https://github.com/recon-tools/cert-ripper-go/wiki) page.\n\n## Download and Install\n\n### MacOS\n\nInstall with homebrew:\n\n```bash\nbrew tap recon-tools/homebrew-recon-tools\nbrew install cert-ripper\n```\n\n### Debian/Ubuntu\n\nppa coming, for now download the executable from the [release](https://github.com/recon-tools/cert-ripper-go/releases) page\n\n### Windows/Other\n\nDownload the executable from the releases page: https://github.com/recon-tools/cert-ripper-go/releases\n\n## Building\n\nGo 1.22 is required.\n\n### Linux/MacOS\n\n```bash\ngo build -o target/cert-ripper\n```\n\n### Windows\n\n```bash\ngo build -o target/cert-ripper.exe\n```\n\n### Build with ldflags\n\n```bash\ngo build -ldflags \"-X 'cert-ripper-go/cmd.appVersion=0.0.1'\" -o target/cert-ripper\n```\n\n## Tests\n\nRunning tests:\n\n```bash\ngo test 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