Add OmarchyCN release signing public key and verification docs

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01QKxGW1raAWaqeU8WdHsMsp
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2026-08-24 18:18:38 -04:00
co-authored by Claude Fable 5
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-----BEGIN PGP PUBLIC KEY BLOCK-----
mDMEaozDJhYJKwYBBAHaRw8BAQdA3l2d/6gj2z96cit0NGYg419BmDDFH6SYhkzL
3OMVCem0PU9tYXJjaHlDTiBSZWxlYXNlIFNpZ25pbmcgS2V5IDx6aGFuZ3lhbmdo
YWhhMDQwN0BvdXRsb29rLmNvbT6ImQQTFgoAQRYhBARJDwZfat0mKnJDUG7fe4YD
tdJHBQJqjMMmAhsBBQkDwmcABQsJCAcCAiICBhUKCQgLAgQWAgMBAh4HAheAAAoJ
EG7fe4YDtdJHuSMBAI3/samJVmhfdr/HYS8y266Xq82tof9lL9izImd/YibkAQCQ
Fjw97J4LPnPQEm93j/3kmHC+EGTQu3EDbXEoI/AUC7gzBGqMwyYWCSsGAQQB2kcP
AQEHQCRBOFrQ9UQVtv3XawZIMm93j3IV45K8kk5AGLg+JnMUiPUEGBYKACYWIQQE
SQ8GX2rdJipyQ1Bu33uGA7XSRwUCaozDJgIbAgUJA8JnAACBCRBu33uGA7XSR3Yg
BBkWCgAdFiEEUarKC/SJIll7SA5+IRubguF8+2cFAmqMwyYACgkQIRubguF8+2cP
FQD6A6Xgt7L5bXR/kSJXvDHEgjsQG5xfAEEaZ8/VZ0clWxwA/ikOgsx8VQkZhwrJ
Hb/3iG5mb138yHf3Ug00N1GwL6gOHn0A/3OSdXKvdmQhMEUf8TpZNf/ouRal2NsI
BB1FBGxZWCYGAQDJRR2W0FEYbEuzUj9XGCHb8O9TjabNN0QduQj78ZNNAQ==
=Awb4
-----END PGP PUBLIC KEY BLOCK-----
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# Release 签名与验证
OmarchyCN 发布产物(ISO、SHA256SUMS、release.json)使用 PGP 签名。
## 当前密钥
| 用途 | 指纹 | 有效期 |
|---|---|---|
| 主钥(仅认证) | `04490F065F6ADD262A7243506EDF7B8603B5D247` | 2026-08-24 → 2028-08-23 |
| 发布签名子钥 | `51AACA0BF48922597B480E7E211B9B82E17CFB67` | 同上 |
公钥文件:[`cn/keys/omarchycn-release.asc`](../cn/keys/omarchycn-release.asc)
## 验证下载
```bash
gpg --import cn/keys/omarchycn-release.asc
gpg --verify SHA256SUMS.txt.asc SHA256SUMS.txt
sha256sum -c SHA256SUMS.txt
```
确认签名者指纹与上表一致。
## 密钥保管
- 主钥私钥离线保存(不进服务器、不进 CI),仅用于签发/吊销子钥
- 日常签名只使用签名子钥
- 私钥与吊销证书不入 Git;仓库只含公钥
## 轮换流程
1. 用主钥吊销旧签名子钥,签发新子钥
2. 更新 `cn/keys/omarchycn-release.asc` 与本文档指纹表
3. 在下一个 Release Notes 中公告轮换
4. 主钥泄露时:发布吊销证书、启用全新主钥、公告并重签最近产物