From 33d746ccc5c9f4c99c9d2d86ed73fc5ad27d6e04 Mon Sep 17 00:00:00 2001
From: Cat Tom <cattom@cattom.site>
Date: Mon, 30 Mar 2026 20:38:10 +0800
Subject: [PATCH] Edit Snippets

---
 docs/tech/Snippets.md | 45 ++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 44 insertions(+), 1 deletion(-)

diff --git a/docs/tech/Snippets.md b/docs/tech/Snippets.md
index 080b2fe..3813808 100644
--- a/docs/tech/Snippets.md
+++ b/docs/tech/Snippets.md
@@ -175,4 +175,47 @@ services:
 
 4.  将 `System.IsPinnedToNameSpaceTree` 值修改为 `0` > 确定。
 
-5.  最后，重启你的电脑。
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+5.  最后，重启你的电脑。
+
+## 修复 macOS Tahoe 26.4 git 提交时调用 ed25519-sk SSH 密钥报错
+
+### 环境
+
+- macOS Tahoe 26.4
+- Visual Studio Code 1.113.0
+
+### 报错
+
+```
+> git -c user.useConfigOnly=true commit --quiet --allow-empty-message --file -
+error: Signing file /var/folders/71/0cg33245411cnc0d7zfrkgqm0000gn/T//.git_signing_buffer_tmpLjPKBL
+Confirm user presence for key ED25519-SK SHA256:11zuoQXlgOuWaSqwMjnI0RJvlDEj+ZdgnlKZd8xJNC0
+No FIDO SecurityKeyProvider specified?
+Couldn't sign message: invalid format?
+Signing /var/folders/71/0cg33245411cnc0d7zfrkgqm0000gn/T//.git_signing_buffer_tmpLjPKBL failed: invalid format?
+
+fatal: failed to write commit object
+```
+
+### 解决办法
+
+```
+/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
+
+brew uninstall --force openssh libfido2
+
+brew install openssh libfido2
+
+brew list libfido2
+
+# FIDO 驱动文件: /opt/homebrew/Cellar/libfido2/1.16.0_1/lib/libfido2.1.16.0.dylib
+
+# 重新生成密钥 该密钥不会存储在 YubiKey 设备本身
+/opt/homebrew/bin/ssh-keygen -t ed25519-sk -f ~/.ssh/git-signing-for-mac
+
+git config --global gpg.ssh.program "/opt/homebrew/bin/ssh-keygen"
+git config --global gpg.ssh.ssh-keygen-extra-args "-P /opt/homebrew/Cellar/libfido2/1.16.0_1/lib/libfido2.1.16.0.dylib" # 此处需指向 FIDO 驱动文件
+git config --global user.signingkey "~/.ssh/git-signing-for-mac.pub" # 新生成的公钥记得在 GitHub 注册
+
+code . # 通过终端启动 Visual Studio Code
+```
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