ci: probe SSH key secret round-trip

2026-09-20 16:12:28 +07:00
parent 9d527d749e
commit bf30e3910e
1 changed files with 18 additions and 0 deletions
@@ -0,0 +1,18 @@
+name: Probe SSH Key Secret
+
+on:
+  workflow_dispatch:
+
+jobs:
+  probe:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Decode and hash
+        env:
+          SSH_KEY: ${{ secrets.SSH_PRIVATE_KEY }}
+        run: |
+          echo "$SSH_KEY" | base64 -d > /tmp/k
+          echo "key lines: $(wc -l < /tmp/k)"
+          echo "key bytes: $(wc -c < /tmp/k)"
+          echo "sha256(b64): $(echo "$SSH_KEY" | tr -d '\n' | sha256sum | cut -d' ' -f1)"
+          ssh-keygen -y -f /tmp/k >/dev/null 2>&1 && echo "KEYGEN_OK" || echo "KEYGEN_FAIL"