Add nicolasdorier.asc file to check signed commit
What changed, and why it matters
This commit adds a public PGP key file and updates a CI script to import it when verifying that commits are cryptographically signed. It is a hardening/operational improvement to the project's build verification process, not a fix for a software vulnerability in BTCPay Server itself.
No security action required. Review the imported PGP key fingerprint against a trusted out-of-band source to confirm it belongs to the expected maintainer.
Security signals we found
Adds PGP public key for commit signature verification in CI
Updates verify-signed-commit.sh to import keys before verification
No product code changes; only CI/build trust infrastructure
Evidence from the diff
The diff creates .circleci/nicolasdorier.asc (a PGP public key block) and modifies .circleci/verify-signed-commit.sh to import all .asc keys via gpg –batch –import *.asc before checking git log -1 –format=”%G?” HEAD. The script still rejects commits that are not signed (status not G or U). This enables the CI environment to recognize the trusted signer and display signature details.
Changed components
.circleci/nicolasdorier.asc.circleci/verify-signed-commit.shInspect captured patch +56 / −1
diff --git a/.circleci/nicolasdorier.asc b/.circleci/nicolasdorier.asc
new file mode 100644
index 0000000..c9632e3
--- /dev/null
+++ b/.circleci/nicolasdorier.asc
@@ -0,0 +1,51 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+
+mQINBFuPQQEBEADWe0DHzPvxOuiRAlUyvoQm/+P6jiCqZ4XjFfPIthPh4lnj9ZC6
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+=ae30
+-----END PGP PUBLIC KEY BLOCK-----
diff --git a/.circleci/verify-signed-commit.sh b/.circleci/verify-signed-commit.sh
index 672c041..d9a181f 100755
--- a/.circleci/verify-signed-commit.sh
+++ b/.circleci/verify-signed-commit.sh
@@ -1,13 +1,17 @@
#!/bin/sh
set -e
+gpg --batch --import *.asc
echo "Checking commit signature..."
status=$(git log -1 --format="%G?" HEAD)
case "$status" in
G|U) ;; # signed (trusted or not)
- *)
+ *)
echo "ERROR: commit is not properly signed (status: $status)"
exit 1
;;
esac
+
+echo "The commit is signed"
+git log -1 --show-signature
Why this scored 15/100
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