diff --git a/sig/Cargo.toml b/sig/Cargo.toml
new file mode 100644
index 0000000..f196053
--- /dev/null
+++ b/sig/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "sig"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
diff --git a/sig/src/main.rs b/sig/src/main.rs
new file mode 100644
index 0000000..e7a11a9
--- /dev/null
+++ b/sig/src/main.rs
@@ -0,0 +1,3 @@
+fn main() {
+    println!("Hello, world!");
+}
diff --git a/sig/test/cc2-01.03.02.36-ee76546c665bb272b43798813f60f8dd-release-abroad.zip b/sig/test/cc2-01.03.02.36-ee76546c665bb272b43798813f60f8dd-release-abroad.zip
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diff --git a/sig/test/cc2-01.03.02.36-ee76546c665bb272b43798813f60f8dd-release-abroad.zip.sig b/sig/test/cc2-01.03.02.36-ee76546c665bb272b43798813f60f8dd-release-abroad.zip.sig
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diff --git a/sig/test/cc2_eeb001_01.03.02.36_20260326171745.swu b/sig/test/cc2_eeb001_01.03.02.36_20260326171745.swu
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diff --git a/sig/test/cc2_eeb001_01.03.02.36_20260326171745.swu.sig b/sig/test/cc2_eeb001_01.03.02.36_20260326171745.swu.sig
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diff --git a/sig/test/ota-package-list.json b/sig/test/ota-package-list.json
new file mode 100644
index 0000000..c1a03e5
--- /dev/null
+++ b/sig/test/ota-package-list.json
@@ -0,0 +1 @@
+{"packages": [{"file": "cc2_eeb001_01.03.02.36_20260326171745.swu.sig", "hash": "46aa459b61340a84ff52e2865347d42a568351919441fb9db6e185424220b192"}], "version": "01.03.02.36"}
\ No newline at end of file
diff --git a/sig/test/ota-package-list.json.sig b/sig/test/ota-package-list.json.sig
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