Make verity setup reproducible

libcitadel/src/verity.rs

@@ -28,7 +28,13 @@ impl Verity {
         let image = image.as_ref();
         let output = output.as_ref();
         // Don't use absolute path to veritysetup so that the build will correctly find the version from cryptsetup-native
-        let output = cmd_with_output!("veritysetup", "format {} {}", image.display(), output.display())?;
+        let output = cmd_with_output!(
+            "veritysetup",
+            "format --uuid=11298b29-ee7b-41b9-bf5e-2c4686d52c9e --salt=94dc0d754adb61f0221d2078713ffe1a0af0914d8f653fd61cd4f3362111720f {} {}",
+            image.display(),
+            output.display()
+            )?;
+
         Ok(VerityOutput::parse(&output))
     }
 
@@ -51,8 +57,10 @@ impl Verity {
             bail!("actual file size ({}) does not match expected size ({})", len, expected);
         }
         let vout = LoopDevice::with_loop(self.path(), Some(4096), true, |loopdev| {
-            let output = cmd_with_output!(Self::VERITYSETUP, "--data-blocks={} --salt={} format {} {}",
-                nblocks, salt, loopdev, verityfile.display())?;
+            let output = cmd_with_output!(Self::VERITYSETUP, "--data-blocks={} --uuid=11298b29-ee7b-41b9-bf5e-2c4686d52c9e
+            --salt=94dc0d754adb61f0221d2078713ffe1a0af0914d8f653fd61cd4f3362111720f format {} {}",
+            nblocks, loopdev, verityfile.display())?;
+
             Ok(VerityOutput::parse(&output))
         })?;
         let mut input = File::open(&verityfile)