diff --git a/compos/src/compsvc.rs b/compos/src/compsvc.rs
index 5a2c3ca..28bf5d9 100644
--- a/compos/src/compsvc.rs
+++ b/compos/src/compsvc.rs
@@ -28,6 +28,7 @@
 
 use crate::compilation::{compile_cmd, odrefresh, CompilerOutput, OdrefreshContext};
 use crate::compos_key_service::{CompOsKeyService, Signer};
+use crate::dice::Dice;
 use crate::fsverity;
 use authfs_aidl_interface::aidl::com::android::virt::fs::IAuthFsService::IAuthFsService;
 use compos_aidl_interface::aidl::com::android::compos::{
@@ -79,6 +80,11 @@
             Ok(self.key_service.new_signer(key))
         }
     }
+
+    fn get_boot_certificate_chain(&self) -> Result<Vec<u8>> {
+        let dice = Dice::new()?;
+        dice.get_boot_certificate_chain()
+    }
 }
 
 impl Interface for CompOsService {}
@@ -164,6 +170,10 @@
             true
         })
     }
+
+    fn getBootCertificateChain(&self) -> BinderResult<Vec<u8>> {
+        to_binder_result(self.get_boot_certificate_chain())
+    }
 }
 
 fn get_authfs_service() -> BinderResult<Strong<dyn IAuthFsService>> {