diff --git a/keystore/Signature.cpp b/keystore/Signature.cpp
index 1566df9..284f358 100644
--- a/keystore/Signature.cpp
+++ b/keystore/Signature.cpp
@@ -31,6 +31,8 @@
     return parcel->readByteVector(&sig_data_);
 }
 
+Signature::Signature(std::vector<uint8_t> signature_data) : sig_data_(std::move(signature_data)) {}
+
 }  // namespace pm
 }  // namespace content
 }  // namespace android