Salt inbound payment ExpandedKey

Leftover feedback from #1177

diff --git a/lightning/src/ln/channelmanager.rs b/lightning/src/ln/channelmanager.rs
index 1bbd4a1bac755ceb830221f303787d280e1b5aff..612d2df0c99103ed981b52ec2a5fda2a9dd336b8 100644 (file)
--- a/lightning/src/ln/channelmanager.rs
+++ b/lightning/src/ln/channelmanager.rs
@@ -113,7 +113,7 @@ mod inbound_payment {
 
        impl ExpandedKey {
                pub(super) fn new(key_material: &KeyMaterial) -> ExpandedKey {
-                       hkdf_extract_expand(&vec![0], &key_material)
+                       hkdf_extract_expand(b"LDK Inbound Payment Key Expansion", &key_material)
                }
        }