-deduplicate string constant

1 files changed, 2 insertions, 1 deletions

diff --git a/src/util/crypto_ecc.c b/src/util/crypto_ecc.c
index 3e9c17c8e..4bba395b3 100644
--- a/src/util/crypto_ecc.c
+++ b/src/util/crypto_ecc.c
@@ -1028,9 +1028,10 @@ derive_h (const struct GNUNET_CRYPTO_EcdsaPublicKey *pub,
 {
   gcry_mpi_t h;
   struct GNUNET_HashCode hc;
+  static const char *const salt = "key-derivation";
 
   GNUNET_CRYPTO_kdf (&hc, sizeof (hc),
-                     "key-derivation", strlen ("key-derivation"),
+                     salt, strlen (salt),
                      pub, sizeof (*pub),
                      label, strlen (label),
                      context, strlen (context),