1 files changed, 12 insertions, 0 deletions
diff --git a/src/include/taler_crypto_lib.h b/src/include/taler_crypto_lib.h
index 3b0c8750c..800191cd4 100644
--- a/src/include/taler_crypto_lib.h
+++ b/src/include/taler_crypto_lib.h
@@ -698,6 +698,18 @@ TALER_denom_pub_cmp (const struct TALER_DenominationPublicKey *denom1,
 
 
 /**
+ * Compare two denomination signatures.
+ *
+ * @param sig1 first signature
+ * @param sig2 second signature
+ * @return 0 if the keys are equal, otherwise -1 or 1
+ */
+int
+TALER_denom_sig_cmp (const struct TALER_DenominationSignature *sig1,
+                     const struct TALER_DenominationSignature *sig2);
+
+
+/**
  * Obtain denomination public key from a denomination private key.
  *
  * @param denom_priv private key to convert