From 43f8ab6b48d6a51988c85fdc1bcd4f9d4f1a7a01 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Sat, 5 Mar 2022 12:04:13 +0100
Subject: add signing/verifying functions for global fees

---
 src/include/taler_crypto_lib.h | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

(limited to 'src/include/taler_crypto_lib.h')

diff --git a/src/include/taler_crypto_lib.h b/src/include/taler_crypto_lib.h
index d81f5a71..1beada69 100644
--- a/src/include/taler_crypto_lib.h
+++ b/src/include/taler_crypto_lib.h
@@ -3270,6 +3270,43 @@ TALER_exchange_offline_wire_fee_verify (
   const struct TALER_MasterSignatureP *master_sig);
 
 
+/**
+ * Create global fees signature.
+ *
+ * @param start_time when do the fees start to apply
+ * @param end_time when do the fees start to apply
+ * @param fees the global fees
+ * @param master_priv private key to sign with
+ * @param[out] master_sig where to write the signature
+ */
+void
+TALER_exchange_offline_global_fee_sign (
+  struct GNUNET_TIME_Timestamp start_time,
+  struct GNUNET_TIME_Timestamp end_time,
+  const struct TALER_GlobalFeeSet *fees,
+  const struct TALER_MasterPrivateKeyP *master_priv,
+  struct TALER_MasterSignatureP *master_sig);
+
+
+/**
+ * Verify global fees signature.
+ *
+ * @param start_time when do the fees start to apply
+ * @param end_time when do the fees start to apply
+ * @param fees the global fees
+ * @param master_pub public key to verify against
+ * @param master_sig the signature the signature
+ * @return #GNUNET_OK if the signature is valid
+ */
+enum GNUNET_GenericReturnValue
+TALER_exchange_offline_global_fee_verify (
+  struct GNUNET_TIME_Timestamp start_time,
+  struct GNUNET_TIME_Timestamp end_time,
+  const struct TALER_GlobalFeeSet *fees,
+  const struct TALER_MasterPublicKeyP *master_pub,
+  const struct TALER_MasterSignatureP *master_sig);
+
+
 /**
  * Create wire account addition signature.
  *
-- 
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