1 files changed, 34 insertions, 1 deletions

diff --git a/src/lib/util/crypto_ecc_setup.c b/src/lib/util/crypto_ecc_setup.c
index e07d1e448..2ee9ed931 100644
--- a/src/lib/util/crypto_ecc_setup.c
+++ b/src/lib/util/crypto_ecc_setup.c
@@ -1,6 +1,6 @@
 /*
      This file is part of GNUnet.
-     Copyright (C) 2012, 2013, 2015, 2020 GNUnet e.V.
+     Copyright (C) 2012, 2013, 2015, 2020, 2023 GNUnet e.V.
 
      GNUnet is free software: you can redistribute it and/or modify it
      under the terms of the GNU Affero General Public License as published
@@ -289,6 +289,39 @@ GNUNET_CRYPTO_get_peer_identity (const struct GNUNET_CONFIGURATION_Handle *cfg,
 }
 
 
+enum GNUNET_GenericReturnValue
+GNUNET_CRYPTO_sign_by_peer_identity (const struct
+                                     GNUNET_CONFIGURATION_Handle *cfg,
+                                     const struct
+                                     GNUNET_CRYPTO_EccSignaturePurpose *purpose,
+                                     struct GNUNET_CRYPTO_EddsaSignature *sig)
+{
+  struct GNUNET_CRYPTO_EddsaPrivateKey *priv;
+
+  if (NULL == (priv = GNUNET_CRYPTO_eddsa_key_create_from_configuration (cfg)))
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                _ ("Could not load peer's private key\n"));
+    return GNUNET_SYSERR;
+  }
+
+  return GNUNET_CRYPTO_eddsa_sign_ (priv, purpose, sig);
+}
+
+
+enum GNUNET_GenericReturnValue
+GNUNET_CRYPTO_verify_peer_identity (uint32_t purpose,
+                                    const struct
+                                    GNUNET_CRYPTO_EccSignaturePurpose *validate,
+                                    const struct
+                                    GNUNET_CRYPTO_EddsaSignature *sig,
+                                    const struct GNUNET_PeerIdentity *identity)
+{
+  return GNUNET_CRYPTO_eddsa_verify_ (purpose, validate, sig,
+                                      &identity->public_key);
+}
+
+
 /**
  * Setup a key file for a peer given the name of the
  * configuration file (!).  This function is used so that