[taler-exchange] 04/130: -fixing more FTBFS

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grothoff pushed a commit to branch master
in repository exchange.

commit 42bdb5aa6ea955d46a1fe5f8fa20e49e2efd3cb5
Author: Christian Grothoff <christian@grothoff.org>
AuthorDate: Fri Oct 22 23:15:04 2021 +0200

    -fixing more FTBFS
---
 src/include/taler_crypto_lib.h       |  3 ++-
 src/include/taler_signatures.h       | 22 +++++++++++++++++++-
 src/util/crypto_helper_denom.c       | 39 ++++++++++++++++++++----------------
 src/util/crypto_wire.c               | 28 ++++----------------------
 src/util/taler-exchange-secmod-rsa.h |  6 +++---
 5 files changed, 52 insertions(+), 46 deletions(-)

diff --git a/src/include/taler_crypto_lib.h b/src/include/taler_crypto_lib.h
index 3fe51d79..185c29a1 100644
--- a/src/include/taler_crypto_lib.h
+++ b/src/include/taler_crypto_lib.h
@@ -563,7 +563,8 @@ struct TALER_DenominationPrivateKey
      * If we use #TALER_DENOMINATION_RSA in @a cipher.
      */
     struct GNUNET_CRYPTO_RsaPrivateKey *rsa_private_key;
-  };
+
+  } details;
 };
 
 
diff --git a/src/include/taler_signatures.h b/src/include/taler_signatures.h
index b7279a66..34d13380 100644
--- a/src/include/taler_signatures.h
+++ b/src/include/taler_signatures.h
@@ -1178,7 +1178,27 @@ struct TALER_MasterWireDetailsPS
   struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
 
   /**
-   * Hash over the account holder's payto:// URL and
+   * Hash over the account holder's payto:// URL.
+   */
+  struct TALER_PaytoHash h_wire_details GNUNET_PACKED;
+
+};
+
+
+/**
+ * @brief Information signed by the exchange's master
+ * key affirming the IBAN details for the exchange.
+ */
+struct TALER_MerchantWireDetailsPS
+{
+
+  /**
+   * Purpose is #TALER_SIGNATURE_MERCHANT_WIRE_DETAILS.
+   */
+  struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
+
+  /**
+   * Salted hash over the account holder's payto:// URL and
    * the salt, as done by #TALER_exchange_wire_signature_hash().
    */
   struct TALER_MerchantWireHash h_wire_details GNUNET_PACKED;
diff --git a/src/util/crypto_helper_denom.c b/src/util/crypto_helper_denom.c
index f8e77ae4..ba56a4e7 100644
--- a/src/util/crypto_helper_denom.c
+++ b/src/util/crypto_helper_denom.c
@@ -286,7 +286,7 @@ TALER_CRYPTO_helper_denom_connect (
  * @param hdr message that we received
  * @return #GNUNET_OK on success
  */
-static int
+static enum GNUNET_GenericReturnValue
 handle_mt_avail (struct TALER_CRYPTO_DenominationHelper *dh,
                  const struct GNUNET_MessageHeader *hdr)
 {
@@ -317,24 +317,26 @@ handle_mt_avail (struct TALER_CRYPTO_DenominationHelper 
*dh,
 
   {
     struct TALER_DenominationPublicKey denom_pub;
-    struct GNUNET_HashCode h_denom_pub;
+    struct TALER_DenominationHash h_denom_pub;
 
-    denom_pub.rsa_public_key
+    denom_pub.cipher = TALER_DENOMINATION_RSA;
+    denom_pub.age_mask = 0; // FIXME-Oec!
+    denom_pub.details.rsa_public_key
       = GNUNET_CRYPTO_rsa_public_key_decode (buf,
                                              ntohs (kan->pub_size));
-    if (NULL == denom_pub.rsa_public_key)
+    if (NULL == denom_pub.details.rsa_public_key)
     {
       GNUNET_break_op (0);
       return GNUNET_SYSERR;
     }
-    GNUNET_CRYPTO_rsa_public_key_hash (denom_pub.rsa_public_key,
-                                       &h_denom_pub);
+    TALER_denom_pub_hash (&denom_pub,
+                          &h_denom_pub);
     GNUNET_log (GNUNET_ERROR_TYPE_INFO,
                 "Received RSA key %s (%s)\n",
-                GNUNET_h2s (&h_denom_pub),
+                GNUNET_h2s (&h_denom_pub.hash),
                 section_name);
     if (GNUNET_OK !=
-        TALER_exchange_secmod_rsa_verify (
+        TALER_exchange_secmod_denom_verify (
           &h_denom_pub,
           section_name,
           GNUNET_TIME_absolute_ntoh (kan->anchor_time),
@@ -343,7 +345,7 @@ handle_mt_avail (struct TALER_CRYPTO_DenominationHelper *dh,
           &kan->secm_sig))
     {
       GNUNET_break_op (0);
-      GNUNET_CRYPTO_rsa_public_key_free (denom_pub.rsa_public_key);
+      GNUNET_CRYPTO_rsa_public_key_free (denom_pub.details.rsa_public_key);
       return GNUNET_SYSERR;
     }
     dh->dkc (dh->dkc_cls,
@@ -354,7 +356,7 @@ handle_mt_avail (struct TALER_CRYPTO_DenominationHelper *dh,
              &denom_pub,
              &kan->secm_pub,
              &kan->secm_sig);
-    GNUNET_CRYPTO_rsa_public_key_free (denom_pub.rsa_public_key);
+    GNUNET_CRYPTO_rsa_public_key_free (denom_pub.details.rsa_public_key);
   }
   return GNUNET_OK;
 }
@@ -367,7 +369,7 @@ handle_mt_avail (struct TALER_CRYPTO_DenominationHelper *dh,
  * @param hdr message that we received
  * @return #GNUNET_OK on success
  */
-static int
+static enum GNUNET_GenericReturnValue
 handle_mt_purge (struct TALER_CRYPTO_DenominationHelper *dh,
                  const struct GNUNET_MessageHeader *hdr)
 {
@@ -381,7 +383,7 @@ handle_mt_purge (struct TALER_CRYPTO_DenominationHelper *dh,
   }
   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
               "Received revocation of denomination key %s\n",
-              GNUNET_h2s (&pn->h_denom_pub));
+              GNUNET_h2s (&pn->h_denom_pub.hash));
   dh->dkc (dh->dkc_cls,
            NULL,
            GNUNET_TIME_UNIT_ZERO_ABS,
@@ -542,12 +544,14 @@ TALER_CRYPTO_helper_denom_poll (struct 
TALER_CRYPTO_DenominationHelper *dh)
 struct TALER_DenominationSignature
 TALER_CRYPTO_helper_denom_sign (
   struct TALER_CRYPTO_DenominationHelper *dh,
-  const struct GNUNET_HashCode *h_denom_pub,
+  const struct TALER_DenominationHash *h_denom_pub,
   const void *msg,
   size_t msg_size,
   enum TALER_ErrorCode *ec)
 {
-  struct TALER_DenominationSignature ds = { NULL };
+  struct TALER_DenominationSignature ds = {
+    .details.rsa_signature = NULL
+  };
   {
     char buf[sizeof (struct TALER_CRYPTO_SignRequest) + msg_size];
     struct TALER_CRYPTO_SignRequest *sr
@@ -647,7 +651,8 @@ TALER_CRYPTO_helper_denom_sign (
           return ds;
         }
         *ec = TALER_EC_NONE;
-        ds.rsa_signature = rsa_signature;
+        ds.cipher = TALER_DENOMINATION_RSA;
+        ds.details.rsa_signature = rsa_signature;
         return ds;
       }
     case TALER_HELPER_RSA_MT_RES_SIGN_FAILURE:
@@ -700,7 +705,7 @@ TALER_CRYPTO_helper_denom_sign (
 void
 TALER_CRYPTO_helper_denom_revoke (
   struct TALER_CRYPTO_DenominationHelper *dh,
-  const struct GNUNET_HashCode *h_denom_pub)
+  const struct TALER_DenominationHash *h_denom_pub)
 {
   struct TALER_CRYPTO_RevokeRequest rr = {
     .header.size = htons (sizeof (rr)),
@@ -729,7 +734,7 @@ TALER_CRYPTO_helper_denom_revoke (
   GNUNET_break (((size_t) ret) == sizeof (rr));
   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
               "Requested revocation of denomination key %s\n",
-              GNUNET_h2s (h_denom_pub));
+              GNUNET_h2s (&h_denom_pub->hash));
 }
 
 
diff --git a/src/util/crypto_wire.c b/src/util/crypto_wire.c
index ee3215ca..8560aaf3 100644
--- a/src/util/crypto_wire.c
+++ b/src/util/crypto_wire.c
@@ -32,7 +32,7 @@
  */
 void
 TALER_exchange_wire_signature_hash (const char *payto_uri,
-                                    struct GNUNET_HashCode *hc)
+                                    struct TALER_PaytoHash *hc)
 {
   GNUNET_assert (GNUNET_YES ==
                  GNUNET_CRYPTO_kdf (hc,
@@ -111,10 +111,8 @@ TALER_exchange_wire_signature_make (
 void
 TALER_merchant_wire_signature_hash (const char *payto_uri,
                                     const struct TALER_WireSalt *salt,
-                                    struct GNUNET_HashCode *hc)
+                                    struct TALER_MerchantWireHash *hc)
 {
-#if FIXED_7032
-  /* new logic to use once #7032 is being addressed */
   GNUNET_assert (GNUNET_YES ==
                  GNUNET_CRYPTO_kdf (hc,
                                     sizeof (*hc),
@@ -125,24 +123,6 @@ TALER_merchant_wire_signature_hash (const char *payto_uri,
                                     "merchant-wire-signature",
                                     strlen ("merchant-wire-signature"),
                                     NULL, 0));
-#else
-  /* compatibility logic to avoid protocol breakage... */
-  char *sstr;
-
-  sstr = GNUNET_STRINGS_data_to_string_alloc (salt,
-                                              sizeof (*salt));
-  GNUNET_assert (GNUNET_YES ==
-                 GNUNET_CRYPTO_kdf (hc,
-                                    sizeof (*hc),
-                                    sstr,
-                                    strlen (sstr) + 1,
-                                    payto_uri,
-                                    strlen (payto_uri) + 1,
-                                    "merchant-wire-signature",
-                                    strlen ("merchant-wire-signature"),
-                                    NULL, 0));
-  GNUNET_free (sstr);
-#endif
 }
 
 
@@ -170,7 +150,7 @@ TALER_merchant_wire_signature_check (
   const struct TALER_MerchantPublicKeyP *merch_pub,
   const struct TALER_MerchantSignatureP *merch_sig)
 {
-  struct TALER_MasterWireDetailsPS wd = {
+  struct TALER_MerchantWireDetailsPS wd = {
     .purpose.purpose = htonl (TALER_SIGNATURE_MERCHANT_WIRE_DETAILS),
     .purpose.size = htonl (sizeof (wd))
   };
@@ -200,7 +180,7 @@ TALER_merchant_wire_signature_make (
   const struct TALER_MerchantPrivateKeyP *merch_priv,
   struct TALER_MerchantSignatureP *merch_sig)
 {
-  struct TALER_MasterWireDetailsPS wd = {
+  struct TALER_MerchantWireDetailsPS wd = {
     .purpose.purpose = htonl (TALER_SIGNATURE_MERCHANT_WIRE_DETAILS),
     .purpose.size = htonl (sizeof (wd))
   };
diff --git a/src/util/taler-exchange-secmod-rsa.h 
b/src/util/taler-exchange-secmod-rsa.h
index 146b6948..cf439e26 100644
--- a/src/util/taler-exchange-secmod-rsa.h
+++ b/src/util/taler-exchange-secmod-rsa.h
@@ -102,7 +102,7 @@ struct TALER_CRYPTO_RsaKeyPurgeNotification
   /**
    * Hash of the public key of the purged RSA key.
    */
-  struct GNUNET_HashCode h_denom_pub;
+  struct TALER_DenominationHash h_denom_pub;
 
 };
 
@@ -125,7 +125,7 @@ struct TALER_CRYPTO_SignRequest
   /**
    * Hash of the public key of the RSA key to use for the signature.
    */
-  struct GNUNET_HashCode h_denom_pub;
+  struct TALER_DenominationHash h_denom_pub;
 
   /* followed by message to sign */
 };
@@ -149,7 +149,7 @@ struct TALER_CRYPTO_RevokeRequest
   /**
    * Hash of the public key of the revoked RSA key.
    */
-  struct GNUNET_HashCode h_denom_pub;
+  struct TALER_DenominationHash h_denom_pub;
 
 };
 

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