1 files changed, 139 insertions, 4 deletions

diff --git a/src/include/taler_signatures.h b/src/include/taler_signatures.h
index 8c142f61f..238a915c1 100644
--- a/src/include/taler_signatures.h
+++ b/src/include/taler_signatures.h
@@ -13,18 +13,25 @@
   You should have received a copy of the GNU General Public License along with
   TALER; see the file COPYING.  If not, If not, see <http://www.gnu.org/licenses/>
 */
-
 /**
- * @file taler-mint-keyup.c
- * @brief Update the mint's keys for coins and signatures,
- *        using the mint's offline master key.
+ * @file taler_signatures.h
+ * @brief message formats and signature constants used to define
+ *        the binary formats of signatures in Taler
  * @author Florian Dold
  * @author Benedikt Mueller
+ *
+ * This file should define the constants and C structs that one
+ * needs to know to implement Taler clients (wallets or merchants)
+ * that need to produce or verify Taler signatures.
  */
 
 #ifndef TALER_SIGNATURES_H
 #define TALER_SIGNATURES_H
 
+#include <gnunet/gnunet_util_lib.h>
+#include "taler_rsa.h"
+
+
 /**
  * Purpose for signing public keys signed
  * by the mint master key.
@@ -102,5 +109,133 @@
  */
 #define TALER_SIGNATURE_INCREMENTAL_DEPOSIT 202
 
+
+
+GNUNET_NETWORK_STRUCT_BEGIN
+
+
+/**
+ * Request to withdraw coins from a reserve.
+ */
+struct TALER_WithdrawRequest
+{
+  /**
+   * Signature over the rest of the message
+   * by the withdraw public key.
+   */
+  struct GNUNET_CRYPTO_EddsaSignature sig;
+
+  /**
+   * Purpose must be #TALER_SIGNATURE_WITHDRAW.
+   */
+  struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
+
+  /**
+   * Reserve public key.
+   */
+  struct GNUNET_CRYPTO_EddsaPublicKey reserve_pub;
+
+  /**
+   * Denomination public key for the coin that is withdrawn.
+   * FIXME: change to the hash of the public key (so this
+   * is fixed-size).
+   */
+  struct TALER_RSA_PublicKeyBinaryEncoded denomination_pub;
+
+  /**
+   * Purpose containing coin's blinded public key.
+   *
+   * FIXME: this should be explicitly a variable-size field with the
+   * (blinded) message to be signed by the Mint.
+   */
+  struct TALER_RSA_BlindedSignaturePurpose coin_envelope;
+};
+
+
+
+/**
+ * FIXME
+ */
+struct TALER_MINT_SignKeyIssue
+{
+  struct GNUNET_CRYPTO_EddsaSignature signature;
+  struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
+  struct GNUNET_CRYPTO_EddsaPublicKey master_pub;
+  struct GNUNET_TIME_AbsoluteNBO start;
+  struct GNUNET_TIME_AbsoluteNBO expire;
+  struct GNUNET_CRYPTO_EddsaPublicKey signkey_pub;
+};
+
+
+/**
+ * FIXME
+ */
+struct TALER_MINT_DenomKeyIssue
+{
+  struct GNUNET_CRYPTO_EddsaSignature signature;
+  struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
+  struct GNUNET_CRYPTO_EddsaPublicKey master;
+  struct GNUNET_TIME_AbsoluteNBO start;
+  struct GNUNET_TIME_AbsoluteNBO expire_withdraw;
+  struct GNUNET_TIME_AbsoluteNBO expire_spend;
+  struct TALER_RSA_PublicKeyBinaryEncoded denom_pub;
+  struct TALER_AmountNBO value;
+  struct TALER_AmountNBO fee_withdraw;
+  struct TALER_AmountNBO fee_deposit;
+  struct TALER_AmountNBO fee_refresh;
+};
+
+
+/**
+ * FIXME
+ */
+struct RefreshMeltSignatureBody
+{
+  struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
+  struct GNUNET_HashCode melt_hash;
+};
+
+/**
+ * FIXME
+ */
+struct RefreshCommitSignatureBody
+{
+  struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
+  struct GNUNET_HashCode commit_hash;
+};
+
+
+/**
+ * FIXME
+ */
+struct RefreshCommitResponseSignatureBody
+{
+  struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
+  uint16_t noreveal_index;
+};
+
+
+/**
+ * FIXME
+ */
+struct RefreshMeltResponseSignatureBody
+{
+  struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
+  struct GNUNET_HashCode melt_response_hash;
+};
+
+
+/**
+ * FIXME
+ */
+struct RefreshMeltConfirmSignRequestBody
+{
+  struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
+  struct GNUNET_CRYPTO_EddsaPublicKey session_pub;
+};
+
+
+GNUNET_NETWORK_STRUCT_END
+
 #endif