- work on secretsharing

1 files changed, 132 insertions, 0 deletions

diff --git a/src/secretsharing/secretsharing.h b/src/secretsharing/secretsharing.h
new file mode 100644
index 000000000..7025fdfea
--- /dev/null
+++ b/src/secretsharing/secretsharing.h
@@ -0,0 +1,132 @@
+/*
+     This file is part of GNUnet.
+     (C) 2013 Christian Grothoff (and other contributing authors)
+
+     GNUnet is free software; you can redistribute it and/or modify
+     it under the terms of the GNU General Public License as published
+     by the Free Software Foundation; either version 3, or (at your
+     option) any later version.
+
+     GNUnet is distributed in the hope that it will be useful, but
+     WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+     General Public License for more details.
+
+     You should have received a copy of the GNU General Public License
+     along with GNUnet; see the file COPYING.  If not, write to the
+     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+     Boston, MA 02111-1307, USA.
+*/
+
+/**
+ * @author Florian Dold
+ * @file secretsharing/secretsharing.h
+ * @brief messages used for the secretsharing api
+ */
+#ifndef SECRETSHARING_H
+#define SECRETSHARING_H
+
+#include "platform.h"
+#include "gnunet_common.h"
+#include "gnunet_time_lib.h"
+#include "gnunet_secretsharing_service.h"
+
+
+GNUNET_NETWORK_STRUCT_BEGIN
+
+
+struct GNUNET_SECRETSHARING_CreateMessage
+{
+  /**
+   * Type: GNUNET_MESSAGE_TYPE_SECRETSHARING_CLIENT_GENERATE
+   */
+  struct GNUNET_MessageHeader header;
+
+  /**
+   * Session ID, will be used for consensus.
+   */
+  struct GNUNET_HashCode session_id GNUNET_PACKED;
+
+  /**
+   * Deadline for the establishment of the crypto system.
+   */
+  struct GNUNET_TIME_AbsoluteNBO deadline;
+
+  /**
+   * Mininum number of cooperating peers to decrypt a 
+   * value.
+   */
+  uint16_t threshold GNUNET_PACKED;
+
+  /**
+   * Number of peers at the end of this message.
+   */
+  uint16_t num_peers GNUNET_PACKED;
+
+  /* struct GNUNET_PeerIdentity[num_peers]; */
+};
+
+
+struct GNUNET_SECRETSHARING_SecretEstablishedMessage
+{
+  /**
+   * Type: GNUNET_MESSAGE_TYPE_SECRETSHARING_CLIENT_ESTABLISHED
+   */
+  struct GNUNET_MessageHeader header;
+
+  /**
+   * Secret share in network byte order.
+   */
+  unsigned char secret[GNUNET_SECRETSHARING_KEY_BITS / 8];
+
+  /**
+   * Number of peers at the end of this message.
+   * Includes peers that are part of the established
+   * threshold crypto system.
+   */
+  uint16_t num_secret_peers GNUNET_PACKED;
+
+  /* struct GNUNET_PeerIdentity[num_peers]; */
+};
+
+
+struct GNUNET_SECRETSHARING_DecryptMessage
+{
+  /**
+   * Type: GNUNET_MESSAGE_TYPE_SECRETSHARING_CLIENT_DECRYPT
+   */
+  struct GNUNET_MessageHeader header;
+
+  /**
+   * Ciphertext to request decryption for.
+   */
+  unsigned char ciphertext[GNUNET_SECRETSHARING_KEY_BITS / 8];
+
+  /**
+   * Number of peers at the end of this message.
+   * Includes peers that are part of the established
+   * threshold crypto system.
+   */
+  uint16_t num_secret_peers GNUNET_PACKED;
+
+  /* struct GNUNET_PeerIdentity[num_peers]; */
+};
+
+
+struct GNUNET_SECRETSHARING_DecryptDoneMessage
+{
+  /**
+   * Type: GNUNET_MESSAGE_TYPE_SECRETSHARING_CLIENT_DECRYPT_DONE
+   */
+  struct GNUNET_MessageHeader header;
+
+  /**
+   * Ciphertext to request decryption for.
+   */
+  unsigned char plaintext[GNUNET_SECRETSHARING_KEY_BITS / 8];
+};
+
+
+GNUNET_NETWORK_STRUCT_END
+
+#endif