gnsrecord_crypto.h

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/*
     This file is part of GNUnet.
     Copyright (C) 2009-2013, 2018 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
     by the Free Software Foundation, either version 3 of the License,
     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
     Affero General Public License for more details.
 
     You should have received a copy of the GNU Affero General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
     SPDX-License-Identifier: AGPL3.0-or-later
 */
 
#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_constants.h"
#include "gnunet_signatures.h"
#include "gnunet_arm_service.h"
#include "gnunet_gnsrecord_lib.h"
 
struct GNRBlockPS
{
  struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
 
  struct GNUNET_TIME_AbsoluteNBO expiration_time;
 
  /* followed by encrypted data */
};
 
 
void
GNR_derive_block_aes_key (unsigned char *ctr,
                      unsigned char *key,
                      const char *label,
                      uint64_t exp,
                      const struct GNUNET_CRYPTO_EcdsaPublicKey *pub);
 
 
void
GNR_derive_block_xsalsa_key (unsigned char *nonce,
                         unsigned char *key,
                         const char *label,
                         uint64_t exp,
                         const struct GNUNET_CRYPTO_EddsaPublicKey *pub);
 
struct GNUNET_GNSRECORD_SignaturePurposePS *
GNR_create_signature_message (const struct GNUNET_GNSRECORD_PowP *pow);