/*
 * OMEMO Plugin for Psi
 * Copyright (C) 2018 Vyacheslav Karpukhin
 *
 * This program 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 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 */

#include "crypto.h"

namespace psiomemo {
  void Crypto::initCryptoProvider(signal_context *ctx) {
    doInit();

    signal_crypto_provider crypto_provider = {
        /*.random_func =*/ random,
        /*.hmac_sha256_init_func =*/ hmac_sha256_init,
        /*.hmac_sha256_update_func =*/ hmac_sha256_update,
        /*.hmac_sha256_final_func =*/ hmac_sha256_final,
        /*.hmac_sha256_cleanup_func =*/ hmac_sha256_cleanup,
        /*.sha512_digest_init_func =*/ sha512_digest_init,
        /*.sha512_digest_update_func =*/ sha512_digest_update,
        /*.sha512_digest_final_func =*/ sha512_digest_final,
        /*.sha512_digest_cleanup_func =*/ sha512_digest_cleanup,
        /*.encrypt_func =*/ aes_encrypt,
        /*.decrypt_func =*/ aes_decrypt,
        /*.user_data =*/ nullptr
    };

    signal_context_set_crypto_provider(ctx, &crypto_provider);
  }

  QByteArray toQByteArray(const uint8_t *key, size_t key_len) {
    return QByteArray(reinterpret_cast<const char *>(key), static_cast<int>(key_len));
  }
}