LXR linux/lib/crypto/curve25519.c

   1// SPDX-License-Identifier: GPL-2.0 OR MIT
   2/*
   3 * Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
   4 *
   5 * This is an implementation of the Curve25519 ECDH algorithm, using either
   6 * a 32-bit implementation or a 64-bit implementation with 128-bit integers,
   7 * depending on what is supported by the target compiler.
   8 *
   9 * Information: https://cr.yp.to/ecdh.html
  10 */
  11
  12#include <crypto/curve25519.h>
  13#include <linux/module.h>
  14#include <linux/init.h>
  15
  16static int __init curve25519_init(void)
  17{
  18        if (!IS_ENABLED(CONFIG_CRYPTO_MANAGER_DISABLE_TESTS) &&
  19            WARN_ON(!curve25519_selftest()))
  20                return -ENODEV;
  21        return 0;
  22}
  23
  24static void __exit curve25519_exit(void)
  25{
  26}
  27
  28module_init(curve25519_init);
  29module_exit(curve25519_exit);
  30
  31MODULE_LICENSE("GPL v2");
  32MODULE_DESCRIPTION("Curve25519 scalar multiplication");
  33MODULE_AUTHOR("Jason A. Donenfeld <Jason@zx2c4.com>");
  34