curve25519.c 897 B

1234567891011121314151617181920212223242526272829303132333435
  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. #include <crypto/curve25519.h>
  12. #include <linux/module.h>
  13. #include <linux/init.h>
  14. bool curve25519_selftest(void);
  15. static int __init mod_init(void)
  16. {
  17. if (!IS_ENABLED(CONFIG_CRYPTO_MANAGER_DISABLE_TESTS) &&
  18. WARN_ON(!curve25519_selftest()))
  19. return -ENODEV;
  20. return 0;
  21. }
  22. static void __exit mod_exit(void)
  23. {
  24. }
  25. module_init(mod_init);
  26. module_exit(mod_exit);
  27. MODULE_LICENSE("GPL v2");
  28. MODULE_DESCRIPTION("Curve25519 scalar multiplication");
  29. MODULE_AUTHOR("Jason A. Donenfeld <Jason@zx2c4.com>");