xref: /openbmc/linux/lib/crypto/curve25519.c (revision 61bf3293)
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 
16 bool curve25519_selftest(void);
17 
18 static int __init mod_init(void)
19 {
20 	if (!IS_ENABLED(CONFIG_CRYPTO_MANAGER_DISABLE_TESTS) &&
21 	    WARN_ON(!curve25519_selftest()))
22 		return -ENODEV;
23 	return 0;
24 }
25 
26 static void __exit mod_exit(void)
27 {
28 }
29 
30 module_init(mod_init);
31 module_exit(mod_exit);
32 
33 MODULE_LICENSE("GPL v2");
34 MODULE_DESCRIPTION("Curve25519 scalar multiplication");
35 MODULE_AUTHOR("Jason A. Donenfeld <Jason@zx2c4.com>");
36