xref: /openbmc/linux/lib/crypto/curve25519.c (revision e40573a4)
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 static 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 
24 static void __exit curve25519_exit(void)
25 {
26 }
27 
28 module_init(curve25519_init);
29 module_exit(curve25519_exit);
30 
31 MODULE_LICENSE("GPL v2");
32 MODULE_DESCRIPTION("Curve25519 scalar multiplication");
33 MODULE_AUTHOR("Jason A. Donenfeld <Jason@zx2c4.com>");
34