linux/lib/crypto/curve25519-generic.c
Eric Biggers e49a3eac92 lib/crypto: Explicitly include <linux/export.h>
Fix build warnings with W=1 that started appearing after
commit a934a57a42 ("scripts/misc-check: check missing #include
<linux/export.h> when W=1").

While at it, also sort the include lists alphabetically.  (Keep
asm/irqflags.h last, as otherwise it doesn't build on alpha.)

This handles all of lib/crypto/, but not arch/*/lib/crypto/.  The
exports in arch/*/lib/crypto/ will go away when the code is properly
integrated into lib/crypto/ as planned.

Link: https://lore.kernel.org/r/20250613184814.50173-1-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
2025-06-30 09:26:19 -07:00

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C

// SPDX-License-Identifier: GPL-2.0 OR MIT
/*
* Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
*
* This is an implementation of the Curve25519 ECDH algorithm, using either
* a 32-bit implementation or a 64-bit implementation with 128-bit integers,
* depending on what is supported by the target compiler.
*
* Information: https://cr.yp.to/ecdh.html
*/
#include <crypto/curve25519.h>
#include <linux/export.h>
#include <linux/module.h>
const u8 curve25519_null_point[CURVE25519_KEY_SIZE] __aligned(32) = { 0 };
const u8 curve25519_base_point[CURVE25519_KEY_SIZE] __aligned(32) = { 9 };
EXPORT_SYMBOL(curve25519_null_point);
EXPORT_SYMBOL(curve25519_base_point);
EXPORT_SYMBOL(curve25519_generic);
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("Curve25519 scalar multiplication");
MODULE_AUTHOR("Jason A. Donenfeld <Jason@zx2c4.com>");