mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-21 06:33:41 +00:00
d540725871
Without this patch, the chacha block counter is not incremented on neon rounds, resulting in incorrect calculations and corrupt packets. This also switches to using `--no-numbered --zero-commit` so that future diffs are smaller. Reported-by: Hans Geiblinger <cybrnook2002@yahoo.com> Reviewed-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com> Cc: David Bauer <mail@david-bauer.net> Cc: Petr Štetiar <ynezz@true.cz> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
103 lines
4.0 KiB
Diff
103 lines
4.0 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
|
From: Herbert Xu <herbert@gondor.apana.org.au>
|
|
Date: Wed, 8 Jan 2020 12:37:35 +0800
|
|
Subject: [PATCH] crypto: curve25519 - Fix selftest build error
|
|
|
|
commit a8bdf2c42ee4d1ee42af1f3601f85de94e70a421 upstream.
|
|
|
|
If CRYPTO_CURVE25519 is y, CRYPTO_LIB_CURVE25519_GENERIC will be
|
|
y, but CRYPTO_LIB_CURVE25519 may be set to m, this causes build
|
|
errors:
|
|
|
|
lib/crypto/curve25519-selftest.o: In function `curve25519':
|
|
curve25519-selftest.c:(.text.unlikely+0xc): undefined reference to `curve25519_arch'
|
|
lib/crypto/curve25519-selftest.o: In function `curve25519_selftest':
|
|
curve25519-selftest.c:(.init.text+0x17e): undefined reference to `curve25519_base_arch'
|
|
|
|
This is because the curve25519 self-test code is being controlled
|
|
by the GENERIC option rather than the overall CURVE25519 option,
|
|
as is the case with blake2s. To recap, the GENERIC and ARCH options
|
|
for CURVE25519 are internal only and selected by users such as
|
|
the Crypto API, or the externally visible CURVE25519 option which
|
|
in turn is selected by wireguard. The self-test is specific to the
|
|
the external CURVE25519 option and should not be enabled by the
|
|
Crypto API.
|
|
|
|
This patch fixes this by splitting the GENERIC module from the
|
|
CURVE25519 module with the latter now containing just the self-test.
|
|
|
|
Reported-by: Hulk Robot <hulkci@huawei.com>
|
|
Fixes: aa127963f1ca ("crypto: lib/curve25519 - re-add selftests")
|
|
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
|
|
Reviewed-by: Jason A. Donenfeld <Jason@zx2c4.com>
|
|
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
|
|
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
|
|
---
|
|
lib/crypto/Makefile | 9 ++++++---
|
|
lib/crypto/curve25519-generic.c | 24 ++++++++++++++++++++++++
|
|
lib/crypto/curve25519.c | 7 -------
|
|
3 files changed, 30 insertions(+), 10 deletions(-)
|
|
create mode 100644 lib/crypto/curve25519-generic.c
|
|
|
|
--- a/lib/crypto/Makefile
|
|
+++ b/lib/crypto/Makefile
|
|
@@ -19,9 +19,12 @@ libblake2s-y += blake2s.o
|
|
obj-$(CONFIG_CRYPTO_LIB_CHACHA20POLY1305) += libchacha20poly1305.o
|
|
libchacha20poly1305-y += chacha20poly1305.o
|
|
|
|
-obj-$(CONFIG_CRYPTO_LIB_CURVE25519_GENERIC) += libcurve25519.o
|
|
-libcurve25519-y := curve25519-fiat32.o
|
|
-libcurve25519-$(CONFIG_ARCH_SUPPORTS_INT128) := curve25519-hacl64.o
|
|
+obj-$(CONFIG_CRYPTO_LIB_CURVE25519_GENERIC) += libcurve25519-generic.o
|
|
+libcurve25519-generic-y := curve25519-fiat32.o
|
|
+libcurve25519-generic-$(CONFIG_ARCH_SUPPORTS_INT128) := curve25519-hacl64.o
|
|
+libcurve25519-generic-y += curve25519-generic.o
|
|
+
|
|
+obj-$(CONFIG_CRYPTO_LIB_CURVE25519) += libcurve25519.o
|
|
libcurve25519-y += curve25519.o
|
|
|
|
obj-$(CONFIG_CRYPTO_LIB_DES) += libdes.o
|
|
--- /dev/null
|
|
+++ b/lib/crypto/curve25519-generic.c
|
|
@@ -0,0 +1,24 @@
|
|
+// 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/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>");
|
|
--- a/lib/crypto/curve25519.c
|
|
+++ b/lib/crypto/curve25519.c
|
|
@@ -15,13 +15,6 @@
|
|
|
|
bool curve25519_selftest(void);
|
|
|
|
-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);
|
|
-
|
|
static int __init mod_init(void)
|
|
{
|
|
if (!IS_ENABLED(CONFIG_CRYPTO_MANAGER_DISABLE_TESTS) &&
|