From: Xu Wang <xwang1498@gmx.com>
Date: Fri, 27 May 2022 22:21:43 +0000 (+0000)
Subject: kernel: crypto: add kmod-crypto-chacha20poly1305
X-Git-Tag: v22.03.0-rc5~83
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=3cfe050c4a683ecef25d6ded05b1d240921a121a;p=openwrt%2Fopenwrt.git

kernel: crypto: add kmod-crypto-chacha20poly1305

Needed by strongSwan IPsec VPN for strongswan-mod-chapoly. Not to be confused with
kmod-crypto-LIB-chacha20poly1305, which is an 8-byte nonce version used
by wireguard.

Signed-off-by: Xu Wang <xwang1498@gmx.com>
(cherry picked from commit 197b672c40613a53a78a568a1957f2c23c343c1f)
---

diff --git a/package/kernel/linux/modules/crypto.mk b/package/kernel/linux/modules/crypto.mk
index 445b2e353b..2b0388aa10 100644
--- a/package/kernel/linux/modules/crypto.mk
+++ b/package/kernel/linux/modules/crypto.mk
@@ -101,6 +101,18 @@ endef
 $(eval $(call KernelPackage,crypto-ccm))
 
 
+define KernelPackage/crypto-chacha20poly1305
+  TITLE:=ChaCha20-Poly1305 AEAD support, RFC7539 (used by strongSwan IPsec VPN)
+  DEPENDS:=+kmod-crypto-aead +kmod-crypto-manager
+  KCONFIG:=CONFIG_CRYPTO_CHACHA20POLY1305
+  FILES:=$(LINUX_DIR)/crypto/chacha20poly1305.ko
+  AUTOLOAD:=$(call AutoLoad,09,chacha20poly1305)
+  $(call AddDepends/crypto)
+endef
+
+$(eval $(call KernelPackage,crypto-chacha20poly1305))
+
+
 define KernelPackage/crypto-cmac
   TITLE:=Support for Cipher-based Message Authentication Code (CMAC)
   DEPENDS:=+kmod-crypto-hash