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-rw-r--r--package/libs/wolfssl/Makefile2
-rw-r--r--package/libs/wolfssl/patches/200-ecc-rng.patch50
2 files changed, 51 insertions, 1 deletions
diff --git a/package/libs/wolfssl/Makefile b/package/libs/wolfssl/Makefile
index 53cd932d1f..030a0224f5 100644
--- a/package/libs/wolfssl/Makefile
+++ b/package/libs/wolfssl/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=wolfssl
PKG_VERSION:=4.7.0-stable
-PKG_RELEASE:=1
+PKG_RELEASE:=2
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
PKG_SOURCE_URL:=https://github.com/wolfSSL/wolfssl/archive/v$(PKG_VERSION)
diff --git a/package/libs/wolfssl/patches/200-ecc-rng.patch b/package/libs/wolfssl/patches/200-ecc-rng.patch
new file mode 100644
index 0000000000..2d33c06209
--- /dev/null
+++ b/package/libs/wolfssl/patches/200-ecc-rng.patch
@@ -0,0 +1,50 @@
+Since commit 6467de5a8840 ("Randomize z ordinates in scalar
+mult when timing resistant") wolfssl requires a RNG for an EC
+key when the hardened built option is selected.
+
+wc_ecc_set_rng is only available when built hardened, so there
+is no safe way to install the RNG to the key regardless whether
+or not wolfssl is compiled hardened.
+
+Always export wc_ecc_set_rng so tools such as hostapd can install
+RNG regardless of the built settings for wolfssl.
+
+--- a/wolfcrypt/src/ecc.c
++++ b/wolfcrypt/src/ecc.c
+@@ -10293,21 +10293,21 @@ void wc_ecc_fp_free(void)
+
+ #endif /* FP_ECC */
+
+-#ifdef ECC_TIMING_RESISTANT
+ int wc_ecc_set_rng(ecc_key* key, WC_RNG* rng)
+ {
+ int err = 0;
+
++#ifdef ECC_TIMING_RESISTANT
+ if (key == NULL) {
+ err = BAD_FUNC_ARG;
+ }
+ else {
+ key->rng = rng;
+ }
++#endif
+
+ return err;
+ }
+-#endif
+
+ #ifdef HAVE_ECC_ENCRYPT
+
+--- a/wolfssl/wolfcrypt/ecc.h
++++ b/wolfssl/wolfcrypt/ecc.h
+@@ -584,10 +584,8 @@ WOLFSSL_API
+ void wc_ecc_fp_free(void);
+ WOLFSSL_LOCAL
+ void wc_ecc_fp_init(void);
+-#ifdef ECC_TIMING_RESISTANT
+ WOLFSSL_API
+ int wc_ecc_set_rng(ecc_key* key, WC_RNG* rng);
+-#endif
+
+ WOLFSSL_API
+ int wc_ecc_set_curve(ecc_key* key, int keysize, int curve_id);