mbedtls: update to 2.16.6 (#4387)

Security fixes for:
* CVE-2020-10932
* a potentially remotely exploitable buffer overread in a DTLS client
* bug in DTLS handling of new associations with the same parameters

Full release announement:
https://tls.mbed.org/tech-updates/releases/mbedtls-2.16.6-and-2.7.15-released

Cherry-pick from: openwrt/openwrt@02fcbe2.
Signed-off-by: NMagnus Kroken <mkroken@gmail.com>
Signed-off-by: NCN_SZTL <cnsztl@project-openwrt.eu.org>
Co-authored-by: NMagnus Kroken <mkroken@gmail.com>

package/libs/mbedtls/Makefile

@@ -8,16 +8,17 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=mbedtls
-PKG_VERSION:=2.16.3
-PKG_RELEASE:=2
+PKG_VERSION:=2.16.6
+PKG_RELEASE:=1
 PKG_USE_MIPS16:=0
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-gpl.tgz
 PKG_SOURCE_URL:=https://tls.mbed.org/download/
-PKG_HASH:=fd01fe4b289116df7781d05e1ef712b6c98823c5334f4a27404f13a8d066ef6a
+PKG_HASH:=80a484df42f32dbe95665cd4b18ce0dd14b6c67dfd561d36d1475802e41eb3ed
 
 PKG_BUILD_PARALLEL:=1
-PKG_LICENSE:=GPL-2.0+
+PKG_LICENSE:=GPL-2.0-or-later
+PKG_LICENSE_FILES:=gpl-2.0.txt
 PKG_CPE_ID:=cpe:/a:arm:mbed_tls
 
 PKG_CONFIG_DEPENDS:=CONFIG_LIBMBEDTLS_HAVE_SSE2

package/libs/mbedtls/patches/200-config.patch

@@ -17,7 +17,7 @@
  
  /**
   * \def MBEDTLS_CIPHER_NULL_CIPHER
-@@ -750,19 +750,19 @@
+@@ -757,19 +757,19 @@
   *
   * Comment macros to disable the curve and functions for it
   */
@@ -46,7 +46,7 @@
  
  /**
   * \def MBEDTLS_ECP_NIST_OPTIM
-@@ -864,7 +864,7 @@
+@@ -871,7 +871,7 @@
   *             See dhm.h for more details.
   *
   */
@@ -55,7 +55,7 @@
  
  /**
   * \def MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
-@@ -884,7 +884,7 @@
+@@ -891,7 +891,7 @@
   *      MBEDTLS_TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA
   *      MBEDTLS_TLS_ECDHE_PSK_WITH_RC4_128_SHA
   */
@@ -64,7 +64,7 @@
  
  /**
   * \def MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED
-@@ -909,7 +909,7 @@
+@@ -916,7 +916,7 @@
   *      MBEDTLS_TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA
   *      MBEDTLS_TLS_RSA_PSK_WITH_RC4_128_SHA
   */
@@ -73,7 +73,7 @@
  
  /**
   * \def MBEDTLS_KEY_EXCHANGE_RSA_ENABLED
-@@ -1043,7 +1043,7 @@
+@@ -1050,7 +1050,7 @@
   *      MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256
   *      MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384
   */
@@ -82,7 +82,7 @@
  
  /**
   * \def MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED
-@@ -1067,7 +1067,7 @@
+@@ -1074,7 +1074,7 @@
   *      MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256
   *      MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384
   */
@@ -91,7 +91,7 @@
  
  /**
   * \def MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED
-@@ -1171,7 +1171,7 @@
+@@ -1178,7 +1178,7 @@
   * This option is only useful if both MBEDTLS_SHA256_C and
   * MBEDTLS_SHA512_C are defined. Otherwise the available hash module is used.
   */
@@ -100,7 +100,7 @@
  
  /**
   * \def MBEDTLS_ENTROPY_NV_SEED
-@@ -1266,14 +1266,14 @@
+@@ -1273,14 +1273,14 @@
   * Uncomment this macro to disable the use of CRT in RSA.
   *
   */
@@ -117,7 +117,7 @@
  
  /**
   * \def MBEDTLS_SHA256_SMALLER
-@@ -1427,7 +1427,7 @@
+@@ -1434,7 +1434,7 @@
   *          configuration of this extension).
   *
   */
@@ -126,7 +126,7 @@
  
  /**
   * \def MBEDTLS_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO
-@@ -1602,7 +1602,7 @@
+@@ -1609,7 +1609,7 @@
   *
   * Comment this macro to disable support for SSL session tickets
   */
@@ -135,7 +135,7 @@
  
  /**
   * \def MBEDTLS_SSL_EXPORT_KEYS
-@@ -1632,7 +1632,7 @@
+@@ -1639,7 +1639,7 @@
   *
   * Comment this macro to disable support for truncated HMAC in SSL
   */
@@ -144,7 +144,7 @@
  
  /**
   * \def MBEDTLS_SSL_TRUNCATED_HMAC_COMPAT
-@@ -1691,7 +1691,7 @@
+@@ -1698,7 +1698,7 @@
   *
   * Comment this to disable run-time checking and save ROM space
   */
@@ -153,7 +153,7 @@
  
  /**
   * \def MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3
-@@ -2021,7 +2021,7 @@
+@@ -2028,7 +2028,7 @@
   *      MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256
   *      MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256
   */
@@ -162,7 +162,7 @@
  
  /**
   * \def MBEDTLS_ARIA_C
-@@ -2087,7 +2087,7 @@
+@@ -2094,7 +2094,7 @@
   * This module enables the AES-CCM ciphersuites, if other requisites are
   * enabled as well.
   */
@@ -171,7 +171,7 @@
  
  /**
   * \def MBEDTLS_CERTS_C
-@@ -2099,7 +2099,7 @@
+@@ -2106,7 +2106,7 @@
   *
   * This module is used for testing (ssl_client/server).
   */
@@ -180,7 +180,7 @@
  
  /**
   * \def MBEDTLS_CHACHA20_C
-@@ -2203,7 +2203,7 @@
+@@ -2214,7 +2214,7 @@
   * \warning   DES is considered a weak cipher and its use constitutes a
   *            security risk. We recommend considering stronger ciphers instead.
   */
@@ -189,7 +189,7 @@
  
  /**
   * \def MBEDTLS_DHM_C
-@@ -2366,7 +2366,7 @@
+@@ -2377,7 +2377,7 @@
   * This module adds support for the Hashed Message Authentication Code
   * (HMAC)-based key derivation function (HKDF).
   */
@@ -198,7 +198,7 @@
  
  /**
   * \def MBEDTLS_HMAC_DRBG_C
-@@ -2676,7 +2676,7 @@
+@@ -2687,7 +2687,7 @@
   *
   * This module enables abstraction of common (libc) functions.
   */
@@ -207,7 +207,7 @@
  
  /**
   * \def MBEDTLS_POLY1305_C
-@@ -2697,7 +2697,7 @@
+@@ -2708,7 +2708,7 @@
   * Caller:  library/md.c
   *
   */
@@ -216,7 +216,7 @@
  
  /**
   * \def MBEDTLS_RSA_C
-@@ -2804,7 +2804,7 @@
+@@ -2815,7 +2815,7 @@
   *
   * Requires: MBEDTLS_CIPHER_C
   */
@@ -225,7 +225,7 @@
  
  /**
   * \def MBEDTLS_SSL_CLI_C
-@@ -2904,7 +2904,7 @@
+@@ -2915,7 +2915,7 @@
   *
   * This module provides run-time version information.
   */
@@ -234,7 +234,7 @@
  
  /**
   * \def MBEDTLS_X509_USE_C
-@@ -3014,7 +3014,7 @@
+@@ -3025,7 +3025,7 @@
   * Module:  library/xtea.c
   * Caller:
   */