mbedtls: update to 2.5.1

Fixes some security issues (no remote exploits), and introduces
some changes. See release notes for details:
https://tls.mbed.org/tech-updates/releases/mbedtls-2.5.1-2.1.8-and-1.3.20-released

* Fixes an unlimited overread of heap-based buffers in mbedtls_ssl_read()
* Adds exponent blinding to RSA private operations
* Wipes stack buffers in RSA private key operations (rsa_rsaes_pkcs1_v15_decrypt(), rsa_rsaes_oaep_decrypt())
* Removes SHA-1 and RIPEMD-160 from the default hash algorithms for certificate verification.
* Fixes offset in FALLBACK_SCSV parsing that caused TLS server to fail to detect it sometimes.
* Tighten parsing of RSA PKCS#1 v1.5 signatures, to avoid a potential Bleichenbacher/BERserk-style attack.

Signed-off-by: Magnus Kroken <mkroken@gmail.com>

package/libs/mbedtls/Makefile

@@ -8,13 +8,13 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=mbedtls
-PKG_VERSION:=2.4.2
+PKG_VERSION:=2.5.1
 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:=d01f2d5586a52055329d194d909103f445bd2d0b6b2b5f1c830fbf828ac6299f
+PKG_HASH:=312f020006f0d8e9ede3ed8e73d907a629baf6475229703941769372ab0adee2
 
 PKG_BUILD_PARALLEL:=1
 PKG_LICENSE:=GPL-2.0+

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

@@ -9,7 +9,7 @@
  
  /* \} name SECTION: System support */
  
-@@ -441,17 +441,17 @@
+@@ -504,17 +504,17 @@
   *
   * Comment macros to disable the curve and functions for it
   */
@@ -35,7 +35,7 @@
  #define MBEDTLS_ECP_DP_CURVE25519_ENABLED
  
  /**
-@@ -476,8 +476,8 @@
+@@ -539,8 +539,8 @@
   * Requires: MBEDTLS_HMAC_DRBG_C
   *
   * Comment this macro to disable deterministic ECDSA.
@@ -45,7 +45,7 @@
  
  /**
   * \def MBEDTLS_KEY_EXCHANGE_PSK_ENABLED
-@@ -523,7 +523,7 @@
+@@ -586,7 +586,7 @@
   *      MBEDTLS_TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA
   *      MBEDTLS_TLS_DHE_PSK_WITH_RC4_128_SHA
   */
@@ -54,7 +54,7 @@
  
  /**
   * \def MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
-@@ -542,8 +542,8 @@
+@@ -605,8 +605,8 @@
   *      MBEDTLS_TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256
   *      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
-@@ -568,7 +568,7 @@
+@@ -631,7 +631,7 @@
   *      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
-@@ -695,7 +695,7 @@
+@@ -758,7 +758,7 @@
   *      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
-@@ -719,7 +719,7 @@
+@@ -782,7 +782,7 @@
   *      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
-@@ -823,7 +823,7 @@
+@@ -886,7 +886,7 @@
   * 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
-@@ -917,14 +917,14 @@
+@@ -980,14 +980,14 @@
   * Uncomment this macro to disable the use of CRT in RSA.
   *
   */
@@ -117,7 +117,7 @@
  
  /**
   * \def MBEDTLS_SHA256_SMALLER
-@@ -940,7 +940,7 @@
+@@ -1003,7 +1003,7 @@
   *
   * Uncomment to enable the smaller implementation of SHA256.
   */
@@ -126,7 +126,7 @@
  
  /**
   * \def MBEDTLS_SSL_ALL_ALERT_MESSAGES
-@@ -1059,8 +1059,8 @@
+@@ -1122,8 +1122,8 @@
   * misuse/misunderstand.
   *
   * Comment this to disable support for renegotiation.
@@ -136,7 +136,7 @@
  
  /**
   * \def MBEDTLS_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO
-@@ -1234,8 +1234,8 @@
+@@ -1297,8 +1297,8 @@
   * callbacks are provided by MBEDTLS_SSL_TICKET_C.
   *
   * Comment this macro to disable support for SSL session tickets
@@ -146,7 +146,7 @@
  
  /**
   * \def MBEDTLS_SSL_EXPORT_KEYS
-@@ -1265,7 +1265,7 @@
+@@ -1328,7 +1328,7 @@
   *
   * Comment this macro to disable support for truncated HMAC in SSL
   */
@@ -155,7 +155,7 @@
  
  /**
   * \def MBEDTLS_THREADING_ALT
-@@ -1299,8 +1299,8 @@
+@@ -1362,8 +1362,8 @@
   * Requires: MBEDTLS_VERSION_C
   *
   * Comment this to disable run-time checking and save ROM space
@@ -165,7 +165,7 @@
  
  /**
   * \def MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3
-@@ -1621,7 +1621,7 @@
+@@ -1684,7 +1684,7 @@
   *      MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256
   *      MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256
   */
@@ -174,7 +174,7 @@
  
  /**
   * \def MBEDTLS_CCM_C
-@@ -1635,7 +1635,7 @@
+@@ -1698,7 +1698,7 @@
   * This module enables the AES-CCM ciphersuites, if other requisites are
   * enabled as well.
   */
@@ -183,7 +183,7 @@
  
  /**
   * \def MBEDTLS_CERTS_C
-@@ -1647,7 +1647,7 @@
+@@ -1710,7 +1710,7 @@
   *
   * This module is used for testing (ssl_client/server).
   */
@@ -192,7 +192,7 @@
  
  /**
   * \def MBEDTLS_CIPHER_C
-@@ -1700,7 +1700,7 @@
+@@ -1763,7 +1763,7 @@
   *
   * This module provides debugging functions.
   */
@@ -201,7 +201,7 @@
  
  /**
   * \def MBEDTLS_DES_C
-@@ -1725,8 +1725,8 @@
+@@ -1788,8 +1788,8 @@
   *      MBEDTLS_TLS_PSK_WITH_3DES_EDE_CBC_SHA
   *
   * PEM_PARSE uses DES/3DES for decrypting encrypted keys.
@@ -211,7 +211,7 @@
  
  /**
   * \def MBEDTLS_DHM_C
-@@ -1880,8 +1880,8 @@
+@@ -1943,8 +1943,8 @@
   * Requires: MBEDTLS_MD_C
   *
   * Uncomment to enable the HMAC_DRBG random number geerator.
@@ -221,7 +221,7 @@
  
  /**
   * \def MBEDTLS_MD_C
-@@ -2158,7 +2158,7 @@
+@@ -2221,7 +2221,7 @@
   * Caller:  library/md.c
   *
   */
@@ -230,7 +230,7 @@
  
  /**
   * \def MBEDTLS_RSA_C
-@@ -2235,8 +2235,8 @@
+@@ -2299,8 +2299,8 @@
   * Caller:
   *
   * Requires: MBEDTLS_SSL_CACHE_C
@@ -240,7 +240,7 @@
  
  /**
   * \def MBEDTLS_SSL_COOKIE_C
-@@ -2257,8 +2257,8 @@
+@@ -2321,8 +2321,8 @@
   * Caller:
   *
   * Requires: MBEDTLS_CIPHER_C
@@ -250,7 +250,7 @@
  
  /**
   * \def MBEDTLS_SSL_CLI_C
-@@ -2357,8 +2357,8 @@
+@@ -2421,8 +2421,8 @@
   * Module:  library/version.c
   *
   * This module provides run-time version information.
@@ -260,7 +260,7 @@
  
  /**
   * \def MBEDTLS_X509_USE_C
-@@ -2468,7 +2468,7 @@
+@@ -2532,7 +2532,7 @@
   * Module:  library/xtea.c
   * Caller:
   */