commit 11fa71b9ddb429088f325cfda430183003ccd1db
author Jerome Forissier <jerome@forissier.org> Mon Apr 20 17:17:56 2020 +0200
committer Jérôme Forissier <jerome@forissier.org> Tue Apr 21 10:43:39 2020 +0200
tree 049d555caf52db994da786cc2331810511531708
parent 8287cbcf8aef57bab94b81821008c8f7d48a5d34

Squashed commit upgrading to mbedtls-2.22.0

Squash merging branch import/mbedtls-2.22.0

5cab03377186 ("mk/clang.mk: define libgcc$(sm)")
3607a5386a72 ("core: mbedtls: enable MBEDTLS_ECDH_LEGACY_CONTEXT")
896c8845bbda ("mbedtls: remove file md_wrap.c from build")
400b2af54fa0 ("libmbedtls: mbedtls_mpi_exp_mod(): optimize mempool usage")
777827c7af3d ("libmbedtls: mbedtls_mpi_exp_mod(): reduce stack usage")
549e4600678e ("libmbedtls: preserve mempool usage on reinit")
02d636083fe2 ("libmbedtls: mbedtls_mpi_exp_mod() initialize W")
d2ac2b3c92bf ("libmbedtls: fix no CRT issue")
f550879d5be2 ("libmbedtls: add interfaces in mbedtls for context memory operation")
219173d807ce ("libmedtls: mpi_miller_rabin: increase count limit")
7930b0b6b5e4 ("libmbedtls: add mbedtls_mpi_init_mempool()")
78af9fdc120f ("libmbedtls: make mbedtls_mpi_mont*() available")
8f7357271cc2 ("libmbedtls: refine mbedtls license header")
c5993878881f ("mbedtls: configure mbedtls to reach for config")
6f9c587783af ("mbedtls: remove default include/mbedtls/config.h")
3d3bd3b12752 ("Import mbedtls-2.22.0")

Signed-off-by: Jerome Forissier <jerome@forissier.org>
Acked-by: Jens Wiklander <jens.wiklander@linaro.org>

lib/libmbedtls/mbedtls/library/hmac_drbg.c

diff --git a/lib/libmbedtls/mbedtls/library/hmac_drbg.c b/lib/libmbedtls/mbedtls/library/hmac_drbg.c
index 3fce52d..167cdd5 100644
--- a/lib/libmbedtls/mbedtls/library/hmac_drbg.c
+++ b/lib/libmbedtls/mbedtls/library/hmac_drbg.c
@@ -35,6 +35,7 @@
 
 #include "mbedtls/hmac_drbg.h"
 #include "mbedtls/platform_util.h"
+#include "mbedtls/error.h"
 
 #include <string.h>
 
@@ -74,7 +75,7 @@
     unsigned char rounds = ( additional != NULL && add_len != 0 ) ? 2 : 1;
     unsigned char sep[1];
     unsigned char K[MBEDTLS_MD_MAX_SIZE];
-    int ret;
+    int ret = MBEDTLS_ERR_MD_BAD_INPUT_DATA;
 
     for( sep[0] = 0; sep[0] < rounds; sep[0]++ )
     {
@@ -127,7 +128,7 @@
                         const mbedtls_md_info_t * md_info,
                         const unsigned char *data, size_t data_len )
 {
-    int ret;
+    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
 
     if( ( ret = mbedtls_md_setup( &ctx->md_ctx, md_info, 1 ) ) != 0 )
         return( ret );
@@ -159,7 +160,7 @@
 {
     unsigned char seed[MBEDTLS_HMAC_DRBG_MAX_SEED_INPUT];
     size_t seedlen = 0;
-    int ret;
+    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
 
     {
         size_t total_entropy_len;
@@ -251,7 +252,7 @@
                     const unsigned char *custom,
                     size_t len )
 {
-    int ret;
+    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     size_t md_size;
 
     if( ( ret = mbedtls_md_setup( &ctx->md_ctx, md_info, 1 ) ) != 0 )
@@ -329,7 +330,7 @@
                                unsigned char *output, size_t out_len,
                                const unsigned char *additional, size_t add_len )
 {
-    int ret;
+    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     mbedtls_hmac_drbg_context *ctx = (mbedtls_hmac_drbg_context *) p_rng;
     size_t md_len = mbedtls_md_get_size( ctx->md_ctx.md_info );
     size_t left = out_len;
@@ -398,7 +399,7 @@
  */
 int mbedtls_hmac_drbg_random( void *p_rng, unsigned char *output, size_t out_len )
 {
-    int ret;
+    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     mbedtls_hmac_drbg_context *ctx = (mbedtls_hmac_drbg_context *) p_rng;
 
 #if defined(MBEDTLS_THREADING_C)
@@ -434,7 +435,7 @@
 #if defined(MBEDTLS_FS_IO)
 int mbedtls_hmac_drbg_write_seed_file( mbedtls_hmac_drbg_context *ctx, const char *path )
 {
-    int ret;
+    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     FILE *f;
     unsigned char buf[ MBEDTLS_HMAC_DRBG_MAX_INPUT ];