From f2b19befb1d46d0983c8e7d8a1f1ff92b1542fe3 Mon Sep 17 00:00:00 2001
From: Kamil Sroka <kamil.sroka@nordicsemi.no>
Date: Mon, 20 May 2019 21:21:18 +0200
Subject: [PATCH] [mbedtls] add missing entropy/ctr_drbg errors to
 MbedTls::MapError() (#3841)

---
 src/core/crypto/mbedtls.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/core/crypto/mbedtls.cpp b/src/core/crypto/mbedtls.cpp
index fe5fa9290..d598ab73e 100644
--- a/src/core/crypto/mbedtls.cpp
+++ b/src/core/crypto/mbedtls.cpp
@@ -33,7 +33,9 @@
 
 #include "mbedtls.hpp"
 
+#include <mbedtls/ctr_drbg.h>
 #include <mbedtls/debug.h>
+#include <mbedtls/entropy.h>
 #include <mbedtls/error.h>
 #include <mbedtls/platform.h>
 
@@ -106,6 +108,8 @@ otError MbedTls::MapError(int rval)
     case MBEDTLS_ERR_X509_UNKNOWN_VERSION:
 #endif // MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
     case MBEDTLS_ERR_SSL_BAD_INPUT_DATA:
+    case MBEDTLS_ERR_CTR_DRBG_REQUEST_TOO_BIG:
+    case MBEDTLS_ERR_CTR_DRBG_INPUT_TOO_BIG:
         error = OT_ERROR_INVALID_ARGS;
         break;
 
@@ -117,6 +121,7 @@ otError MbedTls::MapError(int rval)
 #endif // MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
     case MBEDTLS_ERR_SSL_ALLOC_FAILED:
     case MBEDTLS_ERR_SSL_WANT_WRITE:
+    case MBEDTLS_ERR_ENTROPY_MAX_SOURCES:
         error = OT_ERROR_NO_BUFS;
         break;
 
@@ -127,6 +132,9 @@ otError MbedTls::MapError(int rval)
     case MBEDTLS_ERR_X509_CERT_VERIFY_FAILED:
 #endif // MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
     case MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED:
+    case MBEDTLS_ERR_ENTROPY_SOURCE_FAILED:
+    case MBEDTLS_ERR_ENTROPY_NO_SOURCES_DEFINED:
+    case MBEDTLS_ERR_ENTROPY_NO_STRONG_SOURCE:
     case MBEDTLS_ERR_SSL_PEER_VERIFY_FAILED:
         error = OT_ERROR_SECURITY;
         break;