commit 9988d6bbd98c538f3f5d9fcb70e7b6a0ab1e7298
author Paul Bakker <paul@brainspark.nl> Wed Jun 01 11:29:42 2016 +0100
committer Simon Butcher <simon.butcher@arm.com> Fri Jun 10 19:42:14 2016 +0100
tree 7297948ecf4da1475db53fcbba753db7bc2249a9
parent cf0a9f96c520f84a4299f68213dc0dbe06a273d0

Introduce mbedtls_nv_seed_poll() entropy polling function

library/entropy.c

diff --git a/library/entropy.c b/library/entropy.c
index 381f730..d42ca15 100644
--- a/library/entropy.c
+++ b/library/entropy.c
@@ -1,7 +1,7 @@
 /*
  *  Entropy accumulator implementation
  *
- *  Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
+ *  Copyright (C) 2006-2016, ARM Limited, All Rights Reserved
  *  SPDX-License-Identifier: Apache-2.0
  *
  *  Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -99,6 +99,11 @@
                                 MBEDTLS_ENTROPY_MIN_HARDWARE,
                                 MBEDTLS_ENTROPY_SOURCE_STRONG );
 #endif
+#if defined(MBEDTLS_ENTROPY_NV_SEED)
+    mbedtls_entropy_add_source( ctx, mbedtls_nv_seed_poll, NULL,
+                                MBEDTLS_ENTROPY_BLOCK_SIZE,
+                                MBEDTLS_ENTROPY_SOURCE_STRONG );
+#endif
 #endif /* MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES */
 }