commit e94bfe6cd6ad1b1c194a19188f33a06e854fb29d
author Manuel Pégourié-Gonnard <mpg@elzevir.fr> Thu May 14 13:57:50 2015 +0200
committer Manuel Pégourié-Gonnard <mpg@elzevir.fr> Thu May 14 21:58:34 2015 +0200
tree 6e6d6401a2d8e6068cb5a94201db4dbe665a358d
parent 151dc7773296415962ac339cd0b4affee88aff47

Improve entropy selftest: check default sources

library/entropy.c

diff --git a/library/entropy.c b/library/entropy.c
index d60250c..e41a593 100644
--- a/library/entropy.c
+++ b/library/entropy.c
@@ -421,11 +421,12 @@
 
     mbedtls_entropy_init( &ctx );
 
-    ret = mbedtls_entropy_add_source( &ctx, entropy_dummy_source, NULL, 16 );
-    if( ret != 0 )
+    /* First do a gather to mek sure we have default sources */
+    if( ( ret = mbedtls_entropy_gather( &ctx ) ) != 0 )
         goto cleanup;
 
-    if( ( ret = mbedtls_entropy_gather( &ctx ) ) != 0 )
+    ret = mbedtls_entropy_add_source( &ctx, entropy_dummy_source, NULL, 16 );
+    if( ret != 0 )
         goto cleanup;
 
     if( ( ret = mbedtls_entropy_update_manual( &ctx, buf, sizeof buf ) ) != 0 )