X-Git-Url: https://www.bearssl.org/gitweb//home/git/?p=BearSSL;a=blobdiff_plain;f=src%2Fconfig.h;h=accae3e46d2d940780d95b27752d0895320134ff;hp=b06807b1c9a8dba45db10a5058c078c67c7e08b2;hb=8e94ad2fcb11794c559025277e56f3fbeb676f5d;hpb=24c6f09bf83015e04e16666e8a5fb66e75967e0d;ds=sidebyside

diff --git a/src/config.h b/src/config.h
index b06807b..accae3e 100644
--- a/src/config.h
+++ b/src/config.h
@@ -98,6 +98,17 @@
 #define BR_NO_ARITH_SHIFT   1
  */
 
+/*
+ * When BR_RDRAND is enabled, the SSL engine will use the RDRAND opcode
+ * to automatically obtain quality randomness for seeding its internal
+ * PRNG. Since that opcode is present only in recent x86 CPU, its
+ * support is dynamically tested; if the current CPU does not support
+ * it, then another random source will be used, such as /dev/urandom or
+ * CryptGenRandom().
+ *
+#define BR_RDRAND   1
+ */
+
 /*
  * When BR_USE_URANDOM is enabled, the SSL engine will use /dev/urandom
  * to automatically obtain quality randomness for seedings its internal