Add timeouts to HMAC_RNG entropy polling

1 files changed, 6 insertions, 4 deletions

diff --git a/src/build-data/buildh.in b/src/build-data/buildh.in
index e9115132f..f8009cf0b 100644
--- a/src/build-data/buildh.in
+++ b/src/build-data/buildh.in
@@ -45,8 +45,8 @@
 #define BOTAN_MP_WORD_BITS %{mp_bits}
 
 /*
-If enabled uses memset via volatile function pointer to zero memory,
-otherwise does a byte at a time write via a volatile pointer.
+* If enabled uses memset via volatile function pointer to zero memory,
+* otherwise does a byte at a time write via a volatile pointer.
 */
 #define BOTAN_USE_VOLATILE_MEMSET_FOR_ZERO 1
 
@@ -62,11 +62,13 @@ otherwise does a byte at a time write via a volatile pointer.
 #define BOTAN_PRIVATE_KEY_STRONG_CHECKS_ON_GENERATE 1
 
 /*
-* RNGs will automatically poll the system for additional
-* seed material after producing this many bytes of output.
+* RNGs will automatically poll the system for additional seed material
+* after producing this many bytes of output.
 */
 #define BOTAN_RNG_MAX_OUTPUT_BEFORE_RESEED 512
 #define BOTAN_RNG_RESEED_POLL_BITS 128
+#define BOTAN_RNG_AUTO_RESEED_TIMEOUT std::chrono::milliseconds(20)
+#define BOTAN_RNG_RESEED_DEFAULT_TIMEOUT std::chrono::milliseconds(100)
 
 /* Should we use GCC-style inline assembler? */
 #if !defined(BOTAN_USE_GCC_INLINE_ASM) && defined(__GNUG__)