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-rw-r--r--src/build-data/buildh.in16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/build-data/buildh.in b/src/build-data/buildh.in
index a1d8890db..6412fdcdf 100644
--- a/src/build-data/buildh.in
+++ b/src/build-data/buildh.in
@@ -167,6 +167,22 @@ softare-based entropy polling is still used.
*/
#define BOTAN_ENTROPY_ESTIMATE_HARDWARE_RNG 0.0
+/*
+How often should the RdRand/RdSeed RNGs be polled
+
+Each poll generates 32 bit entropy
+*/
+#define BOTAN_ENTROPY_INTEL_RNG_POLLS 32
+
+// According to Intel RdRand is guaranteed to generate a random number within 10 retries on a working CPU
+#define BOTAN_ENTROPY_RDRAND_RETRIES 10
+
+/*
+* RdSeed is not guaranteed to generate a random number within a specific number of retries
+* Define the number of retries here
+*/
+#define BOTAN_ENTROPY_RDSEED_RETRIES 20
+
// The output of a PRNG we are trusting to be strong
#define BOTAN_ENTROPY_ESTIMATE_STRONG_RNG 7.0