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-rw-r--r--src/entropy/hres_timer/hres_timer.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/entropy/hres_timer/hres_timer.h b/src/entropy/hres_timer/hres_timer.h
index c693b8d4e..8b95c8308 100644
--- a/src/entropy/hres_timer/hres_timer.h
+++ b/src/entropy/hres_timer/hres_timer.h
@@ -14,6 +14,9 @@ namespace Botan {
/**
* Entropy source using high resolution timers
+*
+* @note Any results from timers are marked as not contributing entropy
+* to the poll, as a local attacker could observe them directly.
*/
class High_Resolution_Timestamp : public EntropySource
{