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authorMatt Corallo <git@bluematt.me>2019-11-23 11:42:23 -0500
committerMatt Corallo <git@bluematt.me>2019-11-23 16:06:34 -0500
commit02d8c56a18b9a2960888d6ec1209955105bae847 (patch)
tree9013a23918ed55059a39fa56ae93ef6951456607 /src/random.h
parent33c103e2fe67e32e9f4e783fa243dd2bba6b1682 (diff)
downloadbitcoin-02d8c56a18b9a2960888d6ec1209955105bae847.tar.xz
Seed RNG with precision timestamps on receipt of net messages.
Diffstat (limited to 'src/random.h')
-rw-r--r--src/random.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/random.h b/src/random.h
index 2d8ab085e3..b6e70fcb1f 100644
--- a/src/random.h
+++ b/src/random.h
@@ -90,6 +90,14 @@ void GetStrongRandBytes(unsigned char* buf, int num) noexcept;
void RandAddPeriodic();
/**
+ * Gathers entropy from the low bits of the time at which events occur. Should
+ * be called with a uint32_t describing the event at the time an event occurs.
+ *
+ * Thread-safe.
+ */
+void RandAddEvent(const uint32_t event_info);
+
+/**
* Fast randomness source. This is seeded once with secure random data, but
* is completely deterministic and does not gather more entropy after that.
*