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-rw-r--r--src/randomenv.cpp25
1 files changed, 25 insertions, 0 deletions
diff --git a/src/randomenv.cpp b/src/randomenv.cpp
index bfe57dafe5..05be090d93 100644
--- a/src/randomenv.cpp
+++ b/src/randomenv.cpp
@@ -57,6 +57,9 @@
#include <sys/vmmeter.h>
#endif
#endif
+#ifdef __linux__
+#include <sys/auxv.h>
+#endif
//! Necessary on some platforms
extern char** environ;
@@ -329,6 +332,28 @@ void RandAddStaticEnv(CSHA512& hasher)
// Bitcoin client version
hasher << CLIENT_VERSION;
+#ifdef __linux__
+ // Information available through getauxval()
+# ifdef AT_HWCAP
+ hasher << getauxval(AT_HWCAP);
+# endif
+# ifdef AT_HWCAP2
+ hasher << getauxval(AT_HWCAP2);
+# endif
+# ifdef AT_RANDOM
+ const unsigned char* random_aux = (const unsigned char*)getauxval(AT_RANDOM);
+ if (random_aux) hasher.Write(random_aux, 16);
+# endif
+# ifdef AT_PLATFORM
+ const char* platform_str = (const char*)getauxval(AT_PLATFORM);
+ if (platform_str) hasher.Write((const unsigned char*)platform_str, strlen(platform_str) + 1);
+# endif
+# ifdef AT_EXECFN
+ const char* exec_str = (const char*)getauxval(AT_EXECFN);
+ if (exec_str) hasher.Write((const unsigned char*)exec_str, strlen(exec_str) + 1);
+# endif
+#endif // __linux__
+
#ifdef HAVE_GETCPUID
AddAllCPUID(hasher);
#endif