Create new fuzzer build mode

1 files changed, 44 insertions, 0 deletions

diff --git a/src/fuzzer/os2ecp.cpp b/src/fuzzer/os2ecp.cpp
new file mode 100644
index 000000000..dba6dbdfe
--- /dev/null
+++ b/src/fuzzer/os2ecp.cpp
@@ -0,0 +1,44 @@
+/*
+* (C) 2015,2016 Jack Lloyd
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+#include "fuzzers.h"
+#include <botan/ec_group.h>
+#include <botan/point_gfp.h>
+
+namespace {
+
+void check_os2ecp(const Botan::EC_Group& group, const uint8_t in[], size_t len)
+   {
+   try
+      {
+      Botan::PointGFp point = Botan::OS2ECP(in, len, group.get_curve());
+      }
+   catch(Botan::Exception& e) {}
+   }
+
+}
+
+void fuzz(const uint8_t in[], size_t len)
+   {
+   if(len >= 256)
+      return;
+
+   static Botan::EC_Group p192("secp192r1");
+   static Botan::EC_Group p224("secp224r1");
+   static Botan::EC_Group p256("secp256r1");
+   static Botan::EC_Group p384("secp384r1");
+   static Botan::EC_Group p521("secp521r1");
+   static Botan::EC_Group bp256("brainpool256r1");
+   static Botan::EC_Group bp512("brainpool512r1");
+
+   check_os2ecp(p192, in, len);
+   check_os2ecp(p224, in, len);
+   check_os2ecp(p256, in, len);
+   check_os2ecp(p384, in, len);
+   check_os2ecp(p521, in, len);
+   check_os2ecp(p521, in, len);
+   check_os2ecp(bp256, in, len);
+   check_os2ecp(bp512, in, len);
+   }