1 files changed, 55 insertions, 0 deletions
diff --git a/src/tests/kat_gost.cpp b/src/tests/kat_gost.cpp
new file mode 100644
index 000000000..5aaf7807a
--- /dev/null
+++ b/src/tests/kat_gost.cpp
@@ -0,0 +1,55 @@
+#include "tests.h"
+#include "test_pubkey.h"
+
+#include <botan/auto_rng.h>
+#include <botan/pubkey.h>
+#include <botan/gost_3410.h>
+#include <botan/oids.h>
+#include <botan/hex.h>
+#include <iostream>
+#include <fstream>
+
+using namespace Botan;
+
+namespace {
+
+size_t gost_verify(const std::string& group_id,
+                   const std::string& x,
+                   const std::string& hash,
+                   const std::string& msg,
+                   const std::string& signature)
+   {
+   AutoSeeded_RNG rng;
+
+   EC_Group group(OIDS::lookup(group_id));
+   PointGFp public_point = OS2ECP(hex_decode(x), group.get_curve());
+
+   GOST_3410_PublicKey gost(group, public_point);
+
+   const std::string padding = "EMSA1(" + hash + ")";
+
+   PK_Verifier v(gost, padding);
+
+   if(!v.verify_message(hex_decode(msg), hex_decode(signature)))
+      return 1;
+
+   return 0;
+   }
+
+}
+
+size_t test_gost_3410()
+   {
+   std::ifstream ecdsa_sig(TEST_DATA_DIR "/gost.vec");
+
+   size_t fails = 0;
+
+   fails += run_tests_bb(ecdsa_sig, "GOST-34.10 Signature", "Signature", true,
+             [](std::map<std::string, std::string> m) -> size_t
+             {
+             return gost_verify(m["Group"], m["Pubkey"], m["Hash"], m["Msg"], m["Signature"]);
+             });
+
+   return fails;
+   }
+