1 files changed, 52 insertions, 0 deletions
diff --git a/src/tests/test_ecdsa.cpp b/src/tests/test_ecdsa.cpp
new file mode 100644
index 000000000..32747c7b0
--- /dev/null
+++ b/src/tests/test_ecdsa.cpp
@@ -0,0 +1,52 @@
+#include "tests.h"
+#include "test_pubkey.h"
+
+#include <botan/auto_rng.h>
+#include <botan/pubkey.h>
+#include <botan/ecdsa.h>
+#include <botan/oids.h>
+#include <botan/hex.h>
+#include <iostream>
+#include <fstream>
+
+using namespace Botan;
+
+namespace {
+
+size_t ecdsa_sig_kat(const std::string& group_id,
+                     const std::string& x,
+                     const std::string& hash,
+                     const std::string& msg,
+                     const std::string& nonce,
+                     const std::string& signature)
+   {
+   AutoSeeded_RNG rng;
+
+   EC_Group group(OIDS::lookup(group_id));
+   ECDSA_PrivateKey ecdsa(rng, group, BigInt(x));
+
+   const std::string padding = "EMSA1(" + hash + ")";
+
+   PK_Verifier verify(ecdsa, padding);
+   PK_Signer sign(ecdsa, padding);
+
+   return validate_signature(verify, sign, "DSA/" + hash, msg, rng, nonce, signature);
+   }
+
+}
+
+size_t test_ecdsa()
+   {
+   std::ifstream ecdsa_sig(PK_TEST_DATA_DIR "/ecdsa.vec");
+
+   size_t fails = 0;
+
+   fails += run_tests_bb(ecdsa_sig, "ECDSA Signature", "Signature", true,
+             [](std::map<std::string, std::string> m) -> size_t
+             {
+             return ecdsa_sig_kat(m["Group"], m["X"], m["Hash"], m["Msg"], m["Nonce"], m["Signature"]);
+             });
+
+   return fails;
+   }
+