Add ECDH tests

Only has vectors for NIST curves (data taken from NIST CAVS file)

1 files changed, 74 insertions, 0 deletions

diff --git a/src/tests/test_ecdh.cpp b/src/tests/test_ecdh.cpp
new file mode 100644
index 000000000..a6a77fabf
--- /dev/null
+++ b/src/tests/test_ecdh.cpp
@@ -0,0 +1,74 @@
+/*
+* (C) 2015,2016 Jack Lloyd
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#include "tests.h"
+
+#if defined(BOTAN_HAS_ECDH)
+  #include "test_pubkey.h"
+  #include <botan/pubkey.h>
+  #include <botan/ecdh.h>
+#endif
+
+namespace Botan_Tests {
+
+namespace {
+
+#if defined(BOTAN_HAS_ECDH)
+
+class ECDH_KAT_Tests : public PK_Key_Agreement_Test
+   {
+   public:
+      ECDH_KAT_Tests() : PK_Key_Agreement_Test(
+         "ECDH",
+         "pubkey/ecdh.vec",
+         {"Group", "Secret", "CounterKey", "K"},
+         {"KDF"})
+         {}
+
+      std::string default_kdf(const VarMap&) const override { return "Raw"; }
+
+      std::unique_ptr<Botan::Private_Key> load_our_key(const std::string& group_id,
+                                                       const VarMap& vars) override
+         {
+         Botan::EC_Group group(group_id);
+         const Botan::BigInt secret = get_req_bn(vars, "Secret");
+         std::unique_ptr<Botan::Private_Key> key(new Botan::ECDH_PrivateKey(Test::rng(), group, secret));
+         return key;
+         }
+
+      std::vector<uint8_t> load_their_key(const std::string&, const VarMap& vars) override
+         {
+         return get_req_bin(vars, "CounterKey");
+         }
+   };
+
+class ECDH_Keygen_Tests : public PK_Key_Generation_Test
+   {
+   public:
+      std::vector<std::string> keygen_params() const override
+         {
+         return { "secp256r1", "secp384r1", "secp521r1",
+                  "brainpool256r1", "brainpool384r1", "brainpool512r1" };
+         }
+
+      std::unique_ptr<Botan::Private_Key> make_key(Botan::RandomNumberGenerator& rng,
+                                                   const std::string& param) const override
+         {
+         Botan::EC_Group group(param);
+         std::unique_ptr<Botan::Private_Key> key(new Botan::ECDH_PrivateKey(rng, group));
+         return key;
+         }
+   };
+
+
+BOTAN_REGISTER_TEST("ecdh_kat", ECDH_KAT_Tests);
+BOTAN_REGISTER_TEST("ecdh_keygen", ECDH_Keygen_Tests);
+
+#endif
+
+}
+
+}