1 files changed, 130 insertions, 0 deletions
diff --git a/checks/ecdh.cpp b/checks/ecdh.cpp
new file mode 100644
index 000000000..a63742f2f
--- /dev/null
+++ b/checks/ecdh.cpp
@@ -0,0 +1,130 @@
+/*
+* ECDH tests
+*
+* (C) 2007 Manuel Hartl ([email protected])
+*     2008 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#include <botan/build.h>
+
+#include "validate.h"
+#include "common.h"
+
+#if defined(BOTAN_HAS_ECDH)
+
+#include <iostream>
+#include <fstream>
+
+#include <botan/pubkey.h>
+#include <botan/ecdh.h>
+#include <botan/x509self.h>
+#include <botan/der_enc.h>
+
+using namespace Botan;
+
+#define CHECK_MESSAGE(expr, print) try { if(!(expr)) std::cout << print << "\n"; } catch(std::exception& e) { std::cout << __FUNCTION__ << ": " << e.what() << "\n"; }
+#define CHECK(expr) try { if(!(expr)) std::cout << #expr << "\n"; } catch(std::exception& e) { std::cout << __FUNCTION__ << ": " << e.what() << "\n"; }
+
+namespace {
+
+void test_ecdh_normal_derivation(RandomNumberGenerator& rng)
+   {
+   std::cout << "." << std::flush;
+
+   EC_Domain_Params dom_pars(OID("1.3.132.0.8"));
+
+   ECDH_PrivateKey private_a(rng, dom_pars);
+
+   ECDH_PrivateKey private_b(rng, dom_pars); //public_a.getCurve()
+
+   PK_Key_Agreement ka(private_a, "KDF2(SHA-1)");
+   PK_Key_Agreement kb(private_b, "KDF2(SHA-1)");
+
+   SymmetricKey alice_key = ka.derive_key(32, private_b.public_value());
+   SymmetricKey bob_key = kb.derive_key(32, private_a.public_value());
+
+   if(alice_key != bob_key)
+      {
+      std::cout << "The two keys didn't match!\n";
+      std::cout << "Alice's key was: " << alice_key.as_string() << "\n";
+      std::cout << "Bob's key was: " << bob_key.as_string() << "\n";
+      }
+   }
+
+void test_ecdh_some_dp(RandomNumberGenerator& rng)
+   {
+   std::vector<std::string> oids;
+   oids.push_back("1.2.840.10045.3.1.7");
+   oids.push_back("1.3.132.0.8");
+   oids.push_back("1.2.840.10045.3.1.1");
+
+   for(u32bit i = 0; i< oids.size(); i++)
+      {
+      std::cout << "." << std::flush;
+
+      OID oid(oids[i]);
+      EC_Domain_Params dom_pars(oid);
+
+      ECDH_PrivateKey private_a(rng, dom_pars);
+      ECDH_PrivateKey private_b(rng, dom_pars);
+
+      PK_Key_Agreement ka(private_a, "KDF2(SHA-1)");
+      PK_Key_Agreement kb(private_b, "KDF2(SHA-1)");
+
+      SymmetricKey alice_key = ka.derive_key(32, private_b.public_value());
+      SymmetricKey bob_key = kb.derive_key(32, private_a.public_value());
+
+      CHECK_MESSAGE(alice_key == bob_key, "different keys - " << "Alice's key was: " << alice_key.as_string() << ", Bob's key was: " << bob_key.as_string());
+      }
+
+   }
+
+void test_ecdh_der_derivation(RandomNumberGenerator& rng)
+   {
+   std::vector<std::string> oids;
+   oids.push_back("1.2.840.10045.3.1.7");
+   oids.push_back("1.3.132.0.8");
+   oids.push_back("1.2.840.10045.3.1.1");
+
+   for(u32bit i = 0; i< oids.size(); i++)
+      {
+      OID oid(oids[i]);
+      EC_Domain_Params dom_pars(oid);
+
+      ECDH_PrivateKey private_a(rng, dom_pars);
+      ECDH_PrivateKey private_b(rng, dom_pars);
+
+      MemoryVector<byte> key_a = private_a.public_value();
+      MemoryVector<byte> key_b = private_b.public_value();
+
+      PK_Key_Agreement ka(private_a, "KDF2(SHA-1)");
+      PK_Key_Agreement kb(private_b, "KDF2(SHA-1)");
+
+      SymmetricKey alice_key = ka.derive_key(32, key_b);
+      SymmetricKey bob_key = kb.derive_key(32, key_a);
+
+      CHECK_MESSAGE(alice_key == bob_key, "different keys - " << "Alice's key was: " << alice_key.as_string() << ", Bob's key was: " << bob_key.as_string());
+      //cout << "key: " << alice_key.as_string() << endl;
+      }
+   }
+
+}
+
+u32bit do_ecdh_tests(RandomNumberGenerator& rng)
+   {
+   std::cout << "Testing ECDH (InSiTo unit tests): ";
+
+   test_ecdh_normal_derivation(rng);
+   test_ecdh_some_dp(rng);
+   test_ecdh_der_derivation(rng);
+
+   std::cout << std::endl;
+
+   return 0;
+   }
+
+#else
+u32bit do_ecdh_tests(RandomNumberGenerator&) { return 0; }
+#endif