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-rw-r--r--src/tests/test_c25519.cpp56
1 files changed, 56 insertions, 0 deletions
diff --git a/src/tests/test_c25519.cpp b/src/tests/test_c25519.cpp
new file mode 100644
index 000000000..cb03ebf69
--- /dev/null
+++ b/src/tests/test_c25519.cpp
@@ -0,0 +1,56 @@
+#include "tests.h"
+#include "test_pubkey.h"
+
+#if defined(BOTAN_HAS_CURVE_25519)
+#include <botan/curve25519.h>
+#include <botan/hex.h>
+#include <iostream>
+#include <fstream>
+#endif
+
+using namespace Botan;
+
+#if defined(BOTAN_HAS_CURVE_25519)
+
+namespace {
+
+size_t curve25519_scalar_kat(const std::string& secret_h,
+ const std::string& basepoint_h,
+ const std::string& out_h)
+ {
+ const std::vector<byte> secret = hex_decode(secret_h);
+ const std::vector<byte> basepoint = hex_decode(basepoint_h);
+ const std::vector<byte> out = hex_decode(out_h);
+
+ std::vector<byte> got(32);
+ curve25519_donna(&got[0], &secret[0], &basepoint[0]);
+
+ if(got != out)
+ {
+ std::cout << "Got " << hex_encode(got) << " exp " << hex_encode(out) << "\n";
+ return 1;
+ }
+
+ return 0;
+ }
+
+}
+#endif
+
+size_t test_curve25519()
+ {
+ size_t fails = 0;
+
+#if defined(BOTAN_HAS_CURVE_25519)
+ std::ifstream c25519_scalar(PK_TEST_DATA_DIR "/c25519_scalar.vec");
+
+ fails += run_tests_bb(c25519_scalar, "Curve25519 ScalarMult", "Out", true,
+ [](std::map<std::string, std::string> m) -> size_t
+ {
+ return curve25519_scalar_kat(m["Secret"], m["Basepoint"], m["Out"]);
+ });
+#endif
+
+ return fails;
+ }
+