1 files changed, 51 insertions, 0 deletions
diff --git a/vendor/github.com/byzantine-lab/mcl/test/ecdsa_c_test.cpp b/vendor/github.com/byzantine-lab/mcl/test/ecdsa_c_test.cpp
new file mode 100644
index 000000000..e0af38182
--- /dev/null
+++ b/vendor/github.com/byzantine-lab/mcl/test/ecdsa_c_test.cpp
@@ -0,0 +1,51 @@
+#include <mcl/ecdsa.h>
+#include <cybozu/test.hpp>
+#include <string.h>
+
+template<class T, class Serializer, class Deserializer>
+void serializeTest(const T& x, const Serializer& serialize, const Deserializer& deserialize)
+{
+	char buf[128];
+	size_t n = serialize(buf, sizeof(buf), &x);
+	CYBOZU_TEST_ASSERT(n > 0);
+	T y;
+	size_t m = deserialize(&y, buf, n);
+	CYBOZU_TEST_EQUAL(m, n);
+	CYBOZU_TEST_ASSERT(memcmp(&x, &y, n) == 0);
+}
+
+CYBOZU_TEST_AUTO(ecdsa)
+{
+	int ret;
+	ret = ecdsaInit();
+	CYBOZU_TEST_EQUAL(ret, 0);
+	ecdsaSecretKey sec;
+	ecdsaPublicKey pub;
+	ecdsaPrecomputedPublicKey *ppub;
+	ecdsaSignature sig;
+	const char *msg = "hello";
+	mclSize msgSize = strlen(msg);
+
+	ret = ecdsaSecretKeySetByCSPRNG(&sec);
+	CYBOZU_TEST_EQUAL(ret, 0);
+	serializeTest(sec, ecdsaSecretKeySerialize, ecdsaSecretKeyDeserialize);
+
+	ecdsaGetPublicKey(&pub, &sec);
+	serializeTest(pub, ecdsaPublicKeySerialize, ecdsaPublicKeyDeserialize);
+	ecdsaSign(&sig, &sec, msg, msgSize);
+	serializeTest(sig, ecdsaSignatureSerialize, ecdsaSignatureDeserialize);
+	CYBOZU_TEST_ASSERT(ecdsaVerify(&sig, &pub, msg, msgSize));
+
+	ppub = ecdsaPrecomputedPublicKeyCreate();
+	CYBOZU_TEST_ASSERT(ppub);
+	ret = ecdsaPrecomputedPublicKeyInit(ppub, &pub);
+	CYBOZU_TEST_EQUAL(ret, 0);
+
+	CYBOZU_TEST_ASSERT(ecdsaVerifyPrecomputed(&sig, ppub, msg, msgSize));
+
+	sig.d[0]++;
+	CYBOZU_TEST_ASSERT(!ecdsaVerify(&sig, &pub, msg, msgSize));
+	CYBOZU_TEST_ASSERT(!ecdsaVerifyPrecomputed(&sig, ppub, msg, msgSize));
+
+	ecdsaPrecomputedPublicKeyDestroy(ppub);
+}