add sample for bls12-381dev

5 files changed, 50 insertions, 5 deletions

diff --git a/Makefile b/Makefile
index 1696f69..a43c016 100644
--- a/Makefile
+++ b/Makefile
@@ -13,7 +13,7 @@ CFLAGS += -std=c++11
 
 SRC_SRC=bls_c256.cpp bls_c384.cpp bls_c384_256.cpp bls_c512.cpp
 TEST_SRC=bls256_test.cpp bls384_test.cpp bls384_256_test.cpp bls_c256_test.cpp bls_c384_test.cpp bls_c384_256_test.cpp bls_c512_test.cpp
-SAMPLE_SRC=bls256_smpl.cpp bls384_smpl.cpp
+SAMPLE_SRC=bls_smpl.cpp bls12_381_smpl.cpp
 
 CFLAGS+=-I$(MCL_DIR)/include
 ifneq ($(MCL_MAX_BIT_SIZE),)
@@ -93,9 +93,9 @@ $(EXE_DIR)/%512_test.exe: $(OBJ_DIR)/%512_test.o $(BLS512_LIB) $(MCL_LIB)
 $(EXE_DIR)/%256_test.exe: $(OBJ_DIR)/%256_test.o $(BLS256_LIB) $(MCL_LIB)
 	$(PRE)$(CXX) $< -o $@ $(BLS256_LIB) -L$(MCL_DIR)/lib -lmcl $(LDFLAGS)
 
-# sample exe links libbls256.a
-$(EXE_DIR)/%.exe: $(OBJ_DIR)/%.o $(BLS256_LIB) $(MCL_LIB)
-	$(PRE)$(CXX) $< -o $@ $(BLS256_LIB) -L$(MCL_DIR)/lib -lmcl $(LDFLAGS)
+# sample exe links libbls384_256.a
+$(EXE_DIR)/%.exe: $(OBJ_DIR)/%.o $(BLS384_256_LIB) $(MCL_LIB)
+	$(PRE)$(CXX) $< -o $@ $(BLS384_256_LIB) -L$(MCL_DIR)/lib -lmcl $(LDFLAGS)
 ifeq ($(OS),mac)
 	install_name_tool bin/bls_smpl.exe -change lib/libmcl.dylib $(MCL_DIR)/lib/libmcl.dylib
 endif
diff --git a/include/bls/bls256.h b/include/bls/bls256.h
new file mode 100644
index 0000000..9549012
--- /dev/null
+++ b/include/bls/bls256.h
@@ -0,0 +1,12 @@
+#pragma once
+/**
+	@file
+	@brief C API of 256-bit
+	@author MITSUNARI Shigeo(@herumi)
+	@license modified new BSD license
+	http://opensource.org/licenses/BSD-3-Clause
+*/
+#define MCLBN_FP_UNIT_SIZE 4
+#define MCLBN_FR_UNIT_SIZE 4
+#include <bls/bls.h>
+
diff --git a/include/bls/bls384_256.h b/include/bls/bls384_256.h
new file mode 100644
index 0000000..4977aae
--- /dev/null
+++ b/include/bls/bls384_256.h
@@ -0,0 +1,12 @@
+#pragma once
+/**
+	@file
+	@brief C API of 384/256-bit
+	@author MITSUNARI Shigeo(@herumi)
+	@license modified new BSD license
+	http://opensource.org/licenses/BSD-3-Clause
+*/
+#define MCLBN_FP_UNIT_SIZE 6
+#define MCLBN_FR_UNIT_SIZE 4
+#include <bls/bls.h>
+
diff --git a/sample/bls12_381_smpl.cpp b/sample/bls12_381_smpl.cpp
new file mode 100644
index 0000000..c324ffa
--- /dev/null
+++ b/sample/bls12_381_smpl.cpp
@@ -0,0 +1,21 @@
+#include <bls/bls384_256.h>
+#include <string.h>
+#include <stdio.h>
+
+int main()
+{
+	blsSecretKey sec;
+	blsPublicKey pub;
+	blsSignature sig;
+	const char *msg = "abc";
+	const size_t msgSize = strlen(msg);
+	int ret = blsInit(MCL_BLS12_381, MCLBN_COMPILED_TIME_VAR);
+	if (ret) {
+		printf("err %d\n", ret);
+		return 1;
+	}
+	blsSecretKeySetByCSPRNG(&sec);
+	blsGetPublicKey(&pub, &sec);
+	blsSign(&sig, &sec, msg, msgSize);
+	printf("verify %d\n", blsVerify(&sig, &pub, msg, msgSize));
+}
diff --git a/sample/bls_smpl.cpp b/sample/bls_smpl.cpp
index e812cd5..ffd48ba 100644
--- a/sample/bls_smpl.cpp
+++ b/sample/bls_smpl.cpp
@@ -1,4 +1,4 @@
-#define MCLBN_FP_UNIT_SIZE 4
+#include <bls/bls384_256.h>
 #include <bls/bls.hpp>
 #include <cybozu/option.hpp>
 #include <cybozu/itoa.hpp>