diff --git a/include/openssl/sm2_standard_sign.h b/include/openssl/sm2_standard_sign.h
new file mode 100644
index 00000000..481e94b7
--- /dev/null
+++ b/include/openssl/sm2_standard_sign.h
@@ -0,0 +1,55 @@
+#include <string.h>
+#include <malloc.h>
+#include "miracl.h"
+
+
+#define SM2_WORDSIZE 8
+#define SM2_NUMBITS 256
+#define SM2_NUMWORD (SM2_NUMBITS / SM2_WORDSIZE)	//32
+#define ERR_ECURVE_INIT 0x00000001
+#define ERR_INFINITY_POINT 0x00000002
+#define ERR_NOT_VALID_POINT 0x00000003
+#define ERR_ORDER 0x00000004
+#define ERR_NOT_VALID_ELEMENT 0x00000005
+#define ERR_GENERATE_R 0x00000006
+#define ERR_GENERATE_S 0x00000007
+#define ERR_OUTRANGE_R 0x00000008
+#define ERR_OUTRANGE_S 0x00000009
+#define ERR_GENERATE_T 0x0000000A
+#define ERR_PUBKEY_INIT 0x0000000B
+#define ERR_DATA_MEMCMP 0x0000000C
+
+
+unsigned char SM2_p[32] = {0xff, 0xff, 0xff, 0xfe, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+						   0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+
+unsigned char SM2_a[32] = {0xff, 0xff, 0xff, 0xfe, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
+						   0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc};
+
+unsigned char SM2_b[32] = {0x28, 0xe9, 0xfa, 0x9e, 0x9d, 0x9f, 0x5e, 0x34,
+						   0x4d, 0x5a, 0x9e, 0x4b, 0xcf, 0x65, 0x09, 0xa7,
+						   0xf3, 0x97, 0x89, 0xf5, 0x15, 0xab, 0x8f, 0x92, 
+						   0xdd, 0xbc, 0xbd, 0x41, 0x4d, 0x94, 0x0e, 0x93};
+
+unsigned char SM2_Gx[32] = {0x32, 0xc4, 0xae, 0x2c, 0x1f, 0x19, 0x81, 0x19, 0x5f, 0x99, 0x04, 0x46, 0x6a, 0x39, 0xc9, 0x94,
+							0x8f, 0xe3, 0x0b, 0xbf, 0xf2, 0x66, 0x0b, 0xe1, 0x71, 0x5a, 0x45, 0x89, 0x33, 0x4c, 0x74, 0xc7};
+
+unsigned char SM2_Gy[32] = {0xbc, 0x37, 0x36, 0xa2, 0xf4, 0xf6, 0x77, 0x9c, 0x59, 0xbd, 0xce, 0xe3, 0x6b, 0x69, 0x21, 0x53, 
+							0xd0, 0xa9, 0x87, 0x7c, 0xc6, 0x2a, 0x47, 0x40, 0x02, 0xdf, 0x32, 0xe5, 0x21, 0x39, 0xf0, 0xa0};
+
+unsigned char SM2_n[32] = {0xff, 0xff, 0xff, 0xfe, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
+						   0x72, 0x03, 0xdf, 0x6b, 0x21, 0xc6, 0x05, 0x2b, 0x53, 0xbb, 0xf4, 0x09, 0x39, 0xd5, 0x41, 0x23};
+
+big Gx, Gy, p, a, b, n;
+epoint *G, *nG;
+
+int SM2_standard_init();
+int Test_Point(epoint* point);
+int Test_PubKey(epoint *pubKey);
+int Test_Zero(big x);
+int Test_n(big x);
+int Test_Range(big x);
+int SM2_standard_keygeneration(unsigned char PriKey[], unsigned char Px[], unsigned char Py[]);
+int SM2_standard_sign(unsigned char *message, int len, unsigned char ZA[], unsigned char rand[], unsigned char d[], unsigned char R[], unsigned char S[]);
+int SM2_standard_verify(unsigned char *message, int len, unsigned char ZA[], unsigned char Px[], unsigned char Py[], unsigned char R[], unsigned char S[]);
+int SM2_standard_selfcheck();