Added init

secure_enclave/BLSUtils.cpp

@@ -68,10 +68,18 @@ libff::alt_bn128_Fr *keyFromString(const char* _keyString) {
   return new libff::alt_bn128_Fr(_keyString);
 }
 
-bool check_key(int *err_status, char *err_string, const char *_keyString) {
 
+int inited = 0;
 
+void init() {
+    if (inited == 1)
+        return;
+    inited = 1;
     libff::init_alt_bn128_params();
+}
+
+bool check_key(int *err_status, char *err_string, const char *_keyString) {
+
 
 
 

secure_enclave/BLSUtils.h

@@ -26,5 +26,7 @@ EXTERNC void  carray2Hex(const unsigned char *d, int _len, char* _hexArray);
 EXTERNC bool hex2carray(const char * _hex, uint64_t  *_bin_len,
                        uint8_t* _bin );
 
+EXTERNC void init();
+
 
 #endif //SGXWALLET_BLSUTILS_H