Added gmp

secure_enclave/BLSUtils.cpp

@@ -4,6 +4,7 @@
 
 #define GMP_WITH_SGX
 #include "libff/algebra/curves/alt_bn128/alt_bn128_pp.hpp"
+#include "libff/algebra/curves/alt_bn128/alt_bn128_init.hpp"
 #include "BLSUtils.h"
 
 
@@ -35,6 +36,8 @@ libff::alt_bn128_Fr* keyFromString(std::string& _keyString) {
 
 void import_key(const char* _keyString, char* encryptedKey, uint64_t bufLen) {
 
+    libff::init_alt_bn128_params();
+
     if (encryptedKey == nullptr && bufLen < 100)
       throw std::exception();
 
@@ -43,26 +46,22 @@ void import_key(const char* _keyString, char* encryptedKey, uint64_t bufLen) {
 
     std::string ks(_keyString);
 
-    //std::string  keyString = "4160780231445160889237664391382223604184857153814275770598791864649971919844";
-
-    auto key1 = keyFromString(ks);
+    // std::string  keyString = "4160780231445160889237664391382223604184857153814275770598791864649971919844";
 
-    auto s1 = stringFromKey(key1);
+    auto key = keyFromString(ks);
 
-    auto key2 = keyFromString(*s1);
+    auto s1 = stringFromKey(key);
 
-    auto s2 = stringFromKey(key2);
-
-    if (s1->compare(*s2) != 0)
-        throw std::exception();
+   if (s1->compare(ks) != 0)
+    throw std::exception();
 
+  if (s1->size() < 10)
+      throw  std::exception();
 
-  if (s2->size() == 0)
-    throw std::exception();
 
-    if (s2->size() >= 100)
-      throw std::exception();
+  if (s1->size() >= 100)
+    throw  std::exception();
 
-    strncpy(encryptedKey, s2->c_str(), 100);
+  strncpy(encryptedKey, s1->c_str(), 100);
 
 }