Added gmp

.gitignore

@@ -19,3 +19,7 @@ install-sh
 /.deps/
 /CMakeCache.txt
 /cmake_install.cmake
+/sgxd.cbp
+/sgx-gmp/
+!/sgx-sdk-build/
+/secure_enclave/Makefile

secure_enclave/BLSUtils.cpp

@@ -24,24 +24,30 @@ std::string* stringFromKey(libff::alt_bn128_Fr* _key) {
 }
 
 
-libff::alt_bn128_Fr* keyFromString(std::string* _keyString) {
+libff::alt_bn128_Fr* keyFromString(std::string& _keyString) {
 
-    return new libff::alt_bn128_Fr(_keyString->c_str());
+    return new libff::alt_bn128_Fr(_keyString.c_str());
 
 }
 
 
 
 
-void import_key() {
+void import_key(const char* _keyString) {
 
-    std::string  keyString = "4160780231445160889237664391382223604184857153814275770598791864649971919844";
 
-    auto key1 = keyFromString(&keyString);
+    if (_keyString == nullptr)
+        throw std::exception();
+
+    std::string ks(_keyString);
+
+    //std::string  keyString = "4160780231445160889237664391382223604184857153814275770598791864649971919844";
+
+    auto key1 = keyFromString(ks);
 
     auto s1 = stringFromKey(key1);
 
-    auto key2 = keyFromString(s1);
+    auto key2 = keyFromString(*s1);
 
     auto s2 = stringFromKey(key2);
 

secure_enclave/BLSUtils.h

@@ -13,7 +13,7 @@
 #define EXTERNC
 #endif
 
-EXTERNC void import_key();
+EXTERNC void import_key(const char* _keyString);
 
 
 #endif //SGXD_BLSUTILS_H

secure_enclave/secure_enclave.c

@@ -177,10 +177,12 @@ void e_mpf_div(mpf_t *c_un, mpf_t *a_un, mpf_t *b_un)
 mpz_t c3, c4, c5;
 int pi_init= 0;
 
-void encrypt_key (mpf_t *pi_un, uint64_t digits)
+void encrypt_key (mpf_t *pi_un, uint64_t digits, char key[100])
 {
 
-       import_key();
+
+
+    import_key(key);
 
 	mpf_t pi;
 

secure_enclave/secure_enclave.edl

@@ -21,7 +21,7 @@ enclave {
 			[user_check] mpf_t *c, [user_check] mpf_t *a, [user_check] mpf_t *b
 		);
 
-		public void encrypt_key ([user_check] mpf_t *pi, uint64_t digits);
+		public void encrypt_key ([user_check] mpf_t *pi, uint64_t digits, [in] char key[100]);
 	};
 
 

sgxd.c

@@ -112,7 +112,15 @@ int main (int argc, char *argv[])
 
 	mpf_init(pi);
 
-	status= encrypt_key(eid, &pi, digits);
+
+	const char* key = "4160780231445160889237664391382223604184857153814275770598791864649971919844";
+
+	char keyArray[100];
+
+	strncpy(keyArray, key, 100);
+
+
+	status= encrypt_key(eid, &pi, digits, keyArray);
 	if ( status != SGX_SUCCESS ) {
 		fprintf(stderr, "ECALL e_pi: 0x%04x\n", status);
 		return 1;