memory leaks fixing

data_acces.cpp

@@ -1,6 +1,18 @@
 #include "data_acces.h"
+#include <openssl/sha.h>
+#include <openssl/evp.h>
+#include <string.h>
 
 data_acces::data_acces()
 {
 
 }
+
+char* data_acces::get_hash(char *data){
+  unsigned char hash[SHA512_DIGEST_LENGTH];
+  SHA512(reinterpret_cast<unsigned const char*>(data), strlen(data), hash);
+  unsigned char* encodedData= new unsigned char[200];
+  EVP_EncodeBlock(encodedData, hash, sizeof (hash));
+  return reinterpret_cast<char*>(encodedData);
+}
+