setting up vs

src/client_backend/md5hash.cpp

@@ -0,0 +1,36 @@
+#pragma warning(disable:4996)
+#include "md5hash.h"
+
+int md5_file(const char*path,char*md5Hash) {
+    std::ifstream file(path, std::ios::binary);
+
+    if (!file) {
+        std::cerr << "Error opening file." << std::endl;
+        return 1;
+    }
+
+    // Initialize OpenSSL's MD5 context
+    MD5_CTX md5Context;
+    MD5_Init(&md5Context);
+
+    // Read and update the context with the file's content
+    char buffer[1024];
+    while (file.good()) {
+        file.read(buffer, sizeof(buffer));
+        MD5_Update(&md5Context, buffer, file.gcount());
+    }
+
+    // Finalize the MD5 hash and store it in result
+    unsigned char result[MD5_DIGEST_LENGTH];
+    MD5_Final(result, &md5Context);
+
+    // Close the file
+    file.close();
+
+    // Store the MD5 hash in a char array
+    //char md5Hash[2 * MD5_DIGEST_LENGTH + 1]; // +1 for null-terminator
+
+    for (int i = 0; i < MD5_DIGEST_LENGTH; i++) {
+        snprintf(&md5Hash[i * 2], 3, "%02x", result[i]);
+    }
+}