fix arg_change

source/arg_func.cpp

@@ -287,7 +287,7 @@ void arg_change(Buffer &decrypted_buffer, Buffer &encrypted_buffer, std::string
 		return;
 	}
 
-	crypto.generate_key_and_iv_from_password(new_string.c_str(), new_string.size());
+	crypto.change_pass(new_string);
 	crypto.encrypt(&decrypted_buffer, &encrypted_buffer);
 	encrypted_buffer.save_to_file();
 	printf("Password changed\n");

source/cryptography.cpp

@@ -16,6 +16,11 @@ Cryptography::~Cryptography()
 {
 }
 
+void Cryptography::change_pass(std::string password)
+{
+	key = password;
+}
+
 bool Cryptography::encrypt(Buffer *plain, Buffer *encrypted)
 {
 	ByteArray in(plain->buffer, plain->buffer + plain->taken);