Function get_actual_encrypted

libcppcryptfs/filename/cryptfilename.cpp:964–1001

}

bool
get_actual_encrypted(CryptContext *con, LPCWSTR FileName, string& actual_encrypted)
{
	
	wstring encrypted_name;

	if (!get_bare_filename(FileName, encrypted_name))
		return false;

	wstring base64_hash;

	if (extract_lfn_base64_hash(&encrypted_name[0], base64_hash)) {
		if (con->m_lfn_cache.lookup(&base64_hash[0], NULL, &actual_encrypted)) {
			return true;
		}
	}

	wstring dirpath;
	wstring decrypted_name;

	BYTE dir_iv[DIR_IV_LEN];

	if (!get_file_directory(FileName, dirpath))
		return false;

	if (!derive_path_iv(con, &dirpath[0], dir_iv, TYPE_DIRIV))
		return false;

	//encrypted_name = encrypted_name.substr(0, encrypted_name.length() - sizeof(LONGNAME_SUFFIX_W) / sizeof(WCHAR) - 1);

	if (!decrypt_filename(con, dir_iv, &dirpath[0], &encrypted_name[0], decrypted_name))
		return false;

	if (!encrypt_filename(con, dir_iv, &decrypted_name[0], encrypted_name, &actual_encrypted))
		return false;

	return true;
}

bool
get_bare_filename(LPCWSTR filepath, wstring& filename)