Function base64_length

encrypt-config/tests/ConfigFileEncryptorTests.cpp:27–29

namespace {
size_t base64_length(size_t unencoded_length) {
  return (unencoded_length + 2) / 3 * 4;
}

bool check_encryption(const ConfigFile& test_file, const std::string& property_name, size_t original_value_length) {
    utils::optional<std::string> encrypted_value = test_file.getValue(property_name);