private final String serviceName; // Internally used session name.
private final boolean useExecutor; // Whether this VcService uses ThreadPoolExecutor.
private final int timeoutMillis; // HTTP timeout
private ThumbprintVerifier getThumbprintVerifier() {
return new ThumbprintVerifier() {
@Override
public Result verify(String thumbprint) {
if (thumbprint.equalsIgnoreCase(vcThumbprint)) {
return Result.MATCH;
} else {