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package cz.crcs.ectester.standalone;
import cz.crcs.ectester.common.Util;
import cz.crcs.ectester.applet.EC_Consts;
import cz.crcs.ectester.common.ec.EC_Curve;
import cz.crcs.ectester.data.EC_Store;
import org.apache.commons.cli.*;
import java.io.IOException;
/**
* Standalone part of ECTester, a tool for testing Elliptic curve implementations in software libraries.
*
* @author Jan Jancar johny@neuromancer.sk
* @version v0.1.0
*/
public class ECTesterStandalone {
private EC_Store dataStore;
private Config cfg;
private Options opts = new Options();
private static final String VERSION = "v0.1.0";
private static final String DESCRIPTION = "ECTesterStandalone " + VERSION + ", an Elliptic Curve Cryptography support tester/utility.";
private static final String LICENSE = "MIT Licensed\nCopyright (c) 2016-2017 Petr Svenda <petr@svenda.com>";
private static final String CLI_HEADER = "\n" + DESCRIPTION + "\n\n";
private static final String CLI_FOOTER = "\n" + LICENSE;
private void run(String[] args) {
try {
CommandLine cli = parseArgs(args);
if (cli.hasOption("help")) {
help();
return;
} else if (cli.hasOption("version")) {
version();
return;
}
cfg = new Config();
dataStore = new EC_Store();
if (cli.hasOption("generate")) {
generate();
}
} catch (ParseException | IOException ex) {
System.err.println(ex.getMessage());
}
}
private CommandLine parseArgs(String[] args) throws ParseException {
OptionGroup actions = new OptionGroup();
actions.setRequired(true);
actions.addOption(Option.builder("V").longOpt("version").desc("Print version info.").build());
actions.addOption(Option.builder("h").longOpt("help").desc("Print help.").build());
actions.addOption(Option.builder("g").longOpt("generate").desc("Generate [amount] of EC keys.").hasArg().argName("amount").optionalArg(true).build());
opts.addOptionGroup(actions);
CommandLineParser parser = new DefaultParser();
return parser.parse(opts, args);
}
/**
* Prints help.
*/
private void help() {
HelpFormatter help = new HelpFormatter();
help.setOptionComparator(null);
help.printHelp("ECTesterStandalone.jar", CLI_HEADER, opts, CLI_FOOTER, true);
}
/**
* Prints version info.
*/
private void version() {
System.out.println(DESCRIPTION);
System.out.println(LICENSE);
}
/**
*
*/
private void generate() {
EC_Curve curve = dataStore.getObject(EC_Curve.class, "secg/secp192r1");
byte[] fp = curve.getParam(EC_Consts.PARAMETER_FP)[0];
}
public static void main(String[] args) {
ECTesterStandalone app = new ECTesterStandalone();
app.run(args);
}
public static class Config {
}
}
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