org.fisco.bcos.web3j.crypto.gm.GenGmAccount Maven / Gradle / Ivy
package org.fisco.bcos.web3j.crypto.gm;
import org.fisco.bcos.web3j.crypto.ECKeyPair;
import org.fisco.bcos.web3j.crypto.gm.sm3.SM3Digest;
import org.fisco.bcos.web3j.utils.Numeric;
import java.math.BigInteger;
public class GenGmAccount {
public static void main(String[] args) throws Exception {
if (args.length < 1) {
Usage();
return;
}
String opType = args[0];
if(opType.equalsIgnoreCase("load")) {
if(args.length < 2) {
Usage();
return;
}
LoadGuoMiKeyInfo(args[1]);
}
else if(opType.equalsIgnoreCase("genkey")) {
String keyFile = "key.info";
if(args.length > 1)
keyFile = args[1];
GenGuoMiKeyAndStore(keyFile);
}
else {
System.out.println("UNKOWN OPTION");
Usage();
}
}
private static void Usage() {
System.out.println("----Usage of GenGmAccount:");
System.out.println("-------------------------------------------------------------------------------");
System.out.println("==== load key information from specified file ====");
System.out.println("java cp \'conf/:apps/*:lib/*\' org.bcos.contract.tools.GenGmAccount load ${keyFile}");
System.out.println("");
System.out.println("==== generate guomi private key/public key/account, store into specified file, default is key.info=======");
System.out.println("java cp \'conf/:apps/*:lib/*\' org.bcos.contract.tools.GenGmAccount genkey ${keyFile}");
System.out.println("-------------------------------------------------------------------------------");
}
/**
* @author: fisco-dev
* @function: load private/public key from specified file
* @param keyFile:
* file name that contains private/public/account info
*/
private static void LoadGuoMiKeyInfo(String keyFile) {
KeyInfo keyInfo = new KeyInfo();
int ret = keyInfo.loadKeyInfo(keyFile);
if (ret == RetCode.success)
System.out.println("=== LOAD GUOMI KEY INFO FROM " + keyFile + " SUCCESS ===");
else
System.out.println("xxx LOAD GUOMI KEY INFO FROM " + keyFile + " FAILED xxx");
}
/**
* @author: fisco-dev
* @function: generate private/public key with GuoMi algorithm
* @param keyFile:
* file name used to store private/public/account info
*/
private static void GenGuoMiKeyAndStore(String keyFile) {
System.out.println("-------------------------------------------------------------------------------");
System.out.println("==========Generate (private key, public key, account) For Guomi randomly =======");
ECKeyPair keyPair = GenCredential.createGuomiKeyPair();
if (keyPair != null) {
// deduce account according to public key
String account = deduceAccountFromPublic(keyPair.getPublicKey());
while(account == null || keyPair == null ) {
keyPair = GenCredential.createGuomiKeyPair();
account = deduceAccountFromPublic(keyPair.getPublicKey());
}
System.out.println("===Generated Account:");
System.out.println("* public key:" + ( keyPair.getPublicKey().toString(16)));
System.out.println("* private key :" + (keyPair.getPrivateKey().toString(16)));
System.out.println("* account :" + account);
// save private/public/account result
System.out.println("");
System.out.println("==== SAVE PRIVATE/PUBLIC/ACCOUNT INFO ===");
KeyInfo keyInfo = new KeyInfo( keyPair.getPublicKey().toString(16),
keyPair.getPrivateKey().toString(16), account);
int result = keyInfo.storeKeyInfo(keyFile);
if (result != RetCode.success)
System.out.println("xxx STORE PRIVATE/PUBLIC/ACCOUNT INFO FAILED xxx");
else
System.out.println("=== STORE PIVATE/PUBLIC/ACCOUNT SUCCEED ===");
System.out.println("-------------------------------------------------------------------------------");
} else {
System.out.println("==== generate private/public key with GuoMi algorithm failed ====");
}
}
private static String deduceAccountFromPublic(BigInteger publicKey) {
try {
SM3Digest sm3Digest = new SM3Digest();
System.out.println("===GEN COUNT :" + publicKey.toString(16));
String publicKeyNoPrefix = Numeric.cleanHexPrefix(publicKey.toString(16));
String hashSM3String = sm3Digest.hash(publicKeyNoPrefix);
String account = hashSM3String.substring(24);
return "0x" + account;
} catch(Exception e) {
System.out.println("DeduceAccountFromPublic failed, error message:" + e.getMessage());
return null;
}
}
}