init, thx MrExtremez

This commit is contained in:
Nicola Paolucci
2019-06-18 15:04:35 -04:00
commit ea51313125
2488 changed files with 150207 additions and 0 deletions
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package redone.net.rsa;
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.math.BigInteger;
import java.security.KeyFactory;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.spec.RSAPrivateKeySpec;
import java.security.spec.RSAPublicKeySpec;
/**
* A class to generate a simple 1024 bit RSA pair
* @author Nikki
*/
public class RSAKeyGen {
public static void main(String[] args) {
try {
KeyFactory factory = KeyFactory.getInstance("RSA");
KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA");
keyGen.initialize(1024);
KeyPair keypair = keyGen.genKeyPair();
PrivateKey privateKey = keypair.getPrivate();
PublicKey publicKey = keypair.getPublic();
RSAPrivateKeySpec privSpec = factory.getKeySpec(privateKey, RSAPrivateKeySpec.class);
writeKey("rsapriv", privSpec.getModulus(), privSpec.getPrivateExponent());
RSAPublicKeySpec pubSpec = factory.getKeySpec(publicKey, RSAPublicKeySpec.class);
writeKey("rsapub", pubSpec.getModulus(), pubSpec.getPublicExponent());
} catch(Exception e) {
e.printStackTrace();
}
}
public static void writeKey(String file, BigInteger modulus, BigInteger exponent) {
try {
BufferedWriter writer = new BufferedWriter(new FileWriter(file));
writer.write("private static final BigInteger RSA_MODULUS = new BigInteger(\""+modulus.toString()+"\");");
writer.newLine();
writer.newLine();
writer.write("private static final BigInteger RSA_EXPONENT = new BigInteger(\""+exponent.toString()+"\");");
writer.newLine();
writer.flush();
writer.close();
} catch(Exception e) {
e.printStackTrace();
}
}
}
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private static final BigInteger RSA_MODULUS = new BigInteger("91553247461173033466542043374346300088148707506479543786501537350363031301992107112953015516557748875487935404852620239974482067336878286174236183516364787082711186740254168914127361643305190640280157664988536979163450791820893999053469529344247707567448479470137716627440246788713008490213212272520901741443");
private static final BigInteger RSA_EXPONENT = new BigInteger("33280025241734061313051117678670856264399753710527826596057587687835856000539511539311834363046145710983857746766009612538140077973762171163294453513440619295457626227183742315140865830778841533445402605660729039310637444146319289077374748018792349647460850308384280105990607337322160553135806205784213241305");
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private static final BigInteger RSA_MODULUS = new BigInteger("91553247461173033466542043374346300088148707506479543786501537350363031301992107112953015516557748875487935404852620239974482067336878286174236183516364787082711186740254168914127361643305190640280157664988536979163450791820893999053469529344247707567448479470137716627440246788713008490213212272520901741443");
private static final BigInteger RSA_EXPONENT = new BigInteger("65537");