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* refactoring

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Signed-off-by: CubeBit <denis-seredenko@ukr.net>
This commit is contained in:
Denys Seredenko
2023-08-02 14:29:56 +02:00
parent 251532493f
commit fe3a0820cf
7 changed files with 57 additions and 33 deletions
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11
server/src/main/java/org/orinprojects/Server.java
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@@ -13,20 +13,21 @@ import java.security.PublicKey;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadPoolExecutor;
public class Server {
public static List<ClientHandler> clients = new ArrayList<>();
static List<ClientHandler> clients = new ArrayList<>();
public static HashMap<String, PublicKey> clientKeys = new HashMap<>();
static Map<String, PublicKey> clientKeys = new HashMap<>();
public static ThreadPoolExecutor executor = (ThreadPoolExecutor) Executors.newFixedThreadPool(20);
static ThreadPoolExecutor executor = (ThreadPoolExecutor) Executors.newFixedThreadPool(20);
public static KeyPair serverKeys;
static KeyPair serverKeys;
public static SecretKey aesKey;
static SecretKey aesKey;
public static void main(String[] args) throws IOException, ArgumentsException, NoSuchAlgorithmException {
Server.serverKeys = EncryptionUtil.generateRSAKeys();

12
server/src/main/java/org/orinprojects/encryption/EncryptionUtil.java
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@@ -10,13 +10,17 @@ import java.util.Base64;
public class EncryptionUtil {
public static final int rsaKeySize = 4096;
public static final int RSA_KEY_SIZE = 4096;
public static final int aesKeySize = 256;
public static final int AES_KEY_SIZE = 256;
private EncryptionUtil() throws IllegalAccessException {
throw new IllegalAccessException("Can't be instantiated");
}
public static KeyPair generateRSAKeys() throws NoSuchAlgorithmException {
KeyPairGenerator generator = KeyPairGenerator.getInstance("RSA");
generator.initialize(rsaKeySize);
generator.initialize(RSA_KEY_SIZE);
return generator.generateKeyPair();
}
@@ -64,7 +68,7 @@ public class EncryptionUtil {
public static SecretKey generateAESKey() throws NoSuchAlgorithmException {
KeyGenerator keyGenerator = KeyGenerator.getInstance("AES");
keyGenerator.init(aesKeySize);
keyGenerator.init(AES_KEY_SIZE);
return keyGenerator.generateKey();
}