diff --git a/src/main/java/java2/koz01/lab13/KeyPairReader.java b/src/main/java/java2/koz01/lab13/KeyPairReader.java
deleted file mode 100644
index 8668b96ec84416d0fe53a0caeb13264d16cbce5a..0000000000000000000000000000000000000000
--- a/src/main/java/java2/koz01/lab13/KeyPairReader.java
+++ /dev/null
@@ -1,40 +0,0 @@
-package java2.koz01.lab13;
-
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.math.BigInteger;
-import java.nio.file.Files;
-import java.nio.file.Paths;
-import java.security.KeyFactory;
-import java.security.KeyPair;
-import java.security.NoSuchAlgorithmException;
-import java.security.spec.InvalidKeySpecException;
-import java.security.spec.RSAPrivateKeySpec;
-import java.security.spec.RSAPublicKeySpec;
-
-public class KeyPairReader {
-
- private KeyFactory factory;
-
- public KeyPairReader() throws NoSuchAlgorithmException {
- factory = KeyFactory.getInstance("rsa");
- }
-
- public KeyPair readKeys(String fileWithKeys) throws IOException,
- InvalidKeySpecException
- {
-//open file
-//Read first line-> modulus
-//...
-//create RSAPublicKeySpec
- try (BufferedReader br = Files.newBufferedReader(Paths.get(fileWithKeys))) {
- BigInteger modulus = new BigInteger(br.readLine());
- BigInteger publicExponent = new BigInteger(br.readLine());
- BigInteger privateExponent = new BigInteger(br.readLine());
- RSAPublicKeySpec pub = new RSAPublicKeySpec(modulus, publicExponent);
- RSAPrivateKeySpec pri = new RSAPrivateKeySpec(modulus, privateExponent);
- return new KeyPair(factory.generatePublic(pub), factory.generatePrivate(
- pri));
- }
- }
-}
diff --git a/src/main/java/java2/koz01/lab13/Lab13DecryptData.java b/src/main/java/java2/koz01/lab13/Lab13DecryptData.java
deleted file mode 100644
index 55dc0b5614cc5d31075dc2b03f9e9b98583e8c2e..0000000000000000000000000000000000000000
--- a/src/main/java/java2/koz01/lab13/Lab13DecryptData.java
+++ /dev/null
@@ -1,71 +0,0 @@
-
-package java2.koz01.lab13;
-
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.nio.ByteBuffer;
-import java.security.InvalidKeyException;
-import java.security.KeyPair;
-import java.security.NoSuchAlgorithmException;
-import java.security.spec.InvalidKeySpecException;
-
-import javax.crypto.BadPaddingException;
-import javax.crypto.Cipher;
-import javax.crypto.CipherInputStream;
-import javax.crypto.IllegalBlockSizeException;
-import javax.crypto.NoSuchPaddingException;
-import javax.crypto.spec.SecretKeySpec;
-
-import lombok.extern.log4j.Log4j2;
-
-@Log4j2
-public class Lab13DecryptData {
-
- public static void main(String[] args) throws InvalidKeySpecException,
- IOException, NoSuchAlgorithmException, NoSuchPaddingException,
- InvalidKeyException, IllegalBlockSizeException, BadPaddingException
- {
- if (args.length < 3) {
- log.error("Provide key_file input output");
- return;
- }
- KeyPairReader reader = new KeyPairReader();
- KeyPair kp = reader.readKeys(args[0]);
-
- try (InputStream is2 = new FileInputStream(args[1]);
- OutputStream os = new FileOutputStream(args[2]))
- {
-
- Cipher cipher = Cipher.getInstance("RSA");
- cipher.init(Cipher.DECRYPT_MODE, kp.getPrivate());
-
- byte[] data = new byte[256];
- is2.read(data);
-
- byte[] decoded = cipher.doFinal(data);
- ByteBuffer bb = ByteBuffer.wrap(decoded, 0, 4);
- int lenOfKey = bb.getInt();
- log.info("len: {}", lenOfKey);
-
- is2.read(data);
- decoded = cipher.doFinal(data);
- SecretKeySpec skc = new SecretKeySpec(decoded, 0, lenOfKey, "AES");
-
- cipher = Cipher.getInstance("AES");
- cipher.init(Cipher.DECRYPT_MODE, skc);
-
- try (CipherInputStream is = new CipherInputStream(is2, cipher)) {
- byte[] buffer = new byte[1024];
- int len;
- while (-1 != (len = is.read(buffer))) {
- os.write(buffer, 0, len);
- log.info("writed data: {}", len);
- }
- }
- }
- }
-
-}
diff --git a/src/main/java/java2/koz01/lab13/Lab13EncryptData.java b/src/main/java/java2/koz01/lab13/Lab13EncryptData.java
deleted file mode 100644
index a3f7069f2dc9799e4a326719cdea43b3beedc1b1..0000000000000000000000000000000000000000
--- a/src/main/java/java2/koz01/lab13/Lab13EncryptData.java
+++ /dev/null
@@ -1,69 +0,0 @@
-package java2.koz01.lab13;
-
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.nio.ByteBuffer;
-import java.security.InvalidKeyException;
-import java.security.KeyPair;
-import java.security.NoSuchAlgorithmException;
-import java.security.spec.InvalidKeySpecException;
-
-import javax.crypto.BadPaddingException;
-import javax.crypto.Cipher;
-import javax.crypto.CipherOutputStream;
-import javax.crypto.IllegalBlockSizeException;
-import javax.crypto.KeyGenerator;
-import javax.crypto.NoSuchPaddingException;
-import javax.crypto.SecretKey;
-import javax.crypto.spec.SecretKeySpec;
-
-import lombok.extern.log4j.Log4j2;
-
-@Log4j2
-public class Lab13EncryptData {
-
- public static void main(String[] args) throws InvalidKeySpecException,
- IOException, NoSuchAlgorithmException, NoSuchPaddingException,
- InvalidKeyException, IllegalBlockSizeException, BadPaddingException
- {
- if (args.length < 3) {
- log.error("Provide key_file input output");
- return;
- }
- KeyPairReader reader = new KeyPairReader();
- KeyGenerator kg = KeyGenerator.getInstance("AES");
- kg.init(256);
- KeyPair kp = reader.readKeys(args[0]);
-
- SecretKey sk = kg.generateKey();
- SecretKeySpec skc = new SecretKeySpec(sk.getEncoded(), "AES");
-
-
- try(InputStream is = new FileInputStream(args[1]);
- OutputStream os2 = new FileOutputStream(args[2]))
- {
-
-
- Cipher cipher = Cipher.getInstance("RSA");
- cipher.init(Cipher.ENCRYPT_MODE, kp.getPublic());
- os2.write(cipher.doFinal(ByteBuffer.allocate(4).putInt(skc
- .getEncoded().length).array()));
- os2.write(cipher.doFinal(skc.getEncoded()));
-
-
- cipher = Cipher.getInstance("AES");
- cipher.init(Cipher.ENCRYPT_MODE, sk);
- try (CipherOutputStream os = new CipherOutputStream(os2, cipher)) {
- byte[] buffer = new byte[1024];
- int len;
- while (-1 != (len = is.read(buffer))) {
- os.write(buffer, 0, len);
- }
- }
- }
- }
-
-}
diff --git a/src/main/java/java2/koz01/lab13/Lab13GenerateKeys.java b/src/main/java/java2/koz01/lab13/Lab13GenerateKeys.java
deleted file mode 100644
index caa8816b25955a382816672df490e393bba7676c..0000000000000000000000000000000000000000
--- a/src/main/java/java2/koz01/lab13/Lab13GenerateKeys.java
+++ /dev/null
@@ -1,56 +0,0 @@
-package java2.koz01.lab13;
-
-import java.io.BufferedWriter;
-import java.io.IOException;
-import java.nio.file.Files;
-import java.nio.file.Paths;
-import java.security.KeyFactory;
-import java.security.KeyPair;
-import java.security.KeyPairGenerator;
-import java.security.NoSuchAlgorithmException;
-import java.security.spec.InvalidKeySpecException;
-import java.security.spec.RSAPrivateKeySpec;
-import java.security.spec.RSAPublicKeySpec;
-
-import lombok.extern.log4j.Log4j2;
-
-@Log4j2
-public class Lab13GenerateKeys {
-
- public static void main(String[] args) throws NoSuchAlgorithmException,
- InvalidKeySpecException, IOException
- {
-
- if (args.length <= 0) {
- log.error("Provide name of file for output");
- return;
- }
- KeyPairGenerator keyGenerator = KeyPairGenerator.getInstance("rsa");
- keyGenerator.initialize(2048);
-
- KeyPair kp = keyGenerator.generateKeyPair();
-
- KeyFactory kf = KeyFactory.getInstance("rsa");
-
-
-
- RSAPublicKeySpec publicKeySpec = kf.getKeySpec(kp.getPublic(),
- RSAPublicKeySpec.class);
-
- RSAPrivateKeySpec privateKeySpec = kf.getKeySpec(kp.getPrivate(),
- RSAPrivateKeySpec.class);
-
- log.info("public modulus:{}, public exponent: {}\n {", publicKeySpec
- .getModulus(), publicKeySpec.getPublicExponent());
- log.info("private modulus:{}, private exponent: {}\n {", privateKeySpec
- .getModulus(), privateKeySpec.getPrivateExponent());
- try (BufferedWriter bw = Files.newBufferedWriter(Paths.get(args[0]))) {
- bw.write(publicKeySpec.getModulus().toString());
- bw.newLine();
- bw.write(publicKeySpec.getPublicExponent().toString());
- bw.newLine();
- bw.write(privateKeySpec.getPrivateExponent().toString());
- bw.newLine();
- }
- }
-}