Encryption#

Sumit Rawal answered on May 10, 2022 Popularity 10/10 Helpfulness 1/10

answer Encryption#

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Encryption#

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Encryption at rest is supported for MySQL, Oracle PostgreSQL, SQL Server, MariaDB, and Aurora. Encryption is done using the AWS key management Service (KMS) service. Once your RDS instance is encrypted, the data stored at rest in the underlying storage is encrypted as are its automated backups read replies and snapshots.

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Contributed on May 18 2023

Sumit Rawal

0 Answers Avg Quality 2/10

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class EncryptDecrypt {

    static String encrypt(String value) {
        try {
            IvParameterSpec iv = new IvParameterSpec(Constants.Encryption.INIT_VECTOR.getBytes(StandardCharsets.UTF_8));
            SecretKeySpec skeySpec = new
                    SecretKeySpec("PRIVATE_KEY_FOR_ENCRYPTION_OR_DECRYPTION"
                    .getBytes(StandardCharsets.UTF_8), "AES");

            Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5PADDING");
            cipher.init(Cipher.ENCRYPT_MODE, skeySpec, iv);

            byte[] encrypted = cipher.doFinal(value.getBytes());
            byte[] original = Base64.getEncoder().encode(encrypted);
            return new String(original);
        } catch (Exception ex) {
            ex.printStackTrace();
        }
        return null;
    }

    static String decrypt(String encrypted) {
        try {
            IvParameterSpec iv = new IvParameterSpec(Constants.Encryption.INIT_VECTOR
                    .getBytes(StandardCharsets.UTF_8));
            SecretKeySpec skeySpec = new SecretKeySpec("PRIVATE_KEY_FOR_ENCRYPTION_OR_DECRYPTION".
                    getBytes(StandardCharsets.UTF_8), "AES");

            Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5PADDING");
            cipher.init(Cipher.DECRYPT_MODE, skeySpec, iv);
            byte[] original = cipher.doFinal(Base64.getDecoder().decode(encrypted));
            return new String(original);
        } catch (Exception ex) {
            ex.printStackTrace();
        }

        return null;
    }

Popularity 10/10 Helpfulness 2/10 Language java

Source: stackoverflow.com

Tags: encryption e

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Contributed on May 10 2022

Repulsive Rook

0 Answers Avg Quality 2/10

encryption

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package com.javacodegeeks.snippets.core;
 
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.security.Security;
import java.security.spec.AlgorithmParameterSpec;
 
import javax.crypto.Cipher;
import javax.crypto.CipherInputStream;
import javax.crypto.CipherOutputStream;
import javax.crypto.KeyGenerator;
import javax.crypto.SecretKey;
import javax.crypto.spec.IvParameterSpec;
 
public class Main {
 
    static Cipher ce;
    static Cipher cd;
 
    public static void main(String args[]) throws Exception {
 
  Security.addProvider(new org.bouncycastle.jce.provider.BouncyCastleProvider());
 
  SecretKey skey = KeyGenerator.getInstance("DES").generateKey();
 
  byte[] initializationVector = new byte[]{0x10, 0x10, 0x01, 0x04, 0x01, 0x01, 0x01, 0x02};
 
  AlgorithmParameterSpec algParameters = new IvParameterSpec(initializationVector);
 
  ce = Cipher.getInstance("DES/CBC/PKCS5Padding");
 
  cd = Cipher.getInstance("DES/CBC/PKCS5Padding");
 
  ce.init(Cipher.ENCRYPT_MODE, skey, algParameters);
 
  cd.init(Cipher.DECRYPT_MODE, skey, algParameters);
 
  FileInputStream is = new FileInputStream("C:/Users/nikos7/Desktop/output.txt");
 
  FileOutputStream os = new FileOutputStream("C:/Users/nikos7/Desktop/output2.txt");
 
  int dataSize = is.available();
 
  byte[] inbytes = new byte[dataSize];
 
  is.read(inbytes);
 
  String str2 = new String(inbytes);
 
  System.out.println("Input file contentn" + str2 + "n");
 
  write_encode(inbytes, os);
 
  os.flush();
 
  is.close();
 
  os.close();
 
  System.out.println("Ecrypted Content to output2.txtn");
 
  is = new FileInputStream("C:/Users/nikos7/Desktop/output2.txt");
 
  byte[] decBytes = new byte[dataSize];
 
  read_decode(decBytes, is);
 
  is.close();
 
  String str = new String(decBytes);
 
  System.out.println("Decrypted file contents:n" + str);
 
    }
 
    public static void write_encode(byte[] bytes, OutputStream output) throws Exception {
 
  CipherOutputStream cOutputStream = new CipherOutputStream(output, ce);
 
  cOutputStream.write(bytes, 0, bytes.length);
 
  cOutputStream.close();
    }
 
    public static void read_decode(byte[] bytes, InputStream input) throws Exception {
 
  CipherInputStream cInputStream = new CipherInputStream(input, cd);
 
  int position = 0, i;
 
  while ((i = cInputStream.read()) != -1) {
 
bytes[position] = (byte) i;
 
position++;
 
  }
    }
}

Popularity 10/10 Helpfulness 1/10 Language java

Source: examples.javacodegeeks.com

Tags: encryption e

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Contributed on Aug 12 2022

Poor Pig

0 Answers Avg Quality 2/10

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