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Step 1 :
> sudo su
> vi /etc/postgresql/10/main/postgresql.conf
#listen_addresses = 'localhost'to listen_addresses = '*'
>vi /etc/postgresql/10/main/pg_hba.conf
# IPv4 local connections:host all all 127.0.0.1/32 md5
tohost all all 0.0.0.0/0 md5
>sudo ufw allow 5432/tcp>sudo systemctl restart postgresql
>psql -h localhost -d databasename -U userrolename ...enterpasswordfor-userrolename
Java
package com.security;
import java.util.Base64;
import javax.crypto.Cipher;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
/**
* @author drvijay
* @date 13-0ct-2021
*/
public class EncryptDecrypt
{
private static String encrypt ( String data, String cipherType, String key, String iv )
{
String encrypted = "";
try
{
Cipher encryptionCipher = Cipher.getInstance ( cipherType );
IvParameterSpec ivv = new IvParameterSpec ( iv.getBytes ( "UTF-8" ), 0, encryptionCipher.getBlockSize () );
encryptionCipher.init ( Cipher.ENCRYPT_MODE, new SecretKeySpec ( key.getBytes (), "AES" ), ivv );
// encrypt
byte [] cipherText = encryptionCipher.doFinal ( data.getBytes () );
encrypted = new String ( Base64.getEncoder ().encode ( cipherText ) );
}
catch ( Exception e )
{
throw new IllegalStateException ( e );
}
return encrypted;
}
private static String decrypt ( String encryptData, String cipherType, String key, String iv )
{
String decrypted = "";
try
{
Cipher decryptionCipher = Cipher.getInstance ( cipherType );
IvParameterSpec ivv = new IvParameterSpec ( iv.getBytes ( "UTF-8" ), 0, decryptionCipher.getBlockSize () );
SecretKeySpec secretKeySpec = new SecretKeySpec ( key.getBytes (), "AES" );
decryptionCipher.init ( Cipher.DECRYPT_MODE, secretKeySpec, ivv );
// decrypt
byte [] finalCipherText = decryptionCipher.doFinal ( Base64.getDecoder ().decode ( encryptData ) );
// converting to string
String finalDecryptedValue = new String ( finalCipherText );
decrypted = finalDecryptedValue;
}
catch ( Exception e )
{
throw new IllegalStateException ( e );
}
return decrypted;
}
public static void main ( String [] args )
{
String cipherType = "AES/CTR/NoPadding";
String valueToEncrypt = "hello, vijay";
String key = "0123456789abcdef";
String iv = "2208250639374785";
String encrypted = encrypt ( valueToEncrypt, cipherType, key, iv );
String decrypted = decrypt ( encrypted, cipherType, key, iv );
//System.out.println(Base64.getDecoder ().decode ( "ycbnIE8vn2lTUi/9F/FEa+5v86qzOU09yjdxfGDc8wA=" ));
// END OF ENCODE CODE
System.out.println ( "encrypted and saved as Base64 : " + encrypted );
System.out.println ( "decrypted from Base64->aes128 : " + decrypted );
// END OF DECRYPT CODE
}
}
PHP code
<!DOCTYPE html>
<html>
<body>
<?php
$simple_string = "hello, vijay";
echo ($simple_string .'<br/>');
$ciphering = 'AES-128-CTR';
$iv_length = openssl_cipher_iv_length($ciphering);
$options = 0;
// Non-NULL Initialization Vector for encryption
$iv = '2208250639374785';
$key = '0123456789abcdef';
$encryption = openssl_encrypt($simple_string, $ciphering,
$key, $options, $iv);
echo($encryption .'<br/>');
$decryption=openssl_decrypt ($encryption, $ciphering,
$key, $options, $iv);
echo($decryption .'<br/>');
?>
</body>
</html>
package com.product.zilly;
import java.io.File;
import java.util.Map;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* @author drvijay
* @description img class
* @version 1.0
*/
@SuppressWarnings ("all")
public class TestModules implements Constants
{
private static final Logger logger = LoggerFactory.getLogger ( TestModules.class );
public static void main ( String args[] )
{
ImageHelper imageHelper = new ImageHelper ();
String renditionPath = "/home/drvijay/images";
String rendtionPathCategory = "/home/drvijay/images";
String startingMainPath = renditionPath + PATH_SEPARATOR + SkuRendition.main;
String startingCategoryMainPath = rendtionPathCategory + PATH_SEPARATOR + SkuRendition.main; // for category images main path
imageHelper.loadSkuImageProperties ();
boolean imageOverride = false;
File rotated = null;
File file = new File ( startingMainPath + PATH_SEPARATOR + "sample.png" );
if ( file.isFile () && file.exists () )
{
Map <SkuRendition, Map <Resolution, DimInfo>> dimensions = imageHelper.getAllDimensions ();
logger.debug ( dimensions.toString () );
for ( SkuRendition skuRendition : dimensions.keySet () )
{
try
{
Map <Resolution, DimInfo> resolutions = dimensions.get ( skuRendition );
for ( Resolution resolution : resolutions.keySet () )
{
DimInfo dimInfo = resolutions.get ( resolution );
File isExist = new File ( renditionPath + PATH_SEPARATOR + skuRendition.name () + PATH_SEPARATOR + resolution.name () + UNDER_SCORE + file.getName () );
if ( ( imageOverride && isExist.isFile () && isExist.exists () ) || ( !isExist.isFile () && !isExist.exists () ) )
{
rotated = imageHelper.processImage ( file, imageHelper.getOutputDir ( renditionPath, skuRendition.name () ), dimInfo, resolution.name () );
logger.debug ( "Generated : " + rotated.getAbsolutePath () );
}
}
}
catch ( Exception e )
{
logger.error ( "Error : " + e );
}
finally
{
/*
* if ( rotated != null )
* {
* rotated.delete ();
* }
*/
}
}
}
}
}
//Iamge Process
public File processImage ( File inFile, File outputDir, DimInfo dimInfo, String resolution ) throws Exception
{
String fileName = resolution + UNDER_SCORE + inFile.getName ();
// String fileNameWithOutExt = FilenameUtils.removeExtension(fileName);
// String fileNameExt = FilenameUtils.getExtension ( fileName );
// check for windows and set the image magick home manually to avoid error.
String OS = System.getProperty ( "os.name" ).toLowerCase ();
if ( ( OS.indexOf ( "win" ) >= 0 ) )
{
// linux - "/usr/lib/mime/packages/imagemagick-6.q16";
String myPath = "C:/Program Files/ImageMagick-6.9.2-Q16"; // globalMaster.getSystemProperties ().get ( KEY_PATH_HOME_IMAGE_MAGICK ).getValue ();
ProcessStarter.setGlobalSearchPath ( myPath );
}
ConvertCmd convert = new ConvertCmd ();
IMOperation operation = new IMOperation ();
String input = inFile.getAbsolutePath ();
int tmbWidth = dimInfo.getWidth ();
int tmbHeight = dimInfo.getHeight ();
operation.addImage ( input );
operation.gravity ( LocalProperties.getPropertyValue ( "render.image.gravity" ) );
operation.thumbnail ( tmbHeight, tmbWidth );
operation.units ( LocalProperties.getPropertyValue ( "render.image.units" ) );
operation.density ( Integer.parseInt ( LocalProperties.getPropertyValue ( "render.image.density" ) ) );
operation.strip ();
operation.interlace ( LocalProperties.getPropertyValue ( "render.image.interlace" ) );
operation.gaussianBlur ( Double.parseDouble ( LocalProperties.getPropertyValue ( "render.image.gaussian.blur" ) ) );
operation.quality ( Double.parseDouble ( LocalProperties.getPropertyValue ( "render.image.quality" ) ) );
File retVal = new File ( outputDir, fileName );
operation.addImage ( retVal.getAbsolutePath () );
convert.run ( operation );
logger.debug ( "Preview file: " + retVal.getAbsolutePath () );
return retVal;
}
#These are the steps required in order to Install ImageMagick with JPG, PNG and TIFF delegates.
sudo apt-get update
#Install Build-Essential in order to configure and make the final Install
sudo apt-get install build-essential
#libjpg62-dev required in order to work with basic JPG files
sudo apt-get install -y libjpeg62-dev
#libtiff-dev is required in order to work with TIFF file format
sudo apt-get install -y libtiff-dev
#libpng-dev required in order to work with basic PNG files
sudo apt-get install -y libpng-dev
#Download ImageMagick
wget https://www.imagemagick.org/download/ImageMagick.tar.gz
#Untar Imagemagick
tar xvzf ImageMagick.tar.gz
#Access the working directory
cd ImageMagick-[version_number]
#Configure and make sure to disable the "shared" option
./configure --disable-shared
#Make
sudo make
#Install
sudo make install
#Final Check
sudo make check
