From 07c6114a266a67abd404bac8703c1a17e035d69d Mon Sep 17 00:00:00 2001
From: Thomas Lenz <tlenz@iaik.tugraz.at>
Date: Wed, 17 Feb 2016 07:00:09 +0100
Subject: remove STORK code --> MOA-ID >= 3.2 only supports eIDAS protocol

---
 .../documentservice/utils/EncryptionHelper.java    | 182 ---------------------
 1 file changed, 182 deletions(-)
 delete mode 100644 DocumentService/src/eu/stork/documentservice/utils/EncryptionHelper.java

(limited to 'DocumentService/src/eu/stork/documentservice/utils/EncryptionHelper.java')

diff --git a/DocumentService/src/eu/stork/documentservice/utils/EncryptionHelper.java b/DocumentService/src/eu/stork/documentservice/utils/EncryptionHelper.java
deleted file mode 100644
index 1c55e59e3..000000000
--- a/DocumentService/src/eu/stork/documentservice/utils/EncryptionHelper.java
+++ /dev/null
@@ -1,182 +0,0 @@
-package eu.stork.documentservice.utils;
-
-import java.io.ByteArrayInputStream;
-import java.io.InputStream;
-import java.security.AlgorithmParameters;
-import java.security.PublicKey;
-import java.security.cert.CertificateFactory;
-import java.security.cert.X509Certificate;
-
-import javax.crypto.*;
-import javax.crypto.spec.IvParameterSpec;
-import javax.crypto.spec.SecretKeySpec;
-
-import com.sun.org.apache.xml.internal.security.utils.Base64;
-
-import eu.stork.documentservice.exceptions.EncryptionException;
-
-public class EncryptionHelper {
-	
-	private static String key;
-	private static String iv;
-	private static Cipher cipher;
-	
-	public EncryptionHelper() throws EncryptionException
-	{
-		this.generateKeys();
-	}
-	
-	public EncryptionHelper(String inKey, String inIv) throws EncryptionException
-	{
-		this.initKeys(inKey, inIv);
-	}
-	
-	/**
-	 * Generate new symmetric keys
-	 * @throws EncryptionException
-	 */
-	public void generateKeys() throws EncryptionException
-	{
-		try 
-		{
-			KeyGenerator keyGen = KeyGenerator.getInstance("AES");
-			keyGen.init(256);
-			SecretKey secretKey = keyGen.generateKey();
-			cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
-			cipher.init(Cipher.ENCRYPT_MODE, secretKey);
-			AlgorithmParameters params = cipher.getParameters();
-			key = Base64.encode(secretKey.getEncoded());
-			iv = Base64.encode(params.getParameterSpec(IvParameterSpec.class).getIV());
-		} 
-		catch (Exception e) 
-		{				
-			e.printStackTrace();
-			throw new EncryptionException("Unable to generate encryption key.", e);
-		}		
-	}
-	
-	/**
-	 * Initialize keys with specified keys
-	 * @param inKey the key to use
-	 * @param inIv the IV to use
-	 * @throws EncryptionException the exception thrown
-	 */
-	public void initKeys(String inKey, String inIv) throws EncryptionException
-	{
-		try 
-		{
-			key = inKey;
-			iv = inIv;
-			SecretKeySpec skeySpec = new SecretKeySpec(Base64.decode(inKey), "AES");
-			cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
-			cipher.init(Cipher.DECRYPT_MODE, skeySpec, new IvParameterSpec(Base64.decode(inIv)));
-		} 
-		catch (Exception e) 
-		{				
-			e.printStackTrace();
-			throw new EncryptionException("Unable to initialize encryption key.", e);
-		}		
-	}
-	
-	/**
-	 * Encrypt data with key
-	 * @param clearData the clear data
-	 * @return the encrypted data
-	 * @throws EncryptionException the exception thrown
-	 */
-	public byte[] encrypt(byte[] clearData) throws EncryptionException
-	{		
-		if (clearData != null)
-		{
-			try
-			{
-				return cipher.doFinal(clearData);
-			}
-			catch (Exception ex)
-			{
-				throw new EncryptionException("Could not decrypt data.", ex);
-			}
-		}
-		else
-			throw new EncryptionException("Clear data is null.");
-	}
-	
-	/**
-	 * Decrypt data with keys
-	 * @param encData the encrypted data
-	 * @return decrypted data
-	 * @throws EncryptionException the exception thrown
-	 */
-	public byte[] decrypt(byte[] encData) throws EncryptionException
-	{
-		if (encData != null)
-		{
-			try
-			{
-				return cipher.doFinal(encData);
-			}
-			catch (Exception ex)
-			{
-				throw new EncryptionException("Could not encrypt data.", ex);
-			}
-		}
-		else
-			throw new EncryptionException("Encrypted data is null.");
-	}
-	
-	/**
-	 * Get the key string
-	 * @return the key
-	 */
-	public String getKey()
-	{
-		return key;
-	}
-	
-	/**
-	 * Get the IV string
-	 * @return the iv
-	 */
-	public String getIv()
-	{
-		return iv; 
-	}
-	
-	/**
-	 * Encrypt string with certificate
-	 * @param certString the PEM formated certificate
-	 * @param input the string to encrypt
-	 * @return encrypted string
-	 * @throws EncryptionException the exception thrown
-	 */
-	public String encryptWithCert(String certString, String input) throws EncryptionException
-	{
-		if (certString != null && !certString.isEmpty())
-		{
-			if (input != null && !input.isEmpty())
-			{
-				try {					
-					certString = certString.replace("-----BEGIN CERTIFICATE-----", "");
-					certString = certString.replace("-----END CERTIFICATE-----", "");
-					InputStream inStream = new ByteArrayInputStream(Base64.decode(certString));
-					CertificateFactory cf = CertificateFactory.getInstance("X.509");
-					X509Certificate cert = (X509Certificate)cf.generateCertificate(inStream);
-					PublicKey pk = cert.getPublicKey();
-					Cipher rsaCipher = Cipher.getInstance("RSA/ECB/PKCS1Padding");
-					rsaCipher.init(Cipher.ENCRYPT_MODE, pk);
-					byte[] encrypted = rsaCipher.doFinal(input.getBytes("UTF-8"));
-					return Base64.encode(encrypted);
-				} 
-				catch (Exception e) {
-					e.printStackTrace();
-					throw new EncryptionException("Unabled to encrypt string.", e);
-				}
-			}
-			else
-				throw new EncryptionException("Input is null or empty.");
-		}
-		else
-			throw new EncryptionException("Certificate is null or empty.");
-	}
-	
-}
-- 
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