Encryption and Decryption test

• Encryption process on Android

        ConfigManager.init("jar://jdigidoc.cfg");
	Log.d("despues de:", "ConfigManager.init");
    	
    	/** signed doc object if used */
    	SignedDoc m_sdoc;
    	m_sdoc = null;

    	/** encrypted data object if used */
    	EncryptedData m_cdoc;
    	m_cdoc = null;
    	
    	String inFile = null, outFile = null;
    	String certFile = null;
    	String recipient = null;
    	String keyName = null;
    	String carriedKeyName = null;
    	String sId = null;	
    		
    	inFile = str;
    	
    	
    	outFile = "cifrado.cdoc";
    	
    	certFile = "/mnt/sdcard/chespirito.crt";
    
    	
    	// agregar el destinatario
    	try {
    		if (m_cdoc == null){
    			Log.d("m_cdoc == null", "-");
    			m_cdoc = new EncryptedData(null, null, null, EncryptedData.DENC_XMLNS_XMLENC, EncryptedData.DENC_ENC_METHOD_AES128);
    		}
    		Log.d("Adding recipient", certFile);
    		X509Certificate recvCert = SignedDoc.readCertificate(new File(certFile));
    		if (recvCert != null && recipient == null)
    			recipient = SignedDoc.getCommonName(recvCert.getSubjectDN().getName());
    		Log.d("Recipient", recipient);
    		if (sId == null){
    			int n = m_cdoc.getNumKeys() + 1;
    			sId = "ID" + n;
    			
    		}
    		
    		EncryptedKey ekey = new EncryptedKey(sId, recipient, EncryptedData.DENC_ENC_METHOD_RSA1_5, keyName, carriedKeyName, recvCert);
    		m_cdoc.addEncryptedKey(ekey);
    		   		
    		
    	}catch(Exception e){
    		Log.d("Error adding EncryptedKey: ", e.getMessage());
    		Toast.makeText(getApplicationContext(), e.getMessage(), Toast.LENGTH_SHORT).show();
    	}
    	
    	// ejecutar el cifrado
    	try {
    		Log.d("Encrypting file:", inFile + " to: " + outFile);
    		File fIn = new File(inFile);
    		// create a ddoc intermediate file
    		m_sdoc = new SignedDoc(SignedDoc.FORMAT_DIGIDOC_XML, SignedDoc.VERSION_1_3);
    		
    		Log.d("Encrypting file:", "paso new SignedDoc");
    		
    		DataFile df = m_sdoc.addDataFile(new File(inFile), SignedDoc.xmlns_digidoc13, DataFile.CONTENT_EMBEDDED_BASE64);
    		    		
    		Log.d("Encrypting file:", "paso addDataFile");
    		
    		
    		byte[] data = SignedDoc.readFile(new File(inFile));
    		
    		Log.d("Encrypting file:", "paso readFile");
    		
    		df.setBase64Body(data);
    		
    		Log.d("Encrypting file:", "paso setBase64Body");
    		
    		byte[] inData = m_sdoc.toXML().getBytes("UTF-8");
    		
    		Log.d("Encrypting file:", "paso toXML()");
    		
    		Log.d("Encrypting file", "Content: " + inFile + " size: " + data.length);
    		Log.d("Encrypting file", "DF: " + new String(inData));
    		
    		m_cdoc.setData(inData);
    		m_cdoc.setDataStatus(EncryptedData.DENC_DATA_STATUS_UNENCRYPTED_AND_NOT_COMPRESSED);
    		m_cdoc.addProperty(EncryptedData.ENCPROP_FILENAME, inFile + ".ddoc");
    		m_cdoc.setMimeType(EncryptedData.DENC_ENCDATA_TYPE_DDOC);
    		StringBuffer sb = new StringBuffer();
    		sb.append(fIn.getName());
    		sb.append("|");
    		sb.append(new Long(fIn.length()).toString() + " B|");
    		sb.append("application/unknown|");
    		sb.append("/" + fIn.getName());
    		m_cdoc.addProperty(EncryptedData.ENCPROP_ORIG_FILE, sb.toString());
    		//m_cdoc.addProperty(EncryptedData.ENCPROP_ORIG_SIZE, new Long(inData.length).toString());
    		
    		int nCompressOption = 0;
    		
    		m_cdoc.encrypt(nCompressOption);
    		
    		
    		// genera el archivo cifrado en /data/data/ve.gob.cenditel/files
    		FileOutputStream fos = openFileOutput(outFile, Context.MODE_PRIVATE);
    		
    		Log.d("Encrypting file", "antes de escribir archivo " + outFile);
    		
    		fos.write(m_cdoc.toXML());
    		
    		Log.d("Encrypting file", "despues de escribir archivo " + outFile);
    		
    		fos.close();
    		
    		Log.d("Encrypting file", "despues de cerrar archivo " + outFile);
    		
    		Toast.makeText(getApplicationContext(), "Cifrado correctamente: " + outFile, Toast.LENGTH_SHORT).show();
    		
    		
    	} catch(Exception e) {
    		Log.d("Error encrypting file: ", inFile + " - " + e.getMessage());
    		e.printStackTrace(System.err);
    		Toast.makeText(getApplicationContext(), e.getMessage(), Toast.LENGTH_SHORT).show();
    	}
    	

• Decryption process with jdigidocutil (encrypted file through Android)

aaraujo@moe:~/desarrollo/andriod/pruebas/jdigidoc-3.7/jdigidoc$ java -jar jdigidocutil-\$\{version\}.jar -cdoc-in /tmp/cifrado.cdoc -cdoc-decrypt-pkcs12-sk ~/desarrollo/chespirito.p12 chespirito PKCS12 /tmp/salida.pdf
JDigiDoc - 3.6.0.1
Reading config file: jar://jdigidoc.cfg
Reading encrypted file: /tmp/cifrado.cdoc
Decrypting to: /tmp/salida.pdf
Using recipient: 0
SAXDigiDocFactory::readSignedDocOfType 
Start reading ddoc/bdoc from file: /tmp/salida.pdf
Start Element: SignedDoc lname:  uri: 
Start Element: DataFile lname:  uri: 
Start collecting digest
Allocating buf: 122556 Element: DataFile lname:  uri: 
Attr: ContentType ='EMBEDDED_BASE64'
Attr: Filename ='LSMDFE.pdf'
Attr: Id ='D0'
Attr: MimeType ='http://www.sk.ee/DigiDoc/v1.3.0#'
Attr: Size ='61278'
Attr: xmlns ='http://www.sk.ee/DigiDoc/v1.3.0#'
Canonicalized: '<DataFile xmlns="http://www.sk.ee/DigiDoc/v1.3.0#" ContentType="EMBEDDED_BASE64" Filename="LSMDFE.pdf" Id="D0" MimeType="http://www.sk.ee/DigiDoc/v1.3.0#" Size="61278">'
End Element: DataFile collect: 1
Digest: D0 - 5hmr2x1Q4PKrjbmkWy7K+jzYL/o= size: 61278
End Element: SignedDoc collect: 0
JDigiDoc end, time: 3 sec result: success