Encrypts a file and uploads it to Atmos (POC - not robust)

aes-atmos-java

package com.medplus.etech;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;

import javax.crypto.Cipher;
import javax.crypto.CipherInputStream;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.spec.SecretKeySpec;
import javax.xml.bind.DatatypeConverter;

import com.emc.esu.api.Metadata;
import com.emc.esu.api.MetadataList;
import com.emc.esu.api.rest.EsuRestApi;

public class EncryptedUpload {
	private static final SecretKeySpec KEY = new SecretKeySpec(
			DatatypeConverter.parseBase64Binary("THIS IS A SECRET"),
			"AES");
	
	private static long encryptedLength(long unencryptedLength) {
		return (unencryptedLength/16 + 1) * 16;
	}
	
	private static InputStream createCipherStream(File file) throws FileNotFoundException, NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException {
		FileInputStream fis = new FileInputStream(file);
		
		Cipher cipher = Cipher.getInstance("AES");
		cipher.init(Cipher.ENCRYPT_MODE, KEY);
		
		CipherInputStream cis = new CipherInputStream(fis, cipher);
		
		return cis;
	}
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		try {
			File file = new File(args[0]);
			if (file.exists()) {
				EsuRestApi esu = new EsuRestApi("api.atmosonline.com", 
						80, 
						"uid",
						"sharedsecret");
				
				MetadataList metadata = new MetadataList();
				metadata.addMetadata(new Metadata("File-Name", args[0], true));
				metadata.addMetadata(new Metadata("Encryption-Algorithm", "AES", true));
				esu.createObjectFromStream(null,
						metadata, createCipherStream(file), encryptedLength(file.length()), null);
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

}