encrypt « Zip « Java I/O Q&A

1. Implementation of ZipCrypto / Zip 2.0 encryption in java stackoverflow.com

I'm trying o implement the zipcrypto / zip 2.0 encryption algoritm to deal with encrypted zip files as discussed in http://www.pkware.com/documents/casestudies/APPNOTE.TXT I believe I've followed the specs but just can't seem ...

2. Encrypting zip files with a password based on Zip 2.0 encryption stackoverflow.com

I am trying to zip and encrypt files in Java (1.6) with a password based on the earlier Zip 2.0 encryption. I have used AES 256 bit encrytpion to encrypt zip ...

3. Write AES encrypted zip and read encrypted zip via Java stackoverflow.com

I was looking at this lib http://code.google.com/p/winzipaes/ but it writes temp data to disk which can't happen. We'll be writing sensitive data in the zip and having temp ...

4. how to unzip an encrypted ODT OpenDocument in Java stackoverflow.com

I have an encrypted ODT (Open Document Text) file and I need to unzip it. ODT is a ZIP file. An encrypted ODT is a normal ZIP file, just some files ...

5. Retrieving ByteArray from encrypted zip file coderanch.com

Hello everyone, I am new this forum. I have to retrieve the bytearray from encrypted zip file. I am using bouncycastle and de.idyl.crypto.zip utility to create the encrypted zip file. With the help of these utilities i am able to create a encrypted zip file into some temporary location. Now i wanted to read the encrypted zip file and get the ...

6. Encrypt a zip file using PGP in java coderanch.com

I tried to encrypt the xip file as normal file But after decrypting I am unable to unzip the file and throws "cannot open decrypttest.zip file as archive" Encryption source import java.io.BufferedReader; import java.io.ByteArrayOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.security.NoSuchProviderException; import java.security.SecureRandom; import java.security.Security; import org.bouncycastle.bcpg.ArmoredOutputStream; import org.bouncycastle.jce.provider.BouncyCastleProvider; import ...