I need to know how to create an AES and using it to encrypt and decrypt a file in java.
2
- related stackoverflow.com/questions/3915644/java-aes-decrypting-problemandersoj– andersoj2011-03-15 04:21:59 +00:00Commented Mar 15, 2011 at 4:21
- 2stackoverflow.com/questions/992019/java-256bit-aes-encryption shows you how to encrypt a string using AES. To encrypt a File, just read the contents as String, encrypt it and write it back to file.Nishan– Nishan2011-03-15 04:23:33 +00:00Commented Mar 15, 2011 at 4:23
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1 Answer
Try using a CipherOutputStream and passing in a FileOutputStream. See http://www.java2s.com/Tutorial/Java/0490__Security/UsingCipherOutputStream.htm for a quick example, just use Cipher.getInstance("AES/CBC/PKCS5Padding") instead.
