decrypt « string « Java Data Type Q&A

1. Need an example - decrypting string in Java using Microsoft Crypto API    stackoverflow.com

First and foremost, I am not a Java programmer. I'm looking for an example solution to this problem because the Java developer I have does not have much experience working ...

2. AES encryption - how to later decrypt the encrypted string?    stackoverflow.com

i have a java program . this is a AES encryption - decryption program. the program has a graphical user interface with can input string and show AES encrypted string. the ...

3. Easy way to store/restore encryption key for decrypting string in java    stackoverflow.com

For encryption I use something like this:

SecretKey aesKey = KeyGenerator.getInstance("AES").generateKey();
StringEncrypter aesEncrypt = new StringEncrypter(aesKey, aesKey.getAlgorithm());
String aesEncrypted= aesEncrypt.encrypt(StringContent);

4. Encrypt a string in Java so that a C program can decrypt it, without any padding in the decrypted text?    stackoverflow.com

I am doing a simple AES encryption in Java:

Cipher cipher = Cipher.getInstance("AES");
cipher.init(Cipher.ENCRYPT_MODE, getAES128SecretKey());
byte[] encrypted = cipher.doFinal(input);

5. Encrypting a string in Java and decrypting it in C++    stackoverflow.com

I need to encrypt a string in Java and decrypt it in C++. I've seen C++ has a Crypto++ library and Java has JCE, Jasypt, BouncyCastle etc. but I'm getting more ...

6. Encrypt and decrypt a String in java    stackoverflow.com

I am new to cryptography. I wish to learn how to encrypt and decrypt the text in a file... when I refer the related articles in net. I had a doubt ...

7. InvalidKeyException: Cannot decrypt OpenJDK/JRE-encryted string with Sun JRE    stackoverflow.com

I encrypted and stored some data to a db using the OpenJDK JRE and also successfully decrypted with OpenJDK when retrieving back from db. Today I replaced the OpenJDK JRE with Sun's ...

8. How to decrypt sha1 encrypted String in Java?    stackoverflow.com

Is it possible to decrypt some string which was earlier decrypted with sha1 algorithm in Java?

9. How do I encrypt/decrypt a string with another string as a password?    stackoverflow.com

I'm making a simple program that takes that takes text entered in a text box, then takes a password that's in another text box, then does some sort of simple encryption ...

10. Java AES decryption - can't decrypt string    stackoverflow.com

Possible Duplicate:
Java AES Encrypt Entire String

11. Encrypting and Decrypt String    coderanch.com

Encryption and decipherment and so on can be a really dicey subject to work in front of some of the masters we have here at Java Ranch: Real encryption is fiendishly difficult to implement reliably. What you are likely talking about is a more beginnerish simple computer science exercise that is not hard to code, and if you think about it ...

12. Encrypting and Decrypting Strings.    coderanch.com

>>the encryption is random, it's not always the >>same text that is resulting from the encryption. This is true if you use a different key which you are doing as you are generating the key by a random number the encryption will always be different. As the underlined cipher will use the blocks of the key material and do operations on ...

13. Error while Decrypting the String    forums.oracle.com

what i did wrong in this code... i posted my code here... Code: import java.io.*; import java.security.*; import java.util.*; import javax.crypto.*; import javax.crypto.spec.*; public class CryptoLibrary { public static void main(String[] args) { Cipher encryptCipher; Cipher decryptCipher; sun.misc.BASE64Encoder encoder = new sun.misc.BASE64Encoder(); sun.misc.BASE64Decoder decoder = new sun.misc.BASE64Decoder(); java.security.Security.addProvider(new com.sun.crypto.provider.SunJCE()); char[] pass = "A".toCharArray(); byte[] salt = { (byte) 0xa3, (byte) 0x21, ...

14. Urgent - encrypt and decrypt the single field (String)    forums.oracle.com

Welcome to the Developer Community! We'd like you to get the most out of your experience at the Forums. Please keep in mind that the many of the developers who help you are working for a living, and all of them are providing you with free advice. It is only fair for you to do some homework first prior to posting. ...

15. Need help encrypting a string, then decrypting it.    forums.oracle.com

import java.security.InvalidKeyException; import java.security.Key; import javax.crypto.BadPaddingException; import javax.crypto.Cipher; import javax.crypto.IllegalBlockSizeException; import javax.crypto.KeyGenerator; public class EncryptDecryptString{ private static String algorithm = "DESede"; private static Key key = null; private static Cipher cipher = null; private static void setUp() throws Exception { key = KeyGenerator.getInstance(algorithm).generateKey(); cipher = Cipher.getInstance(algorithm); } public static void main(String[] args) throws Exception { setUp(); byte[] encryptionBytes = null; String ...