null cipher decoder

{Code ...} Import sun. misc. BASE64Decoder; import sun. misc. BASE64Encoder; import javax. crypto. cipher; import javax. crypto. secretKey; import javax. crypto. secretKeyFactory; import javax. crypto. spec. DESKeySpec; import java. io. IOException;

Supported DES encryption and iosjavades encryption for IOS and java Reprinted please indicate blog address: http://blog.csdn.net/mengxiangyue/article/details/40015727 Recently, we are considering data encryption requirements. So I simply read about

Supported DES encryption for IOS and java   Recently, we are considering data encryption requirements. So I simply read about Data Encryption. Of course, it is not about the principle, but about how to implement it. Now we need to implement the

Import javax. crypto. cipher;Import javax. crypto. secretkey;Import javax. crypto. secretkeyfactory;Import javax. crypto. spec. deskeyspec; // Import com. modernmedia. mW. Tag. messages; Import sun. Misc. base64decoder;Import sun. Misc.

Java symmetric encryption Recently, I am working on a User token function, learning encryption-related AES/DES, RSA, and so on. This involves symmetric and asymmetric encryption. Although symmetric encryption is not as secure as asymmetric

Solve the problem that the AES encryption algorithm fails to be decrypted in linux. Some time ago, when the project was to be deployed on linux, Baidu found a solution and shared it here:Public class RSAEncrypt {// Key private static key KEY; // Key

A common term for passwordsPlainText: Information to encryptCiphertext: PlainText after being encryptedEncryption: The process of converting plaintext into ciphertextEncryption algorithm: conversion algorithm of plaintext to ciphertextCryptographic

1 sha Encryption: Secure Hash algorithm is mainly applicable to digital signature algorithms (Digital Signature algorithm DSA) defined in the digital signature standard (Digital Signature Standard DSS). For messages that are less than 2^64 bits in

Base64 encryption and decryption Package com. City. util; Import java. Security. messagedigest;Import java. Security. nosuchalgorithmexception;Import java. util. date; Import net. SourceForge. jtds. util. md5digest;Import sun. Misc.

Description of the encryption method:1. according to the Convention secret key, the Des encryption algorithm is used to encrypt the generated byte array;2. Encode the byte array generated after encryption using the BASE64 algorithm;Description of