加密和解密问题

http://www.jasypt.org/

AES

http://www.jasypt.org/

WEP

http://en.wikipedia.org/wiki/Wired_Equivalent_Privacy#Flaws

<dependency>
    <groupId>org.sonatype.plexus</groupId>
    <artifactId>plexus-cipher</artifactId>
    <version>1.1</version>
</dependency>

// https://mvnrepository.com/artifact/org.sonatype.plexus/plexus-cipher
compile group: 'org.sonatype.plexus', name: 'plexus-cipher', version: '1.1'

public static String encrypt(String strClearText,String strKey) throws Exception{
    String strData="";

    try {
        SecretKeySpec skeyspec=new SecretKeySpec(strKey.getBytes(),"Blowfish");
        Cipher cipher=Cipher.getInstance("Blowfish");
        cipher.init(Cipher.ENCRYPT_MODE, skeyspec);
        byte[] encrypted=cipher.doFinal(strClearText.getBytes());
        strData=new String(encrypted);

    } catch (Exception e) {
        e.printStackTrace();
        throw new Exception(e);
    }
    return strData;
}

try {
    SecretKeySpec skeyspec=new SecretKeySpec(strKey.getBytes(),"Blowfish");
    Cipher cipher=Cipher.getInstance("Blowfish");
    cipher.init(Cipher.DECRYPT_MODE, skeyspec);
    byte[] decrypted=cipher.doFinal(strEncrypted.getBytes());
    strData=new String(decrypted);

} catch (Exception e) {
    e.printStackTrace();
    throw new Exception(e);
}
return strData;