java代码解密 java des加解密(14)


KEY = KEY substring( )
byte[] bytes = KEY getBytes()
DESKeySpec ks = new DESKeySpec(bytes)
SecretKeyFactory skf = SecretKeyFactory getInstance( DES )
SecretKey sk = skf generateSecret(ks)
IvParameterSpec iv = new IvParameterSpec(bytes)
ecip = Cipher getInstance( DES/CBC/PKCS Padding )
ecip init(Cipher ENCRYPT_MODE sk iv )
dcip = Cipher getInstance( DES/CBC/PKCS Padding )
dcip init(Cipher DECRYPT_MODE sk iv )
}catch(Exception ex) {
ex printStackTrace()
}
}
public static String encrypt(String content) throws Exception {
byte[] bytes = ecip doFinal(content getBytes( ascii ))
return CryptUtils byte hex(bytes)
}
public static String decrypt(String content) throws Exception {
byte[] bytes= CryptUtils hex byte(content)
bytes = dcip doFinal(bytes)
return new String(bytes ascii )
}
//test
public static void main(String[] args) throws Exception {
String password = gly ;
String en = encrypt(password)
System out println(en)
System out println(decrypt(en))
}
lishixinzhi/Article/program/Java/hx/201311/26449
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