import org.apache.commons.io.FileUtils;
import sun.misc.BASE64Decoder;
import java.io.File;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.util.Arrays;
/**
* Created with IntelliJ IDEA.
* Description:
* User: [email protected]
* Date: 2018-03-12
* Time: 16:39
*/
public class OpenSSLDes3Utils {
final static byte[] magic = "Salted__".getBytes(StandardCharsets.US_ASCII);
public static byte[] decode(File des3File,String password) throws Exception {
final byte[] pass = password.getBytes(StandardCharsets.US_ASCII);
BASE64Decoder base64Decoder = new BASE64Decoder();
String base64Str = FileUtils.readFileToString(des3File,Charset.forName("utf-8"));
final byte[] base64Bytes = base64Decoder.decodeBuffer(base64Str);
final byte[] shouldBeMagic = Arrays.copyOfRange(base64Bytes, 0,
magic.length);
if (!Arrays.equals(shouldBeMagic, magic)) {
System.out.println("Bad magic number");
return null;
}
final byte[] salt = Arrays.copyOfRange(base64Bytes, magic.length,
magic.length + 8);
final byte[] passAndSalt = concat(pass, salt);
byte[] hash = new byte[0];
byte[] keyAndIv = new byte[0];
for (int i = 0; i < 2; i++) {
final byte[] data = concat(hash, passAndSalt);
final MessageDigest md = MessageDigest.getInstance("MD5");
hash = md.digest(data);
keyAndIv = concat(keyAndIv, hash);
}
final byte[] keyValue = Arrays.copyOfRange(keyAndIv, 0, 24);
final byte[] iv = Arrays.copyOfRange(keyAndIv, 24, 32);
return STD3Des.des3DecodeCBC(keyValue,iv,Arrays.copyOfRange(base64Bytes,16,base64Bytes.length));
}
private static byte[] concat(final byte[] a, final byte[] b) {
final byte[] c = new byte[a.length + b.length];
System.arraycopy(a, 0, c, 0, a.length);
System.arraycopy(b, 0, c, a.length, b.length);
return c;
}
public static void main(String[] args) {
try {
byte[] tarGzFileBytes = OpenSSLDes3Utils.decode(new File
("C:\\Users\\junle\\Documents\\ms118000102_000001229t_2018-03-09T15-44" +
"-47.dat.tar.gz.des"),"111111");
FileUtils.writeByteArrayToFile(new File("C:\\Users\\junle\\Documents\\ms118000102_000001229t_2018-03-09T15-44-47.dat.tar.gz"),tarGzFileBytes);
} catch (Exception e) {
e.printStackTrace();
}
}
}
import org.apache.commons.io.FileUtils;
import sun.misc.BASE64Decoder;
import javax.crypto.Cipher;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.DESedeKeySpec;
import javax.crypto.spec.IvParameterSpec;
import java.io.File;
import java.nio.charset.Charset;
import java.security.Key;
/**
*
* @author Administrator
*/
public class STD3Des {
public static final String KEY_ALGORITHM = "DESede";
public static final String MD5 = "MD5";
public static final String CIPHER_ALGORITHM = "DESede/CBC/PKCS5Padding";
public static final String DEFAULT_CHARSET = "UTF-8";
public static void main(String[] args) throws Exception {
// byte[] key = ("f510b8737344cddbca1c8564").getBytes();
// // byte[] keyiv = {0x66,0x6f,0x61,0x6f,0x63,0x75,0x65,0x6e};
// byte[] keyiv = {'f','o','a','o','c','u','e','n'};
//
// System.out.println("\r\nkey.length:" + key.length);
// byte[] data = "中国ABCabc1234".getBytes("UTF-8");
//
// System.out.println("ECB加密解密");
// byte[] str3 = des3EncodeECB(key, data);
// byte[] str4 = ees3DecodeECB(key, str3);
// System.out.println(new BASE64Encoder().encode(str3));
// System.out.println(new String(str4, "UTF-8"));
//
// System.out.println("<=============>");
//
// System.out.println("CBC加密解密");
// byte[] str5 = des3EncodeCBC(key, keyiv, data);
// byte[] str6 = des3DecodeCBC(key, keyiv, str5);
// System.out.println(new BASE64Encoder().encode(str5));
// System.out.println(new String(str6, "UTF-8"));
BASE64Decoder base64Decoder = new BASE64Decoder();
String base64Str = FileUtils.readFileToString(new File("C:\\Users\\junle\\Documents\\ms118000102_000001229t_2018-03-09T15-44-47.dat.tar.gz.des"), Charset.forName("utf-8"));
byte[] base64Bytes = base64Decoder.decodeBuffer(base64Str);
FileUtils.writeByteArrayToFile(new File
("C:\\Users\\junle\\Documents\\ms118000102_000001229t_2018-03-09T15-44-47.dat.encoded"),base64Bytes);
// MessageDigest md5 = MessageDigest.getInstance(MD5);
// final byte[] keyBytes = md5.digest("111111".getBytes(DEFAULT_CHARSET));
// byte[] decoded = des3EncodeCBC(keyBytes,null,base64Bytes);
// FileUtils.writeByteArrayToFile(new File("C:\\Users\\junle\\Documents\\ms118000102_000001229t_2018-03-09T15-44-47.dat.tar.gz"),decoded);
}
/**
* ECB加密,不要IV
*
* @param key 密钥
* @param data 明文
* @return Base64编码的密文
* @throws Exception
*/
public static byte[] des3EncodeECB(byte[] key, byte[] data)
throws Exception {
Key deskey = null;
DESedeKeySpec spec = new DESedeKeySpec(key);
SecretKeyFactory keyfactory = SecretKeyFactory.getInstance("desede");
deskey = keyfactory.generateSecret(spec);
Cipher cipher = Cipher.getInstance("desede" + "/ECB/PKCS5Padding");
cipher.init(Cipher.ENCRYPT_MODE, deskey);
byte[] bOut = cipher.doFinal(data);
return bOut;
}
/**
* ECB解密,不要IV
*
* @param key 密钥
* @param data Base64编码的密文
* @return 明文
* @throws Exception
*/
public static byte[] ees3DecodeECB(byte[] key, byte[] data)
throws Exception {
Key deskey = null;
DESedeKeySpec spec = new DESedeKeySpec(key);
SecretKeyFactory keyfactory = SecretKeyFactory.getInstance("desede");
deskey = keyfactory.generateSecret(spec);
Cipher cipher = Cipher.getInstance("desede" + "/ECB/PKCS5Padding");
cipher.init(Cipher.DECRYPT_MODE, deskey);
byte[] bOut = cipher.doFinal(data);
return bOut;
}
/**
* CBC加密
*
* @param key 密钥
* @param keyiv IV
* @param data 明文
* @return Base64编码的密文
* @throws Exception
*/
public static byte[] des3EncodeCBC(byte[] key, byte[] keyiv, byte[] data)
throws Exception {
Key deskey = null;
DESedeKeySpec spec = new DESedeKeySpec(key);
SecretKeyFactory keyfactory = SecretKeyFactory.getInstance("desede");
deskey = keyfactory.generateSecret(spec);
Cipher cipher = Cipher.getInstance("desede" + "/CBC/PKCS5Padding");
IvParameterSpec ips = new IvParameterSpec(keyiv);
cipher.init(Cipher.ENCRYPT_MODE, deskey, ips);
byte[] bOut = cipher.doFinal(data);
return bOut;
}
/**
* CBC解密
*
* @param key 密钥
* @param keyiv IV
* @param data Base64编码的密文
* @return 明文
* @throws Exception
*/
public static byte[] des3DecodeCBC(byte[] key, byte[] keyiv, byte[] data)
throws Exception {
Key deskey = null;
DESedeKeySpec spec = new DESedeKeySpec(key);
SecretKeyFactory keyfactory = SecretKeyFactory.getInstance("desede");
deskey = keyfactory.generateSecret(spec);
Cipher cipher = Cipher.getInstance("desede" + "/CBC/PKCS5Padding");
IvParameterSpec ips = new IvParameterSpec(keyiv);
cipher.init(Cipher.DECRYPT_MODE, deskey, ips);
byte[] bOut = cipher.doFinal(data);
return bOut;
}
}
