tolag3/fairnet
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

이지우 - 관리자 로그인에 분쟁조정 암호화(MD5) 적용

Browse Source
This commit is contained in:
JIWOO 2024-07-17 11:59:31 +09:00
parent def877bfec
commit 7edaa1fb75
4 changed files with 1945 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/main/java/kcc/let/uat/uia/service/impl/EgovLoginServiceImpl.java
View File

@ -15,6 +15,7 @@ import kcc.let.uat.uia.service.EgovLoginService;
import kcc.let.utl.fcc.service.EgovNumberUtil;
import kcc.let.utl.fcc.service.EgovStringUtil;
import kcc.let.utl.sim.service.EgovFileScrty;
import seed.utils.SeedUtils;
/**
* 일반 로그인, 인증서 로그인을 처리하는 비즈니스 구현 클래스
@ -54,9 +55,12 @@ public class EgovLoginServiceImpl extends EgovAbstractServiceImpl implements
@Override
public LoginVO actionLogin(LoginVO vo) throws Exception {
String enpassword = EgovFileScrty.encryptPassword(vo.getPassword(), vo.getId());
//String enpassword = EgovFileScrty.encryptPassword(vo.getPassword(), vo.getId());
//분쟁조정의 MD5 암호화 사용
String enpassword = SeedUtils.getSeedMD5Code(vo.getPassword());
enpassword = SeedUtils.getSeedSHA256Code(enpassword);
vo.setPassword(enpassword);
vo.setPassword("72ddc97081262e52953e0a75db05eff2108cfb9b2745083de7fedb65c20e0b85");
// 2. 아이디와 암호화된 비밀번호가 DB와 일치하는지 확인한다.
LoginVO loginVO = loginDAO.actionLogin(vo);

63
src/main/java/seed/utils/SeedCookieUtil.java Normal file
View File

@ -0,0 +1,63 @@
package seed.utils;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class SeedCookieUtil {
/**
* 쿠키를 생성하는 메소드
* @param HttpServletResponse response response객체
* @param Integer maxAge 시간설정 60*60*24*365 1년œ
* @param String cookiePath 쿠키가 저장되는 경로 기본 / 입력
* @param String key 쿠키 key값
* @param Stirng value 쿠키 value
* */
public void setCookie(HttpServletResponse response, Integer maxAge, String cookiePath, String key, String value, boolean httpOnly){
if(httpOnly){
response.setHeader("Set-Cookie", key+"="+value+"; path=/; HttpOnly");
}
Cookie cookie = new Cookie(key, value);
cookie.setMaxAge(maxAge);
cookie.setSecure(true);
cookie.setPath(cookiePath);
response.addCookie(cookie);
}
/**
* key에 해당하는 쿠키 정보를 가지고 오는 메소드
* @param HttpServletRequest request 객체
* @param String key 쿠키 key값
* @param String 쿠키 정보
* */
public String getCookie(HttpServletRequest request, String key){
Cookie[] cookies = request.getCookies();
String cookieValue = "";
if(cookies!=null){
int iLoop = cookies.length;
for (int i=0; i<iLoop; i++){
if(key.equals(cookies[i].getName())){
cookieValue = cookies[i].getValue();
break;
}
}
}
return cookieValue;
}
/**
* 쿠키 정보를 삭제 하는 메소드
* @param HttpServletResponse response 객체
* @param String cookiePath 쿠키경로 설정
* @param String key 삭제할 key값
* */
public void deleteCookie(HttpServletResponse response, String cookiePath, String key){
Cookie cookie = new Cookie(key, "");
cookie.setMaxAge(0);
cookie.setSecure(true);
cookie.setPath(cookiePath);
response.addCookie(cookie);
}
}

810
src/main/java/seed/utils/SeedKISA.java Normal file
View File

@ -0,0 +1,810 @@
package seed.utils;
import java.util.ArrayList;
import java.util.List;
import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;
public class SeedKISA {
private static final String CHARACTER_SET = "UTF-8";
//private static final String DEFAULT_IV = "1234567890123456";
private static final String DEFAULT_IV = "SeedSecretKISADefaultIv";
/**
* seed로 암호화된 문자열을 복호화
* @param encVal - 암호화 대상 string
* @param seedKey - encrypt할때 사용한 key
* @return
* @throws Exception
*/
public static String getSeedDecrypt(String encVal, int[] seedKey) throws Exception{
// 암호화문 byte 배열 리스트로 변환
List<byte[]> encByteList = getByteList(encVal, true);
// System.out.println("복호화할 바이트 시작");
// for(int i=0; i<encByteList.size(); i++){
// byte[] originalByte = encByteList.get(i);
// for(int j=0; j<originalByte.length; j++){
// System.out.println("" + (j+(i*16)) + " : " + originalByte[j]);
// }
// }
// System.out.println("복호화할 바이트 종료");
// 복호화된 byte 배열 저장할 리스트 선언
List<byte[]> decByteList = new ArrayList<byte[]>();
// IV를 저장하라 변수 선언
byte[] byteIV = DEFAULT_IV.getBytes();
for(int i=0; i<encByteList.size(); i++){
byte[] encByte = (byte[])encByteList.get(i);
byte[] tempDecByte = new byte[16];
SeedKISA.SeedDecrypt(encByte, seedKey, tempDecByte);
// CBC 운영모드
exclusiveOR(tempDecByte, byteIV);
byteIV = encByte;
decByteList.add(tempDecByte);
}
return getByteListStr(decByteList, false);
}
/**
* seed로 문자열을 암호화
* @param strVal - 암호화 할 string
* @param seedKey - encrypt에 사용할 key
* @return
* @throws Exception
*/
public static String getSeedEncrypt(String strVal, int[] seedKey) throws Exception{
// 원문을 byte[] list로 변환
List<byte[]> byteList = getByteList(strVal, false);
// System.out.println("원본 바이트 시작");
// for(int i=0; i<byteList.size(); i++){
// byte[] originalByte = byteList.get(i);
// for(int j=0; j<originalByte.length; j++){
// System.out.println("" + (j+(i*16)) + " : " + originalByte[j]);
// }
// }
// System.out.println("원본 바이트 종료");
// System.out.println("암호화된 바이트 시작");
// 암호화된 byte[]를 저장할 list
List<byte[]> encByteList = new ArrayList<byte[]>();
// IV를 저장하라 변수 선언
byte[] byteIV = DEFAULT_IV.getBytes();
for(int i=0; i<byteList.size(); i++){
byte[] byteVal = (byte[])byteList.get(i);
byte[] tempEncVal = new byte[16];
// CBC 운영모드
exclusiveOR(byteVal, byteIV);
SeedKISA.SeedEncrypt(byteVal, seedKey, tempEncVal);
byteIV = tempEncVal;
// for(int j=0; j<tempEncVal.length; j++){
// System.out.println("" + (j+(i*16)) + " : " + tempEncVal[j]);
// }
encByteList.add(tempEncVal);
}
// System.out.println("암호화된 바이트 종료");
// list에 담긴 enc문을 str형태로 변환하여 반환
return getByteListStr(encByteList, true);
}
/**
* 암/복호화에 사용할 key값을 생성
* @param keyStr - 생성할 key값의 string 값
* @return
* @throws Exception
*/
public static int[] getSeedRoundKey(String keyStr) throws Exception{
int[] seedKey = new int[32];
SeedKISA.SeedRoundKey(seedKey, keyStr.getBytes());
return seedKey;
}
/**
* CBC 운영모드를 사용하기 위한 XOR 연산 메서드
* value1과 value2를 OXR 연산 후 그 결과를 value1에 담는다.
* 128bit 확정형
* @param value1 - 변수1
* @param value2 - 변수2
*/
private static void exclusiveOR(byte[] value1, byte[] value2){
for(int i=0; i<16; i++){
value1[i] = Integer.valueOf(value1[i] ^ value2[i]).byteValue();
}
}
/**
* seed는 128bit 블록 단위로 암호화 처리한다.
* 문자열을 128bit단위로 byte배열을 생성하고, 그 배열을 list형태로 반환한다.
* @param nomal
* @param isDecode
* @return
* @throws Exception
*/
private static List<byte[]> getByteList(String nomal, boolean isDecode) throws Exception{
List<byte[]> byteList = new ArrayList<byte[]>();
byte[] tempByte = null;
if(isDecode){
BASE64Decoder base64Dec = new BASE64Decoder();
tempByte = base64Dec.decodeBuffer(nomal);
}else{
tempByte = nomal.getBytes(CHARACTER_SET);
}
// seed 암호화를 위해선 byte가 무조건 16byte씩 배열이 생성되어야 함으로 빈배열의 공간수를 계산
int needBlankLength = 0;
if(tempByte.length % 16 != 0){
needBlankLength = 16 - (tempByte.length % 16);
}
// 위에서 구한 필요한 빈공간의 수를 더하여 다시 배열 생성
byte[] newTempByte = new byte[tempByte.length + needBlankLength];
for(int i=0; i<tempByte.length; i++){
newTempByte[i] = tempByte[i];
}
// 이제 newTempByte를 16의 배수의 사이즈를 갖는 배열이 되었다.
// 16개씩 짤라서 List에 add 한다.
int inListByteIdx = 0;
byte[] inListByte = new byte[16];
for(int i=0; i<newTempByte.length; i++){
inListByte[inListByteIdx] = newTempByte[i];
inListByteIdx++;
if((i + 1) % 16 == 0 && i != 0){
byteList.add(inListByte);
inListByte = new byte[16];
inListByteIdx = 0;
}
}
return byteList;
}
/**
* 128bit단위로 쪼개진 byte배열이 담긴 list를 문자열로 변환해준다
* @param byteList
* @param isEncode
* @return
* @throws Exception
*/
private static String getByteListStr(List<byte[]> byteList, boolean isEncode) throws Exception{
// List에 담긴 byte배열이 16으로 고정임으로 * 16
byte[] listByte = new byte[byteList.size() * 16];
// List에 담긴 byte배열을 하나의 배열(listByte)에 merge
for(int i=0; i<byteList.size(); i++){
byte[] temp = (byte[])byteList.get(i);
for(int j=0; j<temp.length; j++){
listByte[j + (16 * i)] = temp[j];
}
}
// blank byte 카운트 세기
int blankCnt = 0;
for(int i=listByte.length; i>0; i--){
if(listByte[i - 1] == 0){
blankCnt++;
}else{
break;
}
}
// blank를 제외한 만큼의 데이터만 추출
byte[] resultByte = new byte[listByte.length - blankCnt];
for(int i=0; i<resultByte.length; i++){
resultByte[i] = listByte[i];
}
String retStr = null;
if(isEncode){
BASE64Encoder base64Enc = new BASE64Encoder();
retStr = base64Enc.encode(resultByte);
}else{
retStr = new String(resultByte, CHARACTER_SET);
}
return retStr;
}
private static final int SS0[] = {
0x2989a1a8, 0x05858184, 0x16c6d2d4, 0x13c3d3d0, 0x14445054, 0x1d0d111c, 0x2c8ca0ac, 0x25052124,
0x1d4d515c, 0x03434340, 0x18081018, 0x1e0e121c, 0x11415150, 0x3cccf0fc, 0x0acac2c8, 0x23436360,
0x28082028, 0x04444044, 0x20002020, 0x1d8d919c, 0x20c0e0e0, 0x22c2e2e0, 0x08c8c0c8, 0x17071314,
0x2585a1a4, 0x0f8f838c, 0x03030300, 0x3b4b7378, 0x3b8bb3b8, 0x13031310, 0x12c2d2d0, 0x2ecee2ec,
0x30407070, 0x0c8c808c, 0x3f0f333c, 0x2888a0a8, 0x32023230, 0x1dcdd1dc, 0x36c6f2f4, 0x34447074,
0x2ccce0ec, 0x15859194, 0x0b0b0308, 0x17475354, 0x1c4c505c, 0x1b4b5358, 0x3d8db1bc, 0x01010100,
0x24042024, 0x1c0c101c, 0x33437370, 0x18889098, 0x10001010, 0x0cccc0cc, 0x32c2f2f0, 0x19c9d1d8,
0x2c0c202c, 0x27c7e3e4, 0x32427270, 0x03838380, 0x1b8b9398, 0x11c1d1d0, 0x06868284, 0x09c9c1c8,
0x20406060, 0x10405050, 0x2383a3a0, 0x2bcbe3e8, 0x0d0d010c, 0x3686b2b4, 0x1e8e929c, 0x0f4f434c,
0x3787b3b4, 0x1a4a5258, 0x06c6c2c4, 0x38487078, 0x2686a2a4, 0x12021210, 0x2f8fa3ac, 0x15c5d1d4,
0x21416160, 0x03c3c3c0, 0x3484b0b4, 0x01414140, 0x12425250, 0x3d4d717c, 0x0d8d818c, 0x08080008,
0x1f0f131c, 0x19899198, 0x00000000, 0x19091118, 0x04040004, 0x13435350, 0x37c7f3f4, 0x21c1e1e0,
0x3dcdf1fc, 0x36467274, 0x2f0f232c, 0x27072324, 0x3080b0b0, 0x0b8b8388, 0x0e0e020c, 0x2b8ba3a8,
0x2282a2a0, 0x2e4e626c, 0x13839390, 0x0d4d414c, 0x29496168, 0x3c4c707c, 0x09090108, 0x0a0a0208,
0x3f8fb3bc, 0x2fcfe3ec, 0x33c3f3f0, 0x05c5c1c4, 0x07878384, 0x14041014, 0x3ecef2fc, 0x24446064,
0x1eced2dc, 0x2e0e222c, 0x0b4b4348, 0x1a0a1218, 0x06060204, 0x21012120, 0x2b4b6368, 0x26466264,
0x02020200, 0x35c5f1f4, 0x12829290, 0x0a8a8288, 0x0c0c000c, 0x3383b3b0, 0x3e4e727c, 0x10c0d0d0,
0x3a4a7278, 0x07474344, 0x16869294, 0x25c5e1e4, 0x26062224, 0x00808080, 0x2d8da1ac, 0x1fcfd3dc,
0x2181a1a0, 0x30003030, 0x37073334, 0x2e8ea2ac, 0x36063234, 0x15051114, 0x22022220, 0x38083038,
0x34c4f0f4, 0x2787a3a4, 0x05454144, 0x0c4c404c, 0x01818180, 0x29c9e1e8, 0x04848084, 0x17879394,
0x35053134, 0x0bcbc3c8, 0x0ecec2cc, 0x3c0c303c, 0x31417170, 0x11011110, 0x07c7c3c4, 0x09898188,
0x35457174, 0x3bcbf3f8, 0x1acad2d8, 0x38c8f0f8, 0x14849094, 0x19495158, 0x02828280, 0x04c4c0c4,
0x3fcff3fc, 0x09494148, 0x39093138, 0x27476364, 0x00c0c0c0, 0x0fcfc3cc, 0x17c7d3d4, 0x3888b0b8,
0x0f0f030c, 0x0e8e828c, 0x02424240, 0x23032320, 0x11819190, 0x2c4c606c, 0x1bcbd3d8, 0x2484a0a4,
0x34043034, 0x31c1f1f0, 0x08484048, 0x02c2c2c0, 0x2f4f636c, 0x3d0d313c, 0x2d0d212c, 0x00404040,
0x3e8eb2bc, 0x3e0e323c, 0x3c8cb0bc, 0x01c1c1c0, 0x2a8aa2a8, 0x3a8ab2b8, 0x0e4e424c, 0x15455154,
0x3b0b3338, 0x1cccd0dc, 0x28486068, 0x3f4f737c, 0x1c8c909c, 0x18c8d0d8, 0x0a4a4248, 0x16465254,
0x37477374, 0x2080a0a0, 0x2dcde1ec, 0x06464244, 0x3585b1b4, 0x2b0b2328, 0x25456164, 0x3acaf2f8,
0x23c3e3e0, 0x3989b1b8, 0x3181b1b0, 0x1f8f939c, 0x1e4e525c, 0x39c9f1f8, 0x26c6e2e4, 0x3282b2b0,
0x31013130, 0x2acae2e8, 0x2d4d616c, 0x1f4f535c, 0x24c4e0e4, 0x30c0f0f0, 0x0dcdc1cc, 0x08888088,
0x16061214, 0x3a0a3238, 0x18485058, 0x14c4d0d4, 0x22426260, 0x29092128, 0x07070304, 0x33033330,
0x28c8e0e8, 0x1b0b1318, 0x05050104, 0x39497178, 0x10809090, 0x2a4a6268, 0x2a0a2228, 0x1a8a9298
};
private static final int SS1[] = {
0x38380830, 0xe828c8e0, 0x2c2d0d21, 0xa42686a2, 0xcc0fcfc3, 0xdc1eced2, 0xb03383b3, 0xb83888b0,
0xac2f8fa3, 0x60204060, 0x54154551, 0xc407c7c3, 0x44044440, 0x6c2f4f63, 0x682b4b63, 0x581b4b53,
0xc003c3c3, 0x60224262, 0x30330333, 0xb43585b1, 0x28290921, 0xa02080a0, 0xe022c2e2, 0xa42787a3,
0xd013c3d3, 0x90118191, 0x10110111, 0x04060602, 0x1c1c0c10, 0xbc3c8cb0, 0x34360632, 0x480b4b43,
0xec2fcfe3, 0x88088880, 0x6c2c4c60, 0xa82888a0, 0x14170713, 0xc404c4c0, 0x14160612, 0xf434c4f0,
0xc002c2c2, 0x44054541, 0xe021c1e1, 0xd416c6d2, 0x3c3f0f33, 0x3c3d0d31, 0x8c0e8e82, 0x98188890,
0x28280820, 0x4c0e4e42, 0xf436c6f2, 0x3c3e0e32, 0xa42585a1, 0xf839c9f1, 0x0c0d0d01, 0xdc1fcfd3,
0xd818c8d0, 0x282b0b23, 0x64264662, 0x783a4a72, 0x24270723, 0x2c2f0f23, 0xf031c1f1, 0x70324272,
0x40024242, 0xd414c4d0, 0x40014141, 0xc000c0c0, 0x70334373, 0x64274763, 0xac2c8ca0, 0x880b8b83,
0xf437c7f3, 0xac2d8da1, 0x80008080, 0x1c1f0f13, 0xc80acac2, 0x2c2c0c20, 0xa82a8aa2, 0x34340430,
0xd012c2d2, 0x080b0b03, 0xec2ecee2, 0xe829c9e1, 0x5c1d4d51, 0x94148490, 0x18180810, 0xf838c8f0,
0x54174753, 0xac2e8ea2, 0x08080800, 0xc405c5c1, 0x10130313, 0xcc0dcdc1, 0x84068682, 0xb83989b1,
0xfc3fcff3, 0x7c3d4d71, 0xc001c1c1, 0x30310131, 0xf435c5f1, 0x880a8a82, 0x682a4a62, 0xb03181b1,
0xd011c1d1, 0x20200020, 0xd417c7d3, 0x00020202, 0x20220222, 0x04040400, 0x68284860, 0x70314171,
0x04070703, 0xd81bcbd3, 0x9c1d8d91, 0x98198991, 0x60214161, 0xbc3e8eb2, 0xe426c6e2, 0x58194951,
0xdc1dcdd1, 0x50114151, 0x90108090, 0xdc1cccd0, 0x981a8a92, 0xa02383a3, 0xa82b8ba3, 0xd010c0d0,
0x80018181, 0x0c0f0f03, 0x44074743, 0x181a0a12, 0xe023c3e3, 0xec2ccce0, 0x8c0d8d81, 0xbc3f8fb3,
0x94168692, 0x783b4b73, 0x5c1c4c50, 0xa02282a2, 0xa02181a1, 0x60234363, 0x20230323, 0x4c0d4d41,
0xc808c8c0, 0x9c1e8e92, 0x9c1c8c90, 0x383a0a32, 0x0c0c0c00, 0x2c2e0e22, 0xb83a8ab2, 0x6c2e4e62,
0x9c1f8f93, 0x581a4a52, 0xf032c2f2, 0x90128292, 0xf033c3f3, 0x48094941, 0x78384870, 0xcc0cccc0,
0x14150511, 0xf83bcbf3, 0x70304070, 0x74354571, 0x7c3f4f73, 0x34350531, 0x10100010, 0x00030303,
0x64244460, 0x6c2d4d61, 0xc406c6c2, 0x74344470, 0xd415c5d1, 0xb43484b0, 0xe82acae2, 0x08090901,
0x74364672, 0x18190911, 0xfc3ecef2, 0x40004040, 0x10120212, 0xe020c0e0, 0xbc3d8db1, 0x04050501,
0xf83acaf2, 0x00010101, 0xf030c0f0, 0x282a0a22, 0x5c1e4e52, 0xa82989a1, 0x54164652, 0x40034343,
0x84058581, 0x14140410, 0x88098981, 0x981b8b93, 0xb03080b0, 0xe425c5e1, 0x48084840, 0x78394971,
0x94178793, 0xfc3cccf0, 0x1c1e0e12, 0x80028282, 0x20210121, 0x8c0c8c80, 0x181b0b13, 0x5c1f4f53,
0x74374773, 0x54144450, 0xb03282b2, 0x1c1d0d11, 0x24250521, 0x4c0f4f43, 0x00000000, 0x44064642,
0xec2dcde1, 0x58184850, 0x50124252, 0xe82bcbe3, 0x7c3e4e72, 0xd81acad2, 0xc809c9c1, 0xfc3dcdf1,
0x30300030, 0x94158591, 0x64254561, 0x3c3c0c30, 0xb43686b2, 0xe424c4e0, 0xb83b8bb3, 0x7c3c4c70,
0x0c0e0e02, 0x50104050, 0x38390931, 0x24260622, 0x30320232, 0x84048480, 0x68294961, 0x90138393,
0x34370733, 0xe427c7e3, 0x24240420, 0xa42484a0, 0xc80bcbc3, 0x50134353, 0x080a0a02, 0x84078783,
0xd819c9d1, 0x4c0c4c40, 0x80038383, 0x8c0f8f83, 0xcc0ecec2, 0x383b0b33, 0x480a4a42, 0xb43787b3
};
private static final int SS2[] = {
0xa1a82989, 0x81840585, 0xd2d416c6, 0xd3d013c3, 0x50541444, 0x111c1d0d, 0xa0ac2c8c, 0x21242505,
0x515c1d4d, 0x43400343, 0x10181808, 0x121c1e0e, 0x51501141, 0xf0fc3ccc, 0xc2c80aca, 0x63602343,
0x20282808, 0x40440444, 0x20202000, 0x919c1d8d, 0xe0e020c0, 0xe2e022c2, 0xc0c808c8, 0x13141707,
0xa1a42585, 0x838c0f8f, 0x03000303, 0x73783b4b, 0xb3b83b8b, 0x13101303, 0xd2d012c2, 0xe2ec2ece,
0x70703040, 0x808c0c8c, 0x333c3f0f, 0xa0a82888, 0x32303202, 0xd1dc1dcd, 0xf2f436c6, 0x70743444,
0xe0ec2ccc, 0x91941585, 0x03080b0b, 0x53541747, 0x505c1c4c, 0x53581b4b, 0xb1bc3d8d, 0x01000101,
0x20242404, 0x101c1c0c, 0x73703343, 0x90981888, 0x10101000, 0xc0cc0ccc, 0xf2f032c2, 0xd1d819c9,
0x202c2c0c, 0xe3e427c7, 0x72703242, 0x83800383, 0x93981b8b, 0xd1d011c1, 0x82840686, 0xc1c809c9,
0x60602040, 0x50501040, 0xa3a02383, 0xe3e82bcb, 0x010c0d0d, 0xb2b43686, 0x929c1e8e, 0x434c0f4f,
0xb3b43787, 0x52581a4a, 0xc2c406c6, 0x70783848, 0xa2a42686, 0x12101202, 0xa3ac2f8f, 0xd1d415c5,
0x61602141, 0xc3c003c3, 0xb0b43484, 0x41400141, 0x52501242, 0x717c3d4d, 0x818c0d8d, 0x00080808,
0x131c1f0f, 0x91981989, 0x00000000, 0x11181909, 0x00040404, 0x53501343, 0xf3f437c7, 0xe1e021c1,
0xf1fc3dcd, 0x72743646, 0x232c2f0f, 0x23242707, 0xb0b03080, 0x83880b8b, 0x020c0e0e, 0xa3a82b8b,
0xa2a02282, 0x626c2e4e, 0x93901383, 0x414c0d4d, 0x61682949, 0x707c3c4c, 0x01080909, 0x02080a0a,
0xb3bc3f8f, 0xe3ec2fcf, 0xf3f033c3, 0xc1c405c5, 0x83840787, 0x10141404, 0xf2fc3ece, 0x60642444,
0xd2dc1ece, 0x222c2e0e, 0x43480b4b, 0x12181a0a, 0x02040606, 0x21202101, 0x63682b4b, 0x62642646,
0x02000202, 0xf1f435c5, 0x92901282, 0x82880a8a, 0x000c0c0c, 0xb3b03383, 0x727c3e4e, 0xd0d010c0,
0x72783a4a, 0x43440747, 0x92941686, 0xe1e425c5, 0x22242606, 0x80800080, 0xa1ac2d8d, 0xd3dc1fcf,
0xa1a02181, 0x30303000, 0x33343707, 0xa2ac2e8e, 0x32343606, 0x11141505, 0x22202202, 0x30383808,
0xf0f434c4, 0xa3a42787, 0x41440545, 0x404c0c4c, 0x81800181, 0xe1e829c9, 0x80840484, 0x93941787,
0x31343505, 0xc3c80bcb, 0xc2cc0ece, 0x303c3c0c, 0x71703141, 0x11101101, 0xc3c407c7, 0x81880989,
0x71743545, 0xf3f83bcb, 0xd2d81aca, 0xf0f838c8, 0x90941484, 0x51581949, 0x82800282, 0xc0c404c4,
0xf3fc3fcf, 0x41480949, 0x31383909, 0x63642747, 0xc0c000c0, 0xc3cc0fcf, 0xd3d417c7, 0xb0b83888,
0x030c0f0f, 0x828c0e8e, 0x42400242, 0x23202303, 0x91901181, 0x606c2c4c, 0xd3d81bcb, 0xa0a42484,
0x30343404, 0xf1f031c1, 0x40480848, 0xc2c002c2, 0x636c2f4f, 0x313c3d0d, 0x212c2d0d, 0x40400040,
0xb2bc3e8e, 0x323c3e0e, 0xb0bc3c8c, 0xc1c001c1, 0xa2a82a8a, 0xb2b83a8a, 0x424c0e4e, 0x51541545,
0x33383b0b, 0xd0dc1ccc, 0x60682848, 0x737c3f4f, 0x909c1c8c, 0xd0d818c8, 0x42480a4a, 0x52541646,
0x73743747, 0xa0a02080, 0xe1ec2dcd, 0x42440646, 0xb1b43585, 0x23282b0b, 0x61642545, 0xf2f83aca,
0xe3e023c3, 0xb1b83989, 0xb1b03181, 0x939c1f8f, 0x525c1e4e, 0xf1f839c9, 0xe2e426c6, 0xb2b03282,
0x31303101, 0xe2e82aca, 0x616c2d4d, 0x535c1f4f, 0xe0e424c4, 0xf0f030c0, 0xc1cc0dcd, 0x80880888,
0x12141606, 0x32383a0a, 0x50581848, 0xd0d414c4, 0x62602242, 0x21282909, 0x03040707, 0x33303303,
0xe0e828c8, 0x13181b0b, 0x01040505, 0x71783949, 0x90901080, 0x62682a4a, 0x22282a0a, 0x92981a8a
};
private static final int SS3[] = {
0x08303838, 0xc8e0e828, 0x0d212c2d, 0x86a2a426, 0xcfc3cc0f, 0xced2dc1e, 0x83b3b033, 0x88b0b838,
0x8fa3ac2f, 0x40606020, 0x45515415, 0xc7c3c407, 0x44404404, 0x4f636c2f, 0x4b63682b, 0x4b53581b,
0xc3c3c003, 0x42626022, 0x03333033, 0x85b1b435, 0x09212829, 0x80a0a020, 0xc2e2e022, 0x87a3a427,
0xc3d3d013, 0x81919011, 0x01111011, 0x06020406, 0x0c101c1c, 0x8cb0bc3c, 0x06323436, 0x4b43480b,
0xcfe3ec2f, 0x88808808, 0x4c606c2c, 0x88a0a828, 0x07131417, 0xc4c0c404, 0x06121416, 0xc4f0f434,
0xc2c2c002, 0x45414405, 0xc1e1e021, 0xc6d2d416, 0x0f333c3f, 0x0d313c3d, 0x8e828c0e, 0x88909818,
0x08202828, 0x4e424c0e, 0xc6f2f436, 0x0e323c3e, 0x85a1a425, 0xc9f1f839, 0x0d010c0d, 0xcfd3dc1f,
0xc8d0d818, 0x0b23282b, 0x46626426, 0x4a72783a, 0x07232427, 0x0f232c2f, 0xc1f1f031, 0x42727032,
0x42424002, 0xc4d0d414, 0x41414001, 0xc0c0c000, 0x43737033, 0x47636427, 0x8ca0ac2c, 0x8b83880b,
0xc7f3f437, 0x8da1ac2d, 0x80808000, 0x0f131c1f, 0xcac2c80a, 0x0c202c2c, 0x8aa2a82a, 0x04303434,
0xc2d2d012, 0x0b03080b, 0xcee2ec2e, 0xc9e1e829, 0x4d515c1d, 0x84909414, 0x08101818, 0xc8f0f838,
0x47535417, 0x8ea2ac2e, 0x08000808, 0xc5c1c405, 0x03131013, 0xcdc1cc0d, 0x86828406, 0x89b1b839,
0xcff3fc3f, 0x4d717c3d, 0xc1c1c001, 0x01313031, 0xc5f1f435, 0x8a82880a, 0x4a62682a, 0x81b1b031,
0xc1d1d011, 0x00202020, 0xc7d3d417, 0x02020002, 0x02222022, 0x04000404, 0x48606828, 0x41717031,
0x07030407, 0xcbd3d81b, 0x8d919c1d, 0x89919819, 0x41616021, 0x8eb2bc3e, 0xc6e2e426, 0x49515819,
0xcdd1dc1d, 0x41515011, 0x80909010, 0xccd0dc1c, 0x8a92981a, 0x83a3a023, 0x8ba3a82b, 0xc0d0d010,
0x81818001, 0x0f030c0f, 0x47434407, 0x0a12181a, 0xc3e3e023, 0xcce0ec2c, 0x8d818c0d, 0x8fb3bc3f,
0x86929416, 0x4b73783b, 0x4c505c1c, 0x82a2a022, 0x81a1a021, 0x43636023, 0x03232023, 0x4d414c0d,
0xc8c0c808, 0x8e929c1e, 0x8c909c1c, 0x0a32383a, 0x0c000c0c, 0x0e222c2e, 0x8ab2b83a, 0x4e626c2e,
0x8f939c1f, 0x4a52581a, 0xc2f2f032, 0x82929012, 0xc3f3f033, 0x49414809, 0x48707838, 0xccc0cc0c,
0x05111415, 0xcbf3f83b, 0x40707030, 0x45717435, 0x4f737c3f, 0x05313435, 0x00101010, 0x03030003,
0x44606424, 0x4d616c2d, 0xc6c2c406, 0x44707434, 0xc5d1d415, 0x84b0b434, 0xcae2e82a, 0x09010809,
0x46727436, 0x09111819, 0xcef2fc3e, 0x40404000, 0x02121012, 0xc0e0e020, 0x8db1bc3d, 0x05010405,
0xcaf2f83a, 0x01010001, 0xc0f0f030, 0x0a22282a, 0x4e525c1e, 0x89a1a829, 0x46525416, 0x43434003,
0x85818405, 0x04101414, 0x89818809, 0x8b93981b, 0x80b0b030, 0xc5e1e425, 0x48404808, 0x49717839,
0x87939417, 0xccf0fc3c, 0x0e121c1e, 0x82828002, 0x01212021, 0x8c808c0c, 0x0b13181b, 0x4f535c1f,
0x47737437, 0x44505414, 0x82b2b032, 0x0d111c1d, 0x05212425, 0x4f434c0f, 0x00000000, 0x46424406,
0xcde1ec2d, 0x48505818, 0x42525012, 0xcbe3e82b, 0x4e727c3e, 0xcad2d81a, 0xc9c1c809, 0xcdf1fc3d,
0x00303030, 0x85919415, 0x45616425, 0x0c303c3c, 0x86b2b436, 0xc4e0e424, 0x8bb3b83b, 0x4c707c3c,
0x0e020c0e, 0x40505010, 0x09313839, 0x06222426, 0x02323032, 0x84808404, 0x49616829, 0x83939013,
0x07333437, 0xc7e3e427, 0x04202424, 0x84a0a424, 0xcbc3c80b, 0x43535013, 0x0a02080a, 0x87838407,
0xc9d1d819, 0x4c404c0c, 0x83838003, 0x8f838c0f, 0xcec2cc0e, 0x0b33383b, 0x4a42480a, 0x87b3b437
};
/************************** Constants for Key schedule ************************/
//KC0 = golden ratio; KCi = ROTL(KCi-1, 1)
private static final int[] KC = {
0x9e3779b9, 0x3c6ef373, 0x78dde6e6, 0xf1bbcdcc, 0xe3779b99, 0xc6ef3733, 0x8dde6e67, 0x1bbcdccf,
0x3779b99e, 0x6ef3733c, 0xdde6e678, 0xbbcdccf1, 0x779b99e3, 0xef3733c6, 0xde6e678d, 0xbcdccf1b
};
/**************************** Defining Endianness *****************************/
// If endianness is not defined correctly, you must modify here.
//private static Boolean LITTLE = false;
private static final Boolean BIG = true;
private static final Boolean ENDIAN = BIG; // Java virtual machine uses big endian as a default
//private static Boolean ENDIAN = LITTLE;
/**************************** Constant Definitions ****************************/
//private static int NoRounds = 16; // the number of rounds
//private int NoRoundKeys = 32; // the number of round-keys
//private int SeedBlockSize = 16; // block length in bytes
//private int SeedBlockLen = 128; // block length in bits
/****************************** Common functions ******************************/
private static int GetB0(int A){ return (int)(0x000000ff&(A) ); };
private static int GetB1(int A){ return (int)(0x000000ff&((A)>>>8)); };
private static int GetB2(int A){ return (int)(0x000000ff&((A)>>>16)); };
private static int GetB3(int A){ return (int)(0x000000ff&((A)>>>24)); };
private static void EndianChange(int dws[]) { dws[0] = (dws[0]>>>24) | (dws[0]<<24) | ((dws[0]<<8)&0x00ff0000)|((dws[0]>>>8)&0x0000ff00); };
private static int EndianChange(int dws) { return (dws>>>24) | (dws<<24) | ((dws<<8)&0x00ff0000)|((dws>>>8)&0x0000ff00); };
/****************************** Seed 암호화를 위한 멤버필드 **********************/
private static final int pdwRoundKey[] = new int[32];
// User secret key - mynameisheesungy
private static final byte pbUserKey[] = {(byte)0x6d, (byte)0x79, (byte)0x6e, (byte)0x61,
(byte)0x6d, (byte)0x65, (byte)0x69, (byte)0x73,
(byte)0x68, (byte)0x65, (byte)0x65, (byte)0x73,
(byte)0x75, (byte)0x6e, (byte)0x67, (byte)0x79};
// 사용자 입력 문자열 저장
private static byte pbData[] = new byte[16];
// input plaintext to be encrypted
private static byte pbCipher[] = new byte[16];
private static byte pbPlain[] = new byte[16];
/***************************** Static 초기화 ************************************/
static{
SeedRoundKey(pdwRoundKey, pbUserKey);
}
/***************************** SEED round function ****************************/
private static void SeedRound(
int L0[], int L1[], // [in, out] left-side variable at each round
int R0[], int R1[], // [in] right-side variable at each round
int K[]){ // [in] round keys at each round
int T0, T1;
long T00=0, T11=0;
// F-function
T0 = R0[0] ^ K[0];
T1 = R1[0] ^ K[1];
T1 ^= T0;
T00 = (T0<0) ? (long)(T0 & 0x7fffffff)|(long)(0x80000000) : (long)(T0);
T1 = SS0[GetB0(T1)] ^ SS1[GetB1(T1)] ^ SS2[GetB2(T1)] ^ SS3[GetB3(T1)];
T11 = (T1<0) ? (long)(T1 & 0x7fffffff)|(long)(0x80000000) : (long)(T1);
T00 += T11;
T0 = SS0[GetB0((int)T00)] ^ SS1[GetB1((int)T00)] ^ SS2[GetB2((int)T00)] ^ SS3[GetB3((int)T00)];
T00 = (T0<0) ? (long)(T0 & 0x7fffffff)|(long)(0x80000000) : (long)(T0);
T11 += T00;
T1 = SS0[GetB0((int)T11)] ^ SS1[GetB1((int)T11)] ^ SS2[GetB2((int)T11)] ^ SS3[GetB3((int)T11)];
T11 = (T1<0) ? (long)(T1 & 0x7fffffff)|(long)(0x80000000) : (long)(T1);
T00 += T11;
//output of F function is added to left-side variable
L0[0] ^= (int)T00; L1[0] ^= (int)T11;
};
/************************** SEED encrtyption function *************************/
private static void SeedEncrypt(
byte pbData[], // [in] data to be encrypted
int pdwRoundKey[], // [in] round keys for encryption
byte outData[]){ // [out] encrypted data
int L0[] = new int[1]; int L1[] = new int[1];
int R0[] = new int[1]; int R1[] = new int[1];
L0[0] = 0x0; L1[0] = 0x0; R0[0] = 0x0; R1[0] = 0x0;
int K[] = new int[2];
int nCount = 0;
//Set up input values for encryption
L0[0] = ((int)pbData[0]&0x000000ff);
L0[0] = ((L0[0])<<8)^((int)pbData[1]&0x000000ff);
L0[0] = ((L0[0])<<8)^((int)pbData[2]&0x000000ff);
L0[0] = ((L0[0])<<8)^((int)pbData[3]&0x000000ff);
L1[0] = ((int)pbData[4]&0x000000ff);
L1[0] = ((L1[0])<<8)^((int)pbData[5]&0x000000ff);
L1[0] = ((L1[0])<<8)^((int)pbData[6]&0x000000ff);
L1[0] = ((L1[0])<<8)^((int)pbData[7]&0x000000ff);
R0[0] = ((int)pbData[8]&0x000000ff);
R0[0] = ((R0[0])<<8)^((int)pbData[9]&0x000000ff);
R0[0] = ((R0[0])<<8)^((int)pbData[10]&0x000000ff);
R0[0] = ((R0[0])<<8)^((int)pbData[11]&0x000000ff);
R1[0] = ((int)pbData[12]&0x000000ff);
R1[0] = ((R1[0])<<8)^((int)pbData[13]&0x000000ff);
R1[0] = ((R1[0])<<8)^((int)pbData[14]&0x000000ff);
R1[0] = ((R1[0])<<8)^((int)pbData[15]&0x000000ff);
//Reorder for little endian
//Because java virtual machine use big endian order in default
if (!ENDIAN) {EndianChange(L0); EndianChange(L1); EndianChange(R0); EndianChange(R1);};
K[0] = pdwRoundKey[nCount++]; K[1] = pdwRoundKey[nCount++];
SeedRound(L0, L1, R0, R1, K); /* 1 */
K[0] = pdwRoundKey[nCount++]; K[1] = pdwRoundKey[nCount++];
SeedRound(R0, R1, L0, L1, K); /* 2 */
K[0] = pdwRoundKey[nCount++]; K[1] = pdwRoundKey[nCount++];
SeedRound(L0, L1, R0, R1, K); /* 3 */
K[0] = pdwRoundKey[nCount++]; K[1] = pdwRoundKey[nCount++];
SeedRound(R0, R1, L0, L1, K); /* 4 */
K[0] = pdwRoundKey[nCount++]; K[1] = pdwRoundKey[nCount++];
SeedRound(L0, L1, R0, R1, K); /* 5 */
K[0] = pdwRoundKey[nCount++]; K[1] = pdwRoundKey[nCount++];
SeedRound(R0, R1, L0, L1, K); /* 6 */
K[0] = pdwRoundKey[nCount++]; K[1] = pdwRoundKey[nCount++];
SeedRound(L0, L1, R0, R1, K); /* 7 */
K[0] = pdwRoundKey[nCount++]; K[1] = pdwRoundKey[nCount++];
SeedRound(R0, R1, L0, L1, K); /* 8 */
K[0] = pdwRoundKey[nCount++]; K[1] = pdwRoundKey[nCount++];
SeedRound(L0, L1, R0, R1, K); /* 9 */
K[0] = pdwRoundKey[nCount++]; K[1] = pdwRoundKey[nCount++];
SeedRound(R0, R1, L0, L1, K); /* 10 */
K[0] = pdwRoundKey[nCount++]; K[1] = pdwRoundKey[nCount++];
SeedRound(L0, L1, R0, R1, K); /* 11 */
K[0] = pdwRoundKey[nCount++]; K[1] = pdwRoundKey[nCount++];
SeedRound(R0, R1, L0, L1, K); /* 12 */
K[0] = pdwRoundKey[nCount++]; K[1] = pdwRoundKey[nCount++];
SeedRound(L0, L1, R0, R1, K); /* 13 */
K[0] = pdwRoundKey[nCount++]; K[1] = pdwRoundKey[nCount++];
SeedRound(R0, R1, L0, L1, K); /* 14 */
K[0] = pdwRoundKey[nCount++]; K[1] = pdwRoundKey[nCount++];
SeedRound(L0, L1, R0, R1, K); /* 15 */
K[0] = pdwRoundKey[nCount++]; K[1] = pdwRoundKey[nCount++];
SeedRound(R0, R1, L0, L1, K); /* 16 */
if (!ENDIAN) {EndianChange(L0); EndianChange(L1); EndianChange(R0); EndianChange(R1);};
//Copying output values from last round to outData
for (int i=0; i<4; i++){
outData[i ] = (byte)(((R0[0])>>>(8*(3-i)))&0xff);
outData[4+i ] = (byte)(((R1[0])>>>(8*(3-i)))&0xff);
outData[8+i ] = (byte)(((L0[0])>>>(8*(3-i)))&0xff);
outData[12+i] = (byte)(((L1[0])>>>(8*(3-i)))&0xff);
}
}
/************************** SEED decrtyption function *************************/
// Same as encrypt, except that round keys are applied in reverse order
private static void SeedDecrypt(
byte pbData[], // [in] encrypted data
int pdwRoundKey[], // [in] round keys for decryption
byte outData[]){ // [out] data to be encrypted
int L0[] = new int[1]; int L1[] = new int[1];
int R0[] = new int[1]; int R1[] = new int[1];
int K[] = new int[2];
L0[0] = 0x0; L1[0] = 0x0; R0[0] = 0x0; R1[0] = 0x0;
int nCount = 31;
// Set up input values for decryption
L0[0] = ((int)pbData[0]&0x000000ff);
L0[0] = ((L0[0])<<8)^((int)pbData[1]&0x000000ff);
L0[0] = ((L0[0])<<8)^((int)pbData[2]&0x000000ff);
L0[0] = ((L0[0])<<8)^((int)pbData[3]&0x000000ff);
L1[0] = ((int)pbData[4]&0x000000ff);
L1[0] = ((L1[0])<<8)^((int)pbData[5]&0x000000ff);
L1[0] = ((L1[0])<<8)^((int)pbData[6]&0x000000ff);
L1[0] = ((L1[0])<<8)^((int)pbData[7]&0x000000ff);
R0[0] = ((int)pbData[8]&0x000000ff);
R0[0] = ((R0[0])<<8)^((int)pbData[9]&0x000000ff);
R0[0] = ((R0[0])<<8)^((int)pbData[10]&0x000000ff);
R0[0] = ((R0[0])<<8)^((int)pbData[11]&0x000000ff);
R1[0] = ((int)pbData[12]&0x000000ff);
R1[0] = ((R1[0])<<8)^((int)pbData[13]&0x000000ff);
R1[0] = ((R1[0])<<8)^((int)pbData[14]&0x000000ff);
R1[0] = ((R1[0])<<8)^((int)pbData[15]&0x000000ff);
// Reorder for little endian
if (!ENDIAN) {EndianChange(L0); EndianChange(L1); EndianChange(R0); EndianChange(R1);};
K[1] = pdwRoundKey[nCount--]; K[0] = pdwRoundKey[nCount--];
SeedRound(L0, L1, R0, R1, K); /* 1 */
K[1] = pdwRoundKey[nCount--]; K[0] = pdwRoundKey[nCount--];
SeedRound(R0, R1, L0, L1, K); /* 2 */
K[1] = pdwRoundKey[nCount--]; K[0] = pdwRoundKey[nCount--];
SeedRound(L0, L1, R0, R1, K); /* 3 */
K[1] = pdwRoundKey[nCount--]; K[0] = pdwRoundKey[nCount--];
SeedRound(R0, R1, L0, L1, K); /* 4 */
K[1] = pdwRoundKey[nCount--]; K[0] = pdwRoundKey[nCount--];
SeedRound(L0, L1, R0, R1, K); /* 5 */
K[1] = pdwRoundKey[nCount--]; K[0] = pdwRoundKey[nCount--];
SeedRound(R0, R1, L0, L1, K); /* 6 */
K[1] = pdwRoundKey[nCount--]; K[0] = pdwRoundKey[nCount--];
SeedRound(L0, L1, R0, R1, K); /* 7 */
K[1] = pdwRoundKey[nCount--]; K[0] = pdwRoundKey[nCount--];
SeedRound(R0, R1, L0, L1, K); /* 8 */
K[1] = pdwRoundKey[nCount--]; K[0] = pdwRoundKey[nCount--];
SeedRound(L0, L1, R0, R1, K); /* 9 */
K[1] = pdwRoundKey[nCount--]; K[0] = pdwRoundKey[nCount--];
SeedRound(R0, R1, L0, L1, K); /* 10 */
K[1] = pdwRoundKey[nCount--]; K[0] = pdwRoundKey[nCount--];
SeedRound(L0, L1, R0, R1, K); /* 11 */
K[1] = pdwRoundKey[nCount--]; K[0] = pdwRoundKey[nCount--];
SeedRound(R0, R1, L0, L1, K); /* 12 */
K[1] = pdwRoundKey[nCount--]; K[0] = pdwRoundKey[nCount--];
SeedRound(L0, L1, R0, R1, K); /* 13 */
K[1] = pdwRoundKey[nCount--]; K[0] = pdwRoundKey[nCount--];
SeedRound(R0, R1, L0, L1, K); /* 14 */
K[1] = pdwRoundKey[nCount--]; K[0] = pdwRoundKey[nCount--];
SeedRound(L0, L1, R0, R1, K); /* 15 */
K[1] = pdwRoundKey[nCount--]; K[0] = pdwRoundKey[nCount];
SeedRound(R0, R1, L0, L1, K); /* 16 */
if (!ENDIAN) {EndianChange(L0); EndianChange(L1); EndianChange(R0); EndianChange(R1);};
// Copy output values from last round to outData
for (int i=0; i<4; i++)
{
outData[i ] = (byte)(((R0[0])>>>(8*(3-i)))&0xff);
outData[4+i ] = (byte)(((R1[0])>>>(8*(3-i)))&0xff);
outData[8+i ] = (byte)(((L0[0])>>>(8*(3-i)))&0xff);
outData[12+i] = (byte)(((L1[0])>>>(8*(3-i)))&0xff);
}
}
/************************ Functions for Key schedule **************************/
private static void EncRoundKeyUpdate0(int K[], int A[], int B[], int C[], int D[], int Z){
//int T0, T1;
int T0;
int T00, T11;
T0 = A[0];
A[0] = (A[0]>>>8) ^ (B[0]<<24);
B[0] = (B[0]>>>8) ^ (T0<<24);
T00 = (int)A[0] + (int)C[0] - (int)KC[Z];
T11 = (int)B[0] + (int)KC[Z] - (int)D[0];
K[0] = SS0[GetB0((int)T00)] ^ SS1[GetB1((int)T00)] ^ SS2[GetB2((int)T00)] ^ SS3[GetB3((int)T00)];
K[1] = SS0[GetB0((int)T11)] ^ SS1[GetB1((int)T11)] ^ SS2[GetB2((int)T11)] ^ SS3[GetB3((int)T11)];
}
private static void EncRoundKeyUpdate1(int K[], int A[], int B[], int C[], int D[], int Z){
//int T0, T1;
int T0;
int T00, T11;
T0 = C[0];
C[0] = (C[0]<<8) ^ (D[0]>>>24);
D[0] = (D[0]<<8) ^ (T0>>>24);
T00 = (int)A[0] + (int)C[0] - (int)KC[Z];
T11 = (int)B[0] + (int)KC[Z] - (int)D[0];
K[0] = SS0[GetB0((int)T00)] ^ SS1[GetB1((int)T00)] ^ SS2[GetB2((int)T00)] ^ SS3[GetB3((int)T00)];
K[1] = SS0[GetB0((int)T11)] ^ SS1[GetB1((int)T11)] ^ SS2[GetB2((int)T11)] ^ SS3[GetB3((int)T11)];
}
/******************************** Key Schedule ********************************/
private static void SeedRoundKey(
int pdwRoundKey[], // [out] round keys for encryption or decryption
byte pbUserKey[]){ // [in] secret user key
int A[] = new int[1];
int B[] = new int[1];
int C[] = new int[1];
int D[] = new int[1];
int K[] = new int[2];
int T0, T1;
int nCount = 2;
// Set up input values for Key Schedule
A[0] = ((int)pbUserKey[0]&0x000000ff);
A[0] = (A[0]<<8)^((int)pbUserKey[1]&0x000000ff);
A[0] = (A[0]<<8)^((int)pbUserKey[2]&0x000000ff);
A[0] = (A[0]<<8)^((int)pbUserKey[3]&0x000000ff);
B[0] = ((int)pbUserKey[4]&0x000000ff);
B[0] = (B[0]<<8)^((int)pbUserKey[5]&0x000000ff);
B[0] = (B[0]<<8)^((int)pbUserKey[6]&0x000000ff);
B[0] = (B[0]<<8)^((int)pbUserKey[7]&0x000000ff);
C[0] = ((int)pbUserKey[8]&0x000000ff);
C[0] = (C[0]<<8)^((int)pbUserKey[9]&0x000000ff);
C[0] = (C[0]<<8)^((int)pbUserKey[10]&0x000000ff);
C[0] = (C[0]<<8)^((int)pbUserKey[11]&0x000000ff);
D[0] = ((int)pbUserKey[12]&0x000000ff);
D[0] = (D[0]<<8)^((int)pbUserKey[13]&0x000000ff);
D[0] = (D[0]<<8)^((int)pbUserKey[14]&0x000000ff);
D[0] = (D[0]<<8)^((int)pbUserKey[15]&0x000000ff);
// reorder for little endian
if (!ENDIAN) {A[0]=EndianChange(A[0]); B[0]=EndianChange(B[0]); C[0]=EndianChange(C[0]); D[0]=EndianChange(D[0]);};
T0 = (int)A[0] + (int)C[0] - (int)KC[0];
T1 = (int)B[0] - (int)D[0] + (int)KC[0];
pdwRoundKey[0] = SS0[GetB0((int)T0)] ^ SS1[GetB1((int)T0)] ^ SS2[GetB2((int)T0)] ^ SS3[GetB3((int)T0)];
pdwRoundKey[1] = SS0[GetB0((int)T1)] ^ SS1[GetB1((int)T1)] ^ SS2[GetB2((int)T1)] ^ SS3[GetB3((int)T1)];
EncRoundKeyUpdate0(K, A, B, C, D, 1 );
pdwRoundKey[nCount++] = K[0]; pdwRoundKey[nCount++] = K[1];
EncRoundKeyUpdate1(K, A, B, C, D, 2 );
pdwRoundKey[nCount++] = K[0]; pdwRoundKey[nCount++] = K[1];
EncRoundKeyUpdate0(K, A, B, C, D, 3 );
pdwRoundKey[nCount++] = K[0]; pdwRoundKey[nCount++] = K[1];
EncRoundKeyUpdate1(K, A, B, C, D, 4 );
pdwRoundKey[nCount++] = K[0]; pdwRoundKey[nCount++] = K[1];
EncRoundKeyUpdate0(K, A, B, C, D, 5 );
pdwRoundKey[nCount++] = K[0]; pdwRoundKey[nCount++] = K[1];
EncRoundKeyUpdate1(K, A, B, C, D, 6 );
pdwRoundKey[nCount++] = K[0]; pdwRoundKey[nCount++] = K[1];
EncRoundKeyUpdate0(K, A, B, C, D, 7 );
pdwRoundKey[nCount++] = K[0]; pdwRoundKey[nCount++] = K[1];
EncRoundKeyUpdate1(K, A, B, C, D, 8 );
pdwRoundKey[nCount++] = K[0]; pdwRoundKey[nCount++] = K[1];
EncRoundKeyUpdate0(K, A, B, C, D, 9 );
pdwRoundKey[nCount++] = K[0]; pdwRoundKey[nCount++] = K[1];
EncRoundKeyUpdate1(K, A, B, C, D, 10);
pdwRoundKey[nCount++] = K[0]; pdwRoundKey[nCount++] = K[1];
EncRoundKeyUpdate0(K, A, B, C, D, 11);
pdwRoundKey[nCount++] = K[0]; pdwRoundKey[nCount++] = K[1];
EncRoundKeyUpdate1(K, A, B, C, D, 12);
pdwRoundKey[nCount++] = K[0]; pdwRoundKey[nCount++] = K[1];
EncRoundKeyUpdate0(K, A, B, C, D, 13);
pdwRoundKey[nCount++] = K[0]; pdwRoundKey[nCount++] = K[1];
EncRoundKeyUpdate1(K, A, B, C, D, 14);
pdwRoundKey[nCount++] = K[0]; pdwRoundKey[nCount++] = K[1];
EncRoundKeyUpdate0(K, A, B, C, D, 15);
pdwRoundKey[nCount++] = K[0]; pdwRoundKey[nCount++] = K[1];
}
/****************************** 사용자 정의 함수 *******************************/
// 암호화 함수
public static String getPbCipher(String str){
padding(str); // 16 자가 되지 않으면 (byte)0x00 으로 채워준다.
SeedEncrypt(pbData, pdwRoundKey, pbCipher);
return toString(pbCipher);
}
// 복호화 함수
public static String getPbPlain(String str){
pbCipher = toByte(str); // String을 byte[]로 변환
SeedDecrypt(pbCipher, pdwRoundKey, pbPlain);
return toString(pbPlain);
}
/************** 형변환 함수!
* ( byte 값에 음수 값이 있어서 str.getBytes(), byte.toString()이
* 제데로 동작하지 않아서 만들어 준 함수 )
* ***************/
// Byte[]을 받아서 String 을 리턴한다.
public static String toString(byte[] b){
StringBuffer sb = new StringBuffer();
for(int i=0; i<b.length; i++){
sb.append((char)b[i]);
}
return sb.toString();
}
// String을 받아서 Byte[]을 리턴한다.
public static byte[] toByte(String str){
byte[] b = new byte[str.length()];
for(int i=0; i<b.length; i++){
b[i] = (byte)str.charAt(i);
}
return b;
}
// 16자가 되지 않으면 (byte)0x00 으로 채워준다.
private static void padding(String str){
if(str.length() > pbData.length){
pbData = null;
return;
}
for(int i=0; i<pbData.length; i++){
if(i < str.length()){
pbData[i] = (byte)str.charAt(i);
}else{
pbData[i] = (byte)0x00;
}
}
}
}

1066
src/main/java/seed/utils/SeedUtils.java Normal file
View File

File diff suppressed because it is too large Load Diff