2020-1-capstone-design2 / 2013104053

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042085fc 1 parent 3b3aebdf

Implementation completed

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Showing 7 changed files with 504 additions and 67 deletions
...@@ -48,6 +48,11 @@ class DecryptWindow extends Frame { ...@@ -48,6 +48,11 @@ class DecryptWindow extends Frame {
48 String folderDir = ".\\" + userId + "\\Encrypted"; 48 String folderDir = ".\\" + userId + "\\Encrypted";
49 49
50 final File dirToLock = new File(folderDir); 50 final File dirToLock = new File(folderDir);
51 + if(!dirToLock.exists())
52 + {
53 + JOptionPane.showMessageDialog(null,"No files have been encrypted!");
54 + return;
55 + }
51 JFileChooser jfc = new JFileChooser(dirToLock); 56 JFileChooser jfc = new JFileChooser(dirToLock);
52 jfc.setFileView(new FileView() { 57 jfc.setFileView(new FileView() {
53 @Override 58 @Override
...@@ -62,7 +67,7 @@ class DecryptWindow extends Frame { ...@@ -62,7 +67,7 @@ class DecryptWindow extends Frame {
62 67
63 lpwd = new Label("Enter password: ",Label.RIGHT); 68 lpwd = new Label("Enter password: ",Label.RIGHT);
64 69
65 - lmod = new Label("열람 목적: ",Label.RIGHT); 70 + lmod = new Label("Enter purpose: ",Label.RIGHT);
66 71
67 72
68 //약 10개의 글자를 입력할 수 있는 TextField 생성. 73 //약 10개의 글자를 입력할 수 있는 TextField 생성.
...@@ -71,7 +76,7 @@ class DecryptWindow extends Frame { ...@@ -71,7 +76,7 @@ class DecryptWindow extends Frame {
71 76
72 tfMod = new TextField(10); 77 tfMod = new TextField(10);
73 //입력한 값 대신 '*'이 보이게 한다. 78 //입력한 값 대신 '*'이 보이게 한다.
74 - 79 + tfPwd.setEchoChar('*');
75 80
76 81
77 ok = new Button("OK"); 82 ok = new Button("OK");
...@@ -102,7 +107,9 @@ class DecryptWindow extends Frame { ...@@ -102,7 +107,9 @@ class DecryptWindow extends Frame {
102 107
103 add(ok); 108 add(ok);
104 109
105 - setSize(450,65); 110 + setSize(450,100);
111 +
112 + this.setLocationRelativeTo(null);
106 113
107 //화면이 보이게 한다. 114 //화면이 보이게 한다.
108 115
...@@ -126,6 +133,12 @@ class DecryptWindow extends Frame { ...@@ -126,6 +133,12 @@ class DecryptWindow extends Frame {
126 133
127 dispose(); 134 dispose();
128 135
136 + if(tfMod.getText().length() < 1)
137 + {
138 + JOptionPane.showMessageDialog(null,"Purpose cannot be null.");
139 + return;
140 + }
141 +
129 String passwd = userId + ' ' + tfPwd.getText(); 142 String passwd = userId + ' ' + tfPwd.getText();
130 char[] password = passwd.toCharArray(); 143 char[] password = passwd.toCharArray();
131 String passwd2 = userId + ' ' + userPW; 144 String passwd2 = userId + ' ' + userPW;
...@@ -151,7 +164,11 @@ class DecryptWindow extends Frame { ...@@ -151,7 +164,11 @@ class DecryptWindow extends Frame {
151 } catch (IOException ioException) { 164 } catch (IOException ioException) {
152 ioException.printStackTrace(); 165 ioException.printStackTrace();
153 } catch (GeneralSecurityException generalSecurityException) { 166 } catch (GeneralSecurityException generalSecurityException) {
154 - generalSecurityException.printStackTrace(); 167 + String tempdir = ".\\" + userId + "\\logs\\" + fileName + ".txt";
168 + File temp = new File(tempdir);
169 + temp.delete();
170 + JOptionPane.showMessageDialog(null,"Password is invalid!");
171 + return;
155 } 172 }
156 173
157 dir = ".\\" + userId + "\\logs\\" + fileName + ".txt"; 174 dir = ".\\" + userId + "\\logs\\" + fileName + ".txt";
...@@ -175,7 +192,7 @@ class DecryptWindow extends Frame { ...@@ -175,7 +192,7 @@ class DecryptWindow extends Frame {
175 Date time = new Date(); 192 Date time = new Date();
176 193
177 String time1 = format1.format(time); 194 String time1 = format1.format(time);
178 - String toWrite = "열람\t" + time1 + '\t' + modeIn + '\n'; 195 + String toWrite = "OPN\t" + time1 + '\t' + modeIn + '\n';
179 byte[] b = toWrite.getBytes(); 196 byte[] b = toWrite.getBytes();
180 try { 197 try {
181 fos.write(b); 198 fos.write(b);
......
...@@ -6,8 +6,12 @@ import java.awt.*; ...@@ -6,8 +6,12 @@ import java.awt.*;
6 import java.awt.event.ActionEvent; 6 import java.awt.event.ActionEvent;
7 import java.awt.event.ActionListener; 7 import java.awt.event.ActionListener;
8 import java.io.File; 8 import java.io.File;
9 +import java.io.FileNotFoundException;
10 +import java.io.FileOutputStream;
9 import java.io.IOException; 11 import java.io.IOException;
10 import java.security.GeneralSecurityException; 12 import java.security.GeneralSecurityException;
13 +import java.text.SimpleDateFormat;
14 +import java.util.Date;
11 15
12 class DeleteEncypted extends Frame { 16 class DeleteEncypted extends Frame {
13 17
...@@ -33,6 +37,11 @@ class DeleteEncypted extends Frame { ...@@ -33,6 +37,11 @@ class DeleteEncypted extends Frame {
33 String folderDir = ".\\" + userId + "\\Encrypted"; 37 String folderDir = ".\\" + userId + "\\Encrypted";
34 38
35 final File dirToLock = new File(folderDir); 39 final File dirToLock = new File(folderDir);
40 + if(!dirToLock.exists())
41 + {
42 + JOptionPane.showMessageDialog(null,"No files have been encrypted!");
43 + return;
44 + }
36 JFileChooser jfc = new JFileChooser(dirToLock); 45 JFileChooser jfc = new JFileChooser(dirToLock);
37 jfc.setFileView(new FileView() { 46 jfc.setFileView(new FileView() {
38 @Override 47 @Override
...@@ -48,7 +57,61 @@ class DeleteEncypted extends Frame { ...@@ -48,7 +57,61 @@ class DeleteEncypted extends Frame {
48 57
49 if(file.exists()) 58 if(file.exists())
50 { 59 {
51 - file.deleteOnExit(); 60 + String fileName = file.getName();
61 + String passwd2 = userId + ' ' + userPW;
62 + char[] password2 = passwd2.toCharArray();
63 + String dir = ".\\" + userId + "\\logs\\" + fileName + ".txt";
64 + String dir2 = ".\\" + userId + "\\logs\\" + fileName + ".log";
65 +
66 + try {
67 + Cryptor.decrypt(dir2, dir, password2);
68 + } catch (IOException ioException) {
69 + ioException.printStackTrace();
70 + } catch (GeneralSecurityException generalSecurityException) {
71 + generalSecurityException.printStackTrace();
72 + }
73 +
74 + FileOutputStream fos = null;
75 + try {
76 + fos = new FileOutputStream(dir,true);
77 + } catch (FileNotFoundException fileNotFoundException) {
78 + fileNotFoundException.printStackTrace();
79 + }
80 + SimpleDateFormat format1 = new SimpleDateFormat( "yyyy-MM-dd HH:mm");
81 +
82 + Date time = new Date();
83 +
84 + String time1 = format1.format(time);
85 + String toWrite = "DEL\t" + time1 + '\t' + "Finished using File" + '\n';
86 + byte[] b = toWrite.getBytes();
87 + try {
88 + fos.write(b);
89 + } catch (IOException ioException) {
90 + ioException.printStackTrace();
91 + }
92 + try {
93 + fos.flush();
94 + } catch (IOException ioException) {
95 + ioException.printStackTrace();
96 + }
97 + try {
98 + fos.close();
99 + } catch (IOException ioException) {
100 + ioException.printStackTrace();
101 + }
102 +
103 + try {
104 + Cryptor.encrypt(dir, dir2, password2);
105 + } catch (IOException ioException) {
106 + ioException.printStackTrace();
107 + } catch (GeneralSecurityException generalSecurityException) {
108 + generalSecurityException.printStackTrace();
109 + }
110 +
111 + File temp = new File(dir);
112 + temp.delete();
113 +
114 + file.delete();
52 } 115 }
53 } 116 }
54 117
......
...@@ -51,7 +51,7 @@ class EncryptWindow extends Frame { ...@@ -51,7 +51,7 @@ class EncryptWindow extends Frame {
51 51
52 lpwd = new Label("Enter password: ",Label.RIGHT); 52 lpwd = new Label("Enter password: ",Label.RIGHT);
53 53
54 - lmod = new Label("사용 목적: ",Label.RIGHT); 54 + lmod = new Label("Enter purpose: ",Label.RIGHT);
55 55
56 56
57 //약 10개의 글자를 입력할 수 있는 TextField 생성. 57 //약 10개의 글자를 입력할 수 있는 TextField 생성.
...@@ -60,7 +60,7 @@ class EncryptWindow extends Frame { ...@@ -60,7 +60,7 @@ class EncryptWindow extends Frame {
60 60
61 tfMod = new TextField(10); 61 tfMod = new TextField(10);
62 //입력한 값 대신 '*'이 보이게 한다. 62 //입력한 값 대신 '*'이 보이게 한다.
63 - 63 + tfPwd.setEchoChar('*');
64 64
65 65
66 ok = new Button("OK"); 66 ok = new Button("OK");
...@@ -90,7 +90,9 @@ class EncryptWindow extends Frame { ...@@ -90,7 +90,9 @@ class EncryptWindow extends Frame {
90 90
91 add(ok); 91 add(ok);
92 92
93 - setSize(450,65); 93 + setSize(450,100);
94 +
95 + this.setLocationRelativeTo(null);
94 96
95 //화면이 보이게 한다. 97 //화면이 보이게 한다.
96 98
...@@ -112,6 +114,12 @@ class EncryptWindow extends Frame { ...@@ -112,6 +114,12 @@ class EncryptWindow extends Frame {
112 114
113 dispose(); 115 dispose();
114 116
117 + if(tfPwd.getText().length() < 1 || tfMod.getText().length() < 1)
118 + {
119 + JOptionPane.showMessageDialog(null,"Password and purpose cannot be null.");
120 + return;
121 + }
122 +
115 String passwd = userId + ' ' + tfPwd.getText(); 123 String passwd = userId + ' ' + tfPwd.getText();
116 char[] password = passwd.toCharArray(); 124 char[] password = passwd.toCharArray();
117 String passwd2 = userId + ' ' + userPW; 125 String passwd2 = userId + ' ' + userPW;
...@@ -166,7 +174,7 @@ class EncryptWindow extends Frame { ...@@ -166,7 +174,7 @@ class EncryptWindow extends Frame {
166 Date time = new Date(); 174 Date time = new Date();
167 175
168 String time1 = format1.format(time); 176 String time1 = format1.format(time);
169 - String toWrite = "등록\t" + time1 + '\t' + modeIn + '\n'; 177 + String toWrite = "REG\t" + time1 + '\t' + modeIn + '\n';
170 byte[] b = toWrite.getBytes(); 178 byte[] b = toWrite.getBytes();
171 try { 179 try {
172 fos.write(b); 180 fos.write(b);
......
...@@ -37,6 +37,11 @@ class LogWindow extends Frame { ...@@ -37,6 +37,11 @@ class LogWindow extends Frame {
37 String folderDir = ".\\" + userId + "\\logs"; 37 String folderDir = ".\\" + userId + "\\logs";
38 38
39 final File dirToLock = new File(folderDir); 39 final File dirToLock = new File(folderDir);
40 + if(!dirToLock.exists())
41 + {
42 + JOptionPane.showMessageDialog(null,"No files have been encrypted!");
43 + return;
44 + }
40 JFileChooser jfc = new JFileChooser(dirToLock); 45 JFileChooser jfc = new JFileChooser(dirToLock);
41 jfc.setFileView(new FileView() { 46 jfc.setFileView(new FileView() {
42 @Override 47 @Override
...@@ -83,7 +88,7 @@ class LogWindow extends Frame { ...@@ -83,7 +88,7 @@ class LogWindow extends Frame {
83 } catch (InterruptedException interruptedException) { 88 } catch (InterruptedException interruptedException) {
84 interruptedException.printStackTrace(); 89 interruptedException.printStackTrace();
85 } 90 }
86 - file.deleteOnExit(); 91 + file.delete();
87 } 92 }
88 93
89 public static void main(String args[]){ 94 public static void main(String args[]){
......
...@@ -70,7 +70,7 @@ class MainMenu extends Frame { ...@@ -70,7 +70,7 @@ class MainMenu extends Frame {
70 70
71 //LayoutManager를 FlowLayout으로 71 //LayoutManager를 FlowLayout으로
72 72
73 - setLayout(new FlowLayout()); 73 + setLayout(new GridLayout(4,1));
74 74
75 //생성한 component들을 Frame에 포함시킨다. 75 //생성한 component들을 Frame에 포함시킨다.
76 76
...@@ -82,7 +82,9 @@ class MainMenu extends Frame { ...@@ -82,7 +82,9 @@ class MainMenu extends Frame {
82 82
83 add(bDelete); 83 add(bDelete);
84 84
85 - setSize(450,200); 85 + setSize(450,400);
86 +
87 + this.setLocationRelativeTo(null);
86 88
87 //화면이 보이게 한다. 89 //화면이 보이게 한다.
88 90
...@@ -102,60 +104,6 @@ class MainMenu extends Frame { ...@@ -102,60 +104,6 @@ class MainMenu extends Frame {
102 if (file.isDirectory()) { 104 if (file.isDirectory()) {
103 deleteDirectory(file, userId, userPW); 105 deleteDirectory(file, userId, userPW);
104 } else { 106 } else {
105 - String fileName = file.getName();
106 - String passwd2 = userId + ' ' + userPW;
107 - char[] password2 = passwd2.toCharArray();
108 - String dir = ".\\" + userId + "\\logs\\" + fileName + ".txt";
109 - String dir2 = ".\\" + userId + "\\logs\\" + fileName + ".log";
110 -
111 - try {
112 - Cryptor.decrypt(dir2, dir, password2);
113 - } catch (IOException ioException) {
114 - ioException.printStackTrace();
115 - } catch (GeneralSecurityException generalSecurityException) {
116 - generalSecurityException.printStackTrace();
117 - }
118 -
119 - FileOutputStream fos = null;
120 - try {
121 - fos = new FileOutputStream(dir,true);
122 - } catch (FileNotFoundException fileNotFoundException) {
123 - fileNotFoundException.printStackTrace();
124 - }
125 - SimpleDateFormat format1 = new SimpleDateFormat( "yyyy-MM-dd HH:mm");
126 -
127 - Date time = new Date();
128 -
129 - String time1 = format1.format(time);
130 - String toWrite = "삭제\t" + time1 + '\t' + "사용 완료" + '\n';
131 - byte[] b = toWrite.getBytes();
132 - try {
133 - fos.write(b);
134 - } catch (IOException ioException) {
135 - ioException.printStackTrace();
136 - }
137 - try {
138 - fos.flush();
139 - } catch (IOException ioException) {
140 - ioException.printStackTrace();
141 - }
142 - try {
143 - fos.close();
144 - } catch (IOException ioException) {
145 - ioException.printStackTrace();
146 - }
147 -
148 - try {
149 - Cryptor.encrypt(dir, dir2, password2);
150 - } catch (IOException ioException) {
151 - ioException.printStackTrace();
152 - } catch (GeneralSecurityException generalSecurityException) {
153 - generalSecurityException.printStackTrace();
154 - }
155 -
156 - File temp = new File(dir);
157 - temp.delete();
158 -
159 file.delete(); 107 file.delete();
160 } 108 }
161 } 109 }
......
1 +package cryptor;
2 +
3 +import javax.annotation.processing.Filer;
4 +import javax.swing.*;
5 +import java.awt.*;
6 +import java.awt.event.ActionEvent;
7 +import java.awt.event.ActionListener;
8 +import java.awt.event.WindowAdapter;
9 +import java.awt.event.WindowEvent;
10 +import java.io.*;
11 +import java.security.GeneralSecurityException;
12 +import java.security.MessageDigest;
13 +import java.security.NoSuchAlgorithmException;
14 +
15 +class SignIn extends Frame {
16 +
17 + Label lid;
18 +
19 + Label lpwd;
20 +
21 + TextField tfId;
22 +
23 + TextField tfPwd;
24 +
25 + Button ok;
26 +
27 + Button su;
28 +
29 + SignIn(String title){
30 +
31 + //Frame(String title)을 호출한다.
32 +
33 + super(title);
34 +
35 + addWindowListener(new WindowAdapter() {
36 + @Override
37 + public void windowClosing(WindowEvent e) {
38 + dispose();
39 + System.exit(0);
40 + }
41 + });
42 +
43 + //Label의 text정렬을 오른쪽으로
44 +
45 + lid = new Label("ID : ",Label.RIGHT);
46 +
47 + lpwd = new Label("Password : ",Label.RIGHT);
48 +
49 +
50 + //약 10개의 글자를 입력할 수 있는 TextField 생성.
51 +
52 + tfId = new TextField(10);
53 +
54 + tfPwd = new TextField(10);
55 +
56 + //입력한 값 대신 '*'이 보이게 한다.
57 + tfPwd.setEchoChar('*');
58 +
59 + ok = new Button("OK");
60 +
61 + su = new Button("Sign Up");
62 +
63 + //OK버튼과 TextField에 이벤트처리를 위한 Listener를 추가해준다.
64 +
65 + tfId.addActionListener(new EventHandler());
66 +
67 + tfPwd.addActionListener(new EventHandler());
68 +
69 + ok.addActionListener(new EventHandler());
70 +
71 + su.addActionListener(e -> {
72 + SignUp f = new SignUp("Sign Up");
73 + });
74 +
75 +
76 + //LayoutManager를 FlowLayout으로
77 +
78 + setLayout(new FlowLayout());
79 +
80 + //생성한 component들을 Frame에 포함시킨다.
81 +
82 + add(lid);
83 +
84 + add(tfId);
85 +
86 + add(lpwd);
87 +
88 + add(tfPwd);
89 +
90 +
91 + add(ok);
92 +
93 + add(su);
94 +
95 + setSize(450,80);
96 +
97 + this.setLocationRelativeTo(null);
98 +
99 + //화면이 보이게 한다.
100 +
101 + setVisible(true);
102 +
103 + }
104 +
105 + public static void main(String args[]){
106 +
107 + SignIn f = new SignIn("Sign In");
108 +
109 + }
110 +
111 +
112 +
113 + class EventHandler implements ActionListener{
114 +
115 + public void actionPerformed(ActionEvent e){
116 +
117 + String passwd = tfId.getText() + ' ' + tfPwd.getText();
118 + char[] password = passwd.toCharArray();
119 +
120 + String dir = ".\\Users\\" + tfId.getText() + ".txt";
121 + String dir2 = ".\\Users\\" + tfId.getText() + ".info";
122 + File f = new File(dir2);
123 + if(f.exists())
124 + {
125 + try {
126 + Cryptor.decrypt(dir2,dir,password);
127 + } catch (IOException ioException) {
128 + ioException.printStackTrace();
129 + } catch (GeneralSecurityException generalSecurityException) {
130 + JOptionPane.showMessageDialog(null,"Password is invalid!");
131 + return;
132 + }
133 +
134 + dispose();
135 +
136 + File file = new File(dir);
137 + FileReader fr = null;
138 + try {
139 + fr = new FileReader(file);
140 + } catch (FileNotFoundException fileNotFoundException) {
141 + fileNotFoundException.printStackTrace();
142 + }
143 +
144 + BufferedReader bufReader = new BufferedReader(fr);
145 + String line = "";
146 + try {
147 + line = bufReader.readLine();
148 + } catch (IOException ioException) {
149 + ioException.printStackTrace();
150 + }
151 + String[] strs = line.split(String.valueOf('\t'));
152 +
153 + try {
154 + fr.close();
155 + } catch (IOException ioException) {
156 + ioException.printStackTrace();
157 + }
158 +
159 + file.delete();
160 +
161 + try {
162 + if(strs[1].equals(byteToHexString(sha256(tfPwd.getText()))))
163 + {
164 + MainMenu mm = new MainMenu("Main Menu", strs[0], tfPwd.getText());
165 + }
166 + else
167 + {
168 + JOptionPane.showMessageDialog(null,"Password is invalid!");
169 + }
170 + } catch (NoSuchAlgorithmException noSuchAlgorithmException) {
171 + noSuchAlgorithmException.printStackTrace();
172 + }
173 + }
174 + else
175 + {
176 + JOptionPane.showMessageDialog(null,tfId.getText() + " has never signed Up!");
177 + }
178 + }
179 +
180 + public byte[] sha256(String msg) throws NoSuchAlgorithmException {
181 + MessageDigest md = MessageDigest.getInstance("SHA-256");
182 + md.update(msg.getBytes());
183 +
184 + return md.digest();
185 + }
186 +
187 + public String byteToHexString(byte[] data) {
188 + StringBuilder sb = new StringBuilder();
189 +
190 + for (byte b : data) {
191 + sb.append(String.format("%02x", b));
192 + }
193 +
194 + return sb.toString();
195 + }
196 + }
197 +
198 +}
...\ No newline at end of file ...\ No newline at end of file
1 +package cryptor;
2 +
3 +import javax.swing.*;
4 +import java.awt.*;
5 +import java.awt.event.ActionEvent;
6 +import java.awt.event.ActionListener;
7 +import java.awt.event.WindowAdapter;
8 +import java.awt.event.WindowEvent;
9 +import java.io.File;
10 +import java.io.FileNotFoundException;
11 +import java.io.FileOutputStream;
12 +import java.io.IOException;
13 +import java.security.GeneralSecurityException;
14 +import java.security.MessageDigest;
15 +import java.security.NoSuchAlgorithmException;
16 +
17 +class SignUp extends Frame {
18 +
19 + Label lid;
20 +
21 + Label lpwd;
22 +
23 + TextField tfId;
24 +
25 + TextField tfPwd;
26 +
27 + Button ok;
28 +
29 + SignUp(String title){
30 +
31 + //Frame(String title)을 호출한다.
32 +
33 + super(title);
34 +
35 + addWindowListener(new WindowAdapter() {
36 + @Override
37 + public void windowClosing(WindowEvent e) {
38 + dispose();
39 + }
40 + });
41 +
42 + //Label의 text정렬을 오른쪽으로
43 +
44 + lid = new Label("ID : ",Label.RIGHT);
45 +
46 + lpwd = new Label("Password : ",Label.RIGHT);
47 +
48 +
49 + //약 10개의 글자를 입력할 수 있는 TextField 생성.
50 +
51 + tfId = new TextField(10);
52 +
53 + tfPwd = new TextField(10);
54 +
55 + //입력한 값 대신 '*'이 보이게 한다.
56 + tfPwd.setEchoChar('*');
57 +
58 + ok = new Button("OK");
59 +
60 + //OK버튼과 TextField에 이벤트처리를 위한 Listener를 추가해준다.
61 +
62 + tfId.addActionListener(new EventHandler());
63 +
64 + tfPwd.addActionListener(new EventHandler());
65 +
66 + ok.addActionListener(new EventHandler());
67 +
68 +
69 +
70 + //LayoutManager를 FlowLayout으로
71 +
72 + setLayout(new FlowLayout());
73 +
74 + //생성한 component들을 Frame에 포함시킨다.
75 +
76 + add(lid);
77 +
78 + add(tfId);
79 +
80 + add(lpwd);
81 +
82 + add(tfPwd);
83 +
84 +
85 + add(ok);
86 +
87 + setSize(450,80);
88 +
89 + this.setLocationRelativeTo(null);
90 +
91 + //화면이 보이게 한다.
92 +
93 + setVisible(true);
94 +
95 + }
96 +
97 + public static void main(String args[]){
98 +
99 + SignUp f = new SignUp("Sign Up");
100 +
101 + }
102 +
103 +
104 +
105 + class EventHandler implements ActionListener{
106 +
107 + public void actionPerformed(ActionEvent e){
108 +
109 + if(tfId.getText().length() < 1 || tfPwd.getText().length() < 1)
110 + {
111 + JOptionPane.showMessageDialog(null,"ID and password cannot be null.");
112 + return;
113 + }
114 +
115 + String passwd = tfId.getText() + ' ' + tfPwd.getText();
116 + char[] password = passwd.toCharArray();
117 +
118 + String dir = ".\\Users\\" + tfId.getText() + ".txt";
119 + String dir2 = ".\\Users\\" + tfId.getText() + ".info";
120 + File f = new File(dir2);
121 + if(!f.exists())
122 + {
123 + dispose();
124 +
125 + File file = new File(dir);
126 + file.getParentFile().mkdir();
127 + try {
128 + file.createNewFile();
129 + } catch (IOException ioException) {
130 + ioException.printStackTrace();
131 + }
132 +
133 + FileOutputStream fos = null;
134 + try {
135 + fos = new FileOutputStream(file);
136 + } catch (FileNotFoundException fileNotFoundException) {
137 + fileNotFoundException.printStackTrace();
138 + }
139 +
140 + String toWrite = null;
141 + try {
142 + toWrite = tfId.getText() + '\t' + byteToHexString(sha256(tfPwd.getText()));
143 + } catch (NoSuchAlgorithmException noSuchAlgorithmException) {
144 + noSuchAlgorithmException.printStackTrace();
145 + }
146 +
147 + byte[] b = toWrite.getBytes();
148 + try {
149 + fos.write(b);
150 + } catch (IOException ioException) {
151 + ioException.printStackTrace();
152 + }
153 + try {
154 + fos.flush();
155 + } catch (IOException ioException) {
156 + ioException.printStackTrace();
157 + }
158 + try {
159 + fos.close();
160 + } catch (IOException ioException) {
161 + ioException.printStackTrace();
162 + }
163 +
164 + try {
165 + Cryptor.encrypt(dir, dir2, password);
166 + } catch (IOException ioException) {
167 + ioException.printStackTrace();
168 + } catch (GeneralSecurityException generalSecurityException) {
169 + generalSecurityException.printStackTrace();
170 + }
171 +
172 + file.delete();
173 + }
174 + else
175 + {
176 + JOptionPane.showMessageDialog(null,tfId.getText() + " already exists!");
177 + }
178 + }
179 +
180 + public byte[] sha256(String msg) throws NoSuchAlgorithmException {
181 + MessageDigest md = MessageDigest.getInstance("SHA-256");
182 + md.update(msg.getBytes());
183 +
184 + return md.digest();
185 + }
186 +
187 + public String byteToHexString(byte[] data) {
188 + StringBuilder sb = new StringBuilder();
189 +
190 + for (byte b : data) {
191 + sb.append(String.format("%02x", b));
192 + }
193 +
194 + return sb.toString();
195 + }
196 + }
197 +
198 +}
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