com.github.theresasogunle.Encryption.toHexStr(byte[]) - Code Metrics - theresasogunle/Rave-Java-Library - Measure and Improve Code Quality continuously with Scrutinizer

toHexStr(byte[]) A
last analyzed 2018-04-30 08:31 UTC

↳ Parent: com.github.theresasogunle.Encryption

Complexity

Conditions

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	2
c	1
b	0
f	0
dl	0
loc	9
rs	9.95

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package com.github.theresasogunle;

import java.io.UnsupportedEncodingException;
import java.security.InvalidKeyException;
import java.security.MessageDigest;
import java.util.Arrays;
import java.security.NoSuchAlgorithmException;
import java.util.Base64;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;
import org.json.JSONObject;
/**
 *
 * @author Theresa
 */


public class Encryption {
   
   
    RaveConstant keys= new RaveConstant();
   
        
    // Method to turn bytes in hex
    public static String toHexStr(byte[] bytes){

        StringBuilder builder = new StringBuilder();

        for(int i = 0; i < bytes.length; i++ ){
            builder.append(String.format("%02x", bytes[i]));
        }

        return builder.toString();
    }

    // this is the getKey function that generates an encryption Key for you by passing your Secret Key as a parameter.
    public static String getKey(String seedKey) {
        try {
            MessageDigest md = MessageDigest.getInstance("md5");
            byte[] hashedString = md.digest(seedKey.getBytes("utf-8"));
            byte[] subHashString = toHexStr(Arrays.copyOfRange(hashedString, hashedString.length - 12, hashedString.length)).getBytes("utf-8");

            String subSeedKey = seedKey.replace("FLWSECK-", "");
            subSeedKey = subSeedKey.substring(0, 12);

            byte[] combineArray = new byte[24];

            System.arraycopy(subSeedKey.getBytes(), 0, combineArray, 0, 12);

            System.arraycopy(subHashString, subHashString.length - 12, combineArray, 12, 12);

            return new String(combineArray);

        } catch (NoSuchAlgorithmException | UnsupportedEncodingException ex) {
            Logger.getGlobal().log(Level.SEVERE, null, ex);
        }
        return null;
    }

    // This is the encryption function that encrypts your payload by passing the stringified format and your encryption Key.
    public static String encryptData(String message, String _encryptionKey)  {
        try {
            final byte[] digestOfPassword = _encryptionKey.getBytes("utf-8");
            final byte[] keyBytes = Arrays.copyOf(digestOfPassword, 24);


            final SecretKey key = new SecretKeySpec( keyBytes , "DESede");
            final Cipher cipher = Cipher.getInstance("DESede/ECB/PKCS5Padding");

            cipher.init(Cipher.ENCRYPT_MODE, key);
            final byte[] plainTextBytes = message.getBytes("utf-8");
            final byte[] cipherText = cipher.doFinal(plainTextBytes);
            return Base64.getEncoder().encodeToString(cipherText);

        } catch (UnsupportedEncodingException | NoSuchAlgorithmException | NoSuchPaddingException | InvalidKeyException | IllegalBlockSizeException | BadPaddingException e) {
throw new Exception("Exception Message", originalException);

          
            return "";
        }
        
    }

    /**
    *
    * @param api(JSON object)
    * @return String
    */
    
    public String encryptParameters(JSONObject api) {
           
        try{
            api.put("PBFPubKey",RaveConstant.PUBLIC_KEY);
        }catch(Exception ex){}
throw new Exception("Exception Message", originalException);
        
      
        
        String message= api.toString();
        
        String encrypt_secret_key=getKey(RaveConstant.SECRET_KEY);
        String encrypted_message= encryptData(message,encrypt_secret_key);


        return encrypted_message;

    }
 /**
    *
    * 
    * @return String
    * @param api 
    * 
    */
    

    public String encryptParametersPreAuth(JSONObject api){
           
        try{
            api.put("PBFPubKey","FLWPUBK-8cd258c49f38e05292e5472b2b15906e-X");
        }catch(Exception ex){}
throw new Exception("Exception Message", originalException);
        
        String message= api.toString();
        
        
        
        String encrypt_secret_key=getKey("FLWSECK-c51891678d48c39eff3701ff686bdb69-X");
        String encrypted_message= encryptData(message,encrypt_secret_key);

      
        return encrypted_message;

    }
        
       
    
}


1			/*
2			* To change this license header, choose License Headers in Project Properties.
3			* To change this template file, choose Tools \| Templates
4			* and open the template in the editor.
5			*/
6			package com.github.theresasogunle;
7
8			import java.io.UnsupportedEncodingException;
9			import java.security.InvalidKeyException;
10			import java.security.MessageDigest;
11			import java.util.Arrays;
12			import java.security.NoSuchAlgorithmException;
13			import java.util.Base64;
14			import java.util.logging.Level;
15			import java.util.logging.Logger;
16			import javax.crypto.BadPaddingException;
17			import javax.crypto.Cipher;
18			import javax.crypto.IllegalBlockSizeException;
19			import javax.crypto.NoSuchPaddingException;
20			import javax.crypto.SecretKey;
21			import javax.crypto.spec.SecretKeySpec;
22			import org.json.JSONObject;
23			/**
24			*
25			* @author Theresa
26			*/
27
28
29			public class Encryption {
30
31
32			RaveConstant keys= new RaveConstant();
33
34
35			// Method to turn bytes in hex
36			public static String toHexStr(byte[] bytes){
37
38			StringBuilder builder = new StringBuilder();
39
40			for(int i = 0; i < bytes.length; i++ ){
41			builder.append(String.format("%02x", bytes[i]));
42			}
43
44			return builder.toString();
45			}
46
47			// this is the getKey function that generates an encryption Key for you by passing your Secret Key as a parameter.
48			public static String getKey(String seedKey) {
49			try {
50			MessageDigest md = MessageDigest.getInstance("md5");
51			byte[] hashedString = md.digest(seedKey.getBytes("utf-8"));
52			byte[] subHashString = toHexStr(Arrays.copyOfRange(hashedString, hashedString.length - 12, hashedString.length)).getBytes("utf-8");
			0 ignored issues – show Comprehensibility introduced 2018-03-14 15:52 UTC by Report Bug Copy Issue Report Consider assigning this magic number 12 to a constant. Using constants for hard-coded numbers is a best practice. A constant’s name can explain the rationale behind this magic number. It is also easier to find if you ever need to change it. Loading history...
53			String subSeedKey = seedKey.replace("FLWSECK-", "");
54			subSeedKey = subSeedKey.substring(0, 12);
			0 ignored issues – show Comprehensibility introduced 2018-03-14 15:52 UTC by Report Bug Copy Issue Report Consider assigning this magic number 12 to a constant. Using constants for hard-coded numbers is a best practice. A constant’s name can explain the rationale behind this magic number. It is also easier to find if you ever need to change it. Loading history...
55			byte[] combineArray = new byte[24];
			0 ignored issues – show Comprehensibility introduced 2018-03-14 15:52 UTC by Report Bug Copy Issue Report Consider assigning this magic number 24 to a constant. Using constants for hard-coded numbers is a best practice. A constant’s name can explain the rationale behind this magic number. It is also easier to find if you ever need to change it. Loading history...
56			System.arraycopy(subSeedKey.getBytes(), 0, combineArray, 0, 12);
			0 ignored issues – show Comprehensibility introduced 2018-03-14 15:52 UTC by Report Bug Copy Issue Report Consider assigning this magic number 12 to a constant. Using constants for hard-coded numbers is a best practice. A constant’s name can explain the rationale behind this magic number. It is also easier to find if you ever need to change it. Loading history... Bug introduced 2018-03-14 15:52 UTC by Report Bug Copy Issue Report Remove this use of "getBytes" Loading history...
57			System.arraycopy(subHashString, subHashString.length - 12, combineArray, 12, 12);
			0 ignored issues – show Comprehensibility introduced 2018-03-14 15:52 UTC by Report Bug Copy Issue Report Consider assigning this magic number 12 to a constant. Using constants for hard-coded numbers is a best practice. A constant’s name can explain the rationale behind this magic number. It is also easier to find if you ever need to change it. Loading history...
58			return new String(combineArray);
			0 ignored issues – show Bug introduced 2018-03-14 15:52 UTC by Report Bug Copy Issue Report Classes and methods like String(byte[]) that rely on the default system encoding should not be used. Loading history...
59			} catch (NoSuchAlgorithmException \| UnsupportedEncodingException ex) {
60			Logger.getGlobal().log(Level.SEVERE, null, ex);
61			}
62			return null;
63			}
64
65			// This is the encryption function that encrypts your payload by passing the stringified format and your encryption Key.
66			public static String encryptData(String message, String _encryptionKey) {
67			try {
68			final byte[] digestOfPassword = _encryptionKey.getBytes("utf-8");
69			final byte[] keyBytes = Arrays.copyOf(digestOfPassword, 24);
			0 ignored issues – show Comprehensibility introduced 2018-03-14 15:52 UTC by Report Bug Copy Issue Report Consider assigning this magic number 24 to a constant. Using constants for hard-coded numbers is a best practice. A constant’s name can explain the rationale behind this magic number. It is also easier to find if you ever need to change it. Loading history...
70
71			final SecretKey key = new SecretKeySpec( keyBytes , "DESede");
72			final Cipher cipher = Cipher.getInstance("DESede/ECB/PKCS5Padding");
			0 ignored issues – show Security introduced 2018-03-14 15:52 UTC by Report Bug Copy Issue Report The DES and DESede (3DES) are no longer considered secure, because they can be brute-forced with modern computers. Consider using a more secure method like AES. Loading history...
73			cipher.init(Cipher.ENCRYPT_MODE, key);
74			final byte[] plainTextBytes = message.getBytes("utf-8");
75			final byte[] cipherText = cipher.doFinal(plainTextBytes);
76			return Base64.getEncoder().encodeToString(cipherText);
77
78			} catch (UnsupportedEncodingException \| NoSuchAlgorithmException \| NoSuchPaddingException \| InvalidKeyException \| IllegalBlockSizeException \| BadPaddingException e) {
			0 ignored issues – show Best Practice introduced 2018-03-14 16:49 UTC by Report Bug Copy Issue Report Ignoring an Exception may lead to hard to find bugs. Consider logging or rethrowing the original exception. If you want to throw a different exception, you can set the original exception as its cause to preserve the stacktrace. When instantiating a new Exception, you can set another Exception as its cause. See the Oracle documentation on Throwables. Usage example throw new Exception("Exception Message", originalException); Complete Example: class ReThrowException { public static void throwsException() { try { throw new Exception("I am the original exception"); } catch (final Exception e) { throw new RuntimeException("I am the new exception", e); } } public static void main(String[] args) { try { throwsException(); } catch (final RuntimeException e) { System.out.println(e.getMessage()); System.out.println("and my cause is: " + e.getCause().getMessage()); e.printStackTrace(); } } } Loading history...
79
80
81			return "";
82			}
83
84			}
85
86			/**
87			*
88			* @param api(JSON object)
89			* @return String
90			*/
91
92			public String encryptParameters(JSONObject api) {
93
94			try{
95			api.put("PBFPubKey",RaveConstant.PUBLIC_KEY);
96			}catch(Exception ex){}
			0 ignored issues – show Bug introduced 2018-03-14 15:52 UTC by Report Bug Copy Issue Report Consider removing the empty block or filling it with code. You can also add a comment to explain the empty block. Loading history... Best Practice introduced 2018-03-14 15:52 UTC by Report Bug Copy Issue Report Ignoring an Exception may lead to hard to find bugs. Consider logging or rethrowing the original exception. If you want to throw a different exception, you can set the original exception as its cause to preserve the stacktrace. When instantiating a new Exception, you can set another Exception as its cause. See the Oracle documentation on Throwables. Usage example throw new Exception("Exception Message", originalException); Complete Example: class ReThrowException { public static void throwsException() { try { throw new Exception("I am the original exception"); } catch (final Exception e) { throw new RuntimeException("I am the new exception", e); } } public static void main(String[] args) { try { throwsException(); } catch (final RuntimeException e) { System.out.println(e.getMessage()); System.out.println("and my cause is: " + e.getCause().getMessage()); e.printStackTrace(); } } } Loading history...
97
98
99
100			String message= api.toString();
101
102			String encrypt_secret_key=getKey(RaveConstant.SECRET_KEY);
103			String encrypted_message= encryptData(message,encrypt_secret_key);
104
105
106			return encrypted_message;
107
108			}
109			/**
110			*
111			*
112			* @return String
113			* @param api
114			*
115			*/
116
117
118			public String encryptParametersPreAuth(JSONObject api){
119
120			try{
121			api.put("PBFPubKey","FLWPUBK-8cd258c49f38e05292e5472b2b15906e-X");
122			}catch(Exception ex){}
			0 ignored issues – show Best Practice introduced 2018-03-14 15:52 UTC by Report Bug Copy Issue Report Ignoring an Exception may lead to hard to find bugs. Consider logging or rethrowing the original exception. If you want to throw a different exception, you can set the original exception as its cause to preserve the stacktrace. When instantiating a new Exception, you can set another Exception as its cause. See the Oracle documentation on Throwables. Usage example throw new Exception("Exception Message", originalException); Complete Example: class ReThrowException { public static void throwsException() { try { throw new Exception("I am the original exception"); } catch (final Exception e) { throw new RuntimeException("I am the new exception", e); } } public static void main(String[] args) { try { throwsException(); } catch (final RuntimeException e) { System.out.println(e.getMessage()); System.out.println("and my cause is: " + e.getCause().getMessage()); e.printStackTrace(); } } } Loading history... Bug introduced 2018-03-14 15:52 UTC by Report Bug Copy Issue Report Consider removing the empty block or filling it with code. You can also add a comment to explain the empty block. Loading history...
123
124			String message= api.toString();
125
126
127
128			String encrypt_secret_key=getKey("FLWSECK-c51891678d48c39eff3701ff686bdb69-X");
129			String encrypted_message= encryptData(message,encrypt_secret_key);
130
131
132			return encrypted_message;
133
134			}
135
136
137
138			}
139

theresasogunle / Rave-Java-Library

toHexStr(byte[]) A last analyzed 2018-04-30 08:31 UTC

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toHexStr(byte[]) A
last analyzed 2018-04-30 08:31 UTC