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1 package com.openedit.users.filesystem;
2
3 import junit.framework.TestCase;
4
5 import com.openedit.users.StringEncrypter;
6
7 public class StringEncrypterTest extends TestCase
8 {
9
10 public void testEncryptionKeyIsDefined()
11 {
12 assertEquals( StringEncrypter.DEFAULT_ENCRYPTION_KEY,
13 "This is a fairly long phrase used to encrypt" );
14 }
15
16 public void testThrowsErrorOnInvalidKeySpec() throws Exception 
17 {
18 String encryptionScheme = "asdf";
19 String encryptionKey = "123456789012345678901234567890";
20
21 try
22 {
23 StringEncrypter encrypter = new StringEncrypter( encryptionScheme,
24 encryptionKey );
25 }
26 catch (IllegalArgumentException e)
27 {
28 assertEquals( "Encryption scheme not supported: asdf", e.getMessage() );
29 }
30 }
31
32 public void testEncryptsUsingDesEde() throws Exception
33 {
34 String stringToEncrypt = "test";
35 String encryptionKey = "123456789012345678901234567890";
36 String encryptionScheme = StringEncrypter.DESEDE_ENCRYPTION_SCHEME;
37
38 StringEncrypter encrypter = new StringEncrypter( encryptionScheme, encryptionKey );
39 String encryptedString = encrypter.encrypt( stringToEncrypt );
40
41 assertEquals( "Ni2Bih3nCUU=", encryptedString );
42 }
43
44 public void testEncryptsUsingDes() throws Exception
45 {
46 String stringToEncrypt = "test";
47 String encryptionKey = "123456789012345678901234567890";
48 String encryptionScheme = StringEncrypter.DES_ENCRYPTION_SCHEME;
49
50 StringEncrypter encrypter = new StringEncrypter( encryptionScheme, encryptionKey );
51 String encryptedString = encrypter.encrypt( stringToEncrypt );
52
53 assertEquals( "oEtoaxGK9ns=", encryptedString );
54 }
55
56 public void testEncryptionKeyCanContainLetters() throws Exception
57 {
58 String string = "test";
59 String encryptionKey = "ASDF asdf 1234 8983 jklasdf J2Jaf8";
60 String encryptionScheme = StringEncrypter.DESEDE_ENCRYPTION_SCHEME;
61
62 StringEncrypter encrypter = new StringEncrypter( encryptionScheme, encryptionKey );
63 String encryptedString = encrypter.encrypt( string );
64
65 assertEquals( "Q+UyPrxdge0=", encryptedString );
66 }
67
68 public void testDecryptsUsingDesEde() throws Exception
69 {
70 String string = "Ni2Bih3nCUU=";
71 String encryptionKey = "123456789012345678901234567890";
72 String encryptionScheme = StringEncrypter.DESEDE_ENCRYPTION_SCHEME;
73
74 StringEncrypter encrypter = new StringEncrypter( encryptionScheme, encryptionKey );
75 String decryptedString = encrypter.decrypt( string );
76
77 assertEquals( "test", decryptedString );
78 }
79
80 public void testDecryptsUsingDes() throws Exception
81 {
82 String string = "oEtoaxGK9ns=";
83 String encryptionKey = "123456789012345678901234567890";
84 String encryptionScheme = StringEncrypter.DES_ENCRYPTION_SCHEME;
85
86 StringEncrypter encrypter = new StringEncrypter( encryptionScheme, encryptionKey );
87 String decryptedString = encrypter.decrypt( string );
88
89 assertEquals( "test", decryptedString );
90 }
91
92 public void testCantInstantiateWithNullEncryptionKey() throws Exception
93 {
94 try
95 {
96 String encryptionScheme = StringEncrypter.DESEDE_ENCRYPTION_SCHEME;
97 String encryptionKey = null;
98
99 StringEncrypter encrypter = new StringEncrypter( encryptionScheme,
100 encryptionKey );
101 }
102 catch (IllegalArgumentException e)
103 {
104 assertEquals( "encryption key was null", e.getMessage() );
105 }
106
107 }
108
109 public void testCantInstantiateWithEmptyEncryptionKey() throws Exception
110 {
111 try
112 {
113 String encryptionScheme = StringEncrypter.DESEDE_ENCRYPTION_SCHEME;
114 String encryptionKey = "";
115
116 StringEncrypter encrypter = new StringEncrypter( encryptionScheme,
117 encryptionKey );
118 }
119 catch (IllegalArgumentException e)
120 {
121 assertEquals( "encryption key was less than 24 characters", e.getMessage() );
122 }
123
124 }
125
126 public void testCantDecryptWithNullString() throws Exception
127 {
128 try
129 {
130 String encryptionScheme = StringEncrypter.DESEDE_ENCRYPTION_SCHEME;
131 String encryptionKey = "123456789012345678901234";
132
133 StringEncrypter encrypter = new StringEncrypter( encryptionScheme,
134 encryptionKey );
135 encrypter.decrypt( null );
136 }
137 catch (IllegalArgumentException e)
138 {
139 assertEquals( "encrypted string was null or empty", e.getMessage() );
140 }
141
142 }
143
144 public void testCantDecryptWithEmptyString() throws Exception
145 {
146 try
147 {
148 String encryptionScheme = StringEncrypter.DESEDE_ENCRYPTION_SCHEME;
149 String encryptionKey = "123456789012345678901234";
150
151 StringEncrypter encrypter = new StringEncrypter( encryptionScheme,
152 encryptionKey );
153 encrypter.decrypt( "" );
154 }
155 catch (IllegalArgumentException e)
156 {
157 assertEquals( "encrypted string was null or empty", e.getMessage() );
158 }
159
160 }
161
162 public void testCantEncryptWithNullString() throws Exception
163 {
164 try
165 {
166 String encryptionScheme = StringEncrypter.DESEDE_ENCRYPTION_SCHEME;
167 String encryptionKey = "123456789012345678901234";
168
169 StringEncrypter encrypter = new StringEncrypter( encryptionScheme,
170 encryptionKey );
171 encrypter.encrypt( null );
172 }
173 catch (IllegalArgumentException e)
174 {
175 assertEquals( "unencrypted string was null or empty", e.getMessage() );
176 }
177
178 }
179
180 public void testCantEncryptWithEmptyString() throws Exception
181 {
182 try
183 {
184 String encryptionScheme = StringEncrypter.DESEDE_ENCRYPTION_SCHEME;
185 String encryptionKey = "123456789012345678901234";
186
187 StringEncrypter encrypter = new StringEncrypter( encryptionScheme,
188 encryptionKey );
189 encrypter.encrypt( "" );
190 }
191 catch (IllegalArgumentException e)
192 {
193 assertEquals( "unencrypted string was null or empty", e.getMessage() );
194 }
195
196 }
197 } |
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