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1
19 package com.softabar.sha4j;
20
21 import java.io.ByteArrayInputStream  ;
22 import java.io.File ;
23 import java.io.FileInputStream ;
24 import java.io.IOException ;
25 import java.io.InputStream ;
26
27
50 public class ShaUtil
51 {
52 private static Sha4J sha4j=new Sha4J();
53
55 public static byte[] sha1(String input) throws IOException
56 {
57 sha4j.reset();
58 return sha4j.sha1Digest(new ByteArrayInputStream (input.getBytes()));
59
60 }
61
62 public static byte[] sha1(InputStream input) throws IOException
63 {
64 sha4j.reset();
65 return sha4j.sha1Digest(input);
66 }
67
68 public static byte[] sha1(File input) throws IOException
69 {
70 sha4j.reset();
71 FileInputStream fis=new FileInputStream (input);
72 return sha4j.sha1Digest(fis);
73 }
74
75 public static String toSha1String(String input) throws IOException
76 {
77 return toHexString(sha1(input));
78 }
79
80 public static String toSha1String(InputStream input) throws IOException
81 {
82 return toHexString(sha1(input));
83 }
84
85 public static String toSha1String(File input) throws IOException
86 {
87 return toHexString(sha1(input));
88 }
89
90
92 public static byte[] sha224(String input) throws IOException
93 {
94 sha4j.reset();
95 return sha4j.sha224Digest(new ByteArrayInputStream (input.getBytes()));
96
97 }
98
99 public static byte[] sha224(InputStream input) throws IOException
100 {
101 sha4j.reset();
102 return sha4j.sha224Digest(input);
103 }
104
105 public static byte[] sha224(File input) throws IOException
106 {
107 sha4j.reset();
108 FileInputStream fis=new FileInputStream (input);
109 return sha4j.sha224Digest(fis);
110 }
111
112 public static String toSha224String(String input) throws IOException
113 {
114 return toHexString(sha224(input));
115 }
116
117 public static String toSha224String(InputStream input) throws IOException
118 {
119 return toHexString(sha224(input));
120 }
121
122 public static String toSha224String(File input) throws IOException
123 {
124 return toHexString(sha224(input));
125 }
126
127
128
130 public static byte[] sha256(String input) throws IOException
131 {
132 sha4j.reset();
133 return sha4j.sha256Digest(new ByteArrayInputStream (input.getBytes()));
134
135 }
136
137 public static byte[] sha256(InputStream input) throws IOException
138 {
139 sha4j.reset();
140 return sha4j.sha256Digest(input);
141 }
142
143 public static byte[] sha256(File input) throws IOException
144 {
145 sha4j.reset();
146 FileInputStream fis=new FileInputStream (input);
147 return sha4j.sha256Digest(fis);
148 }
149
150 public static String toSha256String(String input) throws IOException
151 {
152 return toHexString(sha256(input));
153 }
154
155 public static String toSha256String(InputStream input) throws IOException
156 {
157 return toHexString(sha256(input));
158 }
159
160 public static String toSha256String(File input) throws IOException
161 {
162 return toHexString(sha256(input));
163 }
164
165
167 public static byte[] sha384(String input) throws IOException
168 {
169 sha4j.reset();
170 return sha4j.sha384Digest(new ByteArrayInputStream (input.getBytes()));
171
172 }
173
174 public static byte[] sha384(InputStream input) throws IOException
175 {
176 sha4j.reset();
177 return sha4j.sha384Digest(input);
178 }
179
180 public static byte[] sha384(File input) throws IOException
181 {
182 sha4j.reset();
183 FileInputStream fis=new FileInputStream (input);
184 return sha4j.sha384Digest(fis);
185 }
186
187 public static String toSha384String(String input) throws IOException
188 {
189 return toHexString(sha384(input));
190 }
191
192 public static String toSha384String(InputStream input) throws IOException
193 {
194 return toHexString(sha384(input));
195 }
196
197 public static String toSha384String(File input) throws IOException
198 {
199 return toHexString(sha384(input));
200 }
201
202 public static byte[] sha512(String input) throws IOException
204 {
205 sha4j.reset();
206 return sha4j.sha512Digest(new ByteArrayInputStream (input.getBytes()));
207
208 }
209
210 public static byte[] sha512(InputStream input) throws IOException
211 {
212 sha4j.reset();
213 return sha4j.sha512Digest(input);
214 }
215
216 public static byte[] sha512(File input) throws IOException
217 {
218 sha4j.reset();
219 FileInputStream fis=new FileInputStream (input);
220 return sha4j.sha512Digest(fis);
221 }
222
223 public static String toSha512String(String input) throws IOException
224 {
225 return toHexString(sha512(input));
226 }
227
228 public static String toSha512String(InputStream input) throws IOException
229 {
230 return toHexString(sha512(input));
231 }
232
233 public static String toSha512String(File input) throws IOException
234 {
235 return toHexString(sha512(input));
236 }
237
238
239
240
241
243 private static final char[] hex = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
244
245
250 public static String toHexString(byte[] b)
251 {
252 StringBuffer sb = new StringBuffer ();
253
254 for (int i = 0; i < b.length; i++)
255 {
256 int c = ((b[i]) >>> 4) & 0xf;
257 sb.append(hex[c]);
258 c = ((int) b[i] & 0xf);
259 sb.append(hex[c]);
260 }
261
262 return sb.toString();
263 }
264 }
265 |
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