Source Code Cross Referenced for CMacTest.java in  » Security » Bouncy-Castle » org » bouncycastle » crypto » test » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Security » Bouncy Castle » org.bouncycastle.crypto.test 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        package org.bouncycastle.crypto.test;
002:
003:        import org.bouncycastle.crypto.BlockCipher;
004:        import org.bouncycastle.crypto.Mac;
005:        import org.bouncycastle.crypto.engines.AESFastEngine;
006:        import org.bouncycastle.crypto.macs.CMac;
007:        import org.bouncycastle.crypto.params.KeyParameter;
008:        import org.bouncycastle.util.encoders.Hex;
009:        import org.bouncycastle.util.test.SimpleTest;
010:
011:        /**
012:         * CMAC tester - <a href="http://www.nuee.nagoya-u.ac.jp/labs/tiwata/omac/tv/omac1-tv.txt">Official Test Vectors</a>.
013:         */
014:        public class CMacTest extends SimpleTest {
015:            private static final byte[] keyBytes128 = Hex
016:                    .decode("2b7e151628aed2a6abf7158809cf4f3c");
017:            private static final byte[] keyBytes192 = Hex
018:                    .decode("8e73b0f7da0e6452c810f32b809079e5"
019:                            + "62f8ead2522c6b7b");
020:            private static final byte[] keyBytes256 = Hex
021:                    .decode("603deb1015ca71be2b73aef0857d7781"
022:                            + "1f352c073b6108d72d9810a30914dff4");
023:
024:            private static final byte[] input0 = Hex.decode("");
025:            private static final byte[] input16 = Hex
026:                    .decode("6bc1bee22e409f96e93d7e117393172a");
027:            private static final byte[] input40 = Hex
028:                    .decode("6bc1bee22e409f96e93d7e117393172a"
029:                            + "ae2d8a571e03ac9c9eb76fac45af8e5130c81c46a35ce411");
030:            private static final byte[] input64 = Hex
031:                    .decode("6bc1bee22e409f96e93d7e117393172a"
032:                            + "ae2d8a571e03ac9c9eb76fac45af8e51"
033:                            + "30c81c46a35ce411e5fbc1191a0a52ef"
034:                            + "f69f2445df4f9b17ad2b417be66c3710");
035:
036:            private static final byte[] output_k128_m0 = Hex
037:                    .decode("bb1d6929e95937287fa37d129b756746");
038:            private static final byte[] output_k128_m16 = Hex
039:                    .decode("070a16b46b4d4144f79bdd9dd04a287c");
040:            private static final byte[] output_k128_m40 = Hex
041:                    .decode("dfa66747de9ae63030ca32611497c827");
042:            private static final byte[] output_k128_m64 = Hex
043:                    .decode("51f0bebf7e3b9d92fc49741779363cfe");
044:
045:            private static final byte[] output_k192_m0 = Hex
046:                    .decode("d17ddf46adaacde531cac483de7a9367");
047:            private static final byte[] output_k192_m16 = Hex
048:                    .decode("9e99a7bf31e710900662f65e617c5184");
049:            private static final byte[] output_k192_m40 = Hex
050:                    .decode("8a1de5be2eb31aad089a82e6ee908b0e");
051:            private static final byte[] output_k192_m64 = Hex
052:                    .decode("a1d5df0eed790f794d77589659f39a11");
053:
054:            private static final byte[] output_k256_m0 = Hex
055:                    .decode("028962f61b7bf89efc6b551f4667d983");
056:            private static final byte[] output_k256_m16 = Hex
057:                    .decode("28a7023f452e8f82bd4bf28d8c37c35c");
058:            private static final byte[] output_k256_m40 = Hex
059:                    .decode("aaf3d8f1de5640c232f5b169b9c911e6");
060:            private static final byte[] output_k256_m64 = Hex
061:                    .decode("e1992190549f6ed5696a2c056c315410");
062:
063:            public CMacTest() {
064:            }
065:
066:            public void performTest() {
067:                BlockCipher cipher = new AESFastEngine();
068:                Mac mac = new CMac(cipher, 128);
069:
070:                //128 bytes key
071:
072:                KeyParameter key = new KeyParameter(keyBytes128);
073:
074:                // 0 bytes message - 128 bytes key
075:                mac.init(key);
076:
077:                mac.update(input0, 0, input0.length);
078:
079:                byte[] out = new byte[16];
080:
081:                mac.doFinal(out, 0);
082:
083:                if (!areEqual(out, output_k128_m0)) {
084:                    fail("Failed - expected "
085:                            + new String(Hex.encode(output_k128_m0)) + " got "
086:                            + new String(Hex.encode(out)));
087:                }
088:
089:                // 16 bytes message - 128 bytes key
090:                mac.init(key);
091:
092:                mac.update(input16, 0, input16.length);
093:
094:                out = new byte[16];
095:
096:                mac.doFinal(out, 0);
097:
098:                if (!areEqual(out, output_k128_m16)) {
099:                    fail("Failed - expected "
100:                            + new String(Hex.encode(output_k128_m16)) + " got "
101:                            + new String(Hex.encode(out)));
102:                }
103:
104:                // 40 bytes message - 128 bytes key
105:                mac.init(key);
106:
107:                mac.update(input40, 0, input40.length);
108:
109:                out = new byte[16];
110:
111:                mac.doFinal(out, 0);
112:
113:                if (!areEqual(out, output_k128_m40)) {
114:                    fail("Failed - expected "
115:                            + new String(Hex.encode(output_k128_m40)) + " got "
116:                            + new String(Hex.encode(out)));
117:                }
118:
119:                // 64 bytes message - 128 bytes key
120:                mac.init(key);
121:
122:                mac.update(input64, 0, input64.length);
123:
124:                out = new byte[16];
125:
126:                mac.doFinal(out, 0);
127:
128:                if (!areEqual(out, output_k128_m64)) {
129:                    fail("Failed - expected "
130:                            + new String(Hex.encode(output_k128_m64)) + " got "
131:                            + new String(Hex.encode(out)));
132:                }
133:
134:                //192 bytes key
135:
136:                key = new KeyParameter(keyBytes192);
137:
138:                // 0 bytes message - 192 bytes key
139:                mac.init(key);
140:
141:                mac.update(input0, 0, input0.length);
142:
143:                out = new byte[16];
144:
145:                mac.doFinal(out, 0);
146:
147:                if (!areEqual(out, output_k192_m0)) {
148:                    fail("Failed - expected "
149:                            + new String(Hex.encode(output_k192_m0)) + " got "
150:                            + new String(Hex.encode(out)));
151:                }
152:
153:                // 16 bytes message - 192 bytes key
154:                mac.init(key);
155:
156:                mac.update(input16, 0, input16.length);
157:
158:                out = new byte[16];
159:
160:                mac.doFinal(out, 0);
161:
162:                if (!areEqual(out, output_k192_m16)) {
163:                    fail("Failed - expected "
164:                            + new String(Hex.encode(output_k192_m16)) + " got "
165:                            + new String(Hex.encode(out)));
166:                }
167:
168:                // 40 bytes message - 192 bytes key
169:                mac.init(key);
170:
171:                mac.update(input40, 0, input40.length);
172:
173:                out = new byte[16];
174:
175:                mac.doFinal(out, 0);
176:
177:                if (!areEqual(out, output_k192_m40)) {
178:                    fail("Failed - expected "
179:                            + new String(Hex.encode(output_k192_m40)) + " got "
180:                            + new String(Hex.encode(out)));
181:                }
182:
183:                // 64 bytes message - 192 bytes key
184:                mac.init(key);
185:
186:                mac.update(input64, 0, input64.length);
187:
188:                out = new byte[16];
189:
190:                mac.doFinal(out, 0);
191:
192:                if (!areEqual(out, output_k192_m64)) {
193:                    fail("Failed - expected "
194:                            + new String(Hex.encode(output_k192_m64)) + " got "
195:                            + new String(Hex.encode(out)));
196:                }
197:
198:                //256 bytes key
199:
200:                key = new KeyParameter(keyBytes256);
201:
202:                // 0 bytes message - 256 bytes key
203:                mac.init(key);
204:
205:                mac.update(input0, 0, input0.length);
206:
207:                out = new byte[16];
208:
209:                mac.doFinal(out, 0);
210:
211:                if (!areEqual(out, output_k256_m0)) {
212:                    fail("Failed - expected "
213:                            + new String(Hex.encode(output_k256_m0)) + " got "
214:                            + new String(Hex.encode(out)));
215:                }
216:
217:                // 16 bytes message - 256 bytes key
218:                mac.init(key);
219:
220:                mac.update(input16, 0, input16.length);
221:
222:                out = new byte[16];
223:
224:                mac.doFinal(out, 0);
225:
226:                if (!areEqual(out, output_k256_m16)) {
227:                    fail("Failed - expected "
228:                            + new String(Hex.encode(output_k256_m16)) + " got "
229:                            + new String(Hex.encode(out)));
230:                }
231:
232:                // 40 bytes message - 256 bytes key
233:                mac.init(key);
234:
235:                mac.update(input40, 0, input40.length);
236:
237:                out = new byte[16];
238:
239:                mac.doFinal(out, 0);
240:
241:                if (!areEqual(out, output_k256_m40)) {
242:                    fail("Failed - expected "
243:                            + new String(Hex.encode(output_k256_m40)) + " got "
244:                            + new String(Hex.encode(out)));
245:                }
246:
247:                // 64 bytes message - 256 bytes key
248:                mac.init(key);
249:
250:                mac.update(input64, 0, input64.length);
251:
252:                out = new byte[16];
253:
254:                mac.doFinal(out, 0);
255:
256:                if (!areEqual(out, output_k256_m64)) {
257:                    fail("Failed - expected "
258:                            + new String(Hex.encode(output_k256_m64)) + " got "
259:                            + new String(Hex.encode(out)));
260:                }
261:            }
262:
263:            public String getName() {
264:                return "CMac";
265:            }
266:
267:            public static void main(String[] args) {
268:                runTest(new CMacTest());
269:            }
270:        }
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