1 /*
2 * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 /**
26 * @author Tom Deneau
27 */
28
29 import javax.crypto.Cipher;
30 import javax.crypto.KeyGenerator;
31 import javax.crypto.SecretKey;
32 import javax.crypto.spec.IvParameterSpec;
33 import javax.crypto.spec.SecretKeySpec;
34 import java.security.AlgorithmParameters;
35
36 import java.util.Random;
37 import java.util.Arrays;
38
39 abstract public class TestAESBase {
40 int msgSize = Integer.getInteger("msgSize", 646);
41 boolean checkOutput = Boolean.getBoolean("checkOutput");
42 boolean noReinit = Boolean.getBoolean("noReinit");
43 boolean testingMisalignment;
44 private static final int ALIGN = 8;
45 int encInputOffset = Integer.getInteger("encInputOffset", 0) % ALIGN;
46 int encOutputOffset = Integer.getInteger("encOutputOffset", 0) % ALIGN;
47 int decOutputOffset = Integer.getInteger("decOutputOffset", 0) % ALIGN;
48 int lastChunkSize = Integer.getInteger("lastChunkSize", 32);
49 int keySize = Integer.getInteger("keySize", 128);
50 int inputLength;
51 int encodeLength;
52 int decodeLength;
53 int decodeMsgSize;
54 String algorithm = System.getProperty("algorithm", "AES");
55 String mode = System.getProperty("mode", "CBC");
56 String paddingStr = System.getProperty("paddingStr", "PKCS5Padding");
57 byte[] input;
58 byte[] encode;
59 byte[] expectedEncode;
60 byte[] decode;
61 byte[] expectedDecode;
62 Random random = new Random(0);
63 Cipher cipher;
64 Cipher dCipher;
65 AlgorithmParameters algParams;
66 SecretKey key;
67
68 static int numThreads = 0;
69 int threadId;
70 static synchronized int getThreadId() {
71 int id = numThreads;
72 numThreads++;
73 return id;
74 }
75
76 abstract public void run();
77
78 public void prepare() {
79 try {
80 System.out.println("\nalgorithm=" + algorithm + ", mode=" + mode + ", paddingStr=" + paddingStr + ", msgSize=" + msgSize + ", keySize=" + keySize + ", noReinit=" + noReinit + ", checkOutput=" + checkOutput + ", encInputOffset=" + encInputOffset + ", encOutputOffset=" + encOutputOffset + ", decOutputOffset=" + decOutputOffset + ", lastChunkSize=" +lastChunkSize );
81
82 if (encInputOffset % ALIGN != 0 || encOutputOffset % ALIGN != 0 || decOutputOffset % ALIGN !=0 )
83 testingMisalignment = true;
84
85 int keyLenBytes = (keySize == 0 ? 16 : keySize/8);
86 byte keyBytes[] = new byte[keyLenBytes];
87 if (keySize == 128)
88 keyBytes = new byte[] {-8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7};
89 else
90 random.nextBytes(keyBytes);
91
92 key = new SecretKeySpec(keyBytes, algorithm);
93 if (threadId == 0) {
94 System.out.println("Algorithm: " + key.getAlgorithm() + "("
95 + key.getEncoded().length * 8 + "bit)");
96 }
97
98 cipher = Cipher.getInstance(algorithm + "/" + mode + "/" + paddingStr, "SunJCE");
99 dCipher = Cipher.getInstance(algorithm + "/" + mode + "/" + paddingStr, "SunJCE");
100
101 if (mode.equals("CBC")) {
102 int ivLen = (algorithm.equals("AES") ? 16 : algorithm.equals("DES") ? 8 : 0);
103 IvParameterSpec initVector = new IvParameterSpec(new byte[ivLen]);
104 cipher.init(Cipher.ENCRYPT_MODE, key, initVector);
105 } else {
106 algParams = cipher.getParameters();
107 cipher.init(Cipher.ENCRYPT_MODE, key, algParams);
108 }
109 algParams = cipher.getParameters();
110 dCipher.init(Cipher.DECRYPT_MODE, key, algParams);
111 if (threadId == 0) {
112 childShowCipher();
113 }
114
115 inputLength = msgSize + encInputOffset;
116 if (testingMisalignment) {
117 encodeLength = cipher.getOutputSize(msgSize - lastChunkSize) + encOutputOffset;
118 encodeLength += cipher.getOutputSize(lastChunkSize);
119 decodeLength = dCipher.getOutputSize(encodeLength - lastChunkSize) + decOutputOffset;
120 decodeLength += dCipher.getOutputSize(lastChunkSize);
121 } else {
122 encodeLength = cipher.getOutputSize(msgSize) + encOutputOffset;
123 decodeLength = dCipher.getOutputSize(encodeLength) + decOutputOffset;
124 }
125
126 input = new byte[inputLength];
127 for (int i=encInputOffset, j=0; i<inputLength; i++, j++) {
128 input[i] = (byte) (j & 0xff);
129 }
130
131 // do one encode and decode in preparation
132 encode = new byte[encodeLength];
133 decode = new byte[decodeLength];
134 if (testingMisalignment) {
135 decodeMsgSize = cipher.update(input, encInputOffset, (msgSize - lastChunkSize), encode, encOutputOffset);
136 decodeMsgSize += cipher.doFinal(input, (encInputOffset + msgSize - lastChunkSize), lastChunkSize, encode, (encOutputOffset + decodeMsgSize));
137
138 int tempSize = dCipher.update(encode, encOutputOffset, (decodeMsgSize - lastChunkSize), decode, decOutputOffset);
139 dCipher.doFinal(encode, (encOutputOffset + decodeMsgSize - lastChunkSize), lastChunkSize, decode, (decOutputOffset + tempSize));
140 } else {
141 decodeMsgSize = cipher.doFinal(input, encInputOffset, msgSize, encode, encOutputOffset);
142 dCipher.doFinal(encode, encOutputOffset, decodeMsgSize, decode, decOutputOffset);
143 }
144 if (checkOutput) {
145 expectedEncode = (byte[]) encode.clone();
146 expectedDecode = (byte[]) decode.clone();
147 showArray(key.getEncoded() , "key: ");
148 showArray(input, "input: ");
149 showArray(encode, "encode: ");
150 showArray(decode, "decode: ");
151 }
152 }
153 catch (Exception e) {
154 e.printStackTrace();
155 System.exit(1);
156 }
157 }
158
159 void showArray(byte b[], String name) {
160 System.out.format("%s [%d]: ", name, b.length);
161 for (int i=0; i<Math.min(b.length, 32); i++) {
162 System.out.format("%02x ", b[i] & 0xff);
163 }
164 System.out.println();
165 }
166
167 void compareArrays(byte b[], byte exp[]) {
168 if (b.length != exp.length) {
169 System.out.format("different lengths for actual and expected output arrays\n");
170 showArray(b, "test: ");
171 showArray(exp, "exp : ");
172 System.exit(1);
173 }
174 for (int i=0; i< exp.length; i++) {
175 if (b[i] != exp[i]) {
176 System.out.format("output error at index %d: got %02x, expected %02x\n", i, b[i] & 0xff, exp[i] & 0xff);
177 showArray(b, "test: ");
178 showArray(exp, "exp : ");
179 System.exit(1);
180 }
181 }
182 }
183
184
185 void showCipher(Cipher c, String kind) {
186 System.out.println(kind + " cipher provider: " + cipher.getProvider());
187 System.out.println(kind + " cipher algorithm: " + cipher.getAlgorithm());
188 }
189
190 abstract void childShowCipher();
191 }