1 /*
2 * Copyright (c) 2012, 2015, 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.
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23 */
24
25 /**
26 * @author Tom Deneau
27 */
28
29 import jdk.test.lib.Utils;
30 import java.security.AlgorithmParameters;
31 import java.util.Random;
32 import javax.crypto.Cipher;
33 import javax.crypto.SecretKey;
34 import javax.crypto.spec.IvParameterSpec;
35 import javax.crypto.spec.SecretKeySpec;
36
37 abstract public class TestAESBase {
38 int msgSize = Integer.getInteger("msgSize", 646);
39 boolean checkOutput = Boolean.getBoolean("checkOutput");
40 boolean noReinit = Boolean.getBoolean("noReinit");
41 boolean testingMisalignment;
42 private static final int ALIGN = 8;
43 int encInputOffset = Integer.getInteger("encInputOffset", 0) % ALIGN;
44 int encOutputOffset = Integer.getInteger("encOutputOffset", 0) % ALIGN;
45 int decOutputOffset = Integer.getInteger("decOutputOffset", 0) % ALIGN;
46 int lastChunkSize = Integer.getInteger("lastChunkSize", 32);
47 int keySize = Integer.getInteger("keySize", 128);
48 int inputLength;
49 int encodeLength;
50 int decodeLength;
51 int decodeMsgSize;
52 String algorithm = System.getProperty("algorithm", "AES");
53 String mode = System.getProperty("mode", "CBC");
54 String paddingStr = System.getProperty("paddingStr", "PKCS5Padding");
55 byte[] input;
56 byte[] encode;
57 byte[] expectedEncode;
58 byte[] decode;
59 byte[] expectedDecode;
60 final Random random = Utils.getRandomInstance();
61 Cipher cipher;
62 Cipher dCipher;
63 AlgorithmParameters algParams;
64 SecretKey key;
65
66 static int numThreads = 0;
67 int threadId;
68 static synchronized int getThreadId() {
69 int id = numThreads;
70 numThreads++;
71 return id;
72 }
73
74 abstract public void run();
75
76 public void prepare() {
77 try {
78 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 );
79
80 if (encInputOffset % ALIGN != 0 || encOutputOffset % ALIGN != 0 || decOutputOffset % ALIGN !=0 )
81 testingMisalignment = true;
82
83 int keyLenBytes = (keySize == 0 ? 16 : keySize/8);
84 byte keyBytes[] = new byte[keyLenBytes];
85 if (keySize == 128)
86 keyBytes = new byte[] {-8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7};
87 else
88 random.nextBytes(keyBytes);
89
90 key = new SecretKeySpec(keyBytes, algorithm);
91 if (threadId == 0) {
92 System.out.println("Algorithm: " + key.getAlgorithm() + "("
93 + key.getEncoded().length * 8 + "bit)");
94 }
95
96 cipher = Cipher.getInstance(algorithm + "/" + mode + "/" + paddingStr, "SunJCE");
97 dCipher = Cipher.getInstance(algorithm + "/" + mode + "/" + paddingStr, "SunJCE");
98
99 if (mode.equals("CBC")) {
100 int ivLen = (algorithm.equals("AES") ? 16 : algorithm.equals("DES") ? 8 : 0);
101 IvParameterSpec initVector = new IvParameterSpec(new byte[ivLen]);
102 cipher.init(Cipher.ENCRYPT_MODE, key, initVector);
103 } else {
104 algParams = cipher.getParameters();
105 cipher.init(Cipher.ENCRYPT_MODE, key, algParams);
106 }
107 algParams = cipher.getParameters();
108 dCipher.init(Cipher.DECRYPT_MODE, key, algParams);
109 if (threadId == 0) {
110 childShowCipher();
111 }
112
113 inputLength = msgSize + encInputOffset;
114 if (testingMisalignment) {
115 encodeLength = cipher.getOutputSize(msgSize - lastChunkSize) + encOutputOffset;
116 encodeLength += cipher.getOutputSize(lastChunkSize);
117 decodeLength = dCipher.getOutputSize(encodeLength - lastChunkSize) + decOutputOffset;
118 decodeLength += dCipher.getOutputSize(lastChunkSize);
119 } else {
120 encodeLength = cipher.getOutputSize(msgSize) + encOutputOffset;
121 decodeLength = dCipher.getOutputSize(encodeLength) + decOutputOffset;
122 }
123
124 input = new byte[inputLength];
125 for (int i=encInputOffset, j=0; i<inputLength; i++, j++) {
126 input[i] = (byte) (j & 0xff);
127 }
128
129 // do one encode and decode in preparation
130 encode = new byte[encodeLength];
131 decode = new byte[decodeLength];
132 if (testingMisalignment) {
133 decodeMsgSize = cipher.update(input, encInputOffset, (msgSize - lastChunkSize), encode, encOutputOffset);
134 decodeMsgSize += cipher.doFinal(input, (encInputOffset + msgSize - lastChunkSize), lastChunkSize, encode, (encOutputOffset + decodeMsgSize));
135
136 int tempSize = dCipher.update(encode, encOutputOffset, (decodeMsgSize - lastChunkSize), decode, decOutputOffset);
137 dCipher.doFinal(encode, (encOutputOffset + decodeMsgSize - lastChunkSize), lastChunkSize, decode, (decOutputOffset + tempSize));
138 } else {
139 decodeMsgSize = cipher.doFinal(input, encInputOffset, msgSize, encode, encOutputOffset);
140 dCipher.doFinal(encode, encOutputOffset, decodeMsgSize, decode, decOutputOffset);
141 }
142 if (checkOutput) {
143 expectedEncode = (byte[]) encode.clone();
144 expectedDecode = (byte[]) decode.clone();
145 showArray(key.getEncoded() , "key: ");
146 showArray(input, "input: ");
147 showArray(encode, "encode: ");
148 showArray(decode, "decode: ");
149 }
150 }
151 catch (Exception e) {
152 e.printStackTrace();
153 System.exit(1);
154 }
155 }
156
157 void showArray(byte b[], String name) {
158 System.out.format("%s [%d]: ", name, b.length);
159 for (int i=0; i<Math.min(b.length, 32); i++) {
160 System.out.format("%02x ", b[i] & 0xff);
161 }
162 System.out.println();
163 }
164
165 void compareArrays(byte b[], byte exp[]) {
166 if (b.length != exp.length) {
167 System.out.format("different lengths for actual and expected output arrays\n");
168 showArray(b, "test: ");
169 showArray(exp, "exp : ");
170 System.exit(1);
171 }
172 for (int i=0; i< exp.length; i++) {
173 if (b[i] != exp[i]) {
174 System.out.format("output error at index %d: got %02x, expected %02x\n", i, b[i] & 0xff, exp[i] & 0xff);
175 showArray(b, "test: ");
176 showArray(exp, "exp : ");
177 System.exit(1);
178 }
179 }
180 }
181
182
183 void showCipher(Cipher c, String kind) {
184 System.out.println(kind + " cipher provider: " + cipher.getProvider());
185 System.out.println(kind + " cipher algorithm: " + cipher.getAlgorithm());
186 }
187
188 abstract void childShowCipher();
189 }