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.
22 *
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.GCMParameterSpec;
35 import javax.crypto.spec.IvParameterSpec;
36 import javax.crypto.spec.SecretKeySpec;
37
38 abstract public class TestAESBase {
39 int msgSize = Integer.getInteger("msgSize", 646);
40 boolean checkOutput = Boolean.getBoolean("checkOutput");
41 boolean noReinit = Boolean.getBoolean("noReinit");
42 boolean testingMisalignment;
43 private static final int ALIGN = 8;
44 int encInputOffset = Integer.getInteger("encInputOffset", 0) % ALIGN;
45 int encOutputOffset = Integer.getInteger("encOutputOffset", 0) % ALIGN;
46 int decOutputOffset = Integer.getInteger("decOutputOffset", 0) % ALIGN;
47 int lastChunkSize = Integer.getInteger("lastChunkSize", 32);
48 int keySize = Integer.getInteger("keySize", 128);
49 int inputLength;
50 int encodeLength;
51 int decodeLength;
52 int decodeMsgSize;
53 String algorithm = System.getProperty("algorithm", "AES");
54 String mode = System.getProperty("mode", "CBC");
55 String paddingStr = System.getProperty("paddingStr", "PKCS5Padding");
56 byte[] input;
57 byte[] encode;
58 byte[] expectedEncode;
59 byte[] decode;
60 byte[] expectedDecode;
61 final Random random = Utils.getRandomInstance();
62 Cipher cipher;
63 Cipher dCipher;
64 AlgorithmParameters algParams;
65 SecretKey key;
66 GCMParameterSpec gcm_spec;
67 byte[] aad;
68 int tlen = 12;
69 byte[] iv;
70
71 static int numThreads = 0;
72 int threadId;
73 static synchronized int getThreadId() {
74 int id = numThreads;
75 numThreads++;
76 return id;
77 }
78
79 abstract public void run();
80
81 public void prepare() {
82 try {
83 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 );
84
85 if (encInputOffset % ALIGN != 0 || encOutputOffset % ALIGN != 0 || decOutputOffset % ALIGN !=0 )
86 testingMisalignment = true;
87
88 int keyLenBytes = (keySize == 0 ? 16 : keySize/8);
89 byte keyBytes[] = new byte[keyLenBytes];
90 if (keySize == 128)
91 keyBytes = new byte[] {-8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7};
92 else
93 random.nextBytes(keyBytes);
94
95 key = new SecretKeySpec(keyBytes, algorithm);
96 if (threadId == 0) {
97 System.out.println("Algorithm: " + key.getAlgorithm() + "("
98 + key.getEncoded().length * 8 + "bit)");
99 }
100
101 cipher = Cipher.getInstance(algorithm + "/" + mode + "/" + paddingStr, "SunJCE");
102 dCipher = Cipher.getInstance(algorithm + "/" + mode + "/" + paddingStr, "SunJCE");
103
104 if (mode.equals("CBC")) {
105 int ivLen = (algorithm.equals("AES") ? 16 : algorithm.equals("DES") ? 8 : 0);
106 IvParameterSpec initVector = new IvParameterSpec(new byte[ivLen]);
107 cipher.init(Cipher.ENCRYPT_MODE, key, initVector);
108 } else if (mode.equals("GCM")) {
109 iv = new byte[64];
110 random.nextBytes(iv);
111 aad = new byte[5];
112 random.nextBytes(aad);
113 gcm_init();
114 } else {
115 algParams = cipher.getParameters();
116 cipher.init(Cipher.ENCRYPT_MODE, key, algParams);
117 }
118 algParams = cipher.getParameters();
119 dCipher.init(Cipher.DECRYPT_MODE, key, algParams);
120 if (threadId == 0) {
121 childShowCipher();
122 }
123
124 inputLength = msgSize + encInputOffset;
125 if (testingMisalignment) {
126 encodeLength = cipher.getOutputSize(msgSize - lastChunkSize) + encOutputOffset;
127 encodeLength += cipher.getOutputSize(lastChunkSize);
128 decodeLength = dCipher.getOutputSize(encodeLength - lastChunkSize) + decOutputOffset;
129 decodeLength += dCipher.getOutputSize(lastChunkSize);
130 } else {
131 encodeLength = cipher.getOutputSize(msgSize) + encOutputOffset;
132 decodeLength = dCipher.getOutputSize(encodeLength) + decOutputOffset;
133 }
134
135 input = new byte[inputLength];
136 for (int i=encInputOffset, j=0; i<inputLength; i++, j++) {
137 input[i] = (byte) (j & 0xff);
138 }
139
140 // do one encode and decode in preparation
141 encode = new byte[encodeLength];
142 decode = new byte[decodeLength];
143 if (testingMisalignment) {
144 decodeMsgSize = cipher.update(input, encInputOffset, (msgSize - lastChunkSize), encode, encOutputOffset);
145 decodeMsgSize += cipher.doFinal(input, (encInputOffset + msgSize - lastChunkSize), lastChunkSize, encode, (encOutputOffset + decodeMsgSize));
146
147 int tempSize = dCipher.update(encode, encOutputOffset, (decodeMsgSize - lastChunkSize), decode, decOutputOffset);
148 dCipher.doFinal(encode, (encOutputOffset + decodeMsgSize - lastChunkSize), lastChunkSize, decode, (decOutputOffset + tempSize));
149 } else {
150 decodeMsgSize = cipher.doFinal(input, encInputOffset, msgSize, encode, encOutputOffset);
151 dCipher.doFinal(encode, encOutputOffset, decodeMsgSize, decode, decOutputOffset);
152 }
153 if (checkOutput) {
154 expectedEncode = (byte[]) encode.clone();
155 expectedDecode = (byte[]) decode.clone();
156 showArray(key.getEncoded() , "key: ");
157 showArray(input, "input: ");
158 showArray(encode, "encode: ");
159 showArray(decode, "decode: ");
160 }
161 }
162 catch (Exception e) {
163 e.printStackTrace();
164 System.exit(1);
165 }
166 }
167
168 void showArray(byte b[], String name) {
169 System.out.format("%s [%d]: ", name, b.length);
170 for (int i=0; i<Math.min(b.length, 32); i++) {
171 System.out.format("%02x ", b[i] & 0xff);
172 }
173 System.out.println();
174 }
175
176 void compareArrays(byte b[], byte exp[]) {
177 if (b.length != exp.length) {
178 System.out.format("different lengths for actual and expected output arrays\n");
179 showArray(b, "test: ");
180 showArray(exp, "exp : ");
181 System.exit(1);
182 }
183 for (int i=0; i< exp.length; i++) {
184 if (b[i] != exp[i]) {
185 System.out.format("output error at index %d: got %02x, expected %02x\n", i, b[i] & 0xff, exp[i] & 0xff);
186 showArray(b, "test: ");
187 showArray(exp, "exp : ");
188 System.exit(1);
189 }
190 }
191 }
192
193
194 void showCipher(Cipher c, String kind) {
195 System.out.println(kind + " cipher provider: " + cipher.getProvider());
196 System.out.println(kind + " cipher algorithm: " + cipher.getAlgorithm());
197 }
198
199 abstract void childShowCipher();
200
201 void gcm_init() throws Exception {
202 tlen = 12;
203 gcm_spec = new GCMParameterSpec(tlen * 8, iv);
204 cipher = Cipher.getInstance(algorithm + "/" + mode + "/" + paddingStr, "SunJCE");
205 cipher.init(Cipher.ENCRYPT_MODE, key, gcm_spec);
206 cipher.update(aad);
207 }
208 }