1 /*
2 * Copyright (c) 2020, 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 * @test
26 * @bug 8166597
27 * @summary Test EdDSA basic operations
28 * @library /test/lib
29 * @build jdk.test.lib.Convert
30 * @modules java.base/sun.security.provider
31 * java.base/sun.security.util
32 * java.base/sun.security.util.math
33 * java.base/sun.security.util.math.intpoly
34 * jdk.crypto.ec/sun.security.ec.ed
35 * @run main TestEdOps
36 */
37
38 import sun.security.ec.ed.*;
39 import java.security.*;
40 import java.security.spec.*;
41 import java.util.Arrays;
42 import sun.security.provider.SHAKE256;
43 import jdk.test.lib.Convert;
44
45 public class TestEdOps {
46
47 public static void main(String[] args) throws Exception {
48
49 testShake();
50 testVectors();
51 testRandom(1000);
52 testInvalidPoints();
53 }
54
55 private static void testShake() {
56
57 runShakeTest(32, "765db6ab3af389b8c775c8eb99fe72",
58 "ccb6564a655c94d714f80b9f8de9e2610c4478778eac1b9256237dbf90e50581");
59
60 runShakeTest(32,
61 "0e3dcd346c68bc5b5cafe3342a7e0e29272e42fba12a51081251abca989c77a1" +
62 "a501e2",
63 "c934ab7f2148da5ca2ce948432fa72be49420f10e3dbc1906016773d9819cff4");
64
65 runShakeTest(32,
66 "7e4c74f480e60565fe39e483b5204e24753841dec9ef3ec0dadd4e3f91584373" +
67 "fc424084f3267b5ffb8342ad6a683c05cc41f26086f18dceb921e1",
68 "a6450836c02f8fdfe841fbcb4b4fc7dca9bd56019b92582095ee5d11eca45fa0");
69
70 System.out.println("SHAKE256 tests passed");
71 }
72
73 private static void runShakeTest(int outputLen, String msg, String digest) {
74 byte[] msgBytes = Convert.hexStringToByteArray(msg);
75 byte[] digestBytes = Convert.hexStringToByteArray(digest);
76 SHAKE256 md = new SHAKE256(outputLen);
77 md.update(msgBytes, 0, msgBytes.length);
78 byte[] computed = md.digest();
79 if (!Arrays.equals(digestBytes, computed)) {
80 throw new RuntimeException("hash is incorrect");
81 }
82 }
83
84 private static void testVectors() throws Exception {
85 EdDSAParameters ed25519Params = EdDSAParameters.get(
86 RuntimeException::new, NamedParameterSpec.ED25519);
87 EdDSAOperations ops = new EdDSAOperations(ed25519Params);
88
89 runSignTest(ops,
90 "9d61b19deffd5a60ba844af492ec2cc44449c5697b326919703bac031cae7f60",
91 "d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a",
92 "",
93 "e5564300c360ac729086e2cc806e828a84877f1eb8e5d974d873e06522490155" +
94 "5fb8821590a33bacc61e39701cf9b46bd25bf5f0595bbe24655141438e7a100b");
95
96 runSignTest(ops,
97 "4ccd089b28ff96da9db6c346ec114e0f5b8a319f35aba624da8cf6ed4fb8a6fb",
98 "3d4017c3e843895a92b70aa74d1b7ebc9c982ccf2ec4968cc0cd55f12af4660c",
99 "72",
100 "92a009a9f0d4cab8720e820b5f642540a2b27b5416503f8fb3762223ebdb69da" +
101 "085ac1e43e15996e458f3613d0f11d8c387b2eaeb4302aeeb00d291612bb0c00");
102
103 runSignTest(ops,
104 "c5aa8df43f9f837bedb7442f31dcb7b166d38535076f094b85ce3a2e0b4458f7",
105 "fc51cd8e6218a1a38da47ed00230f0580816ed13ba3303ac5deb911548908025",
106 "af82",
107 "6291d657deec24024827e69c3abe01a30ce548a284743a445e3680d7db5ac3ac" +
108 "18ff9b538d16f290ae67f760984dc6594a7c15e9716ed28dc027beceea1ec40a");
109
110 runSignTest(ops,
111 "f5e5767cf153319517630f226876b86c8160cc583bc013744c6bf255f5cc0ee5",
112 "278117fc144c72340f67d0f2316e8386ceffbf2b2428c9c51fef7c597f1d426e",
113 "08b8b2b733424243760fe426a4b54908632110a66c2f6591eabd3345e3e4eb98" +
114 "fa6e264bf09efe12ee50f8f54e9f77b1e355f6c50544e23fb1433ddf73be84d8" +
115 "79de7c0046dc4996d9e773f4bc9efe5738829adb26c81b37c93a1b270b20329d" +
116 "658675fc6ea534e0810a4432826bf58c941efb65d57a338bbd2e26640f89ffbc" +
117 "1a858efcb8550ee3a5e1998bd177e93a7363c344fe6b199ee5d02e82d522c4fe" +
118 "ba15452f80288a821a579116ec6dad2b3b310da903401aa62100ab5d1a36553e" +
119 "06203b33890cc9b832f79ef80560ccb9a39ce767967ed628c6ad573cb116dbef" +
120 "efd75499da96bd68a8a97b928a8bbc103b6621fcde2beca1231d206be6cd9ec7" +
121 "aff6f6c94fcd7204ed3455c68c83f4a41da4af2b74ef5c53f1d8ac70bdcb7ed1" +
122 "85ce81bd84359d44254d95629e9855a94a7c1958d1f8ada5d0532ed8a5aa3fb2" +
123 "d17ba70eb6248e594e1a2297acbbb39d502f1a8c6eb6f1ce22b3de1a1f40cc24" +
124 "554119a831a9aad6079cad88425de6bde1a9187ebb6092cf67bf2b13fd65f270" +
125 "88d78b7e883c8759d2c4f5c65adb7553878ad575f9fad878e80a0c9ba63bcbcc" +
126 "2732e69485bbc9c90bfbd62481d9089beccf80cfe2df16a2cf65bd92dd597b07" +
127 "07e0917af48bbb75fed413d238f5555a7a569d80c3414a8d0859dc65a46128ba" +
128 "b27af87a71314f318c782b23ebfe808b82b0ce26401d2e22f04d83d1255dc51a" +
129 "ddd3b75a2b1ae0784504df543af8969be3ea7082ff7fc9888c144da2af58429e" +
130 "c96031dbcad3dad9af0dcbaaaf268cb8fcffead94f3c7ca495e056a9b47acdb7" +
131 "51fb73e666c6c655ade8297297d07ad1ba5e43f1bca32301651339e22904cc8c" +
132 "42f58c30c04aafdb038dda0847dd988dcda6f3bfd15c4b4c4525004aa06eeff8" +
133 "ca61783aacec57fb3d1f92b0fe2fd1a85f6724517b65e614ad6808d6f6ee34df" +
134 "f7310fdc82aebfd904b01e1dc54b2927094b2db68d6f903b68401adebf5a7e08" +
135 "d78ff4ef5d63653a65040cf9bfd4aca7984a74d37145986780fc0b16ac451649" +
136 "de6188a7dbdf191f64b5fc5e2ab47b57f7f7276cd419c17a3ca8e1b939ae49e4" +
137 "88acba6b965610b5480109c8b17b80e1b7b750dfc7598d5d5011fd2dcc5600a3" +
138 "2ef5b52a1ecc820e308aa342721aac0943bf6686b64b2579376504ccc493d97e" +
139 "6aed3fb0f9cd71a43dd497f01f17c0e2cb3797aa2a2f256656168e6c496afc5f" +
140 "b93246f6b1116398a346f1a641f3b041e989f7914f90cc2c7fff357876e506b5" +
141 "0d334ba77c225bc307ba537152f3f1610e4eafe595f6d9d90d11faa933a15ef1" +
142 "369546868a7f3a45a96768d40fd9d03412c091c6315cf4fde7cb68606937380d" +
143 "b2eaaa707b4c4185c32eddcdd306705e4dc1ffc872eeee475a64dfac86aba41c" +
144 "0618983f8741c5ef68d3a101e8a3b8cac60c905c15fc910840b94c00a0b9d0",
145 "0aab4c900501b3e24d7cdf4663326a3a87df5e4843b2cbdb67cbf6e460fec350" +
146 "aa5371b1508f9f4528ecea23c436d94b5e8fcd4f681e30a6ac00a9704a188a03");
147
148 runSignTest(ops,
149 "833fe62409237b9d62ec77587520911e9a759cec1d19755b7da901b96dca3d42",
150 "ec172b93ad5e563bf4932c70e1245034c35467ef2efd4d64ebf819683467e2bf",
151 "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a" +
152 "2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f",
153 "dc2a4459e7369633a52b1bf277839a00201009a3efbf3ecb69bea2186c26b589" +
154 "09351fc9ac90b3ecfdfbc7c66431e0303dca179c138ac17ad9bef1177331a704");
155
156
157 EdDSAParameters ed448Params = EdDSAParameters.get(RuntimeException::new,
158 NamedParameterSpec.ED448);
159 EdDSAOperations ed448Ops = new EdDSAOperations(ed448Params);
160
161 runSignTest(ed448Ops,
162 "c4eab05d357007c632f3dbb48489924d552b08fe0c353a0d4a1f00acda2c463a" +
163 "fbea67c5e8d2877c5e3bc397a659949ef8021e954e0a12274e",
164 "43ba28f430cdff456ae531545f7ecd0ac834a55d9358c0372bfa0c6c6798c086" +
165 "6aea01eb00742802b8438ea4cb82169c235160627b4c3a9480",
166 "03",
167 "26b8f91727bd62897af15e41eb43c377efb9c610d48f2335cb0bd0087810f435" +
168 "2541b143c4b981b7e18f62de8ccdf633fc1bf037ab7cd779805e0dbcc0aae1cb" +
169 "cee1afb2e027df36bc04dcecbf154336c19f0af7e0a6472905e799f1953d2a0f" +
170 "f3348ab21aa4adafd1d234441cf807c03a00");
171
172 System.out.println("All test vectors passed");
173 }
174
175 private static void runSignTest(EdDSAOperations ops, String privateKey,
176 String publicKey, String message,
177 String signature) throws Exception {
178
179 EdDSAParameterSpec sigParams = new EdDSAParameterSpec(false);
180
181 byte[] privKeyBytes = Convert.hexStringToByteArray(privateKey);
182 byte[] pubKeyBytes = Convert.hexStringToByteArray(publicKey);
183 byte[] msgBytes = Convert.hexStringToByteArray(message);
184 byte[] computedSig = ops.sign(sigParams, privKeyBytes, msgBytes);
185 if (!Arrays.equals(computedSig,
186 Convert.hexStringToByteArray(signature))) {
187 throw new RuntimeException("Incorrect signature: " +
188 Convert.byteArrayToHexString(computedSig) + " != " + signature);
189 }
190 // Test public key computation
191 EdECPoint pubPoint = ops.computePublic(privKeyBytes);
192 EdDSAPublicKeyImpl pubKey =
193 new EdDSAPublicKeyImpl(ops.getParameters(), pubPoint);
194 byte[] computedPubKey = pubKey.getEncodedPoint();
195 if (!Arrays.equals(computedPubKey, pubKeyBytes)) {
196 throw new RuntimeException("Incorrect public key");
197 }
198
199 // test verification
200 ops.verify(sigParams, pubKeyBytes, msgBytes, computedSig);
201 }
202
203 private static void testRandom(int count) throws Exception {
204
205 EdDSAParameterSpec sigParams = new EdDSAParameterSpec(false);
206 SecureRandom random = SecureRandom.getInstance("SHA1PRNG");
207 random.setSeed(1);
208
209 EdDSAParameters params = EdDSAParameters.get(RuntimeException::new,
210 NamedParameterSpec.ED25519);
211 EdDSAOperations ops = new EdDSAOperations(params);
212
213 long startTime = System.currentTimeMillis();
214
215 for (int i = 0; i < count; i++) {
216 byte[] privKey = ops.generatePrivate(random);
217 byte[] message = new byte[1024];
218 random.nextBytes(message);
219 byte[] sig = ops.sign(sigParams, privKey, message);
220
221 EdECPoint pubKeyPoint = ops.computePublic(privKey);
222 EdDSAPublicKeyImpl pubKey =
223 new EdDSAPublicKeyImpl(params, pubKeyPoint);
224 byte[] encodedPubKey = pubKey.getEncodedPoint();
225 if (!ops.verify(sigParams, encodedPubKey, message, sig)) {
226 throw new RuntimeException("signature did not verify");
227 }
228 }
229
230 long endTime = System.currentTimeMillis();
231 double millisPerIter = (double) (endTime - startTime) / count;
232 System.out.println("Time per keygen+sign+verify: " +
233 millisPerIter + " ms");
234 }
235
236 private static void testInvalidPoints() throws Exception {
237
238 // Ed25519
239
240 // incorrect length
241 testInvalidPoint(NamedParameterSpec.ED25519, "");
242 testInvalidPoint(NamedParameterSpec.ED25519, "ffffff");
243 testInvalidPoint(NamedParameterSpec.ED25519,
244 "abd75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f70751" +
245 "1a");
246 // y value too large
247 testInvalidPoint(NamedParameterSpec.ED25519,
248 "8ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe");
249 // not square
250 testInvalidPoint(NamedParameterSpec.ED25519,
251 "d85a980182b10ac7d54bfed3c964073a0ee172f3daa62325af021a68f707511a");
252 // x = 0, but x mod 2 == 1
253 testInvalidPoint(NamedParameterSpec.ED25519,
254 "0100000000000000000000000000000000000000000000000000000000000080");
255
256 // Ed448
257 testInvalidPoint(NamedParameterSpec.ED448, "");
258 testInvalidPoint(NamedParameterSpec.ED448, "ffffff");
259 testInvalidPoint(NamedParameterSpec.ED448,
260 "ab43ba28f430cdfe456ae531545f7ecd0ac834a55c9358c0372bfa0c6c6798c0" +
261 "866aea01eb00742802b8438ea4cb82169c235160627b4c3a9480");
262 // y value too large
263 testInvalidPoint(NamedParameterSpec.ED448,
264 "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff" +
265 "fffffffffffffffffffffffffffffffffffffffffffffffffff00");
266 // not square
267 testInvalidPoint(NamedParameterSpec.ED448,
268 "43ba28f430cdfe456ae531545f7ecd0ac834a55c9358c0372bfa0c6c6798c086" +
269 "6aea01eb00742802b8438ea4cb82169c235160627b4c3a9480");
270 // x = 0, but x mod 2 == 1
271 testInvalidPoint(NamedParameterSpec.ED448,
272 "0100000000000000000000000000000000000000000000000000000000000000" +
273 "00000000000000000000000000000000000000000000000080");
274
275 }
276
277 private static void testInvalidPoint(NamedParameterSpec curve,
278 String pointStr) throws Exception {
279
280 byte[] encodedPoint = Convert.hexStringToByteArray(pointStr);
281 EdDSAParameters params =
282 EdDSAParameters.get(RuntimeException::new, curve);
283 EdDSAOperations ops = new EdDSAOperations(params);
284 try {
285 ops.decodeAffinePoint(InvalidKeyException::new, encodedPoint);
286 throw new RuntimeException("No exception on invalid point");
287 } catch (InvalidKeyException ex) {
288 // this is expected
289 }
290 }
291 }