1f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson/* 2f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson * Copyright (C) 2009 The Android Open Source Project 3f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson * 4f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson * Licensed under the Apache License, Version 2.0 (the "License"); 5f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson * you may not use this file except in compliance with the License. 6f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson * You may obtain a copy of the License at 7f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson * 8f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson * http://www.apache.org/licenses/LICENSE-2.0 9f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson * 10f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson * Unless required by applicable law or agreed to in writing, software 11f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson * distributed under the License is distributed on an "AS IS" BASIS, 12f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson * See the License for the specific language governing permissions and 14f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson * limitations under the License. 15f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson */ 16f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson 17f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilsonpackage tests.security; 18f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson 19f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilsonimport java.security.AlgorithmParameters; 20f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilsonimport java.security.InvalidAlgorithmParameterException; 21f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilsonimport java.security.InvalidKeyException; 22f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilsonimport java.security.KeyPair; 23f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilsonimport java.security.KeyPairGenerator; 24f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilsonimport java.security.NoSuchAlgorithmException; 25f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilsonimport java.security.Signature; 26f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilsonimport java.security.SignatureException; 27f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilsonimport java.security.spec.AlgorithmParameterSpec; 28f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilsonimport java.security.spec.InvalidParameterSpecException; 29f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilsonimport junit.framework.Assert; 30f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson 31f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilsonpublic class AlgorithmParameterSignatureHelper<T extends AlgorithmParameterSpec> 32f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson extends TestHelper<AlgorithmParameters> { 33f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson 34f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson private final String algorithmName; 35f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson private final String plainData = "some data do sign and verify"; 36f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson private final Class<T> parameterSpecClass; 37f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson 38f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson public AlgorithmParameterSignatureHelper(String algorithmName, Class<T> parameterSpecCla1ss) { 39f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson this.algorithmName = algorithmName; 40f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson this.parameterSpecClass = parameterSpecCla1ss; 41f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson } 42f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson 43f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson @Override 44f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson public void test(AlgorithmParameters parameters) { 45f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson 46f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson Signature signature = null; 47f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson try { 48f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson signature = Signature.getInstance(algorithmName); 49f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson } catch (NoSuchAlgorithmException e) { 50f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson Assert.fail(e.getMessage()); 51f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson } 52f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson 53f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson 54f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson T parameterSpec = null; 55f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson try { 56f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson parameterSpec = parameters.getParameterSpec(parameterSpecClass); 57f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson } catch (InvalidParameterSpecException e) { 58f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson Assert.fail(e.getMessage()); 59f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson } 60f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson 61f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson KeyPairGenerator generator = null; 62f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson try { 63f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson generator = KeyPairGenerator.getInstance(algorithmName); 64f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson } catch (NoSuchAlgorithmException e) { 65f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson Assert.fail(e.getMessage()); 66f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson } 67f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson 68f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson try { 69f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson generator.initialize(parameterSpec); 70f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson } catch (InvalidAlgorithmParameterException e) { 71f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson Assert.fail(e.getMessage()); 72f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson } 73f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson 74f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson KeyPair keyPair = generator.genKeyPair(); 75f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson 76f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson try { 77f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson signature.initSign(keyPair.getPrivate()); 78f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson } catch (InvalidKeyException e) { 79f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson Assert.fail(e.getMessage()); 80f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson } 81f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson 82f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson try { 83f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson signature.update(plainData.getBytes()); 84f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson } catch (SignatureException e) { 85f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson Assert.fail(e.getMessage()); 86f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson } 87f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson 88f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson byte[] signed = null; 89f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson try { 90f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson signed = signature.sign(); 91f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson } catch (SignatureException e) { 92f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson Assert.fail(e.getMessage()); 93f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson } 94f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson 95f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson try { 96f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson signature.initVerify(keyPair.getPublic()); 97f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson } catch (InvalidKeyException e) { 98f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson Assert.fail(e.getMessage()); 99f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson } 100f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson 101f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson try { 102f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson signature.update(plainData.getBytes()); 103f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson } catch (SignatureException e) { 104f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson Assert.fail(e.getMessage()); 105f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson } 106f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson 107f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson try { 108f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson Assert.assertTrue("signature could not be verified", signature 109f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson .verify(signed)); 110f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson } catch (SignatureException e) { 111f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson Assert.fail(e.getMessage()); 112f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson } 113f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson } 114f979bbd1277c77ca945ad981e7864fb4e9f6ae05Jesse Wilson} 115