1 /* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package tests.security.interfaces; 18 19 import dalvik.annotation.TestLevel; 20 import dalvik.annotation.TestTargetNew; 21 import dalvik.annotation.TestTargetClass; 22 23 import junit.framework.TestCase; 24 25 import java.math.BigInteger; 26 import java.security.interfaces.DSAKeyPairGenerator; 27 import java.security.interfaces.DSAParams; 28 import java.security.SecureRandom; 29 import java.security.spec.DSAParameterSpec; 30 import java.security.InvalidParameterException; 31 32 import org.apache.harmony.security.tests.support.interfaces.DSAKeyPairGeneratorImpl; 33 34 @TestTargetClass(DSAKeyPairGenerator.class) 35 public class DSAKeyPairGeneratorTest extends TestCase { 36 37 private final BigInteger p = new BigInteger("4"); 38 private final BigInteger q = BigInteger.TEN; 39 private final BigInteger g = BigInteger.ZERO; 40 41 42 class MyDSA extends DSAKeyPairGeneratorImpl { 43 public MyDSA(DSAParams dsaParams) { 44 super(dsaParams); 45 } 46 } 47 48 /** 49 * @tests java.security.interfaces.DSAKeyPairGenerator 50 * #initialize(DSAParams params, SecureRandom random) 51 */ 52 @TestTargetNew( 53 level = TestLevel.COMPLETE, 54 notes = "", 55 method = "initialize", 56 args = {java.security.interfaces.DSAParams.class, java.security.SecureRandom.class} 57 ) 58 public void test_DSAKeyPairGenerator01() { 59 DSAParams dsaParams = new DSAParameterSpec(p, q, g); 60 SecureRandom random = null; 61 MyDSA dsa = new MyDSA(dsaParams); 62 try { 63 random = SecureRandom.getInstance("SHA1PRNG"); 64 } catch (Exception e) { 65 fail("Unexpected exception for SecureRandom: " + e); 66 } 67 68 try { 69 dsa.initialize(dsaParams, random); 70 } catch (Exception e) { 71 fail("Unexpected exception: " + e); 72 } 73 74 try { 75 dsa.initialize(dsaParams, null); 76 fail("InvalidParameterException was not thrown"); 77 } catch (InvalidParameterException ipe) { 78 //expected 79 } catch (Exception e) { 80 fail(e + " was thrown instead of InvalidParameterException"); 81 } 82 try { 83 dsa.initialize(null, random); 84 fail("InvalidParameterException was not thrown"); 85 } catch (InvalidParameterException ipe) { 86 //expected 87 } catch (Exception e) { 88 fail(e + " was thrown instead of InvalidParameterException"); 89 } 90 } 91 92 /** 93 * @tests java.security.interfaces.DSAKeyPairGenerator 94 * #initialize(int modlen, boolean genParams, SecureRandom randomm) 95 */ 96 @TestTargetNew( 97 level = TestLevel.COMPLETE, 98 notes = "", 99 method = "initialize", 100 args = {int.class, boolean.class, java.security.SecureRandom.class} 101 ) 102 public void test_DSAKeyPairGenerator02() { 103 int[] invalidLen = {-1, 0, 511, 513, 650, 1023, 1025}; 104 DSAParams dsaParams = new DSAParameterSpec(p, q, g); 105 SecureRandom random = null; 106 MyDSA dsa = new MyDSA(null); 107 try { 108 random = SecureRandom.getInstance("SHA1PRNG"); 109 } catch (Exception e) { 110 fail("Unexpected exception for SecureRandom: " + e); 111 } 112 113 //exception case 114 try { 115 dsa.initialize(520, false, random); 116 fail("InvalidParameterException was not thrown"); 117 } catch (InvalidParameterException ipe) { 118 String str = ipe.getMessage(); 119 if (!str.equals("there are not precomputed parameters")) { 120 fail("Incorrect exception's message: " + str); 121 } 122 } catch (Exception e) { 123 fail(e + " was thrown instead of InvalidParameterException"); 124 } 125 126 //exception case 127 for (int i = 0; i < invalidLen.length; i++) { 128 try { 129 dsa.initialize(invalidLen[i], true, random); 130 fail("InvalidParameterException was not thrown"); 131 } catch (InvalidParameterException ipe) { 132 String str = ipe.getMessage(); 133 if (!str.equals("Incorrect modlen")) { 134 fail("Incorrect exception's message: " + str); 135 } 136 } catch (Exception e) { 137 fail(e + " was thrown instead of InvalidParameterException"); 138 } 139 } 140 141 //positive case 142 dsa = new MyDSA(dsaParams); 143 try { 144 dsa.initialize(520, true, random); 145 } catch (Exception e) { 146 fail(e + " was thrown for subcase 1"); 147 } 148 149 //positive case 150 try { 151 dsa.initialize(520, false, random); 152 } catch (Exception e) { 153 fail(e + " was thrown for subcase 1"); 154 } 155 } 156 } 157
