Showing the changes to java/pkg/sun/security/pkcs12/MacData.java (1 of 18352 files). Show all
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| 1 | +/* | |
| 2 | + * Copyright (c) 1999, 2007, 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. Oracle designates this | |
| 8 | + * particular file as subject to the "Classpath" exception as provided | |
| 9 | + * by Oracle in the LICENSE file that accompanied this code. | |
| 10 | + * | |
| 11 | + * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 | + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 | + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 | + * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 | + * accompanied this code). | |
| 16 | + * | |
| 17 | + * You should have received a copy of the GNU General Public License version | |
| 18 | + * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 | + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 | + * | |
| 21 | + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 | + * or visit www.oracle.com if you need additional information or have any | |
| 23 | + * questions. | |
| 24 | + */ | |
| 25 | + | |
| 26 | +package sun.security.pkcs12; | |
| 27 | + | |
| 28 | +import java.io.*; | |
| 29 | +import java.security.*; | |
| 30 | + | |
| 31 | +import sun.security.util.DerInputStream; | |
| 32 | +import sun.security.util.DerOutputStream; | |
| 33 | +import sun.security.util.DerValue; | |
| 34 | +import sun.security.x509.AlgorithmId; | |
| 35 | +import sun.security.pkcs.ParsingException; | |
| 36 | + | |
| 37 | + | |
| 38 | +/** | |
| 39 | + * A MacData type, as defined in PKCS#12. | |
| 40 | + * | |
| 41 | + * @author Sharon Liu | |
| 42 | + */ | |
| 43 | + | |
| 44 | +class MacData { | |
| 45 | + | |
| 46 | + private String digestAlgorithmName; | |
| 47 | + private AlgorithmParameters digestAlgorithmParams; | |
| 48 | + private byte[] digest; | |
| 49 | + private byte[] macSalt; | |
| 50 | + private int iterations; | |
| 51 | + | |
| 52 | + // the ASN.1 encoded contents of this class | |
| 53 | + private byte[] encoded = null; | |
| 54 | + | |
| 55 | + /** | |
| 56 | + * Parses a PKCS#12 MAC data. | |
| 57 | + */ | |
| 58 | + MacData(DerInputStream derin) | |
| 59 | + throws IOException, ParsingException | |
| 60 | + { | |
| 61 | + DerValue[] macData = derin.getSequence(2); | |
| 62 | + | |
| 63 | + // Parse the digest info | |
| 64 | + DerInputStream digestIn = new DerInputStream(macData[0].toByteArray()); | |
| 65 | + DerValue[] digestInfo = digestIn.getSequence(2); | |
| 66 | + | |
| 67 | + // Parse the DigestAlgorithmIdentifier. | |
| 68 | + AlgorithmId digestAlgorithmId = AlgorithmId.parse(digestInfo[0]); | |
| 69 | + this.digestAlgorithmName = digestAlgorithmId.getName(); | |
| 70 | + this.digestAlgorithmParams = digestAlgorithmId.getParameters(); | |
| 71 | + // Get the digest. | |
| 72 | + this.digest = digestInfo[1].getOctetString(); | |
| 73 | + | |
| 74 | + // Get the salt. | |
| 75 | + this.macSalt = macData[1].getOctetString(); | |
| 76 | + | |
| 77 | + // Iterations is optional. The default value is 1. | |
| 78 | + if (macData.length > 2) { | |
| 79 | + this.iterations = macData[2].getInteger(); | |
| 80 | + } else { | |
| 81 | + this.iterations = 1; | |
| 82 | + } | |
| 83 | + } | |
| 84 | + | |
| 85 | + MacData(String algName, byte[] digest, byte[] salt, int iterations) | |
| 86 | + throws NoSuchAlgorithmException | |
| 87 | + { | |
| 88 | + if (algName == null) | |
| 89 | + throw new NullPointerException("the algName parameter " + | |
| 90 | + "must be non-null"); | |
| 91 | + | |
| 92 | + AlgorithmId algid = AlgorithmId.get(algName); | |
| 93 | + this.digestAlgorithmName = algid.getName(); | |
| 94 | + this.digestAlgorithmParams = algid.getParameters(); | |
| 95 | + | |
| 96 | + if (digest == null) { | |
| 97 | + throw new NullPointerException("the digest " + | |
| 98 | + "parameter must be non-null"); | |
| 99 | + } else if (digest.length == 0) { | |
| 100 | + throw new IllegalArgumentException("the digest " + | |
| 101 | + "parameter must not be empty"); | |
| 102 | + } else { | |
| 103 | + this.digest = digest.clone(); | |
| 104 | + } | |
| 105 | + | |
| 106 | + this.macSalt = salt; | |
| 107 | + this.iterations = iterations; | |
| 108 | + | |
| 109 | + // delay the generation of ASN.1 encoding until | |
| 110 | + // getEncoded() is called | |
| 111 | + this.encoded = null; | |
| 112 | + | |
| 113 | + } | |
| 114 | + | |
| 115 | + MacData(AlgorithmParameters algParams, byte[] digest, | |
| 116 | + byte[] salt, int iterations) throws NoSuchAlgorithmException | |
| 117 | + { | |
| 118 | + if (algParams == null) | |
| 119 | + throw new NullPointerException("the algParams parameter " + | |
| 120 | + "must be non-null"); | |
| 121 | + | |
| 122 | + AlgorithmId algid = AlgorithmId.get(algParams); | |
| 123 | + this.digestAlgorithmName = algid.getName(); | |
| 124 | + this.digestAlgorithmParams = algid.getParameters(); | |
| 125 | + | |
| 126 | + if (digest == null) { | |
| 127 | + throw new NullPointerException("the digest " + | |
| 128 | + "parameter must be non-null"); | |
| 129 | + } else if (digest.length == 0) { | |
| 130 | + throw new IllegalArgumentException("the digest " + | |
| 131 | + "parameter must not be empty"); | |
| 132 | + } else { | |
| 133 | + this.digest = digest.clone(); | |
| 134 | + } | |
| 135 | + | |
| 136 | + this.macSalt = salt; | |
| 137 | + this.iterations = iterations; | |
| 138 | + | |
| 139 | + // delay the generation of ASN.1 encoding until | |
| 140 | + // getEncoded() is called | |
| 141 | + this.encoded = null; | |
| 142 | + | |
| 143 | + } | |
| 144 | + | |
| 145 | + String getDigestAlgName() { | |
| 146 | + return digestAlgorithmName; | |
| 147 | + } | |
| 148 | + | |
| 149 | + byte[] getSalt() { | |
| 150 | + return macSalt; | |
| 151 | + } | |
| 152 | + | |
| 153 | + int getIterations() { | |
| 154 | + return iterations; | |
| 155 | + } | |
| 156 | + | |
| 157 | + byte[] getDigest() { | |
| 158 | + return digest; | |
| 159 | + } | |
| 160 | + | |
| 161 | + /** | |
| 162 | + * Returns the ASN.1 encoding of this object. | |
| 163 | + * @return the ASN.1 encoding. | |
| 164 | + * @exception IOException if error occurs when constructing its | |
| 165 | + * ASN.1 encoding. | |
| 166 | + */ | |
| 167 | + public byte[] getEncoded() throws NoSuchAlgorithmException, IOException | |
| 168 | + { | |
| 169 | + if (this.encoded != null) | |
| 170 | + return this.encoded.clone(); | |
| 171 | + | |
| 172 | + DerOutputStream out = new DerOutputStream(); | |
| 173 | + DerOutputStream tmp = new DerOutputStream(); | |
| 174 | + | |
| 175 | + DerOutputStream tmp2 = new DerOutputStream(); | |
| 176 | + // encode encryption algorithm | |
| 177 | + AlgorithmId algid = AlgorithmId.get(digestAlgorithmName); | |
| 178 | + algid.encode(tmp2); | |
| 179 | + | |
| 180 | + // encode digest data | |
| 181 | + tmp2.putOctetString(digest); | |
| 182 | + | |
| 183 | + tmp.write(DerValue.tag_Sequence, tmp2); | |
| 184 | + | |
| 185 | + // encode salt | |
| 186 | + tmp.putOctetString(macSalt); | |
| 187 | + | |
| 188 | + // encode iterations | |
| 189 | + tmp.putInteger(iterations); | |
| 190 | + | |
| 191 | + // wrap everything into a SEQUENCE | |
| 192 | + out.write(DerValue.tag_Sequence, tmp); | |
| 193 | + this.encoded = out.toByteArray(); | |
| 194 | + | |
| 195 | + return this.encoded.clone(); | |
| 196 | + } | |
| 197 | + | |
| 198 | +} | |