1f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* 2f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Licensed to the Apache Software Foundation (ASF) under one or more 3f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * contributor license agreements. See the NOTICE file distributed with 4f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * this work for additional information regarding copyright ownership. 5f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * The ASF licenses this file to You under the Apache License, Version 2.0 6f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * (the "License"); you may not use this file except in compliance with 7f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * the License. You may obtain a copy of the License at 8f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 9f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 10f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 11f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 12f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 13f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * See the License for the specific language governing permissions and 15f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * limitations under the License. 16f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 17f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 18f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 19f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectpackage org.apache.harmony.security.provider.crypto; 20f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 21f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport org.apache.harmony.security.asn1.ASN1Integer; 22f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport org.apache.harmony.security.asn1.ASN1Sequence; 23f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport org.apache.harmony.security.asn1.ASN1Type; 24f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport org.apache.harmony.security.asn1.BerInputStream; 25f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 26f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 27f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/** 28f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * The auxiliary class providing means to process ASN1Sequence of three Integers. 29f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Such sequences are parts of ASN1 encoded formats for DSA private and public keys. 30f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 31f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectclass ThreeIntegerSequence { 32f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 33f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project byte[] p, q, g; 34f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 35f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project private byte[] encoding; 36f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 37f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project ThreeIntegerSequence(byte[] p, byte[] q, byte[] g) { 38f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 39f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project this.p = p; 40f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project this.q = q; 41f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project this.g = g; 42f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project encoding = null; 43f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 44f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 45f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public byte[] getEncoded() { 46f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (encoding == null) { 47f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project encoding = ASN1.encode(this); 48f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 49f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return encoding; 50f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 51f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 52f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public static final ASN1Sequence ASN1 = new ASN1Sequence(new ASN1Type[] { 53f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project ASN1Integer.getInstance(), ASN1Integer.getInstance(), 54f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project ASN1Integer.getInstance() }) { 55f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 56f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project protected Object getDecodedObject(BerInputStream in) { 57f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 58f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project Object[] values = (Object[]) in.content; 59f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 60f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return new ThreeIntegerSequence((byte[]) values[0], 61f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project (byte[]) values[1], (byte[]) values[2]); 62f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 63f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 64f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project protected void getValues(Object object, Object[] values) { 65f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 66f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project ThreeIntegerSequence mySeq = (ThreeIntegerSequence) object; 67f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 68f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project values[0] = mySeq.p; 69f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project values[1] = mySeq.q; 70f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project values[2] = mySeq.g; 71f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 72f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project }; 73f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 74