| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /** |
| * @author Alexander Y. Kleymenov |
| * @version $Revision$ |
| */ |
| |
| package org.apache.harmony.security.x509; |
| |
| import org.apache.harmony.security.asn1.ASN1BitString; |
| import org.apache.harmony.security.asn1.ASN1Sequence; |
| import org.apache.harmony.security.asn1.ASN1Type; |
| import org.apache.harmony.security.asn1.BerInputStream; |
| import org.apache.harmony.security.asn1.BitString; |
| import org.apache.harmony.security.utils.Array; |
| |
| /** |
| * The class encapsulates the ASN.1 DER encoding/decoding work |
| * with the X.509 certificate. Its ASN notation is as follows |
| * (as specified in RFC 3280 - |
| * Internet X.509 Public Key Infrastructure. |
| * Certificate and Certificate Revocation List (CRL) Profile. |
| * http://www.ietf.org/rfc/rfc3280.txt): |
| * |
| * <pre> |
| * Certificate ::= SEQUENCE { |
| * tbsCertificate TBSCertificate, |
| * signatureAlgorithm AlgorithmIdentifier, |
| * signatureValue BIT STRING |
| * } |
| * </pre> |
| */ |
| public class Certificate { |
| |
| // the value of tbsCertificate field of the structure |
| private final TBSCertificate tbsCertificate; |
| // the value of signatureAlgorithm field of the structure |
| private final AlgorithmIdentifier signatureAlgorithm; |
| // the value of signatureValue field of the structure |
| private final byte[] signatureValue; |
| // the ASN.1 encoded form of Certificate |
| private byte[] encoding; |
| |
| /** |
| * TODO |
| * @param tbsCertificate: TBSCertificate |
| * @param signatureAlgorithm: AlgorithmIdentifier |
| * @param signatureValue: byte[] |
| */ |
| public Certificate(TBSCertificate tbsCertificate, |
| AlgorithmIdentifier signatureAlgorithm, |
| byte[] signatureValue) { |
| this.tbsCertificate = tbsCertificate; |
| this.signatureAlgorithm = signatureAlgorithm; |
| this.signatureValue = new byte[signatureValue.length]; |
| System.arraycopy(signatureValue, 0, this.signatureValue, 0, |
| signatureValue.length); |
| } |
| |
| // |
| // TODO |
| // @param tbsCertificate: TBSCertificate |
| // @param signatureAlgorithm: AlgorithmIdentifier |
| // @param signatureValue: byte[] |
| // @param encoding: byte[] |
| // |
| private Certificate(TBSCertificate tbsCertificate, |
| AlgorithmIdentifier signatureAlgorithm, |
| byte[] signatureValue, byte[] encoding) { |
| this(tbsCertificate, signatureAlgorithm, signatureValue); |
| this.encoding = encoding; |
| } |
| |
| /** |
| * Returns the value of tbsCertificate field of the structure. |
| * @return tbsCertificate |
| */ |
| public TBSCertificate getTbsCertificate() { |
| return tbsCertificate; |
| } |
| |
| /** |
| * Returns the value of signatureAlgorithm field of the structure. |
| * @return signatureAlgorithm |
| */ |
| public AlgorithmIdentifier getSignatureAlgorithm() { |
| return signatureAlgorithm; |
| } |
| |
| /** |
| * Returns the value of signatureValue field of the structure. |
| * @return signatureValue |
| */ |
| public byte[] getSignatureValue() { |
| byte[] result = new byte[signatureValue.length]; |
| System.arraycopy(signatureValue, 0, result, 0, signatureValue.length); |
| return result; |
| } |
| |
| public String toString() { |
| StringBuffer buffer = new StringBuffer(); |
| buffer.append("X.509 Certificate:\n[\n"); |
| tbsCertificate.dumpValue(buffer); |
| buffer.append("\n Algorithm: ["); |
| signatureAlgorithm.dumpValue(buffer); |
| buffer.append(']'); |
| buffer.append("\n Signature Value:\n"); |
| buffer.append(Array.toString(signatureValue, "")); |
| buffer.append(']'); |
| return buffer.toString(); |
| } |
| |
| /** |
| * Returns ASN.1 encoded form of this X.509 TBSCertificate value. |
| * @return a byte array containing ASN.1 encode form. |
| */ |
| public byte[] getEncoded() { |
| if (encoding == null) { |
| encoding = Certificate.ASN1.encode(this); |
| } |
| return encoding; |
| } |
| |
| /** |
| * X.509 Certificate encoder/decoder. |
| */ |
| public static final ASN1Sequence ASN1 = |
| new ASN1Sequence(new ASN1Type[] |
| {TBSCertificate.ASN1, AlgorithmIdentifier.ASN1, ASN1BitString.getInstance()}) { |
| |
| protected Object getDecodedObject(BerInputStream in) { |
| Object[] values = (Object[]) in.content; |
| return new Certificate( |
| (TBSCertificate) values[0], |
| (AlgorithmIdentifier) values[1], |
| ((BitString) values[2]).bytes, // FIXME keep as BitString object |
| in.getEncoded() |
| ); |
| } |
| |
| protected void getValues(Object object, Object[] values) { |
| |
| Certificate cert = (Certificate) object; |
| |
| values[0] = cert.tbsCertificate; |
| values[1] = cert.signatureAlgorithm; |
| values[2] = new BitString(cert.signatureValue, 0); |
| } |
| }; |
| } |
| |