| /** |
| * 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. |
| * |
| */ |
| package org.apache.kerby.kerberos.kerb.preauth.pkinit; |
| |
| import org.apache.kerby.kerberos.kerb.KrbCodec; |
| import org.apache.kerby.kerberos.kerb.KrbException; |
| import org.apache.kerby.kerberos.kerb.type.pa.pkinit.AuthPack; |
| import org.apache.kerby.kerberos.kerb.type.pa.pkinit.KdcDhKeyInfo; |
| import org.apache.kerby.kerberos.kerb.type.pa.pkinit.ReplyKeyPack; |
| import org.apache.kerby.pkix.PkiException; |
| import org.apache.kerby.pkix.PkiUtil; |
| |
| import java.security.PrivateKey; |
| import java.security.cert.X509Certificate; |
| |
| |
| /** |
| * Encapsulates working with PKINIT signed data structures. |
| */ |
| public class PkinitUtil { |
| private static final String ID_PKINIT_AUTHDATA = "1.3.6.1.5.2.3.1"; |
| //private static final String ID_PKINIT_DHKEYDATA = "1.3.6.1.5.2.3.2"; |
| //private static final String ID_PKINIT_RKEYDATA = "1.3.6.1.5.2.3.3"; |
| |
| /** |
| * Uses a private key to sign data in a CMS SignedData structure and returns |
| * the encoded CMS SignedData as bytes. |
| * |
| * 'signedAuthPack' contains a CMS type ContentInfo encoded according to [RFC3852]. |
| * The contentType field of the type ContentInfo is id-signedData (1.2.840.113549.1.7.2), |
| * and the content field is a SignedData. |
| * |
| * The eContentType field for the type SignedData is id-pkinit-authData (1.3.6.1.5.2.3.1), |
| * and the eContent field contains the DER encoding of the type AuthPack. |
| * @param privateKey The private key |
| * @param certificate The certificate |
| * @param authPack The auth pack |
| * @throws KrbException e |
| */ |
| public static byte[] getSignedAuthPack(PrivateKey privateKey, X509Certificate certificate, |
| AuthPack authPack) throws KrbException { |
| byte[] dataToSign = KrbCodec.encode(authPack); |
| byte[] signedData; |
| try { |
| signedData = PkiUtil.getSignedData(privateKey, certificate, dataToSign, ID_PKINIT_AUTHDATA); |
| } catch (PkiException e) { |
| throw new KrbException("Failed to sign data", e); |
| } |
| |
| return signedData; |
| } |
| |
| |
| /** |
| * Uses a private key to sign data in a CMS SignedData structure and returns |
| * the encoded CMS SignedData as bytes. |
| * |
| * 'dhSignedData' contains a CMS type ContentInfo encoded according to [RFC3852]. |
| * The contentType field of the type ContentInfo is id-signedData (1.2.840.113549.1.7.2), |
| * and the content field is a SignedData. |
| * |
| * The eContentType field for the type SignedData is id-pkinit-DHKeyData (1.3.6.1.5.2.3.2), |
| * and the eContent field contains the DER encoding of the type KDCDHKeyInfo. |
| * |
| * @param privateKey The private Key |
| * @param certificate The certificate |
| * @param kdcDhKeyInfo The kdc dh key info |
| * @throws KrbException e |
| */ |
| public static byte[] getSignedKdcDhKeyInfo(PrivateKey privateKey, X509Certificate certificate, |
| KdcDhKeyInfo kdcDhKeyInfo) throws KrbException { |
| byte[] dataToSign = KrbCodec.encode(kdcDhKeyInfo); |
| byte[] signedData; |
| try { |
| signedData = PkiUtil.getSignedData(privateKey, certificate, dataToSign, ID_PKINIT_AUTHDATA); |
| } catch (PkiException e) { |
| throw new KrbException("Failed to sign data", e); |
| } |
| |
| return signedData; |
| } |
| |
| |
| /** |
| * Uses a private key to sign data in a CMS SignedData structure and returns |
| * the encoded CMS SignedData as bytes. |
| * |
| * Selected when public key encryption is used. |
| * |
| * The eContentType field for the inner type SignedData (when unencrypted) is |
| * id-pkinit-rkeyData (1.3.6.1.5.2.3.3) and the eContent field contains the |
| * DER encoding of the type ReplyKeyPack. |
| * @param privateKey The private key |
| * @param certificate The certificate |
| * @param replyKeyPack The reply key pack |
| * @throws KrbException e |
| */ |
| public static byte[] getSignedReplyKeyPack(PrivateKey privateKey, X509Certificate certificate, |
| ReplyKeyPack replyKeyPack) throws KrbException { |
| byte[] dataToSign = KrbCodec.encode(replyKeyPack); |
| byte[] signedData; |
| try { |
| signedData = PkiUtil.getSignedData(privateKey, certificate, dataToSign, ID_PKINIT_AUTHDATA); |
| } catch (PkiException e) { |
| throw new KrbException("Failed to sign data", e); |
| } |
| |
| return signedData; |
| } |
| } |