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// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package com.netscape.cmscore.util;
import java.io.ByteArrayOutputStream;
import java.security.MessageDigest;
import java.security.cert.X509Certificate;
import org.mozilla.jss.asn1.ASN1Util;
import org.mozilla.jss.asn1.ASN1Value;
import org.mozilla.jss.asn1.BMPString;
import org.mozilla.jss.asn1.OCTET_STRING;
import org.mozilla.jss.asn1.SEQUENCE;
import org.mozilla.jss.asn1.SET;
import org.mozilla.jss.crypto.PBEAlgorithm;
import org.mozilla.jss.pkcs12.AuthenticatedSafes;
import org.mozilla.jss.pkcs12.CertBag;
import org.mozilla.jss.pkcs12.PFX;
import org.mozilla.jss.pkcs12.PasswordConverter;
import org.mozilla.jss.pkcs12.SafeBag;
import org.mozilla.jss.pkix.primitive.EncryptedPrivateKeyInfo;
import org.mozilla.jss.pkix.primitive.PrivateKeyInfo;
import com.netscape.certsrv.apps.CMS;
import com.netscape.certsrv.base.EBaseException;
public class PFXUtils {
/**
* Creates a PKCS12 package.
*/
public static byte[] createPFX(String pwd, X509Certificate x509cert,
byte privateKeyInfo[]) throws EBaseException {
try {
// add certificate
SEQUENCE encSafeContents = new SEQUENCE();
ASN1Value cert = new OCTET_STRING(
x509cert.getEncoded());
byte localKeyId[] = createLocalKeyId(x509cert);
SET certAttrs = createBagAttrs(
x509cert.getSubjectDN().toString(), localKeyId);
// attributes: user friendly name, Local Key ID
SafeBag certBag = new SafeBag(SafeBag.CERT_BAG,
new CertBag(CertBag.X509_CERT_TYPE, cert),
certAttrs);
encSafeContents.addElement(certBag);
// add key
org.mozilla.jss.util.Password pass = new
org.mozilla.jss.util.Password(
pwd.toCharArray());
SEQUENCE safeContents = new SEQUENCE();
PasswordConverter passConverter = new
PasswordConverter();
// XXX - should generate salt
byte salt[] = {0x01, 0x01, 0x01, 0x01};
PrivateKeyInfo pki = (PrivateKeyInfo)
ASN1Util.decode(PrivateKeyInfo.getTemplate(),
privateKeyInfo);
ASN1Value key = EncryptedPrivateKeyInfo.createPBE(
PBEAlgorithm.PBE_SHA1_DES3_CBC,
pass, salt, 1, passConverter, pki);
SET keyAttrs = createBagAttrs(
x509cert.getSubjectDN().toString(),
localKeyId);
SafeBag keyBag = new SafeBag(
SafeBag.PKCS8_SHROUDED_KEY_BAG, key,
keyAttrs); // ??
safeContents.addElement(keyBag);
// build contents
AuthenticatedSafes authSafes = new
AuthenticatedSafes();
authSafes.addSafeContents(safeContents);
authSafes.addSafeContents(encSafeContents);
// authSafes.addEncryptedSafeContents(
// authSafes.DEFAULT_KEY_GEN_ALG,
// pass, null, 1,
// encSafeContents);
PFX pfx = new PFX(authSafes);
pfx.computeMacData(pass, null, 5); // ??
ByteArrayOutputStream fos = new
ByteArrayOutputStream();
pfx.encode(fos);
pass.clear();
// put final PKCS12 into volatile request
return fos.toByteArray();
} catch (Exception e) {
throw new EBaseException(
CMS.getUserMessage("CMS_BASE_INTERNAL_ERROR",
"Failed to create PKCS12 - " + e.toString()));
}
}
/**
* Creates local key identifier.
*/
public static byte[] createLocalKeyId(X509Certificate cert)
throws EBaseException {
try {
byte certDer[] = cert.getEncoded();
MessageDigest md = MessageDigest.getInstance("SHA");
md.update(certDer);
return md.digest();
} catch (Exception e) {
throw new EBaseException(
CMS.getUserMessage("CMS_BASE_INTERNAL_ERROR",
"Failed to create Key ID - " + e.toString()));
}
}
/**
* Creates bag attributes.
*/
public static SET createBagAttrs(String nickName, byte localKeyId[])
throws EBaseException {
try {
SET attrs = new SET();
SEQUENCE nickNameAttr = new SEQUENCE();
nickNameAttr.addElement(SafeBag.FRIENDLY_NAME);
SET nickNameSet = new SET();
nickNameSet.addElement(new BMPString(nickName));
nickNameAttr.addElement(nickNameSet);
attrs.addElement(nickNameAttr);
SEQUENCE localKeyAttr = new SEQUENCE();
localKeyAttr.addElement(SafeBag.LOCAL_KEY_ID);
SET localKeySet = new SET();
localKeySet.addElement(new OCTET_STRING(localKeyId));
localKeyAttr.addElement(localKeySet);
attrs.addElement(localKeyAttr);
return attrs;
} catch (Exception e) {
throw new EBaseException(
CMS.getUserMessage("CMS_BASE_INTERNAL_ERROR",
"Failed to create Key Bag - " + e.toString()));
}
}
}
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