mirror of
https://github.com/openjdk/jdk.git
synced 2026-05-12 14:39:49 +00:00
311 lines
12 KiB
Java
311 lines
12 KiB
Java
/*
|
|
* Copyright (c) 2006, 2011, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation. Oracle designates this
|
|
* particular file as subject to the "Classpath" exception as provided
|
|
* by Oracle in the LICENSE file that accompanied this code.
|
|
*
|
|
* This code 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
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
package sun.security.pkcs11;
|
|
|
|
import java.io.IOException;
|
|
import java.math.BigInteger;
|
|
|
|
import java.security.*;
|
|
import java.security.interfaces.*;
|
|
import java.security.spec.*;
|
|
|
|
import sun.security.ec.ECPublicKeyImpl;
|
|
import sun.security.ec.ECParameters;
|
|
import sun.security.ec.NamedCurve;
|
|
|
|
import static sun.security.pkcs11.TemplateManager.*;
|
|
import sun.security.pkcs11.wrapper.*;
|
|
import static sun.security.pkcs11.wrapper.PKCS11Constants.*;
|
|
|
|
import sun.security.util.DerValue;
|
|
|
|
/**
|
|
* EC KeyFactory implemenation.
|
|
*
|
|
* @author Andreas Sterbenz
|
|
* @since 1.6
|
|
*/
|
|
final class P11ECKeyFactory extends P11KeyFactory {
|
|
|
|
P11ECKeyFactory(Token token, String algorithm) {
|
|
super(token, algorithm);
|
|
}
|
|
|
|
static ECParameterSpec getECParameterSpec(String name) {
|
|
return NamedCurve.getECParameterSpec(name);
|
|
}
|
|
|
|
static ECParameterSpec getECParameterSpec(int keySize) {
|
|
return NamedCurve.getECParameterSpec(keySize);
|
|
}
|
|
|
|
// Check that spec is a known supported curve and convert it to our
|
|
// ECParameterSpec subclass. If not possible, return null.
|
|
static ECParameterSpec getECParameterSpec(ECParameterSpec spec) {
|
|
return ECParameters.getNamedCurve(spec);
|
|
}
|
|
|
|
static ECParameterSpec decodeParameters(byte[] params) throws IOException {
|
|
return ECParameters.decodeParameters(params);
|
|
}
|
|
|
|
static byte[] encodeParameters(ECParameterSpec params) {
|
|
return ECParameters.encodeParameters(params);
|
|
}
|
|
|
|
static ECPoint decodePoint(byte[] encoded, EllipticCurve curve) throws IOException {
|
|
return ECParameters.decodePoint(encoded, curve);
|
|
}
|
|
|
|
// Used by ECDH KeyAgreement
|
|
static byte[] getEncodedPublicValue(PublicKey key) throws InvalidKeyException {
|
|
if (key instanceof ECPublicKeyImpl) {
|
|
return ((ECPublicKeyImpl)key).getEncodedPublicValue();
|
|
} else if (key instanceof ECPublicKey) {
|
|
ECPublicKey ecKey = (ECPublicKey)key;
|
|
ECPoint w = ecKey.getW();
|
|
ECParameterSpec params = ecKey.getParams();
|
|
return ECParameters.encodePoint(w, params.getCurve());
|
|
} else {
|
|
// should never occur
|
|
throw new InvalidKeyException
|
|
("Key class not yet supported: " + key.getClass().getName());
|
|
}
|
|
}
|
|
|
|
PublicKey implTranslatePublicKey(PublicKey key) throws InvalidKeyException {
|
|
try {
|
|
if (key instanceof ECPublicKey) {
|
|
ECPublicKey ecKey = (ECPublicKey)key;
|
|
return generatePublic(
|
|
ecKey.getW(),
|
|
ecKey.getParams()
|
|
);
|
|
} else if ("X.509".equals(key.getFormat())) {
|
|
// let Sun provider parse for us, then recurse
|
|
byte[] encoded = key.getEncoded();
|
|
key = new sun.security.ec.ECPublicKeyImpl(encoded);
|
|
return implTranslatePublicKey(key);
|
|
} else {
|
|
throw new InvalidKeyException("PublicKey must be instance "
|
|
+ "of ECPublicKey or have X.509 encoding");
|
|
}
|
|
} catch (PKCS11Exception e) {
|
|
throw new InvalidKeyException("Could not create EC public key", e);
|
|
}
|
|
}
|
|
|
|
PrivateKey implTranslatePrivateKey(PrivateKey key)
|
|
throws InvalidKeyException {
|
|
try {
|
|
if (key instanceof ECPrivateKey) {
|
|
ECPrivateKey ecKey = (ECPrivateKey)key;
|
|
return generatePrivate(
|
|
ecKey.getS(),
|
|
ecKey.getParams()
|
|
);
|
|
} else if ("PKCS#8".equals(key.getFormat())) {
|
|
// let Sun provider parse for us, then recurse
|
|
byte[] encoded = key.getEncoded();
|
|
key = new sun.security.ec.ECPrivateKeyImpl(encoded);
|
|
return implTranslatePrivateKey(key);
|
|
} else {
|
|
throw new InvalidKeyException("PrivateKey must be instance "
|
|
+ "of ECPrivateKey or have PKCS#8 encoding");
|
|
}
|
|
} catch (PKCS11Exception e) {
|
|
throw new InvalidKeyException("Could not create EC private key", e);
|
|
}
|
|
}
|
|
|
|
// see JCA spec
|
|
protected PublicKey engineGeneratePublic(KeySpec keySpec)
|
|
throws InvalidKeySpecException {
|
|
token.ensureValid();
|
|
if (keySpec instanceof X509EncodedKeySpec) {
|
|
try {
|
|
byte[] encoded = ((X509EncodedKeySpec)keySpec).getEncoded();
|
|
PublicKey key = new sun.security.ec.ECPublicKeyImpl(encoded);
|
|
return implTranslatePublicKey(key);
|
|
} catch (InvalidKeyException e) {
|
|
throw new InvalidKeySpecException
|
|
("Could not create EC public key", e);
|
|
}
|
|
}
|
|
if (keySpec instanceof ECPublicKeySpec == false) {
|
|
throw new InvalidKeySpecException("Only ECPublicKeySpec and "
|
|
+ "X509EncodedKeySpec supported for EC public keys");
|
|
}
|
|
try {
|
|
ECPublicKeySpec ec = (ECPublicKeySpec)keySpec;
|
|
return generatePublic(
|
|
ec.getW(),
|
|
ec.getParams()
|
|
);
|
|
} catch (PKCS11Exception e) {
|
|
throw new InvalidKeySpecException
|
|
("Could not create EC public key", e);
|
|
}
|
|
}
|
|
|
|
// see JCA spec
|
|
protected PrivateKey engineGeneratePrivate(KeySpec keySpec)
|
|
throws InvalidKeySpecException {
|
|
token.ensureValid();
|
|
if (keySpec instanceof PKCS8EncodedKeySpec) {
|
|
try {
|
|
byte[] encoded = ((PKCS8EncodedKeySpec)keySpec).getEncoded();
|
|
PrivateKey key = new sun.security.ec.ECPrivateKeyImpl(encoded);
|
|
return implTranslatePrivateKey(key);
|
|
} catch (GeneralSecurityException e) {
|
|
throw new InvalidKeySpecException
|
|
("Could not create EC private key", e);
|
|
}
|
|
}
|
|
if (keySpec instanceof ECPrivateKeySpec == false) {
|
|
throw new InvalidKeySpecException("Only ECPrivateKeySpec and "
|
|
+ "PKCS8EncodedKeySpec supported for EC private keys");
|
|
}
|
|
try {
|
|
ECPrivateKeySpec ec = (ECPrivateKeySpec)keySpec;
|
|
return generatePrivate(
|
|
ec.getS(),
|
|
ec.getParams()
|
|
);
|
|
} catch (PKCS11Exception e) {
|
|
throw new InvalidKeySpecException
|
|
("Could not create EC private key", e);
|
|
}
|
|
}
|
|
|
|
private PublicKey generatePublic(ECPoint point, ECParameterSpec params) throws PKCS11Exception {
|
|
byte[] encodedParams = ECParameters.encodeParameters(params);
|
|
byte[] encodedPoint =
|
|
ECParameters.encodePoint(point, params.getCurve());
|
|
|
|
// Check whether the X9.63 encoding of an EC point shall be wrapped
|
|
// in an ASN.1 OCTET STRING
|
|
if (!token.config.getUseEcX963Encoding()) {
|
|
try {
|
|
encodedPoint =
|
|
new DerValue(DerValue.tag_OctetString, encodedPoint)
|
|
.toByteArray();
|
|
} catch (IOException e) {
|
|
throw new
|
|
IllegalArgumentException("Could not DER encode point", e);
|
|
}
|
|
}
|
|
|
|
CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] {
|
|
new CK_ATTRIBUTE(CKA_CLASS, CKO_PUBLIC_KEY),
|
|
new CK_ATTRIBUTE(CKA_KEY_TYPE, CKK_EC),
|
|
new CK_ATTRIBUTE(CKA_EC_POINT, encodedPoint),
|
|
new CK_ATTRIBUTE(CKA_EC_PARAMS, encodedParams),
|
|
};
|
|
attributes = token.getAttributes
|
|
(O_IMPORT, CKO_PUBLIC_KEY, CKK_EC, attributes);
|
|
Session session = null;
|
|
try {
|
|
session = token.getObjSession();
|
|
long keyID = token.p11.C_CreateObject(session.id(), attributes);
|
|
return P11Key.publicKey
|
|
(session, keyID, "EC", params.getCurve().getField().getFieldSize(), attributes);
|
|
} finally {
|
|
token.releaseSession(session);
|
|
}
|
|
}
|
|
|
|
private PrivateKey generatePrivate(BigInteger s, ECParameterSpec params) throws PKCS11Exception {
|
|
byte[] encodedParams = ECParameters.encodeParameters(params);
|
|
CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] {
|
|
new CK_ATTRIBUTE(CKA_CLASS, CKO_PRIVATE_KEY),
|
|
new CK_ATTRIBUTE(CKA_KEY_TYPE, CKK_EC),
|
|
new CK_ATTRIBUTE(CKA_VALUE, s),
|
|
new CK_ATTRIBUTE(CKA_EC_PARAMS, encodedParams),
|
|
};
|
|
attributes = token.getAttributes
|
|
(O_IMPORT, CKO_PRIVATE_KEY, CKK_EC, attributes);
|
|
Session session = null;
|
|
try {
|
|
session = token.getObjSession();
|
|
long keyID = token.p11.C_CreateObject(session.id(), attributes);
|
|
return P11Key.privateKey
|
|
(session, keyID, "EC", params.getCurve().getField().getFieldSize(), attributes);
|
|
} finally {
|
|
token.releaseSession(session);
|
|
}
|
|
}
|
|
|
|
<T extends KeySpec> T implGetPublicKeySpec(P11Key key, Class<T> keySpec,
|
|
Session[] session) throws PKCS11Exception, InvalidKeySpecException {
|
|
if (ECPublicKeySpec.class.isAssignableFrom(keySpec)) {
|
|
session[0] = token.getObjSession();
|
|
CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] {
|
|
new CK_ATTRIBUTE(CKA_EC_POINT),
|
|
new CK_ATTRIBUTE(CKA_EC_PARAMS),
|
|
};
|
|
token.p11.C_GetAttributeValue(session[0].id(), key.keyID, attributes);
|
|
try {
|
|
ECParameterSpec params = decodeParameters(attributes[1].getByteArray());
|
|
ECPoint point = decodePoint(attributes[0].getByteArray(), params.getCurve());
|
|
return keySpec.cast(new ECPublicKeySpec(point, params));
|
|
} catch (IOException e) {
|
|
throw new InvalidKeySpecException("Could not parse key", e);
|
|
}
|
|
} else { // X.509 handled in superclass
|
|
throw new InvalidKeySpecException("Only ECPublicKeySpec and "
|
|
+ "X509EncodedKeySpec supported for EC public keys");
|
|
}
|
|
}
|
|
|
|
<T extends KeySpec> T implGetPrivateKeySpec(P11Key key, Class<T> keySpec,
|
|
Session[] session) throws PKCS11Exception, InvalidKeySpecException {
|
|
if (ECPrivateKeySpec.class.isAssignableFrom(keySpec)) {
|
|
session[0] = token.getObjSession();
|
|
CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] {
|
|
new CK_ATTRIBUTE(CKA_VALUE),
|
|
new CK_ATTRIBUTE(CKA_EC_PARAMS),
|
|
};
|
|
token.p11.C_GetAttributeValue(session[0].id(), key.keyID, attributes);
|
|
try {
|
|
ECParameterSpec params = decodeParameters(attributes[1].getByteArray());
|
|
return keySpec.cast(
|
|
new ECPrivateKeySpec(attributes[0].getBigInteger(), params));
|
|
} catch (IOException e) {
|
|
throw new InvalidKeySpecException("Could not parse key", e);
|
|
}
|
|
} else { // PKCS#8 handled in superclass
|
|
throw new InvalidKeySpecException("Only ECPrivateKeySpec "
|
|
+ "and PKCS8EncodedKeySpec supported for EC private keys");
|
|
}
|
|
}
|
|
|
|
KeyFactory implGetSoftwareFactory() throws GeneralSecurityException {
|
|
return sun.security.ec.ECKeyFactory.INSTANCE;
|
|
}
|
|
|
|
}
|