--- old/src/jdk.crypto.token/share/classes/sun/security/pkcs11/P11ECKeyFactory.java 2017-01-18 23:06:45.451886742 -0800 +++ /dev/null 2017-01-18 09:30:05.425422781 -0800 @@ -1,333 +0,0 @@ -/* - * Copyright (c) 2006, 2013, 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 static sun.security.pkcs11.TemplateManager.*; -import sun.security.pkcs11.wrapper.*; -import static sun.security.pkcs11.wrapper.PKCS11Constants.*; - -import sun.security.util.DerValue; -import sun.security.util.ECUtil; - -/** - * EC KeyFactory implementation. - * - * @author Andreas Sterbenz - * @since 1.6 - */ -final class P11ECKeyFactory extends P11KeyFactory { - private static Provider sunECprovider; - - private static Provider getSunECProvider() { - if (sunECprovider == null) { - sunECprovider = Security.getProvider("SunEC"); - if (sunECprovider == null) { - throw new RuntimeException("Cannot load SunEC provider"); - } - } - - return sunECprovider; - } - - P11ECKeyFactory(Token token, String algorithm) { - super(token, algorithm); - } - - static ECParameterSpec getECParameterSpec(String name) { - return ECUtil.getECParameterSpec(getSunECProvider(), name); - } - - static ECParameterSpec getECParameterSpec(int keySize) { - return ECUtil.getECParameterSpec(getSunECProvider(), 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 ECUtil.getECParameterSpec(getSunECProvider(), spec); - } - - static ECParameterSpec decodeParameters(byte[] params) throws IOException { - return ECUtil.getECParameterSpec(getSunECProvider(), params); - } - - static byte[] encodeParameters(ECParameterSpec params) { - return ECUtil.encodeECParameterSpec(getSunECProvider(), params); - } - - static ECPoint decodePoint(byte[] encoded, EllipticCurve curve) throws IOException { - return ECUtil.decodePoint(encoded, curve); - } - - // Used by ECDH KeyAgreement - static byte[] getEncodedPublicValue(PublicKey key) throws InvalidKeyException { - if (key instanceof ECPublicKey) { - ECPublicKey ecKey = (ECPublicKey)key; - ECPoint w = ecKey.getW(); - ECParameterSpec params = ecKey.getParams(); - return ECUtil.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(); - - try { - key = ECUtil.decodeX509ECPublicKey(encoded); - } catch (InvalidKeySpecException ikse) { - throw new InvalidKeyException(ikse); - } - - 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(); - - try { - key = ECUtil.decodePKCS8ECPrivateKey(encoded); - } catch (InvalidKeySpecException ikse) { - throw new InvalidKeyException(ikse); - } - - 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 = ECUtil.decodeX509ECPublicKey(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 = ECUtil.decodePKCS8ECPrivateKey(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 = - ECUtil.encodeECParameterSpec(getSunECProvider(), params); - byte[] encodedPoint = - ECUtil.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 = - ECUtil.encodeECParameterSpec(getSunECProvider(), 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 implGetPublicKeySpec(P11Key key, Class 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 implGetPrivateKeySpec(P11Key key, Class 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 KeyFactory.getInstance("EC", getSunECProvider()); - } - -}