| /* |
| * Copyright (c) 2003, 2018, 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.math.BigInteger; |
| |
| import java.security.*; |
| import java.security.interfaces.*; |
| import java.security.spec.*; |
| |
| import sun.security.rsa.RSAPublicKeyImpl; |
| import static sun.security.pkcs11.TemplateManager.*; |
| import sun.security.pkcs11.wrapper.*; |
| import static sun.security.pkcs11.wrapper.PKCS11Constants.*; |
| |
| import sun.security.rsa.RSAKeyFactory; |
| |
| /** |
| * RSA KeyFactory implementation. |
| * |
| * @author Andreas Sterbenz |
| * @since 1.5 |
| */ |
| final class P11RSAKeyFactory extends P11KeyFactory { |
| |
| P11RSAKeyFactory(Token token, String algorithm) { |
| super(token, algorithm); |
| } |
| |
| PublicKey implTranslatePublicKey(PublicKey key) throws InvalidKeyException { |
| try { |
| if (key instanceof RSAPublicKey) { |
| RSAPublicKey rsaKey = (RSAPublicKey)key; |
| return generatePublic( |
| rsaKey.getModulus(), |
| rsaKey.getPublicExponent() |
| ); |
| } else if ("X.509".equals(key.getFormat())) { |
| // let SunRsaSign provider parse for us, then recurse |
| byte[] encoded = key.getEncoded(); |
| key = RSAPublicKeyImpl.newKey(encoded); |
| return implTranslatePublicKey(key); |
| } else { |
| throw new InvalidKeyException("PublicKey must be instance " |
| + "of RSAPublicKey or have X.509 encoding"); |
| } |
| } catch (PKCS11Exception e) { |
| throw new InvalidKeyException("Could not create RSA public key", e); |
| } |
| } |
| |
| PrivateKey implTranslatePrivateKey(PrivateKey key) |
| throws InvalidKeyException { |
| try { |
| if (key instanceof RSAPrivateCrtKey) { |
| RSAPrivateCrtKey rsaKey = (RSAPrivateCrtKey)key; |
| return generatePrivate( |
| rsaKey.getModulus(), |
| rsaKey.getPublicExponent(), |
| rsaKey.getPrivateExponent(), |
| rsaKey.getPrimeP(), |
| rsaKey.getPrimeQ(), |
| rsaKey.getPrimeExponentP(), |
| rsaKey.getPrimeExponentQ(), |
| rsaKey.getCrtCoefficient() |
| ); |
| } else if (key instanceof RSAPrivateKey) { |
| RSAPrivateKey rsaKey = (RSAPrivateKey)key; |
| return generatePrivate( |
| rsaKey.getModulus(), |
| rsaKey.getPrivateExponent() |
| ); |
| } else if ("PKCS#8".equals(key.getFormat())) { |
| // let SunRsaSign provider parse for us, then recurse |
| byte[] encoded = key.getEncoded(); |
| key = sun.security.rsa.RSAPrivateCrtKeyImpl.newKey(encoded); |
| return implTranslatePrivateKey(key); |
| } else { |
| throw new InvalidKeyException("Private key must be instance " |
| + "of RSAPrivate(Crt)Key or have PKCS#8 encoding"); |
| } |
| } catch (PKCS11Exception e) { |
| throw new InvalidKeyException("Could not create RSA 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 = RSAPublicKeyImpl.newKey(encoded); |
| return implTranslatePublicKey(key); |
| } catch (InvalidKeyException e) { |
| throw new InvalidKeySpecException |
| ("Could not create RSA public key", e); |
| } |
| } |
| if (keySpec instanceof RSAPublicKeySpec == false) { |
| throw new InvalidKeySpecException("Only RSAPublicKeySpec and " |
| + "X509EncodedKeySpec supported for RSA public keys"); |
| } |
| try { |
| RSAPublicKeySpec rs = (RSAPublicKeySpec)keySpec; |
| return generatePublic( |
| rs.getModulus(), |
| rs.getPublicExponent() |
| ); |
| } catch (PKCS11Exception | InvalidKeyException e) { |
| throw new InvalidKeySpecException |
| ("Could not create RSA 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 = |
| sun.security.rsa.RSAPrivateCrtKeyImpl.newKey(encoded); |
| return implTranslatePrivateKey(key); |
| } catch (GeneralSecurityException e) { |
| throw new InvalidKeySpecException |
| ("Could not create RSA private key", e); |
| } |
| } |
| try { |
| if (keySpec instanceof RSAPrivateCrtKeySpec) { |
| RSAPrivateCrtKeySpec rs = (RSAPrivateCrtKeySpec)keySpec; |
| return generatePrivate( |
| rs.getModulus(), |
| rs.getPublicExponent(), |
| rs.getPrivateExponent(), |
| rs.getPrimeP(), |
| rs.getPrimeQ(), |
| rs.getPrimeExponentP(), |
| rs.getPrimeExponentQ(), |
| rs.getCrtCoefficient() |
| ); |
| } else if (keySpec instanceof RSAPrivateKeySpec) { |
| RSAPrivateKeySpec rs = (RSAPrivateKeySpec)keySpec; |
| return generatePrivate( |
| rs.getModulus(), |
| rs.getPrivateExponent() |
| ); |
| } else { |
| throw new InvalidKeySpecException("Only RSAPrivate(Crt)KeySpec " |
| + "and PKCS8EncodedKeySpec supported for RSA private keys"); |
| } |
| } catch (PKCS11Exception | InvalidKeyException e) { |
| throw new InvalidKeySpecException |
| ("Could not create RSA private key", e); |
| } |
| } |
| |
| private PublicKey generatePublic(BigInteger n, BigInteger e) |
| throws PKCS11Exception, InvalidKeyException { |
| RSAKeyFactory.checkKeyLengths(n.bitLength(), e, -1, 64 * 1024); |
| CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] { |
| new CK_ATTRIBUTE(CKA_CLASS, CKO_PUBLIC_KEY), |
| new CK_ATTRIBUTE(CKA_KEY_TYPE, CKK_RSA), |
| new CK_ATTRIBUTE(CKA_MODULUS, n), |
| new CK_ATTRIBUTE(CKA_PUBLIC_EXPONENT, e), |
| }; |
| attributes = token.getAttributes |
| (O_IMPORT, CKO_PUBLIC_KEY, CKK_RSA, attributes); |
| Session session = null; |
| try { |
| session = token.getObjSession(); |
| long keyID = token.p11.C_CreateObject(session.id(), attributes); |
| return P11Key.publicKey |
| (session, keyID, "RSA", n.bitLength(), attributes); |
| } finally { |
| token.releaseSession(session); |
| } |
| } |
| |
| private PrivateKey generatePrivate(BigInteger n, BigInteger d) |
| throws PKCS11Exception, InvalidKeyException { |
| RSAKeyFactory.checkKeyLengths(n.bitLength(), null, -1, 64 * 1024); |
| CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] { |
| new CK_ATTRIBUTE(CKA_CLASS, CKO_PRIVATE_KEY), |
| new CK_ATTRIBUTE(CKA_KEY_TYPE, CKK_RSA), |
| new CK_ATTRIBUTE(CKA_MODULUS, n), |
| new CK_ATTRIBUTE(CKA_PRIVATE_EXPONENT, d), |
| }; |
| attributes = token.getAttributes |
| (O_IMPORT, CKO_PRIVATE_KEY, CKK_RSA, attributes); |
| Session session = null; |
| try { |
| session = token.getObjSession(); |
| long keyID = token.p11.C_CreateObject(session.id(), attributes); |
| return P11Key.privateKey |
| (session, keyID, "RSA", n.bitLength(), attributes); |
| } finally { |
| token.releaseSession(session); |
| } |
| } |
| |
| private PrivateKey generatePrivate(BigInteger n, BigInteger e, |
| BigInteger d, BigInteger p, BigInteger q, BigInteger pe, |
| BigInteger qe, BigInteger coeff) throws PKCS11Exception, |
| InvalidKeyException { |
| RSAKeyFactory.checkKeyLengths(n.bitLength(), e, -1, 64 * 1024); |
| CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] { |
| new CK_ATTRIBUTE(CKA_CLASS, CKO_PRIVATE_KEY), |
| new CK_ATTRIBUTE(CKA_KEY_TYPE, CKK_RSA), |
| new CK_ATTRIBUTE(CKA_MODULUS, n), |
| new CK_ATTRIBUTE(CKA_PUBLIC_EXPONENT, e), |
| new CK_ATTRIBUTE(CKA_PRIVATE_EXPONENT, d), |
| new CK_ATTRIBUTE(CKA_PRIME_1, p), |
| new CK_ATTRIBUTE(CKA_PRIME_2, q), |
| new CK_ATTRIBUTE(CKA_EXPONENT_1, pe), |
| new CK_ATTRIBUTE(CKA_EXPONENT_2, qe), |
| new CK_ATTRIBUTE(CKA_COEFFICIENT, coeff), |
| }; |
| attributes = token.getAttributes |
| (O_IMPORT, CKO_PRIVATE_KEY, CKK_RSA, attributes); |
| Session session = null; |
| try { |
| session = token.getObjSession(); |
| long keyID = token.p11.C_CreateObject(session.id(), attributes); |
| return P11Key.privateKey |
| (session, keyID, "RSA", n.bitLength(), attributes); |
| } finally { |
| token.releaseSession(session); |
| } |
| } |
| |
| <T extends KeySpec> T implGetPublicKeySpec(P11Key key, Class<T> keySpec, |
| Session[] session) throws PKCS11Exception, InvalidKeySpecException { |
| if (keySpec.isAssignableFrom(RSAPublicKeySpec.class)) { |
| session[0] = token.getObjSession(); |
| CK_ATTRIBUTE[] attributes = new CK_ATTRIBUTE[] { |
| new CK_ATTRIBUTE(CKA_MODULUS), |
| new CK_ATTRIBUTE(CKA_PUBLIC_EXPONENT), |
| }; |
| long keyID = key.getKeyID(); |
| try { |
| token.p11.C_GetAttributeValue(session[0].id(), keyID, attributes); |
| } finally { |
| key.releaseKeyID(); |
| } |
| KeySpec spec = new RSAPublicKeySpec( |
| attributes[0].getBigInteger(), |
| attributes[1].getBigInteger() |
| ); |
| return keySpec.cast(spec); |
| } else { // X.509 handled in superclass |
| throw new InvalidKeySpecException("Only RSAPublicKeySpec and " |
| + "X509EncodedKeySpec supported for RSA public keys"); |
| } |
| } |
| |
| <T extends KeySpec> T implGetPrivateKeySpec(P11Key key, Class<T> keySpec, |
| Session[] session) throws PKCS11Exception, InvalidKeySpecException { |
| if (key.sensitive || !key.extractable) { |
| throw new InvalidKeySpecException("Key is sensitive or not extractable"); |
| } |
| // If the key is both extractable and not sensitive, then when it was converted into a P11Key |
| // it was also converted into subclass of RSAPrivateKey which encapsulates all of the logic |
| // necessary to retrieve the attributes we need. This sub-class will also cache these attributes |
| // so that we do not need to query them more than once. |
| // Rather than rewrite this logic and make possibly slow calls to the token, we'll just use |
| // that existing logic. |
| if (keySpec.isAssignableFrom(RSAPrivateCrtKeySpec.class)) { |
| // All supported keyspecs (other than PKCS8EncodedKeySpec) descend from RSAPrivateCrtKeySpec |
| if (key instanceof RSAPrivateCrtKey) { |
| RSAPrivateCrtKey crtKey = (RSAPrivateCrtKey)key; |
| return keySpec.cast(new RSAPrivateCrtKeySpec( |
| crtKey.getModulus(), |
| crtKey.getPublicExponent(), |
| crtKey.getPrivateExponent(), |
| crtKey.getPrimeP(), |
| crtKey.getPrimeQ(), |
| crtKey.getPrimeExponentP(), |
| crtKey.getPrimeExponentQ(), |
| crtKey.getCrtCoefficient(), |
| crtKey.getParams() |
| )); |
| } else { // RSAPrivateKey (non-CRT) |
| if (!keySpec.isAssignableFrom(RSAPrivateKeySpec.class)) { |
| throw new InvalidKeySpecException |
| ("RSAPrivateCrtKeySpec can only be used with CRT keys"); |
| } |
| |
| if (!(key instanceof RSAPrivateKey)) { |
| // We should never reach here as P11Key.privateKey() should always produce an instance |
| // of RSAPrivateKey when the RSA key is both extractable and non-sensitive. |
| throw new InvalidKeySpecException |
| ("Key must be an instance of RSAPrivateKeySpec. Was " + key.getClass()); |
| } |
| |
| // fall through to RSAPrivateKey (non-CRT) |
| RSAPrivateKey rsaKey = (RSAPrivateKey) key; |
| return keySpec.cast(new RSAPrivateKeySpec( |
| rsaKey.getModulus(), |
| rsaKey.getPrivateExponent(), |
| rsaKey.getParams() |
| )); |
| } |
| } else { // PKCS#8 handled in superclass |
| throw new InvalidKeySpecException("Only RSAPrivate(Crt)KeySpec " |
| + "and PKCS8EncodedKeySpec supported for RSA private keys"); |
| } |
| } |
| |
| KeyFactory implGetSoftwareFactory() throws GeneralSecurityException { |
| return KeyFactory.getInstance("RSA", P11Util.getSunRsaSignProvider()); |
| } |
| |
| } |
