diff -r 046c9ccca33d -r 230afa43a3b5 jdk/src/jdk.crypto.token/share/classes/sun/security/pkcs11/P11Mac.java --- a/jdk/src/jdk.crypto.token/share/classes/sun/security/pkcs11/P11Mac.java Tue Jan 24 11:37:32 2017 +0300 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,269 +0,0 @@ -/* - * Copyright (c) 2003, 2012, 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.util.*; -import java.nio.ByteBuffer; - -import java.security.*; -import java.security.spec.AlgorithmParameterSpec; - -import javax.crypto.MacSpi; - -import sun.nio.ch.DirectBuffer; - -import sun.security.pkcs11.wrapper.*; -import static sun.security.pkcs11.wrapper.PKCS11Constants.*; - -/** - * MAC implementation class. This class currently supports HMAC using - * MD5, SHA-1, SHA-224, SHA-256, SHA-384, and SHA-512 and the SSL3 MAC - * using MD5 and SHA-1. - * - * Note that unlike other classes (e.g. Signature), this does not - * composite various operations if the token only supports part of the - * required functionality. The MAC implementations in SunJCE already - * do exactly that by implementing an MAC on top of MessageDigests. We - * could not do any better than they. - * - * @author Andreas Sterbenz - * @since 1.5 - */ -final class P11Mac extends MacSpi { - - /* unitialized, all fields except session have arbitrary values */ - private final static int S_UNINIT = 1; - - /* session initialized, no data processed yet */ - private final static int S_RESET = 2; - - /* session initialized, data processed */ - private final static int S_UPDATE = 3; - - /* transitional state after doFinal() before we go to S_UNINIT */ - private final static int S_DOFINAL = 4; - - // token instance - private final Token token; - - // algorithm name - private final String algorithm; - - // mechanism id - private final long mechanism; - - // mechanism object - private final CK_MECHANISM ckMechanism; - - // length of the MAC in bytes - private final int macLength; - - // key instance used, if operation active - private P11Key p11Key; - - // associated session, if any - private Session session; - - // state, one of S_* above - private int state; - - // one byte buffer for the update(byte) method, initialized on demand - private byte[] oneByte; - - P11Mac(Token token, String algorithm, long mechanism) - throws PKCS11Exception { - super(); - this.token = token; - this.algorithm = algorithm; - this.mechanism = mechanism; - Long params = null; - switch ((int)mechanism) { - case (int)CKM_MD5_HMAC: - macLength = 16; - break; - case (int)CKM_SHA_1_HMAC: - macLength = 20; - break; - case (int)CKM_SHA224_HMAC: - macLength = 28; - break; - case (int)CKM_SHA256_HMAC: - macLength = 32; - break; - case (int)CKM_SHA384_HMAC: - macLength = 48; - break; - case (int)CKM_SHA512_HMAC: - macLength = 64; - break; - case (int)CKM_SSL3_MD5_MAC: - macLength = 16; - params = Long.valueOf(16); - break; - case (int)CKM_SSL3_SHA1_MAC: - macLength = 20; - params = Long.valueOf(20); - break; - default: - throw new ProviderException("Unknown mechanism: " + mechanism); - } - ckMechanism = new CK_MECHANISM(mechanism, params); - state = S_UNINIT; - initialize(); - } - - private void ensureInitialized() throws PKCS11Exception { - token.ensureValid(); - if (state == S_UNINIT) { - initialize(); - } - } - - private void cancelOperation() { - token.ensureValid(); - if (state == S_UNINIT) { - return; - } - state = S_UNINIT; - if ((session == null) || (token.explicitCancel == false)) { - return; - } - try { - token.p11.C_SignFinal(session.id(), 0); - } catch (PKCS11Exception e) { - throw new ProviderException("Cancel failed", e); - } - } - - private void initialize() throws PKCS11Exception { - if (state == S_RESET) { - return; - } - if (session == null) { - session = token.getOpSession(); - } - if (p11Key != null) { - token.p11.C_SignInit - (session.id(), ckMechanism, p11Key.keyID); - state = S_RESET; - } else { - state = S_UNINIT; - } - } - - // see JCE spec - protected int engineGetMacLength() { - return macLength; - } - - // see JCE spec - protected void engineReset() { - // the framework insists on calling reset() after doFinal(), - // but we prefer to take care of reinitialization ourselves - if (state == S_DOFINAL) { - state = S_UNINIT; - return; - } - cancelOperation(); - try { - initialize(); - } catch (PKCS11Exception e) { - throw new ProviderException("reset() failed, ", e); - } - } - - // see JCE spec - protected void engineInit(Key key, AlgorithmParameterSpec params) - throws InvalidKeyException, InvalidAlgorithmParameterException { - if (params != null) { - throw new InvalidAlgorithmParameterException - ("Parameters not supported"); - } - cancelOperation(); - p11Key = P11SecretKeyFactory.convertKey(token, key, algorithm); - try { - initialize(); - } catch (PKCS11Exception e) { - throw new InvalidKeyException("init() failed", e); - } - } - - // see JCE spec - protected byte[] engineDoFinal() { - try { - ensureInitialized(); - byte[] mac = token.p11.C_SignFinal(session.id(), 0); - state = S_DOFINAL; - return mac; - } catch (PKCS11Exception e) { - throw new ProviderException("doFinal() failed", e); - } finally { - session = token.releaseSession(session); - } - } - - // see JCE spec - protected void engineUpdate(byte input) { - if (oneByte == null) { - oneByte = new byte[1]; - } - oneByte[0] = input; - engineUpdate(oneByte, 0, 1); - } - - // see JCE spec - protected void engineUpdate(byte[] b, int ofs, int len) { - try { - ensureInitialized(); - token.p11.C_SignUpdate(session.id(), 0, b, ofs, len); - state = S_UPDATE; - } catch (PKCS11Exception e) { - throw new ProviderException("update() failed", e); - } - } - - // see JCE spec - protected void engineUpdate(ByteBuffer byteBuffer) { - try { - ensureInitialized(); - int len = byteBuffer.remaining(); - if (len <= 0) { - return; - } - if (byteBuffer instanceof DirectBuffer == false) { - super.engineUpdate(byteBuffer); - return; - } - long addr = ((DirectBuffer)byteBuffer).address(); - int ofs = byteBuffer.position(); - token.p11.C_SignUpdate(session.id(), addr + ofs, null, 0, len); - byteBuffer.position(ofs + len); - state = S_UPDATE; - } catch (PKCS11Exception e) { - throw new ProviderException("update() failed", e); - } - } -}