author | xuelei |
Tue, 12 Feb 2019 13:36:15 -0800 | |
changeset 53734 | cb1642ccc732 |
parent 53064 | 103ed9569fc8 |
permissions | -rw-r--r-- |
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/* |
53734
cb1642ccc732
8217835: Remove the experimental SunJSSE FIPS compliant mode
xuelei
parents:
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diff
changeset
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* Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package sun.security.ssl; |
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import java.io.IOException; |
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import java.math.BigInteger; |
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import java.nio.ByteBuffer; |
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import java.security.CryptoPrimitive; |
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import java.security.GeneralSecurityException; |
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import java.security.InvalidKeyException; |
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import java.security.KeyFactory; |
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import java.security.NoSuchAlgorithmException; |
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import java.security.Signature; |
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import java.security.SignatureException; |
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import java.security.interfaces.RSAPublicKey; |
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import java.security.spec.RSAPublicKeySpec; |
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import java.text.MessageFormat; |
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import java.util.EnumSet; |
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import java.util.Locale; |
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import sun.security.ssl.RSAKeyExchange.EphemeralRSACredentials; |
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import sun.security.ssl.RSAKeyExchange.EphemeralRSAPossession; |
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import sun.security.ssl.SSLHandshake.HandshakeMessage; |
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import sun.security.ssl.X509Authentication.X509Credentials; |
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import sun.security.ssl.X509Authentication.X509Possession; |
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import sun.security.util.HexDumpEncoder; |
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/** |
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* Pack of the ServerKeyExchange handshake message. |
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*/ |
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final class RSAServerKeyExchange { |
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static final SSLConsumer rsaHandshakeConsumer = |
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new RSAServerKeyExchangeConsumer(); |
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static final HandshakeProducer rsaHandshakeProducer = |
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new RSAServerKeyExchangeProducer(); |
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/** |
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* The ephemeral RSA ServerKeyExchange handshake message. |
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* |
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* Used for RSA_EXPORT, SSL 3.0 and TLS 1.0 only. |
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*/ |
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private static final |
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class RSAServerKeyExchangeMessage extends HandshakeMessage { |
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// public key encapsulated in this message |
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private final byte[] modulus; // 1 to 2^16 - 1 bytes |
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private final byte[] exponent; // 1 to 2^16 - 1 bytes |
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// signature bytes, none-null as no anonymous RSA key exchange. |
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private final byte[] paramsSignature; |
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private RSAServerKeyExchangeMessage(HandshakeContext handshakeContext, |
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X509Possession x509Possession, |
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EphemeralRSAPossession rsaPossession) throws IOException { |
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super(handshakeContext); |
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// This happens in server side only. |
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ServerHandshakeContext shc = |
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(ServerHandshakeContext)handshakeContext; |
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RSAPublicKey publicKey = rsaPossession.popPublicKey; |
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RSAPublicKeySpec spec = JsseJce.getRSAPublicKeySpec(publicKey); |
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this.modulus = Utilities.toByteArray(spec.getModulus()); |
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this.exponent = Utilities.toByteArray(spec.getPublicExponent()); |
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byte[] signature = null; |
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try { |
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Signature signer = RSASignature.getInstance(); |
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signer.initSign(x509Possession.popPrivateKey, |
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shc.sslContext.getSecureRandom()); |
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updateSignature(signer, |
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shc.clientHelloRandom.randomBytes, |
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shc.serverHelloRandom.randomBytes); |
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signature = signer.sign(); |
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} catch (NoSuchAlgorithmException | |
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InvalidKeyException | SignatureException ex) { |
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throw shc.conContext.fatal(Alert.INTERNAL_ERROR, |
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"Failed to sign ephemeral RSA parameters", ex); |
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} |
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this.paramsSignature = signature; |
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} |
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RSAServerKeyExchangeMessage(HandshakeContext handshakeContext, |
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ByteBuffer m) throws IOException { |
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super(handshakeContext); |
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// This happens in client side only. |
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ClientHandshakeContext chc = |
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(ClientHandshakeContext)handshakeContext; |
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this.modulus = Record.getBytes16(m); |
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this.exponent = Record.getBytes16(m); |
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this.paramsSignature = Record.getBytes16(m); |
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X509Credentials x509Credentials = null; |
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for (SSLCredentials cd : chc.handshakeCredentials) { |
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if (cd instanceof X509Credentials) { |
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x509Credentials = (X509Credentials)cd; |
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break; |
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} |
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} |
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if (x509Credentials == null) { |
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103ed9569fc8
8215443: The use of TransportContext.fatal() leads to bad coding style
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throw chc.conContext.fatal(Alert.ILLEGAL_PARAMETER, |
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"No RSA credentials negotiated for server key exchange"); |
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} |
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try { |
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Signature signer = RSASignature.getInstance(); |
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signer.initVerify(x509Credentials.popPublicKey); |
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updateSignature(signer, |
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chc.clientHelloRandom.randomBytes, |
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chc.serverHelloRandom.randomBytes); |
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if (!signer.verify(paramsSignature)) { |
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103ed9569fc8
8215443: The use of TransportContext.fatal() leads to bad coding style
xuelei
parents:
50768
diff
changeset
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throw chc.conContext.fatal(Alert.HANDSHAKE_FAILURE, |
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"Invalid signature of RSA ServerKeyExchange message"); |
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} |
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} catch (NoSuchAlgorithmException | |
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InvalidKeyException | SignatureException ex) { |
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53064
103ed9569fc8
8215443: The use of TransportContext.fatal() leads to bad coding style
xuelei
parents:
50768
diff
changeset
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throw chc.conContext.fatal(Alert.INTERNAL_ERROR, |
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"Failed to sign ephemeral RSA parameters", ex); |
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} |
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} |
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@Override |
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SSLHandshake handshakeType() { |
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return SSLHandshake.SERVER_KEY_EXCHANGE; |
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} |
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@Override |
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int messageLength() { |
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return 6 + modulus.length + exponent.length |
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+ paramsSignature.length; |
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} |
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@Override |
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void send(HandshakeOutStream hos) throws IOException { |
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hos.putBytes16(modulus); |
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hos.putBytes16(exponent); |
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hos.putBytes16(paramsSignature); |
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} |
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@Override |
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public String toString() { |
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MessageFormat messageFormat = new MessageFormat( |
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"\"RSA ServerKeyExchange\": '{'\n" + |
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" \"parameters\": '{'\n" + |
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" \"rsa_modulus\": '{'\n" + |
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"{0}\n" + |
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" '}',\n" + |
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" \"rsa_exponent\": '{'\n" + |
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"{1}\n" + |
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" '}'\n" + |
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" '}',\n" + |
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" \"digital signature\": '{'\n" + |
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" \"signature\": '{'\n" + |
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"{2}\n" + |
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" '}',\n" + |
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" '}'\n" + |
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"'}'", |
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Locale.ENGLISH); |
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HexDumpEncoder hexEncoder = new HexDumpEncoder(); |
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Object[] messageFields = { |
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Utilities.indent( |
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hexEncoder.encodeBuffer(modulus), " "), |
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Utilities.indent( |
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hexEncoder.encodeBuffer(exponent), " "), |
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Utilities.indent( |
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hexEncoder.encodeBuffer(paramsSignature), " ") |
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}; |
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return messageFormat.format(messageFields); |
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} |
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/* |
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* Hash the nonces and the ephemeral RSA public key. |
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*/ |
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private void updateSignature(Signature signature, |
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byte[] clntNonce, byte[] svrNonce) throws SignatureException { |
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signature.update(clntNonce); |
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signature.update(svrNonce); |
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signature.update((byte)(modulus.length >> 8)); |
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signature.update((byte)(modulus.length & 0x0ff)); |
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signature.update(modulus); |
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signature.update((byte)(exponent.length >> 8)); |
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signature.update((byte)(exponent.length & 0x0ff)); |
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signature.update(exponent); |
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} |
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} |
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/** |
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* The RSA "ServerKeyExchange" handshake message producer. |
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*/ |
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private static final |
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class RSAServerKeyExchangeProducer implements HandshakeProducer { |
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// Prevent instantiation of this class. |
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private RSAServerKeyExchangeProducer() { |
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// blank |
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} |
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@Override |
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public byte[] produce(ConnectionContext context, |
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HandshakeMessage message) throws IOException { |
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// The producing happens in server side only. |
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ServerHandshakeContext shc = (ServerHandshakeContext)context; |
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EphemeralRSAPossession rsaPossession = null; |
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X509Possession x509Possession = null; |
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for (SSLPossession possession : shc.handshakePossessions) { |
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if (possession instanceof EphemeralRSAPossession) { |
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rsaPossession = (EphemeralRSAPossession)possession; |
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if (x509Possession != null) { |
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break; |
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} |
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} else if (possession instanceof X509Possession) { |
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x509Possession = (X509Possession)possession; |
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if (rsaPossession != null) { |
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break; |
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} |
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} |
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} |
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if (rsaPossession == null) { |
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// The X.509 certificate itself should be used for RSA_EXPORT |
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// key exchange. The ServerKeyExchange handshake message is |
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// not needed. |
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return null; |
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} else if (x509Possession == null) { |
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// unlikely |
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53064
103ed9569fc8
8215443: The use of TransportContext.fatal() leads to bad coding style
xuelei
parents:
50768
diff
changeset
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throw shc.conContext.fatal(Alert.ILLEGAL_PARAMETER, |
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"No RSA certificate negotiated for server key exchange"); |
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} else if (!"RSA".equals( |
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x509Possession.popPrivateKey.getAlgorithm())) { |
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// unlikely |
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53064
103ed9569fc8
8215443: The use of TransportContext.fatal() leads to bad coding style
xuelei
parents:
50768
diff
changeset
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throw shc.conContext.fatal(Alert.ILLEGAL_PARAMETER, |
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"No X.509 possession can be used for " + |
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"ephemeral RSA ServerKeyExchange"); |
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} |
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RSAServerKeyExchangeMessage skem = |
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new RSAServerKeyExchangeMessage( |
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shc, x509Possession, rsaPossession); |
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if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) { |
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SSLLogger.fine( |
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"Produced RSA ServerKeyExchange handshake message", skem); |
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} |
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// Output the handshake message. |
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skem.write(shc.handshakeOutput); |
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shc.handshakeOutput.flush(); |
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// The handshake message has been delivered. |
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return null; |
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} |
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} |
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/** |
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* The RSA "ServerKeyExchange" handshake message consumer. |
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*/ |
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private static final |
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class RSAServerKeyExchangeConsumer implements SSLConsumer { |
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// Prevent instantiation of this class. |
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private RSAServerKeyExchangeConsumer() { |
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// blank |
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} |
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@Override |
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public void consume(ConnectionContext context, |
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ByteBuffer message) throws IOException { |
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// The consuming happens in client side only. |
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ClientHandshakeContext chc = (ClientHandshakeContext)context; |
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RSAServerKeyExchangeMessage skem = |
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new RSAServerKeyExchangeMessage(chc, message); |
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if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) { |
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SSLLogger.fine( |
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"Consuming RSA ServerKeyExchange handshake message", skem); |
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} |
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// |
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// validate |
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// |
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// check constraints of RSA PublicKey |
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RSAPublicKey publicKey; |
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try { |
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53734
cb1642ccc732
8217835: Remove the experimental SunJSSE FIPS compliant mode
xuelei
parents:
53064
diff
changeset
|
309 |
KeyFactory kf = KeyFactory.getInstance("RSA"); |
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RSAPublicKeySpec spec = new RSAPublicKeySpec( |
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new BigInteger(1, skem.modulus), |
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new BigInteger(1, skem.exponent)); |
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publicKey = (RSAPublicKey)kf.generatePublic(spec); |
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} catch (GeneralSecurityException gse) { |
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53064
103ed9569fc8
8215443: The use of TransportContext.fatal() leads to bad coding style
xuelei
parents:
50768
diff
changeset
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throw chc.conContext.fatal(Alert.INSUFFICIENT_SECURITY, |
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"Could not generate RSAPublicKey", gse); |
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} |
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if (!chc.algorithmConstraints.permits( |
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EnumSet.of(CryptoPrimitive.KEY_AGREEMENT), publicKey)) { |
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53064
103ed9569fc8
8215443: The use of TransportContext.fatal() leads to bad coding style
xuelei
parents:
50768
diff
changeset
|
321 |
throw chc.conContext.fatal(Alert.INSUFFICIENT_SECURITY, |
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"RSA ServerKeyExchange does not comply to " + |
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"algorithm constraints"); |
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} |
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// |
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// update |
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// |
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53064
103ed9569fc8
8215443: The use of TransportContext.fatal() leads to bad coding style
xuelei
parents:
50768
diff
changeset
|
329 |
chc.handshakeCredentials.add( |
103ed9569fc8
8215443: The use of TransportContext.fatal() leads to bad coding style
xuelei
parents:
50768
diff
changeset
|
330 |
new EphemeralRSACredentials(publicKey)); |
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// |
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// produce |
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// |
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// Need no new handshake message producers here. |
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} |
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} |
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} |
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