src/java.base/share/classes/sun/security/ssl/DTLSRecord.java

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8167680 DTLS implementation bugs
   1 /*
   2  * Copyright (c) 1996, 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


  67     static final int    maxDataSizeMinusOneByteRecord =
  68                                   maxDataSize       // max data size
  69                                 - (                 // max one byte record size
  70                                       headerPlusMaxIVSize   // header + iv
  71                                     + 1             // one byte data
  72                                     + maxPadding    // padding
  73                                     + maxMacSize    // MAC
  74                                   );
  75 
  76     /*
  77      * Maximum record size for alert and change cipher spec records.
  78      * They only contain 2 and 1 bytes of data, respectively.
  79      * Allocate a smaller array.
  80      */
  81     static final int    maxAlertRecordSize =
  82                                       headerPlusMaxIVSize   // header + iv
  83                                     + 2                     // alert
  84                                     + maxPadding            // padding
  85                                     + maxMacSize;           // MAC
  86 














  87 }
   1 /*
   2  * Copyright (c) 1996, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


  67     static final int    maxDataSizeMinusOneByteRecord =
  68                                   maxDataSize       // max data size
  69                                 - (                 // max one byte record size
  70                                       headerPlusMaxIVSize   // header + iv
  71                                     + 1             // one byte data
  72                                     + maxPadding    // padding
  73                                     + maxMacSize    // MAC
  74                                   );
  75 
  76     /*
  77      * Maximum record size for alert and change cipher spec records.
  78      * They only contain 2 and 1 bytes of data, respectively.
  79      * Allocate a smaller array.
  80      */
  81     static final int    maxAlertRecordSize =
  82                                       headerPlusMaxIVSize   // header + iv
  83                                     + 2                     // alert
  84                                     + maxPadding            // padding
  85                                     + maxMacSize;           // MAC
  86 
  87     /*
  88      * Minimum record size of Certificate handshake message.
  89      * Client sends a certificate message containing no certificates if no
  90      * suitable certificate is available.  That is, the certificate_list
  91      * structure has a length of zero.
  92      *
  93      *   struct {
  94      *       ASN.1Cert certificate_list<0..2^24-1>;
  95      *   } Certificate;
  96      */
  97     static final int    minCertPlaintextSize =
  98                                       headerSize            // record header
  99                                     + handshakeHeaderSize   // handshake header
 100                                     + 3;                    // cert list length
 101 }