test/sun/security/provider/MessageDigest/Offsets.java

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   1 /*
   2  * Copyright (c) 2006, 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.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */


  63                 random.nextBytes(ofsData);
  64                 System.arraycopy(data, 0, ofsData, ofs, n);
  65                 md.update(ofsData, ofs, n);
  66                 byte[] ofsDigest = md.digest();
  67                 if (digest == null) {
  68                     digest = ofsDigest;
  69                 } else {
  70                     if (Arrays.equals(digest, ofsDigest) == false) {
  71                         throw new Exception("Digest mismatch " + algorithm + ", ofs: " + ofs + ", len: " + n);
  72                     }
  73                 }
  74             }
  75         }
  76         System.out.println();
  77     }
  78 
  79     public static void main(String[] args) throws Exception {
  80         test("MD2", 0, 64, 0, 128);
  81         test("MD5", 0, 64, 0, 128);
  82         test("SHA1", 0, 64, 0, 128);

  83         test("SHA-256", 0, 64, 0, 128);
  84         test("SHA-384", 0, 128, 0, 256);
  85         test("SHA-512", 0, 128, 0, 256);
  86     }
  87 
  88 }
   1 /*
   2  * Copyright (c) 2006, 2012, 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.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */


  63                 random.nextBytes(ofsData);
  64                 System.arraycopy(data, 0, ofsData, ofs, n);
  65                 md.update(ofsData, ofs, n);
  66                 byte[] ofsDigest = md.digest();
  67                 if (digest == null) {
  68                     digest = ofsDigest;
  69                 } else {
  70                     if (Arrays.equals(digest, ofsDigest) == false) {
  71                         throw new Exception("Digest mismatch " + algorithm + ", ofs: " + ofs + ", len: " + n);
  72                     }
  73                 }
  74             }
  75         }
  76         System.out.println();
  77     }
  78 
  79     public static void main(String[] args) throws Exception {
  80         test("MD2", 0, 64, 0, 128);
  81         test("MD5", 0, 64, 0, 128);
  82         test("SHA1", 0, 64, 0, 128);
  83         test("SHA-224", 0, 64, 0, 128);
  84         test("SHA-256", 0, 64, 0, 128);
  85         test("SHA-384", 0, 128, 0, 256);
  86         test("SHA-512", 0, 128, 0, 256);
  87     }
  88 
  89 }