6c80c45e30
* Imported beans and serialization * Updated IA-64 port * Miscellaneous bug fixes From-SVN: r34028
67 lines
1.3 KiB
Java
67 lines
1.3 KiB
Java
// SimpleSHSStream.java
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/* Copyright (C) 2000 Free Software Foundation
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This file is part of libgcj.
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This software is copyrighted work licensed under the terms of the
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Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
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details. */
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package gnu.gcj.io;
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import java.io.Serializable;
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import java.io.*;
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import java.lang.reflect.*;
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public class SimpleSHSStream extends java.io.DataOutputStream
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{
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int counter;
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final int SHS_BLOCKSIZE = 64;
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final int SHS_DIGESTSIZE = 20;
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byte buf[];
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byte shs_info[];
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native static byte [] shsFinal (byte info[]);
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native static void shsUpdate (byte info[], byte buf[], int count);
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native static byte [] shsInit ();
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private void update (byte b)
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{
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buf [counter++] = b;
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if (counter % SHS_BLOCKSIZE == 0)
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{
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counter = 0;
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shsUpdate (shs_info, buf, SHS_BLOCKSIZE);
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}
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}
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public void write (int b) throws IOException
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{
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update ((byte)b);
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super.write (b);
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}
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public void write (byte[] b, int off, int len) throws IOException
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{
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for (int i = 0; i < len; i++)
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write (b[i+off]);
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}
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public byte[] digest()
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{
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shsUpdate (shs_info, buf, counter);
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return shsFinal (shs_info);
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}
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public SimpleSHSStream (OutputStream out)
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{
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super (out);
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buf = new byte[SHS_BLOCKSIZE];
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shs_info = shsInit ();
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counter = 0;
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}
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}
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