directory renaming

Signed-off-by: Mattias Andrée <maandree@operamail.com>

1 files changed, 485 insertions, 0 deletions

diff --git a/java/sha3sum.java b/java/sha3sum.java
new file mode 100644
index 0000000..078dd61
--- /dev/null
+++ b/java/sha3sum.java
@@ -0,0 +1,485 @@
+/**
+ * sha3sum – SHA-3 (Keccak) checksum calculator
+ * 
+ * Copyright © 2013  Mattias Andrée (maandree@member.fsf.org)
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program 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 Affero General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import java.io.*;
+import java.util.*;
+
+
+/**
+ * SHA-3/Keccak checksum calculator
+ * 
+ * @author  Mattias Andrée  <a href="mailto:maandree@member.fsf.org">maandree@member.fsf.org</a>
+ */
+public class sha3sum
+{
+    /**
+     * This is the main entry point of the program
+     * 
+     * @param   args         Command line arguments
+     * @throws  IOException  On I/O error (such as broken pipes)
+     */
+    public static void main(String[] args) throws IOException
+    {
+	run("sha3sum", args);
+    }
+    
+    
+    /**
+     * Run the program
+     * 
+     * @param   cmd          The command
+     * @param   argv         Command line arguments
+     * @throws  IOException  On I/O error (such as broken pipes)
+     */
+    public static void run(String cmd, String[] argv) throws IOException
+    {
+	if (cmd.indexOf('/') >= 0)
+	    cmd = cmd.substring(cmd.lastIndexOf('/') + 1);
+	if (cmd.endsWith(".jar"))
+	    cmd = cmd.substring(0, cmd.length() - 4);
+	cmd = cmd.intern();
+	
+	Integer O = null; int _o = 512;             /* --outputsize */
+	if      (cmd == "sha3-224sum")  _o = 224;
+	else if (cmd == "sha3-256sum")  _o = 256;
+	else if (cmd == "sha3-384sum")  _o = 384;
+	else if (cmd == "sha3-512sum")  _o = 512;
+	Integer S = null; int _s = 1600;            /* --statesize  */
+	Integer C = null; int _c = _s - (_o << 1);  /* --capacity   */
+	Integer R = null; int _r = _s - _c;         /* --bitrate    */
+	Integer W = null; int _w = _s / 25;         /* --wordsize   */
+	Integer I = null; int _i = 1;               /* --iterations */
+	Integer J = null; int _j = 1;               /* --squeezes   */
+	int o = 0, s = 0, r = 0, c = 0, w = 0, i = 0, j = 0;
+	
+	boolean binary = false, hex = false;
+	int multi = 0;
+	
+	String[] files = new String[argv.length + 1];
+	int fptr = 0;
+	boolean dashed = false;
+	String[] linger = null;
+	
+	String[] args = new String[argv.length + 1];
+	System.arraycopy(argv, 0, args, 0, argv.length);
+	for (int a = 0, an = args.length; a < an; a++)
+	{   String arg = args[a];
+	    arg = arg == null ? null : arg.intern();
+	    if (linger != null)
+	    {
+		linger[0] = linger[0].intern();
+		if ((linger[0] == "-h") || (linger[0] == "--help"))
+		{
+		    System.out.println("");
+		    System.out.println("SHA-3/Keccak checksum calculator");
+		    System.out.println("");
+		    System.out.println("USAGE:	sha3sum [option...] < file");
+		    System.out.println("	sha3sum [option...] file...");
+		    System.out.println("");
+		    System.out.println("");
+		    System.out.println("OPTIONS:");
+		    System.out.println("        -r BITRATE");
+		    System.out.println("        --bitrate       The bitrate to use for SHA-3.           (default: " + _r + ")");
+		    System.out.println("        ");
+		    System.out.println("        -c CAPACITY");
+		    System.out.println("        --capacity      The capacity to use for SHA-3.          (default: " + _c + ")");
+		    System.out.println("        ");
+		    System.out.println("        -w WORDSIZE");
+		    System.out.println("        --wordsize      The word size to use for SHA-3.         (default: " + _w + ")");
+		    System.out.println("        ");
+		    System.out.println("        -o OUTPUTSIZE");
+		    System.out.println("        --outputsize    The output size to use for SHA-3.       (default: " + _o + ")");
+		    System.out.println("        ");
+		    System.out.println("        -s STATESIZE");
+		    System.out.println("        --statesize     The state size to use for SHA-3.        (default: " + _s + ")");
+		    System.out.println("        ");
+		    System.out.println("        -i ITERATIONS");
+		    System.out.println("        --iterations    The number of hash iterations to run.   (default: " + _i + ")");
+		    System.out.println("        ");
+		    System.out.println("        -j SQUEEZES");
+		    System.out.println("        --squeezes      The number of hash squeezes to run.     (default: " + _j + ")");
+		    System.out.println("        ");
+		    System.out.println("        -h");
+		    System.out.println("        --hex           Read the input in hexadecimal, rather than binary.");
+		    System.out.println("        ");
+		    System.out.println("        -b");
+		    System.out.println("        --binary        Print the checksum in binary, rather than hexadecimal.");
+		    System.out.println("        ");
+		    System.out.println("        -m");
+		    System.out.println("        --multi         Print the chechsum at all iterations.");
+		    System.out.println("");
+		    System.out.println("");
+		    System.out.println("COPYRIGHT:");
+		    System.out.println("");
+		    System.out.println("Copyright © 2013  Mattias Andrée (maandree@member.fsf.org)");
+		    System.out.println("");
+		    System.out.println("This program is free software: you can redistribute it and/or modify");
+		    System.out.println("it under the terms of the GNU Affero General Public License as published by");
+		    System.out.println("the Free Software Foundation, either version 3 of the License, or");
+		    System.out.println("(at your option) any later version.");
+		    System.out.println("");
+		    System.out.println("This program is distributed in the hope that it will be useful,");
+		    System.out.println("but WITHOUT ANY WARRANTY; without even the implied warranty of");
+		    System.out.println("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the");
+		    System.out.println("GNU Affero General Public License for more details.");
+		    System.out.println("");
+		    System.out.println("You should have received a copy of the GNU Affero General Public License");
+		    System.out.println("along with this program.  If not, see <http://www.gnu.org/licenses/>.");
+		    System.out.println("");
+		    System.exit(0);
+		}
+		else
+		{
+		    if (linger[1] == null)
+		    {
+			linger[1] = arg;
+			arg = null;
+		    }
+		    if ((linger[0] == "-r") || (linger[0] == "--bitrate"))
+			R = Integer.valueOf(linger[1]);
+		    else if ((linger[0] == "-c") || (linger[0] == "--capacity"))
+			C = Integer.valueOf(linger[1]);
+		    else if ((linger[0] == "-w") || (linger[0] == "--wordsize"))
+			W = Integer.valueOf(linger[1]);
+		    else if ((linger[0] == "-o") || (linger[0] == "--outputsize"))
+			O = Integer.valueOf(linger[1]);
+		    else if ((linger[0] == "-s") || (linger[0] == "--statesize"))
+			S = Integer.valueOf(linger[1]);
+		    else if ((linger[0] == "-i") || (linger[0] == "--iterations"))
+			I = Integer.valueOf(linger[1]);
+		    else if ((linger[0] == "-j") || (linger[0] == "--squeezes"))
+			J = Integer.valueOf(linger[1]);
+		    else
+		    {
+			System.err.println(cmd + ": unrecognised option: " + linger[0]);
+			System.exit(1);
+		    }
+		}
+		linger = null;
+		if (arg == null)
+		    continue;
+	    }
+	    if (arg == null)
+		continue;
+	    if (dashed)
+		files[fptr++] = arg == "-" ? null : arg;
+	    else if (arg == "--")
+		dashed = true;
+	    else if (arg == "-")
+		files[fptr++] = null;
+	    else if (arg.startsWith("--"))
+		if (arg.indexOf('=') >= 0)
+	            linger = new String[] { arg.substring(0, arg.indexOf('=')), arg.substring(arg.indexOf('=') + 1) };
+		else
+		    if (arg == "--binary")
+	                binary = true;
+		    else if (arg == "--multi")
+	                multi++;
+		    else if (arg == "--hex")
+	                hex = true;
+		    else
+			linger = new String[] { arg, null };
+	    else if (arg.startsWith("-"))
+	    {
+		arg = arg.substring(1);
+                if (arg.charAt(0) == 'b')
+		{
+                    binary = true;
+		    arg = arg.substring(1);
+		}
+                else if (arg.charAt(0) == 'm')
+		{
+                    multi++;
+		    arg = arg.substring(1);
+		}
+                else if (arg.charAt(0) == 'h')
+		{
+                    hex = true;
+		    arg = arg.substring(1);
+		}
+                else if (arg.length() == 1)
+		    linger = new String[] { "-" + arg, null };
+                else
+                    linger = new String[] { "-" + arg.charAt(0), arg.substring(1) };
+	    }
+            else
+                files[fptr++] = arg;
+	}
+	
+	
+	i = I == null ? _i : I.intValue();
+	j = J == null ? _j : J.intValue();
+	
+	if (S != null)
+	{   s = S.intValue();
+	    if ((s <= 0) || (s > 1600) || (s % 25 != 0))
+	    {	System.err.println(cmd + ": the state size must be a positive multiple of 25 and is limited to 1600.");
+		System.exit(6);
+	}   }
+	
+	if (W != null)
+	{   w = W.intValue();
+	    if ((w <= 0) || (w > 64))
+	    {	System.err.println(cmd + ": the word size must be positive and is limited to 64.");
+		System.exit(6);
+	    }
+	    if ((S != null) && (s != w * 25))
+	    {	System.err.println(cmd + ": the state size must be 25 times of the word size.");
+		System.exit(6);
+	    }
+	    else if (S == null)
+		S = new Integer(w * 25);
+	}
+	
+	if (C != null)
+	{   c = C.intValue();
+	    if ((c <= 0) || ((c & 7) != 0))
+	    {	System.err.println(cmd + ": the capacity must be a positive multiple of 8.");
+		System.exit(6);
+	}   }
+	
+	if (R != null)
+	{   r = R.intValue();
+	    if ((r <= 0) || ((r & 7) != 0))
+	    {	System.err.println(cmd + ": the bitrate must be a positive multiple of 8.");
+		System.exit(6);
+	}   }
+	
+	if (O != null)
+	{   o = O.intValue();
+	    if (o <= 0)
+	    {	System.err.println(cmd + ": the output size must be positive.");
+		System.exit(6);
+	}   }
+	
+	
+	if ((R == null) && (C == null) && (O == null)) // s?
+	{   c = -((r = (o = ((((s = S == null ? _s : s) << 5) / 100 + 7) >> 3) << 3) << 1) - s);
+	    o = o < 8 ? 8 : o;
+	}
+	else if ((R == null) && (C == null)) // !o s?
+	{   r = _r;
+	    c = _c;
+	    s = S == null ? (r + c) : s;
+	}
+	else if (R == null) // !c o? s?
+	{   r = (s = S == null ? _s : s) - c;
+	    o = O == null ? (c == 8 ? 8 : (c << 1)) : o;
+	}
+	else if (C == null) // !r o? s?
+	{   c = (s = S == null ? _s : s) - r;
+	    o = O == null ? (c == 8 ? 8 : (c << 1)) : o;
+	}
+	else // !r !c o? s?
+	{   s = S == null ? (r + c) : s;
+	    o = O == null ? (c == 8 ? 8 : (c << 1)) : o;
+	}
+	
+	
+	System.err.println("Bitrate: " + r);
+	System.err.println("Capacity: " + c);
+	System.err.println("Word size: " + w);
+	System.err.println("State size: " + s);
+	System.err.println("Output size: " + o);
+	System.err.println("Iterations: " + i);
+	System.err.println("Squeezes: " + j);
+	
+	
+	if (r > s)
+	{   System.err.println(cmd + ": the bitrate must not be higher than the state size.");
+	    System.exit(6);
+	}
+	if (c > s)
+	{   System.err.println(cmd + ": the capacity must not be higher than the state size.");
+	    System.exit(6);
+	}
+	if (r + c != s)
+	{   System.err.println(cmd + ": the sum of the bitrate and the capacity must equal the state size.");
+	    System.exit(6);
+	}
+	
+	
+	if (fptr == 0)
+	    files[fptr++] = null;
+	if (i < 1)
+	{
+	    System.err.println(cmd + ": sorry, I will only do at least one hash iteration!");
+	    System.exit(3);
+	}
+	if (j < 1)
+	{
+	    System.err.println(cmd + ": sorry, I will only do at least one squeeze iteration!");
+	    System.exit(3);
+	}
+	
+	byte[] stdin = null;
+	boolean fail = false;
+	String filename;
+
+	for (int f = 0; f < fptr; f++)
+	{   String rc = "";
+	    String fn = (filename = files[f]) == null ? "/dev/stdin" : filename;
+	    InputStream file = null;
+	    try
+	    {
+		byte[] bs;
+		if ((filename != null) || (stdin == null))
+		{
+		    file = new FileInputStream(fn);
+		    SHA3.initialise(r, c, o);
+		    int blksize = 4096; /** XXX os.stat(os.path.realpath(fn)).st_size; **/
+		    byte[] chunk = new byte[blksize];
+		    for (;;)
+		    {
+			int read = file.read(chunk, 0, blksize);
+			if (read <= 0)
+			    break;
+			if (hex == false)
+			    SHA3.update(chunk, read);
+			else
+			{
+			    int n = read >> 1;
+			    for (int _ = 0; _ < n; _++)
+			    {	byte a = chunk[_ << 1], b = chunk[(_ << 1) | 1];
+				chunk[_] = (byte)((((a & 15) + (a <= '9' ? 0 : 9)) << 4) | ((b & 15) + (b <= '9' ? 0 : 9)));
+			    }
+			    SHA3.update(chunk, n);
+			}
+		    }
+		    bs = SHA3.digest(j == 1);
+		    if (j > 2)
+			SHA3.fastSqueeze(j - 2);
+		    if (j > 1)
+			bs = SHA3.squeeze();
+		    if (filename == null)
+			stdin = bs;
+		}
+		else
+		    bs = stdin;
+		if (multi == 0)
+		{
+		    for (int _ = 1; _ < i; _++)
+		    {
+			SHA3.initialise(r, c, o);
+			bs = SHA3.digest(bs, j == 1);
+			if (j > 2)
+			    SHA3.fastSqueeze(j - 2);
+			if (j > 1)
+			    bs = SHA3.squeeze();
+		    }
+		    if (binary)
+			System.out.write(bs);
+		    else
+		    {   for (int b = 0, bn = bs.length; b < bn; b++)
+			{   rc += "0123456789ABCDEF".charAt((bs[b] >> 4) & 15);
+			    rc += "0123456789ABCDEF".charAt(bs[b] & 15);
+			}
+			rc += " " + (filename == null ? "-" : filename) + "\n";
+			System.out.print(rc);
+		    }
+		}
+		else if (multi == 1)
+		{
+		    byte[] out = null;
+		    if (binary)
+			System.out.write(bs);
+		    else
+		    {
+			out = new byte[(bs.length << 1) + 1];
+			for (int b = 0, bn = bs.length; b < bn; b++)
+			{   out[ b << 1     ] = (byte)("0123456789ABCDEF".charAt((bs[b] >> 4) & 15));
+			    out[(b << 1) | 1] = (byte)("0123456789ABCDEF".charAt(bs[b] & 15));
+			}
+			out[out.length - 1] = '\n';
+			System.out.write(out);
+		    }
+		    for (int _ = 1; _ < i; _++)
+		    {
+			SHA3.initialise(r, c, o);
+			bs = SHA3.digest(bs, j == 1);
+			if (j > 2)
+			    SHA3.fastSqueeze(j - 2);
+			if (j > 1)
+			    bs = SHA3.squeeze();
+			if (binary)
+			    System.out.write(bs);
+			else
+			{
+			    for (int b = 0, bn = bs.length; b < bn; b++)
+			    {   out[ b << 1     ] = (byte)("0123456789ABCDEF".charAt((bs[b] >> 4) & 15));
+				out[(b << 1) | 1] = (byte)("0123456789ABCDEF".charAt(bs[b] & 15));
+			    }
+			    System.out.write(out);
+			}
+		    }
+		}
+		else
+		{
+		    HashSet<String> got = new HashSet<String>();
+		    String loop = null;
+		    byte[] out = new byte[(bs.length << 1)];
+		    for (int _ = 0; _ < i; _++)
+		    {
+			if (_ > 0)
+			{   SHA3.initialise(r, c, o);
+			    bs = SHA3.digest(bs, j == 1);
+			    if (j > 2)
+				SHA3.fastSqueeze(j - 2);
+			    if (j > 1)
+				bs = SHA3.squeeze();
+			}
+			for (int b = 0, bn = bs.length; b < bn; b++)
+			{   out[ b << 1     ] = (byte)("0123456789ABCDEF".charAt((bs[b] >> 4) & 15));
+			    out[(b << 1) | 1] = (byte)("0123456789ABCDEF".charAt(bs[b] & 15));
+			}
+			String now = new String(out, "UTF-8");
+			if (loop == null)
+			    if (got.contains(now))
+				loop = now;
+			    else
+				got.add(now);
+			if ((loop != null) && (loop.equals(now)))
+			    now = "\033[31m" + now + "\033[00m";
+			System.out.println(now);
+		    }
+		    if (loop != null)
+			System.err.println("\033[01;31mLoop found\033[00m");
+		}
+		System.out.flush();
+	    }
+	    catch (final IOException err)
+	    {   System.err.println(cmd + ": cannot read file: " + filename + ": " + err);
+		fail = true;
+	    }
+	    finally
+	    {   if (file != null)
+		    try
+		    {	file.close();
+		    }
+		    catch (final Throwable ignore)
+		    {   //ignore
+	}   }	    }
+	
+	System.out.flush();
+	if (fail)
+	    System.exit(5);
+    }
+    
+}
+