From 071fb2c780b28da84b018454b7b777b63175930f Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Tue, 5 Feb 2013 09:17:12 +0100 Subject: misc MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- java/sha3sum.java | 270 ------------------------------------------------------ 1 file changed, 270 deletions(-) delete mode 100644 java/sha3sum.java (limited to 'java/sha3sum.java') diff --git a/java/sha3sum.java b/java/sha3sum.java deleted file mode 100644 index ec00958..0000000 --- a/java/sha3sum.java +++ /dev/null @@ -1,270 +0,0 @@ -/** - * 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 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - */ - -import java.io.*; -import java.util.*; - - -/** - * SHA-3/Keccak checksum calculator - * - * @author Mattias Andrée maandree@member.fsf.org - */ -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() - 3); - cmd = cmd.intern(); - - int _o, o = _o = 512; /* --outputsize */ - if (cmd == "sha3-224sum") o = _o = 224; - else if (cmd == "sha3-256sum") o = _o = 256; - else if (cmd == "sha3-384sum") o = _o = 384; - else if (cmd == "sha3-512sum") o = _o = 512; - int _s, s = _s = 1600; /* --statesiz e */ - int _r, r = _r = s - (o << 1); /* --bitrate */ - int _c, c = _c = s - r; /* --capacity */ - int _w, w = _w = s / 25; /* --wordsize */ - int _i, i = _i = 1; /* --iterations */ - boolean binary = false; - - 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("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(" -b"); - System.out.println(" --binary Print the checksum in binary, rather than hexadecimal."); - 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 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 General Public License for more details."); - System.out.println(""); - System.out.println("You should have received a copy of the GNU General Public License"); - System.out.println("along with this program. If not, see ."); - System.exit(2); - } - else - { - if (linger[1] == null) - { - linger[1] = arg; - arg = null; - } - if ((linger[0] == "-r") || (linger[0] == "--bitrate")) - o = (s - (r = Integer.parseInt(linger[1]))) >> 1; - else if ((linger[0] == "-c") || (linger[0] == "--capacity")) - r = s - (c = Integer.parseInt(linger[1])); - else if ((linger[0] == "-w") || (linger[0] == "--wordsize")) - s = (w = Integer.parseInt(linger[1])) * 25; - else if ((linger[0] == "-o") || (linger[0] == "--outputsize")) - r = s - ((o = Integer.parseInt(linger[1])) << 1); - else if ((linger[0] == "-s") || (linger[0] == "--statesize")) - r = (s = Integer.parseInt(linger[1])) - (o << 1); - else if ((linger[0] == "-i") || (linger[0] == "--iterations")) - i = Integer.parseInt(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 - 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.length() == 1) - linger = new String[] { "-" + arg, null }; - else - linger = new String[] { "-" + arg.charAt(0), arg.substring(1) }; - } - else - files[fptr++] = arg; - } - - if (fptr == 0) - files[fptr++] = null; - if (i < 1) - { - System.err.println(cmd + ": sorry, I will only do at least one iteration!\n"); - System.exit(3); - } - - byte[] stdin = null; - boolean fail = false; - String filename; - - for (int f = 0; f < fptr; f++) - { if (((filename = files[f]) == null) && (stdin != null)) - { System.out.write(stdin); - continue; - } - String rc = ""; - String fn = filename == null ? "/dev/stdin" : filename; - InputStream file = null; - try - { - 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; - SHA3.update(chunk, read); - } - byte[] bs = SHA3.digest(); - for (int _ = 1; _ < i; _++) - { - SHA3.initialise(r, c, o); - bs = SHA3.digest(bs); - } - if (binary) - { if (filename == null) - stdin = bs; - System.out.write(bs); - System.out.flush(); - } - 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"; - if (filename == null) - stdin = rc.getBytes("UTF-8"); - System.out.print(rc); - 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); - } - -} - -- cgit v1.2.3-70-g09d2