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Diffstat (limited to 'java/sha3sum.java')
-rw-r--r-- | java/sha3sum.java | 485 |
1 files changed, 0 insertions, 485 deletions
diff --git a/java/sha3sum.java b/java/sha3sum.java deleted file mode 100644 index 7d70caf..0000000 --- a/java/sha3sum.java +++ /dev/null @@ -1,485 +0,0 @@ -/** - * sha3sum – SHA-3 (Keccak) checksum calculator - * - * Copyright © 2013, 2014 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 ckecksum. (default: " + _r + ")"); - System.out.println(" "); - System.out.println(" -c CAPACITY"); - System.out.println(" --capacity The capacity to use for checksum. (default: " + _c + ")"); - System.out.println(" "); - System.out.println(" -w WORDSIZE"); - System.out.println(" --wordsize The word size to use for checksum. (default: " + _w + ")"); - System.out.println(" "); - System.out.println(" -o OUTPUTSIZE"); - System.out.println(" --outputsize The output size to use for checksum. (default: " + _o + ")"); - System.out.println(" "); - System.out.println(" -s STATESIZE"); - System.out.println(" --statesize The state size to use for checksum. (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(" -x"); - 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 checksum at all iterations."); - System.out.println(""); - System.out.println(""); - System.out.println("COPYRIGHT:"); - System.out.println(""); - System.out.println("Copyright © 2013, 2014 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) == 'x') - { - 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 k = 0; k < n; k++) - { byte a = chunk[k << 1], b = chunk[(k << 1) | 1]; - chunk[k] = (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 k = 1; k < i; k++) - { - 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 k = 1; k < i; k++) - { - 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 k = 0; k < i; k++) - { - if (k > 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); - } - -} - |