From 7382a72242f34e1e78fee0f702a83acf8d0ca498 Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Fri, 3 May 2013 01:18:04 +0200 Subject: parameter stuff MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- pure-java/sha3sum.java | 188 ++++++++++++++++++++++++++++++++++++++++++------- 1 file changed, 161 insertions(+), 27 deletions(-) diff --git a/pure-java/sha3sum.java b/pure-java/sha3sum.java index 080c4b6..8790d6f 100644 --- a/pure-java/sha3sum.java +++ b/pure-java/sha3sum.java @@ -55,17 +55,20 @@ public class sha3sum cmd = cmd.substring(0, cmd.length() - 4); cmd = cmd.intern(); - int _o, o = _o = 512; /* --outputsize */ + Integer O = null; int _o = 512; /* --outputsize */ + Integer S = null; int _s = 1600; /* --statesize */ + Integer R = null; int _r = _s - (_o << 1); /* --bitrate */ + Integer C = null; int _c = _s - _r; /* --capacity */ + Integer W = null; int _w = _s / 25; /* --wordsize */ + Integer I = null; int _i = 1; /* --iterations */ + int o = 0, s = 0, r = 0, c = 0, w = 0, i = 0; + 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; /* --statesize */ - 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; + boolean multi = false; String[] files = new String[argv.length + 1]; int fptr = 0; @@ -110,6 +113,9 @@ public class sha3sum 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:"); @@ -139,17 +145,17 @@ public class sha3sum arg = null; } if ((linger[0] == "-r") || (linger[0] == "--bitrate")) - o = (s - (r = Integer.parseInt(linger[1]))) >> 1; + R = Integer.valueOf(linger[1]); else if ((linger[0] == "-c") || (linger[0] == "--capacity")) - r = s - (c = Integer.parseInt(linger[1])); + C = Integer.valueOf(linger[1]); else if ((linger[0] == "-w") || (linger[0] == "--wordsize")) - s = (w = Integer.parseInt(linger[1])) * 25; + W = Integer.valueOf(linger[1]); else if ((linger[0] == "-o") || (linger[0] == "--outputsize")) - r = s - ((o = Integer.parseInt(linger[1])) << 1); + O = Integer.valueOf(linger[1]); else if ((linger[0] == "-s") || (linger[0] == "--statesize")) - r = (s = Integer.parseInt(linger[1])) - (o << 1); + S = Integer.valueOf(linger[1]); else if ((linger[0] == "-i") || (linger[0] == "--iterations")) - i = Integer.parseInt(linger[1]); + I = Integer.valueOf(linger[1]); else { System.err.println(cmd + ": unrecognised option: " + linger[0]); @@ -174,6 +180,8 @@ public class sha3sum else if (arg == "--binary") binary = true; + else if (arg == "--multi") + multi = true; else linger = new String[] { arg, null }; else if (arg.startsWith("-")) @@ -184,6 +192,11 @@ public class sha3sum binary = true; arg = arg.substring(1); } + else if (arg.charAt(0) == 'm') + { + multi = true; + arg = arg.substring(1); + } else if (arg.length() == 1) linger = new String[] { "-" + arg, null }; else @@ -193,6 +206,96 @@ public class sha3sum files[fptr++] = arg; } + + i = I == null ? _i : I.intValue(); + + if (S != null) + { s = S.intValue(); + if ((s <= 0) || (s > 1600) || (s % 25 != 0)) + { System.err.println("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("The word size must be positive and is limited to 64."); + System.exit(6); + } + if ((S != null) && (s != w * 25)) + { System.err.println("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("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("The bitrate must be a positive multiple of 8."); + System.exit(6); + } } + + if (O != null) + { o = O.intValue(); + if (o <= 0) + { System.err.println("The output size must be positive."); + System.exit(6); + } } + + + if ((R == null) && (C == null) && (O == null)) // s? + { r = ((c = (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; + } + + + if (r > s) + { System.err.println("The bitrate must not be higher than the state size."); + System.exit(6); + } + if (c > s) + { System.err.println("The capacity must not be higher than the state size."); + System.exit(6); + } + if (r + c != s) + { System.err.println("The sum of the bitrate and the capacity must equal the state size."); + System.exit(6); + } + + 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); + + if (fptr == 0) files[fptr++] = null; if (i < 1) @@ -227,28 +330,59 @@ public class sha3sum SHA3.update(chunk, read); } byte[] bs = SHA3.digest(); - for (int _ = 1; _ < i; _++) + if (multi == false) { - SHA3.initialise(r, c, o); - bs = SHA3.digest(bs); + for (int _ = 1; _ < i; _++) + { + SHA3.initialise(r, c, o); + bs = SHA3.digest(bs); + } + if (binary) + { if (filename == null) + stdin = bs; + 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"; + if (filename == null) + stdin = rc.getBytes("UTF-8"); + System.out.print(rc); + } } - if (binary) - { if (filename == null) - stdin = bs; + else if (binary) + { System.out.write(bs); - System.out.flush(); + for (int _ = 1; _ < i; _++) + { + SHA3.initialise(r, c, o); + System.out.write(bs = SHA3.digest(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); + { + byte[] 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); + 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); } - rc += " " + (filename == null ? "-" : filename) + "\n"; - if (filename == null) - stdin = rc.getBytes("UTF-8"); - System.out.print(rc); - System.out.flush(); } + System.out.flush(); } catch (final IOException err) { System.err.println(cmd + ": cannot read file: " + filename + ": " + err); -- cgit v1.2.3-70-g09d2