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-rw-r--r--pure-java/sha3sum.java188
1 files 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);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-09-21 20:10:48 +0000