aboutsummaryrefslogtreecommitdiffstats
path: root/c/sha3sum.c
diff options
context:
space:
mode:
Diffstat (limited to 'c/sha3sum.c')
-rw-r--r--c/sha3sum.c517
1 files changed, 441 insertions, 76 deletions
diff --git a/c/sha3sum.c b/c/sha3sum.c
index b5d0c6a..d3657d7 100644
--- a/c/sha3sum.c
+++ b/c/sha3sum.c
@@ -26,10 +26,116 @@
#define true 1
#define null 0
+#define SET void**
+
#define HEXADECA "0123456789ABCDEF"
/**
+ * Prints a number of bytes to stdout
+ *
+ * @param bytes The bytes to print
+ * @param n The number of bytes
+ */
+inline void putchars(char* bytes, long n)
+{
+ fwrite(bytes, 1, n, stdout);
+}
+
+
+/**
+ * Creates a new set
+ *
+ * @return The set
+ */
+SET set_new()
+{
+ return (void**)malloc(sizeof(void*) << 4);
+}
+
+
+/**
+ * Frees a set
+ *
+ * @param set The set
+ */
+void set_free(SET set)
+{
+ if (*(set + 0)) set_free((void**)*(set + 0));
+ if (*(set + 1)) set_free((void**)*(set + 1));
+ if (*(set + 2)) set_free((void**)*(set + 2));
+ if (*(set + 3)) set_free((void**)*(set + 3));
+ if (*(set + 4)) set_free((void**)*(set + 4));
+ if (*(set + 5)) set_free((void**)*(set + 5));
+ if (*(set + 6)) set_free((void**)*(set + 6));
+ if (*(set + 7)) set_free((void**)*(set + 7));
+ if (*(set + 8)) set_free((void**)*(set + 8));
+ if (*(set + 9)) set_free((void**)*(set + 9));
+ if (*(set + 10)) set_free((void**)*(set + 10));
+ if (*(set + 11)) set_free((void**)*(set + 11));
+ if (*(set + 12)) set_free((void**)*(set + 12));
+ if (*(set + 13)) set_free((void**)*(set + 13));
+ if (*(set + 14)) set_free((void**)*(set + 14));
+ if (*(set + 15)) set_free((void**)*(set + 15));
+ free(set);
+}
+
+
+/**
+ * Adds an item to a set
+ *
+ * @param set The set
+ * @param item The item
+ * @param n The length of the item
+ */
+void set_add(SET set, char* item, long n)
+{
+ long i;
+ void** at = set;
+ for (i = 0; i < n; i++)
+ {
+ long a = (long)((*(item + i)) & 15), b = (long)((*(item + i) >> 4) & 15);
+ if (*(at + a))
+ at = (void**)*(at + a);
+ else
+ at = (void**)(*(at + a) = (void*)malloc(sizeof(void*) << 4));
+ if (*(at + b))
+ at = (void**)*(at + b);
+ else
+ at = (void**)(*(at + b) = (void*)malloc(sizeof(void*) << 4));
+ }
+}
+
+
+/**
+ * Checks if a set contains an item
+ *
+ * @param set The set
+ * @param item The item
+ * @param n The length of the item
+ * @return Whether the set contains the item
+ */
+long set_contains(SET set, char* item, long n)
+{
+ long i;
+ void** at = set;
+ for (i = 0; i < n; i++)
+ {
+ long a = (long)((*(item + i)) & 15), b = (long)((*(item + i) >> 4) & 15);
+ if (*(at + a))
+ at = (void**)*(at + a);
+ else
+ return false;
+ if (*(at + b))
+ at = (void**)*(at + b);
+ else
+ return false;
+ }
+ return true;
+}
+
+
+/**
* String equality comparator
*
* @param a First comparand
@@ -70,8 +176,11 @@ long parseInt(char* str)
int main(int argc, char** argv)
{
char* cmd = *argv;
- long _o, o, _s, s, _r, r, _c, c, _w, w, _i, i;
- long binary = false, dashed = false, fptr = 0, freelinger = true;
+
+ long _o, o, _s, s, _r, r, _c, c, _w, w, _i, i, _j, j;
+ long _O, O, _S, S, _R, R, _C, C, _W, W, _I, I, _J, J;
+ long binary = false, hex = false, dashed = false, freelinger = true;
+ long multi = 0, fptr = 0, bn;
char** files = (char**)malloc(argc * sizeof(char*));
char** linger = (char**)malloc(sizeof(char*) << 1);
@@ -79,6 +188,11 @@ int main(int argc, char** argv)
long a = 0, an = argc - 1;
char** args = argv + 1;
+
+ _O = _S = _R = _C = _W = _I = false;
+ O = S = R = C = W = I = J = 0;
+ o = s = r = c = w = i = j = 0;
+
*linger = 0;
@@ -89,25 +203,26 @@ int main(int argc, char** argv)
if (s >= 0)
cmd += s + 1;
- o = _o = 512; /* --outputsize */
+ _o = 512; /* --outputsize */
if ((cmd[0] == 's') && (cmd[1] == 'h') && (cmd[2] == 'a') && (cmd[3] == '3') && (cmd[4] == '-'))
if ((cmd[5] != 0) && (cmd[6] != 0) && (cmd[7] != 0))
if ((cmd[8] == 's') && (cmd[9] == 'u') && (cmd[10] == 'm') && (cmd[11] == 0))
{
if ((cmd[5] == '2') && (cmd[6] == '2') && (cmd[7] == '4'))
- o = _o = 224;
+ _o = 224;
else if ((cmd[5] == '2') && (cmd[6] == '5') && (cmd[7] == '6'))
- o = _o = 256;
+ _o = 256;
else if ((cmd[5] == '3') && (cmd[6] == '8') && (cmd[7] == '4'))
- o = _o = 384;
+ _o = 384;
else if ((cmd[5] == '5') && (cmd[6] == '1') && (cmd[7] == '2'))
- o = _o = 512;
+ _o = 512;
}
- s = _s = 1600; /* --statesize */
- r = _r = s - (o << 1); /* --bitrate */
- c = _c = s - r; /* --capacity */
- w = _w = s / 25; /* --wordsize */
- i = _i = 1; /* --iterations */
+ _s = 1600; /* --statesize */
+ _r = _s - (_o << 1); /* --bitrate */
+ _c = _s - _r; /* --capacity */
+ _w = _s / 25; /* --wordsize */
+ _i = 1; /* --iterations */
+ _j = 1; /* --squeezes */
for (; a <= an; a++)
@@ -143,8 +258,17 @@ int main(int argc, char** argv)
printf(" -i ITERATIONS\n");
printf(" --iterations The number of hash iterations to run. (default: %li)\n", _i);
printf(" \n");
+ printf(" -j SQUEEZES\n");
+ printf(" --squeezes The number of hash squeezes to run. (default: %li)\n", _j);
+ printf(" \n");
+ printf(" -h\n");
+ printf(" --hex Read the input in hexadecimal, rather than binary.\n");
+ printf(" \n");
printf(" -b\n");
printf(" --binary Print the checksum in binary, rather than hexadecimal.\n");
+ printf(" \n");
+ printf(" -m\n");
+ printf(" --multi Print the chechsum at all iterations.\n");
printf("\n");
printf("\n");
printf("COPYRIGHT:\n");
@@ -180,17 +304,19 @@ int main(int argc, char** argv)
arg = null;
}
if (eq(*linger, "-r") || eq(*linger, "--bitrate"))
- o = (s - (r = parseInt(linger[1]))) >> 1;
+ _R = 1 | (R = parseInt(linger[1]));
else if (eq(*linger, "-c") || eq(*linger, "--capacity"))
- r = s - (c = parseInt(linger[1]));
+ _C = 1 | (C = parseInt(linger[1]));
else if (eq(*linger, "-w") || eq(*linger, "--wordsize"))
- s = (w = parseInt(linger[1])) * 25;
+ _W = 1 | (W = parseInt(linger[1]));
else if (eq(*linger, "-o") || eq(*linger, "--outputsize"))
- r = s - ((o = parseInt(linger[1])) << 1);
+ _O = 1 | (O = parseInt(linger[1]));
else if (eq(*linger, "-s") || eq(*linger, "--statesize"))
- r = (s = parseInt(linger[1])) - (o << 1);
+ _S = 1 | (S = parseInt(linger[1]));
else if (eq(*linger, "-i") || eq(*linger, "--iterations"))
- i = parseInt(linger[1]);
+ _I = 1 | (I = parseInt(linger[1]));
+ else if (eq(*linger, "-j") || eq(*linger, "--squeezes"))
+ _J = 1 | (J = parseInt(linger[1]));
else
{
fprintf(stderr, "%s: unrecognised option: %s\n", cmd, *linger);
@@ -237,6 +363,10 @@ int main(int argc, char** argv)
else
if (eq(arg, "--binary"))
binary = true;
+ else if (eq(arg, "--multi"))
+ multi++;
+ else if (eq(arg, "--hex"))
+ hex = true;
else
{
linger[0] = arg;
@@ -252,6 +382,16 @@ int main(int argc, char** argv)
binary = true;
arg++;
}
+ else if (*arg == 'm')
+ {
+ multi++;
+ arg++;
+ }
+ else if (*arg == 'h')
+ {
+ hex = true;
+ arg++;
+ }
else
{
{
@@ -274,22 +414,151 @@ int main(int argc, char** argv)
free(linger);
+ i = _I ? I : _i;
+ j = _J ? J : _j;
+
+ #define ERR(text) fprintf(stderr, "%s: " text "\n", cmd); fflush(stdout); fflush(stderr)
+
+ if (_S)
+ {
+ s = S;
+ if ((s <= 0) || (s > 1600) || (s % 25))
+ {
+ ERR("the state size must be a positive multiple of 25 and is limited to 1600.");
+ return 6;
+ }
+ }
+
+ if (_W)
+ {
+ w = W;
+ if ((w <= 0) || (w > 64))
+ {
+ ERR("the word size must be positive and is limited to 64.");
+ return 6;
+ }
+ if (_S && (s != w * 25))
+ {
+ ERR("the state size must be 25 times of the word size.");
+ return 6;
+ }
+ else if (_S == null)
+ _S = 1 | (S = w * 25);
+ }
+
+ if (_C)
+ {
+ c = C;
+ if ((c <= 0) || (c & 7))
+ {
+ ERR("the capacity must be a positive multiple of 8.");
+ return 6;
+ }
+ }
+
+ if (_R)
+ {
+ r = R;
+ if ((r <= 0) || (r & 7))
+ {
+ ERR("the bitrate must be a positive multiple of 8.");
+ return 6;
+ }
+ }
+
+ if (_O)
+ {
+ o = o;
+ if (o <= 0)
+ {
+ ERR("the output size must be positive.");
+ return 6;
+ }
+ }
+
+ if ((_R & _C & _O) == null) /* s? */
+ {
+ s = _S ? s : _s;
+ r = -((c = (o = (((s << 5) / 100 + 7) >> 3) << 3) << 1) - s);
+ o = o < 8 ? 8 : o;
+ }
+ else if ((_R & _C) == null) /* !o s? */
+ {
+ r = _r;
+ c = _c;
+ s = _S ? s : (r + c);
+ }
+ else if (_R == null) /* !c o? s? */
+ {
+ r = (s = _S ? s : _s) - c;
+ o = _O ? o : (c == 8 ? 8 : (c << 1));
+ }
+ else if (_C == null) /* !r o? s? */
+ {
+ c = (s = _S ? s : _s) - r;
+ o = _O ? o : (c == 8 ? 8 : (c << 1));
+ }
+ else /* !r !c o? s? */
+ {
+ s = _S ? s : (r + c);
+ o = _O ? o : (c == 8 ? 8 : (c << 1));
+ }
+
+
+ if (r > s)
+ {
+ ERR("the bitrate must not be higher than the state size.");
+ return 6;
+ }
+ if (c > s)
+ {
+ ERR("the capacity must not be higher than the state size.");
+ return 6;
+ }
+ if (r + c != s)
+ {
+ ERR("the sum of the bitrate and the capacity must equal the state size.");
+ return 6;
+ }
+
+
+ fprintf(stderr, "Bitrate: %li", r);
+ fprintf(stderr, "Capacity: %li", c);
+ fprintf(stderr, "Word size: %li", w);
+ fprintf(stderr, "State size: %li", s);
+ fprintf(stderr, "Output Size: %li", o);
+ fprintf(stderr, "Iterations: %li", i);
+ fprintf(stderr, "Squeezes: %li", j);
+
+
if (fptr == 0)
files[fptr++] = null;
if (i < 1)
{
- fprintf(stderr, "%s: sorry, I will only do at least one iteration!\n", cmd);
- fflush(stdout);
- fflush(stderr);
+ ERR("sorry, I will only do at least one hash iteration!");
free(files);
return 3;
}
+ if (j < 1)
+ {
+ ERR("sorry, I will only do at least one squeeze iteration!");
+ free(files);
+ return 3;
+ }
+
+ #undef ERR
+ bn = (o + 7) >> 3;
{
- char* stdin = null;
+ char* stdin;
char* filename;
char* fn;
- long f, fail = false, _, bn;
+ long f, fail, _;
+
+ char* out = binary ? null : (char*)malloc(bn * 2);
+
+ fail = false;
+ stdin = null;
for (f = 0; f < fptr; f++)
{
@@ -311,80 +580,176 @@ int main(int argc, char** argv)
fail = true;
continue;
}
- initialise(r, c, o);
- blksize = 4096; /** XXX os.stat(os.path.realpath(fn)).st_size; **/
- chunk = (char*)malloc(blksize);
- for (;;)
+ if ((filename != null) || (stdin == null))
{
- long read = fread(chunk, 1, blksize, file);
- if (read <= 0)
- break;
- update(chunk, read);
- }
- free(chunk);
- bs = digest(null, 0);
- dispose();
- bn = (o + 7) >> 3;
- for (_ = 1; _ < i; _++)
- {
- char* _ = bs;
initialise(r, c, o);
- bs = digest(bs, bn);
- free(_);
+ blksize = 4096; /** XXX os.stat(os.path.realpath(fn)).st_size; **/
+ chunk = (char*)malloc(blksize);
+ for (;;)
+ {
+ long read = fread(chunk, 1, blksize, file);
+ if (read <= 0)
+ break;
+ if (hex == false)
+ update(chunk, read);
+ else
+ {
+ int n = read >> 1;
+ for (_ = 0; _ < n; _++)
+ {
+ char a = *(chunk + (_ << 1)), b = *(chunk + ((_ << 1) | 1));
+ a = (a & 15) + (a <= '9' ? 0 : 9);
+ b = (b & 15) + (b <= '9' ? 0 : 9);
+ *(chunk + _) = (a << 4) | b;
+ }
+ update(chunk, n);
+ }
+ }
+ free(chunk);
+ bs = digest(null, 0, j == 1);
+ if (j > 2)
+ fastSqueeze(j - 2);
+ if (j > 1)
+ bs = squeeze(1);
dispose();
- }
-
- if (binary)
- {
- long j;
- for (j = 0; j < bn; j++)
- putchar(*(bs + j));
+
if (filename == null)
{
- stdin = bs;
- bs = null;
+ stdin = (char*)malloc(bn * sizeof(char));
+ for (_ = 0; _ < bn; _++)
+ *(stdin + _) = *(bs + _);
}
- fflush(stdout);
- }
+ }
else
+ bs = stdin;
+
+ if (multi == 0)
{
- long flen = 0, rcptr = 0, b = 0;
- char* rc;
- if (filename != null)
- while (*(filename + flen))
- flen++;
- rc = malloc((bn << 1) + 3 + (filename == null ? 1 : 0) + flen);
- for (b = 0; b < bn; b++)
+ for (_ = 1; _ < i; _++)
{
- char v = bs[b];
- *(rc + rcptr++) = HEXADECA[(v >> 4) & 15];
- *(rc + rcptr++) = HEXADECA[v & 15];
+ char* _bs = bs;
+ initialise(r, c, o);
+ bs = digest(bs, bn, j == 1);
+ if (j > 2)
+ fastSqueeze(j - 2);
+ if (j > 1)
+ bs = squeeze();
+ free(_bs);
+ dispose();
}
- *(rc + rcptr++) = ' ';
- if (filename == null)
- *(rc + rcptr++) = '-';
+ if (binary)
+ putchars(bs, bn);
else
{
- flen = 0;
- while (*(filename + flen))
- *(rc + rcptr++) = *(filename + flen++);
+ long b, outptr = 0;
+ for (b = 0; b < bn; b++)
+ {
+ char v = bs[b];
+ *(out + outptr++) = HEXADECA[(v >> 4) & 15];
+ *(out + outptr++) = HEXADECA[v & 15];
+ }
+ printf("%s %s\n", out, filename ? filename : "-");
}
- *(rc + rcptr++) = '\n';
- *(rc + rcptr++) = 0;
- printf("%s", rc);
- fflush(stdout);
- if (filename == null)
- stdin = rc;
+ }
+ else if (multi == 1)
+ {
+ long b;
+ if (binary)
+ putchars(bs, bn);
else
- free(rc);
+ {
+ for (b = 0; b < bn; b++)
+ {
+ char v = bs[b];
+ out[b * 2 ] = HEXADECA[(v >> 4) & 15];
+ out[b * 2 + 1] = HEXADECA[v & 15];
+ }
+ printf("%s %s\n", out, filename ? filename : "-");
+ }
+ for (_ = 1; _ < i; _++)
+ {
+ char* _bs = bs;
+ initialise(r, c, o);
+ bs = digest(bs, bn, j == 1);
+ if (j > 2)
+ fastSqueeze(j - 2);
+ if (j > 1)
+ bs = squeeze();
+ free(_bs);
+ dispose();
+ if (binary)
+ putchars(bs, bn);
+ else
+ {
+ for (b = 0; b < bn; b++)
+ {
+ char v = bs[b];
+ out[b * 2 ] = HEXADECA[(v >> 4) & 15];
+ out[b * 2 + 1] = HEXADECA[v & 15];
+ }
+ printf("%s\n", out);
+ }
+ }
+ }
+ else
+ {
+ long b, loophere;
+ char* loop = null;
+ SET got = set_new();
+ for (_ = 0; _ < i; _++)
+ {
+ if (_ > 0)
+ {
+ char* _bs = bs;
+ initialise(r, c, o);
+ bs = digest(bs, bn, j == 1);
+ if (j > 2)
+ fastSqueeze(j - 2);
+ if (j > 1)
+ bs = squeeze();
+ free(_bs);
+ dispose();
+ }
+ for (b = 0; b < bn; b++)
+ {
+ char v = bs[b];
+ out[b * 2 ] = HEXADECA[(v >> 4) & 15];
+ out[b * 2 + 1] = HEXADECA[v & 15];
+ }
+ if (loop == null)
+ {
+ if (set_contains(got, bs, bn))
+ {
+ loop = (char*)malloc(bn * 2);
+ for (b = 0; b < bn * 2; b++)
+ *(loop + b) = *(out + b);
+ }
+ else
+ set_add(got, out, bn);
+ }
+ loophere = loop && eq(loop, out);
+ if (loophere)
+ printf("\033[31m");
+ putchars(out, bn * 2);
+ if (loophere)
+ printf("\033[00m");
+ fflush(stdout);
+ }
+ if (loop)
+ {
+ fprintf(stderr, "\033[01;31mLoop found\033[00m\n");
+ free(loop);
+ }
+ set_free(got);
}
-
if (bs != null)
free(bs);
fclose(file);
}
+ if (out != null)
+ free(out);
if (stdin != null)
free(stdin);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-10 22:15:09 +0000