diff options
Diffstat (limited to 'backend/node_modules/bcryptjs/src/bcrypt/prng/isaac.js')
| -rw-r--r-- | backend/node_modules/bcryptjs/src/bcrypt/prng/isaac.js | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/backend/node_modules/bcryptjs/src/bcrypt/prng/isaac.js b/backend/node_modules/bcryptjs/src/bcrypt/prng/isaac.js deleted file mode 100644 index e4ce30f..0000000 --- a/backend/node_modules/bcryptjs/src/bcrypt/prng/isaac.js +++ /dev/null @@ -1,140 +0,0 @@ -/*
- isaac.js Copyright (c) 2012 Yves-Marie K. Rinquin
-
- Permission is hereby granted, free of charge, to any person obtaining
- a copy of this software and associated documentation files (the
- "Software"), to deal in the Software without restriction, including
- without limitation the rights to use, copy, modify, merge, publish,
- distribute, sublicense, and/or sell copies of the Software, and to
- permit persons to whom the Software is furnished to do so, subject to
- the following conditions:
-
- The above copyright notice and this permission notice shall be
- included in all copies or substantial portions of the Software.
-
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
- LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
- OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/* isaac module pattern */
-var isaac = (function(){
-
- /* internal states */
- var m = Array(256), // internal memory
- acc = 0, // accumulator
- brs = 0, // last result
- cnt = 0, // counter
- r = Array(256), // result array
- gnt = 0, // generation counter
- isd = false; // initially seeded
-
-
- /* 32-bit integer safe adder */
- function add(x, y) {
- var lsb = (x & 0xffff) + (y & 0xffff),
- msb = (x >>> 16) + (y >>> 16) + (lsb >>> 16);
- return (msb << 16) | (lsb & 0xffff);
- }
-
- /* initialisation */
- function reset() {
- acc = brs = cnt = 0;
- for (var i = 0; i < 256; ++i)
- m[i] = r[i] = 0;
- gnt = 0;
- }
-
- /* seeding function */
- function seed(s) {
- var a, b, c, d, e, f, g, h, i;
-
- /* seeding the seeds of love */
- a = b = c = d = e = f = g = h = 0x9e3779b9; /* the golden ratio */
-
- if (s && typeof(s) === 'number')
- s = [s];
-
- if (s instanceof Array) {
- reset();
- for (i = 0; i < s.length; ++i)
- r[i & 0xff] += typeof(s[i]) === 'number' ? s[i] : 0;
- }
-
- /* private: seed mixer */
- function seed_mix() {
- a ^= b << 11; d = add(d, a); b = add(b, c);
- b ^= c >>> 2; e = add(e, b); c = add(c, d);
- c ^= d << 8; f = add(f, c); d = add(d, e);
- d ^= e >>> 16; g = add(g, d); e = add(e, f);
- e ^= f << 10; h = add(h, e); f = add(f, g);
- f ^= g >>> 4; a = add(a, f); g = add(g, h);
- g ^= h << 8; b = add(b, g); h = add(h, a);
- h ^= a >>> 9; c = add(c, h); a = add(a, b);
- }
-
- for (i = 0; i < 4; i++) /* scramble it */
- seed_mix();
-
- for (i = 0; i < 256; i += 8) {
- if (s) /* use all the information in the seed */
- a = add(a, r[i + 0]), b = add(b, r[i + 1]),
- c = add(c, r[i + 2]), d = add(d, r[i + 3]),
- e = add(e, r[i + 4]), f = add(f, r[i + 5]),
- g = add(g, r[i + 6]), h = add(h, r[i + 7]);
- seed_mix();
- /* fill in m[] with messy stuff */
- m[i + 0] = a; m[i + 1] = b; m[i + 2] = c; m[i + 3] = d;
- m[i + 4] = e; m[i + 5] = f; m[i + 6] = g; m[i + 7] = h;
- }
- if (s)
- /* do a second pass to make all of the seed affect all of m[] */
- for (i = 0; i < 256; i += 8)
- a = add(a, m[i + 0]), b = add(b, m[i + 1]),
- c = add(c, m[i + 2]), d = add(d, m[i + 3]),
- e = add(e, m[i + 4]), f = add(f, m[i + 5]),
- g = add(g, m[i + 6]), h = add(h, m[i + 7]),
- seed_mix(),
- /* fill in m[] with messy stuff (again) */
- m[i + 0] = a, m[i + 1] = b, m[i + 2] = c, m[i + 3] = d,
- m[i + 4] = e, m[i + 5] = f, m[i + 6] = g, m[i + 7] = h;
- prng(); /* fill in the first set of results */
- gnt = 256; /* prepare to use the first set of results */;
- }
-
- /* isaac generator, n = number of run */
- function prng(n) {
- var i, x, y;
- n = n && typeof(n) === 'number' ? Math.abs(Math.floor(n)) : 1;
- while (n--) {
- cnt = add(cnt, 1);
- brs = add(brs, cnt);
- for(i = 0; i < 256; i++) {
- switch(i & 3) {
- case 0: acc ^= acc << 13; break;
- case 1: acc ^= acc >>> 6; break;
- case 2: acc ^= acc << 2; break;
- case 3: acc ^= acc >>> 16; break;
- }
- acc = add(m[(i + 128) & 0xff], acc); x = m[i];
- m[i] = y = add(m[(x >>> 2) & 0xff], add(acc, brs));
- r[i] = brs = add(m[(y >>> 10) & 0xff], x);
- }
- }
- }
-
- /* return a random number between */
- return function() {
- if (!isd) // seed from accumulator
- isd = true,
- accum.stop(),
- seed(accum.fetch());
- if (!gnt--)
- prng(), gnt = 255;
- return r[gnt];
- };
-})();
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