269 lines
8.3 KiB
Haxe
269 lines
8.3 KiB
Haxe
/*
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* Copyright (C)2005-2019 Haxe Foundation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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package haxe.crypto;
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/**
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Creates a MD5 of a String.
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**/
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class Md5 {
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public static function encode(s:String):String {
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var m = new Md5();
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var h = m.doEncode(str2blks(s));
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return m.hex(h);
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}
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public static function make(b:haxe.io.Bytes):haxe.io.Bytes {
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var h = new Md5().doEncode(bytes2blks(b));
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var out = haxe.io.Bytes.alloc(16);
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var p = 0;
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for (i in 0...4) {
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out.set(p++, h[i] & 0xFF);
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out.set(p++, (h[i] >> 8) & 0xFF);
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out.set(p++, (h[i] >> 16) & 0xFF);
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out.set(p++, h[i] >>> 24);
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}
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return out;
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}
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/*
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* A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
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* Digest Algorithm, as defined in RFC 1321.
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* Copyright (C) Paul Johnston 1999 - 2000.
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* Updated by Greg Holt 2000 - 2001.
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* See http://pajhome.org.uk/site/legal.html for details.
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*/
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function new() {}
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function bitOR(a, b) {
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var lsb = (a & 0x1) | (b & 0x1);
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var msb31 = (a >>> 1) | (b >>> 1);
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return (msb31 << 1) | lsb;
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}
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function bitXOR(a, b) {
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var lsb = (a & 0x1) ^ (b & 0x1);
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var msb31 = (a >>> 1) ^ (b >>> 1);
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return (msb31 << 1) | lsb;
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}
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function bitAND(a, b) {
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var lsb = (a & 0x1) & (b & 0x1);
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var msb31 = (a >>> 1) & (b >>> 1);
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return (msb31 << 1) | lsb;
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}
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function addme(x, y) {
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var lsw = (x & 0xFFFF) + (y & 0xFFFF);
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var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
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return (msw << 16) | (lsw & 0xFFFF);
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}
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function hex(a:Array<Int>) {
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var str = "";
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var hex_chr = "0123456789abcdef";
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for (num in a)
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for (j in 0...4)
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str += hex_chr.charAt((num >> (j * 8 + 4)) & 0x0F) + hex_chr.charAt((num >> (j * 8)) & 0x0F);
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return str;
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}
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static function bytes2blks(b:haxe.io.Bytes) {
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var nblk = ((b.length + 8) >> 6) + 1;
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var blks = new Array();
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// preallocate size
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var blksSize = nblk * 16;
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#if (neko || cs || cpp || java || hl)
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blks[blksSize - 1] = 0;
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#end
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#if !(cpp || cs || hl) // C++ and C# will already initialize them with zeroes.
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for (i in 0...blksSize)
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blks[i] = 0;
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#end
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var i = 0;
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while (i < b.length) {
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blks[i >> 2] |= b.get(i) << ((((b.length << 3) + i) & 3) << 3);
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i++;
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}
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blks[i >> 2] |= 0x80 << (((b.length * 8 + i) % 4) * 8);
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var l = b.length * 8;
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var k = nblk * 16 - 2;
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blks[k] = (l & 0xFF);
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blks[k] |= ((l >>> 8) & 0xFF) << 8;
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blks[k] |= ((l >>> 16) & 0xFF) << 16;
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blks[k] |= ((l >>> 24) & 0xFF) << 24;
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return blks;
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}
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static function str2blks(str:String) {
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#if target.unicode
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var str = haxe.io.Bytes.ofString(str);
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#end
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var nblk = ((str.length + 8) >> 6) + 1;
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var blks = new Array();
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// preallocate size
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var blksSize = nblk * 16;
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#if (neko || eval || cs || cpp || java || hl)
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blks[blksSize - 1] = 0;
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#end
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#if !(cpp || cs || hl) // C++ and C# will already initialize them with zeroes.
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for (i in 0...blksSize)
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blks[i] = 0;
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#end
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var i = 0;
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var max = str.length;
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var l = max * 8;
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while (i < max) {
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blks[i >> 2] |= #if target.unicode str.get(i) #else StringTools.fastCodeAt(str, i) #end << (((l + i) % 4) * 8);
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i++;
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}
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blks[i >> 2] |= 0x80 << (((l + i) % 4) * 8);
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var k = nblk * 16 - 2;
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blks[k] = (l & 0xFF);
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blks[k] |= ((l >>> 8) & 0xFF) << 8;
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blks[k] |= ((l >>> 16) & 0xFF) << 16;
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blks[k] |= ((l >>> 24) & 0xFF) << 24;
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return blks;
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}
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function rol(num, cnt) {
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return (num << cnt) | (num >>> (32 - cnt));
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}
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function cmn(q, a, b, x, s, t) {
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return addme(rol((addme(addme(a, q), addme(x, t))), s), b);
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}
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function ff(a, b, c, d, x, s, t) {
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return cmn(bitOR(bitAND(b, c), bitAND((~b), d)), a, b, x, s, t);
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}
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function gg(a, b, c, d, x, s, t) {
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return cmn(bitOR(bitAND(b, d), bitAND(c, (~d))), a, b, x, s, t);
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}
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function hh(a, b, c, d, x, s, t) {
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return cmn(bitXOR(bitXOR(b, c), d), a, b, x, s, t);
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}
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function ii(a, b, c, d, x, s, t) {
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return cmn(bitXOR(c, bitOR(b, (~d))), a, b, x, s, t);
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}
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function doEncode(x:Array<Int>):Array<Int> {
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var a = 1732584193;
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var b = -271733879;
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var c = -1732584194;
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var d = 271733878;
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var step;
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var i = 0;
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while (i < x.length) {
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var olda = a;
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var oldb = b;
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var oldc = c;
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var oldd = d;
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step = 0;
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a = ff(a, b, c, d, x[i + 0], 7, -680876936);
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d = ff(d, a, b, c, x[i + 1], 12, -389564586);
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c = ff(c, d, a, b, x[i + 2], 17, 606105819);
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b = ff(b, c, d, a, x[i + 3], 22, -1044525330);
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a = ff(a, b, c, d, x[i + 4], 7, -176418897);
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d = ff(d, a, b, c, x[i + 5], 12, 1200080426);
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c = ff(c, d, a, b, x[i + 6], 17, -1473231341);
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b = ff(b, c, d, a, x[i + 7], 22, -45705983);
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a = ff(a, b, c, d, x[i + 8], 7, 1770035416);
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d = ff(d, a, b, c, x[i + 9], 12, -1958414417);
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c = ff(c, d, a, b, x[i + 10], 17, -42063);
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b = ff(b, c, d, a, x[i + 11], 22, -1990404162);
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a = ff(a, b, c, d, x[i + 12], 7, 1804603682);
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d = ff(d, a, b, c, x[i + 13], 12, -40341101);
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c = ff(c, d, a, b, x[i + 14], 17, -1502002290);
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b = ff(b, c, d, a, x[i + 15], 22, 1236535329);
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a = gg(a, b, c, d, x[i + 1], 5, -165796510);
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d = gg(d, a, b, c, x[i + 6], 9, -1069501632);
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c = gg(c, d, a, b, x[i + 11], 14, 643717713);
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b = gg(b, c, d, a, x[i + 0], 20, -373897302);
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a = gg(a, b, c, d, x[i + 5], 5, -701558691);
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d = gg(d, a, b, c, x[i + 10], 9, 38016083);
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c = gg(c, d, a, b, x[i + 15], 14, -660478335);
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b = gg(b, c, d, a, x[i + 4], 20, -405537848);
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a = gg(a, b, c, d, x[i + 9], 5, 568446438);
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d = gg(d, a, b, c, x[i + 14], 9, -1019803690);
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c = gg(c, d, a, b, x[i + 3], 14, -187363961);
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b = gg(b, c, d, a, x[i + 8], 20, 1163531501);
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a = gg(a, b, c, d, x[i + 13], 5, -1444681467);
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d = gg(d, a, b, c, x[i + 2], 9, -51403784);
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c = gg(c, d, a, b, x[i + 7], 14, 1735328473);
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b = gg(b, c, d, a, x[i + 12], 20, -1926607734);
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a = hh(a, b, c, d, x[i + 5], 4, -378558);
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d = hh(d, a, b, c, x[i + 8], 11, -2022574463);
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c = hh(c, d, a, b, x[i + 11], 16, 1839030562);
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b = hh(b, c, d, a, x[i + 14], 23, -35309556);
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a = hh(a, b, c, d, x[i + 1], 4, -1530992060);
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d = hh(d, a, b, c, x[i + 4], 11, 1272893353);
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c = hh(c, d, a, b, x[i + 7], 16, -155497632);
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b = hh(b, c, d, a, x[i + 10], 23, -1094730640);
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a = hh(a, b, c, d, x[i + 13], 4, 681279174);
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d = hh(d, a, b, c, x[i + 0], 11, -358537222);
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c = hh(c, d, a, b, x[i + 3], 16, -722521979);
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b = hh(b, c, d, a, x[i + 6], 23, 76029189);
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a = hh(a, b, c, d, x[i + 9], 4, -640364487);
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d = hh(d, a, b, c, x[i + 12], 11, -421815835);
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c = hh(c, d, a, b, x[i + 15], 16, 530742520);
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b = hh(b, c, d, a, x[i + 2], 23, -995338651);
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a = ii(a, b, c, d, x[i + 0], 6, -198630844);
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d = ii(d, a, b, c, x[i + 7], 10, 1126891415);
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c = ii(c, d, a, b, x[i + 14], 15, -1416354905);
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b = ii(b, c, d, a, x[i + 5], 21, -57434055);
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a = ii(a, b, c, d, x[i + 12], 6, 1700485571);
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d = ii(d, a, b, c, x[i + 3], 10, -1894986606);
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c = ii(c, d, a, b, x[i + 10], 15, -1051523);
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b = ii(b, c, d, a, x[i + 1], 21, -2054922799);
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a = ii(a, b, c, d, x[i + 8], 6, 1873313359);
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d = ii(d, a, b, c, x[i + 15], 10, -30611744);
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c = ii(c, d, a, b, x[i + 6], 15, -1560198380);
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b = ii(b, c, d, a, x[i + 13], 21, 1309151649);
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a = ii(a, b, c, d, x[i + 4], 6, -145523070);
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d = ii(d, a, b, c, x[i + 11], 10, -1120210379);
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c = ii(c, d, a, b, x[i + 2], 15, 718787259);
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b = ii(b, c, d, a, x[i + 9], 21, -343485551);
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a = addme(a, olda);
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b = addme(b, oldb);
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c = addme(c, oldc);
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d = addme(d, oldd);
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i += 16;
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}
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return [a, b, c, d];
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}
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}
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