var RandomGenerator = /** @class */ (function () {
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function RandomGenerator() {
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}
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/**
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* discuss at: http://locutus.io/php/sha1/
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* original by: Webtoolkit.info (http://www.webtoolkit.info/)
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* improved by: Michael White (http://getsprink.com)
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* improved by: Kevin van Zonneveld (http://kvz.io)
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* input by: Brett Zamir (http://brett-zamir.me)
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* note 1: Keep in mind that in accordance with PHP, the whole string is buffered and then
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* note 1: hashed. If available, we'd recommend using Node's native crypto modules directly
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* note 1: in a steaming fashion for faster and more efficient hashing
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* example 1: sha1('Kevin van Zonneveld')
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* returns 1: '54916d2e62f65b3afa6e192e6a601cdbe5cb5897'
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*/
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RandomGenerator.sha1 = function (str) {
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var _rotLeft = function (n, s) {
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var t4 = (n << s) | (n >>> (32 - s));
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return t4;
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};
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var _cvtHex = function (val) {
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var str = "";
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var i;
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var v;
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for (i = 7; i >= 0; i--) {
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v = (val >>> (i * 4)) & 0x0f;
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str += v.toString(16);
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}
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return str;
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};
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var blockstart;
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var i, j;
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var W = new Array(80);
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var H0 = 0x67452301;
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var H1 = 0xEFCDAB89;
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var H2 = 0x98BADCFE;
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var H3 = 0x10325476;
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var H4 = 0xC3D2E1F0;
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var A, B, C, D, E;
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var temp;
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// utf8_encode
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str = /*unescape*/ (encodeURIComponent(str));
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var strLen = str.length;
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var wordArray = [];
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for (i = 0; i < strLen - 3; i += 4) {
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j = str.charCodeAt(i) << 24 |
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str.charCodeAt(i + 1) << 16 |
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str.charCodeAt(i + 2) << 8 |
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str.charCodeAt(i + 3);
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wordArray.push(j);
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}
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switch (strLen % 4) {
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case 0:
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i = 0x080000000;
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break;
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case 1:
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i = str.charCodeAt(strLen - 1) << 24 | 0x0800000;
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break;
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case 2:
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i = str.charCodeAt(strLen - 2) << 24 | str.charCodeAt(strLen - 1) << 16 | 0x08000;
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break;
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case 3:
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i = str.charCodeAt(strLen - 3) << 24 |
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str.charCodeAt(strLen - 2) << 16 |
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str.charCodeAt(strLen - 1) <<
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8 | 0x80;
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break;
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}
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wordArray.push(i);
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while ((wordArray.length % 16) !== 14) {
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wordArray.push(0);
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}
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wordArray.push(strLen >>> 29);
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wordArray.push((strLen << 3) & 0x0ffffffff);
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for (blockstart = 0; blockstart < wordArray.length; blockstart += 16) {
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for (i = 0; i < 16; i++) {
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W[i] = wordArray[blockstart + i];
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}
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for (i = 16; i <= 79; i++) {
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W[i] = _rotLeft(W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16], 1);
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}
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A = H0;
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B = H1;
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C = H2;
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D = H3;
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E = H4;
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for (i = 0; i <= 19; i++) {
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temp = (_rotLeft(A, 5) + ((B & C) | (~B & D)) + E + W[i] + 0x5A827999) & 0x0ffffffff;
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E = D;
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D = C;
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C = _rotLeft(B, 30);
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B = A;
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A = temp;
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}
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for (i = 20; i <= 39; i++) {
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temp = (_rotLeft(A, 5) + (B ^ C ^ D) + E + W[i] + 0x6ED9EBA1) & 0x0ffffffff;
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E = D;
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D = C;
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C = _rotLeft(B, 30);
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B = A;
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A = temp;
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}
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for (i = 40; i <= 59; i++) {
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temp = (_rotLeft(A, 5) + ((B & C) | (B & D) | (C & D)) + E + W[i] + 0x8F1BBCDC) & 0x0ffffffff;
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E = D;
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D = C;
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C = _rotLeft(B, 30);
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B = A;
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A = temp;
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}
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for (i = 60; i <= 79; i++) {
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temp = (_rotLeft(A, 5) + (B ^ C ^ D) + E + W[i] + 0xCA62C1D6) & 0x0ffffffff;
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E = D;
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D = C;
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C = _rotLeft(B, 30);
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B = A;
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A = temp;
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}
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H0 = (H0 + A) & 0x0ffffffff;
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H1 = (H1 + B) & 0x0ffffffff;
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H2 = (H2 + C) & 0x0ffffffff;
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H3 = (H3 + D) & 0x0ffffffff;
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H4 = (H4 + E) & 0x0ffffffff;
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}
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temp = _cvtHex(H0) + _cvtHex(H1) + _cvtHex(H2) + _cvtHex(H3) + _cvtHex(H4);
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return temp.toLowerCase();
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};
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/**
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* RFC4122 compliant UUID v4 generator.
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*/
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RandomGenerator.uuid4 = function () {
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return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, function (c) {
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var r = Math.random() * 16 | 0, v = c === "x" ? r : (r & 0x3 | 0x8);
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return v.toString(16);
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});
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};
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return RandomGenerator;
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}());
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export { RandomGenerator };
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//# sourceMappingURL=RandomGenerator.js.map
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