zcloud-ui
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A Component Library for Vue.js.
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JavaScript
;
exports.__esModule = true;
/**
* SHA256
* @version 2017年03月29日
* @author tot
*/
var SHA256 = function SHA256(s) {
var chrsz = 8;var hexcase = 0;function safe_add(x, y) {
var lsw = (x & 0xFFFF) + (y & 0xFFFF);var msw = (x >> 16) + (y >> 16) + (lsw >> 16);return msw << 16 | lsw & 0xFFFF;
}function S(X, n) {
return X >>> n | X << 32 - n;
}function R(X, n) {
return X >>> n;
}function Ch(x, y, z) {
return x & y ^ ~x & z;
}function Maj(x, y, z) {
return x & y ^ x & z ^ y & z;
}function Sigma0256(x) {
return S(x, 2) ^ S(x, 13) ^ S(x, 22);
}function Sigma1256(x) {
return S(x, 6) ^ S(x, 11) ^ S(x, 25);
}function Gamma0256(x) {
return S(x, 7) ^ S(x, 18) ^ R(x, 3);
}function Gamma1256(x) {
return S(x, 17) ^ S(x, 19) ^ R(x, 10);
}function core_sha256(m, l) {
var K = [0x428A2F98, 0x71374491, 0xB5C0FBCF, 0xE9B5DBA5, 0x3956C25B, 0x59F111F1, 0x923F82A4, 0xAB1C5ED5, 0xD807AA98, 0x12835B01, 0x243185BE, 0x550C7DC3, 0x72BE5D74, 0x80DEB1FE, 0x9BDC06A7, 0xC19BF174, 0xE49B69C1, 0xEFBE4786, 0xFC19DC6, 0x240CA1CC, 0x2DE92C6F, 0x4A7484AA, 0x5CB0A9DC, 0x76F988DA, 0x983E5152, 0xA831C66D, 0xB00327C8, 0xBF597FC7, 0xC6E00BF3, 0xD5A79147, 0x6CA6351, 0x14292967, 0x27B70A85, 0x2E1B2138, 0x4D2C6DFC, 0x53380D13, 0x650A7354, 0x766A0ABB, 0x81C2C92E, 0x92722C85, 0xA2BFE8A1, 0xA81A664B, 0xC24B8B70, 0xC76C51A3, 0xD192E819, 0xD6990624, 0xF40E3585, 0x106AA070, 0x19A4C116, 0x1E376C08, 0x2748774C, 0x34B0BCB5, 0x391C0CB3, 0x4ED8AA4A, 0x5B9CCA4F, 0x682E6FF3, 0x748F82EE, 0x78A5636F, 0x84C87814, 0x8CC70208, 0x90BEFFFA, 0xA4506CEB, 0xBEF9A3F7, 0xC67178F2];var HASH = [0x6A09E667, 0xBB67AE85, 0x3C6EF372, 0xA54FF53A, 0x510E527F, 0x9B05688C, 0x1F83D9AB, 0x5BE0CD19];var W = [,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,];var a, b, c, d, e, f, g, h, i, j;var T1, T2;m[l >> 5] |= 0x80 << 24 - l % 32;m[(l + 64 >> 9 << 4) + 15] = l;for (var i = 0; i < m.length; i += 16) {
a = HASH[0];b = HASH[1];c = HASH[2];d = HASH[3];e = HASH[4];f = HASH[5];g = HASH[6];h = HASH[7];for (var j = 0; j < 64; j += 1) {
if (j < 16) {
W[j] = m[j + i];
} else {
W[j] = safe_add(safe_add(safe_add(Gamma1256(W[j - 2]), W[j - 7]), Gamma0256(W[j - 15])), W[j - 16]);
}T1 = safe_add(safe_add(safe_add(safe_add(h, Sigma1256(e)), Ch(e, f, g)), K[j]), W[j]);T2 = safe_add(Sigma0256(a), Maj(a, b, c));h = g;g = f;f = e;e = safe_add(d, T1);d = c;c = b;b = a;a = safe_add(T1, T2);
}HASH[0] = safe_add(a, HASH[0]);HASH[1] = safe_add(b, HASH[1]);HASH[2] = safe_add(c, HASH[2]);HASH[3] = safe_add(d, HASH[3]);HASH[4] = safe_add(e, HASH[4]);HASH[5] = safe_add(f, HASH[5]);HASH[6] = safe_add(g, HASH[6]);HASH[7] = safe_add(h, HASH[7]);
}return HASH;
}function str2binb(str) {
var bin = Array();var mask = (1 << chrsz) - 1;for (var i = 0; i < str.length * chrsz; i += chrsz) {
bin[i >> 5] |= (str.charCodeAt(i / chrsz) & mask) << 24 - i % 32;
}return bin;
}function Utf8Encode(string) {
string = string.replace(/\r\n/g, "\n");var utftext = "";for (var n = 0; n < string.length; n += 1) {
var c = string.charCodeAt(n);if (c < 128) {
utftext += String.fromCharCode(c);
} else if (c > 127 && c < 2048) {
utftext += String.fromCharCode(c >> 6 | 192);utftext += String.fromCharCode(c & 63 | 128);
} else {
utftext += String.fromCharCode(c >> 12 | 224);utftext += String.fromCharCode(c >> 6 & 63 | 128);utftext += String.fromCharCode(c & 63 | 128);
}
}return utftext;
}function binb2hex(binarray) {
var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";var str = "";for (var i = 0; i < binarray.length * 4; i += 1) {
str += hex_tab.charAt(binarray[i >> 2] >> (3 - i % 4) * 8 + 4 & 0xF) + hex_tab.charAt(binarray[i >> 2] >> (3 - i % 4) * 8 & 0xF);
}return str;
}s = Utf8Encode(s);return binb2hex(core_sha256(str2binb(s), s.length * chrsz));
};
exports.default = SHA256;