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const roc = {}; (function(roc, hexcase, b64pad, chrsz) { roc.sha1 = {}; roc.sha1.hex = function(s) { return binb2hex(core_sha1(str2binb(s), s.length * chrsz)) }; roc.sha1.b64 = function(s) { return binb2b64(core_sha1(str2binb(s), s.length * chrsz)) }; roc.sha1.str = function(s) { return binb2str(core_sha1(str2binb(s), s.length * chrsz)) }; roc.sha1.hamcHex = function(key, data) { return binb2hex(core_hmac_sha1(key, data)) }; roc.sha1.hamcB64 = function(key, data) { return binb2b64(core_hmac_sha1(key, data)) }; roc.sha1.hamcStr = function(key, data) { return binb2str(core_hmac_sha1(key, data)) };
function sha1_vm_test() { return hex_sha1("abc") == "a9993e364706816aba3e25717850c26c9cd0d89d" }
function core_sha1(x, len) { x[len >> 5] |= 128 << (24 - len % 32); x[((len + 64 >> 9) << 4) + 15] = len; var w = Array(80), a = 1732584193; var b = -271733879, c = -1732584194; var d = 271733878, e = -1009589776; for (var i = 0; i < x.length; i += 16) { var olda = a, oldb = b, oldc = c, oldd = d, olde = e; for (var j = 0; j < 80; j++) { if (j < 16) { w[j] = x[i + j] } else { w[j] = rol(w[j - 3] ^ w[j - 8] ^ w[j - 14] ^ w[j - 16], 1) } var p1 = safe_add(rol(a, 5), sha1_ft(j, b, c, d)); var p2 = safe_add(safe_add(e, w[j]), sha1_kt(j)); var t = safe_add(p1, p2); e = d; d = c; c = rol(b, 30); b = a; a = t } a = safe_add(a, olda); b = safe_add(b, oldb); c = safe_add(c, oldc); d = safe_add(d, oldd); e = safe_add(e, olde) } return Array(a, b, c, d, e) }
function sha1_ft(t, b, c, d) { if (t < 20) { return (b & c) | ((~b) & d) } if (t < 40) { return b ^ c ^ d } if (t < 60) { return (b & c) | (b & d) | (c & d) } return b ^ c ^ d }
function sha1_kt(t) { return (t < 20) ? 1518500249 : (t < 40) ? 1859775393 : (t < 60) ? -1894007588 : -899497514 }
function core_hmac_sha1(key, data) { var bkey = str2binb(key); if (bkey.length > 16) { bkey = core_sha1(bkey, key.length * chrsz) } var ipad = Array(16), opad = Array(16); for (var i = 0; i < 16; i++) { ipad[i] = bkey[i] ^ 909522486; opad[i] = bkey[i] ^ 1549556828 } var hash = core_sha1(ipad.concat(str2binb(data)), 512 + data.length * chrsz); return core_sha1(opad.concat(hash), 512 + 160) }
function safe_add(x, y) { var lsw = (x & 65535) + (y & 65535); var msw = (x >> 16) + (y >> 16) + (lsw >> 16); return (msw << 16) | (lsw & 65535) }
function rol(num, cnt) { return (num << cnt) | (num >>> (32 - cnt)) }
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) << (32 - chrsz - i % 32) } return bin }
function binb2str(bin) { var str = ""; var mask = (1 << chrsz) - 1; for (var i = 0; i < bin.length * 32; i += chrsz) { str += String.fromCharCode((bin[i >> 5] >>> (32 - chrsz - i % 32)) & mask) } return str }
function binb2hex(binarray) { var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef"; var str = ""; for (var i = 0; i < binarray.length * 4; i++) { str += hex_tab.charAt((binarray[i >> 2] >> ((3 - i % 4) * 8 + 4)) & 15) + hex_tab.charAt((binarray[i >> 2] >> ((3 - i % 4) * 8)) & 15) } return str }
function binb2b64(binarray) { var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; var str = ""; for (var i = 0; i < binarray.length * 4; i += 3) { var triplet = (((binarray[i >> 2] >> 8 * (3 - i % 4)) & 255) << 16) | (((binarray[i + 1 >> 2] >> 8 * ( 3 - (i + 1) % 4)) & 255) << 8) | ((binarray[i + 2 >> 2] >> 8 * (3 - (i + 2) % 4)) & 255); for (var j = 0; j < 4; j++) { if (i * 8 + j * 6 > binarray.length * 32) { str += b64pad } else { str += tab.charAt((triplet >> 6 * (3 - j)) & 63) } } } return str } })(roc, 0, "=", 8); export default roc;
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