var sha1 = function (b) { function k(a) { return g(h(f(a), a.length * 8)) } function d(c) { var a = '', b; for (var d in c) b = c.charCodeAt(d), a += (b >> 4 & 15).toString(16) + (b & 15).toString(16); return a } function e(e) { var c = '', d = -1, a, f; while (++d < e.length) a = e.charCodeAt(d), f = d + 1 < e.length ? e.charCodeAt(d + 1) : 0, 55296 <= a && a <= 56319 && 56320 <= f && f <= 57343 && (a = 65536 + ((a & 1023) << 10) + (f & 1023), d++), a <= 127 ? c += b(a) : a <= 2047 ? c += b(192 | a >> 6 & 31, 128 | a & 63) : a <= 65535 ? c += b(224 | a >> 12 & 15, 128 | a >> 6 & 63, 128 | a & 63) : a <= 2097151 && (c += b(240 | a >> 18 & 7, 128 | a >> 12 & 63, 128 | a >> 6 & 63, 128 | a & 63)); return c } function f(c) { var b = []; for (var a = 0; a < c.length * 8; a += 8)b[a >> 5] |= (c.charCodeAt(a / 8) & 255) << 24 - a % 32; return b } function g(d) { var c = ''; for (var a = 0; a < d.length * 32; a += 8)c += b(d[a >> 5] >> 24 - a % 32 & 255); return c } function h(m, l) { m[l >> 5] |= 128 << 24 - l % 32, m[(l + 64 >> 9 << 4) + 15] = l; var d = [], e = 1732584193, f = -271733879, g = -1732584194, h = 271733878, k = -1009589776; for (var n = 0; n < m.length; n += 16) { var o = e, p = f, q = g, r = h, s = k; for (var b = 0; b < 80; b++) { b < 16 ? d[b] = m[n + b] : d[b] = c(d[b - 3] ^ d[b - 8] ^ d[b - 14] ^ d[b - 16], 1); var t = a(a(c(e, 5), i(b, f, g, h)), a(a(k, d[b]), j(b))); k = h, h = g, g = c(f, 30), f = e, e = t } e = a(e, o), f = a(f, p), g = a(g, q), h = a(h, r), k = a(k, s) } return [e, f, g, h, k] } function i(d, a, b, c) { return d < 20 ? a & b | ~a & c : d < 40 ? a ^ b ^ c : d < 60 ? a & b | a & c | b & c : a ^ b ^ c } function j(a) { return a < 20 ? 1518500249 : a < 40 ? 1859775393 : a < 60 ? -1894007588 : -899497514 } function a(b, c) { var a = (b & 65535) + (c & 65535), d = (b >> 16) + (c >> 16) + (a >> 16); return d << 16 | a & 65535 } function c(a, b) { return a << b | a >>> 32 - b } return b = String.fromCharCode, function (a) { return d(k(e(a))) } }();

module.exports = {
  sha1: sha1
}