diff --git a/utils.js b/utils.js index 925e4b7..6e61534 100644 --- a/utils.js +++ b/utils.js @@ -18,10 +18,17 @@ module.exports = { local_month_two: local_month_two, local_day: local_day, local_day_two: local_day_two, - MD5Encrypt: MD5Encrypt, yiyan: yiyan, wait: wait, httpRequest: httpRequest, + + base64_encode: base64_encode, + base64_decode: base64_decode, + MD5_Encrypt: MD5_Encrypt, + SHA256_Encrypt: SHA256_Encrypt, + SHA1_Encrypt: SHA1_Encrypt, + RSA_Encrypt: RSA_Encrypt, + }; var request = require("request"); @@ -319,7 +326,107 @@ function local_day_two() { return d; } + +/** + * RSA公钥加密 传参(数据,key) , 返回 base64格式 + */ +function RSA_Encrypt(msg, key) { + global.navigator = { appName: 'nodejs' }; // fake the navigator object + global.window = {}; // fake the window object + const JSEncrypt = require('jsencrypt') + let enc = new JSEncrypt(); + enc.setPublicKey(key) + return enc.encrypt(msg).toString(); +} + +/** + * base64 编码 + */ +function base64_encode(data) { + let a = Buffer.from(data, 'utf-8').toString('base64') + return a +} +/** + * base64 解码 + */ +function base64_decode(data) { + let a = Buffer.from(data, 'base64').toString('utf8') + return a +} + + +/** + * SHA1 加密 + */ +function SHA1_Encrypt(s) { + var data = new Uint8Array(encodeUTF8(s)) + var i, j, t; + var l = ((data.length + 8) >>> 6 << 4) + 16, s = new Uint8Array(l << 2); + s.set(new Uint8Array(data.buffer)), s = new Uint32Array(s.buffer); + for (t = new DataView(s.buffer), i = 0; i < l; i++)s[i] = t.getUint32(i << 2); + s[data.length >> 2] |= 0x80 << (24 - (data.length & 3) * 8); + s[l - 1] = data.length << 3; + var w = [], f = [ + function () { return m[1] & m[2] | ~m[1] & m[3]; }, + function () { return m[1] ^ m[2] ^ m[3]; }, + function () { return m[1] & m[2] | m[1] & m[3] | m[2] & m[3]; }, + function () { return m[1] ^ m[2] ^ m[3]; } + ], rol = function (n, c) { return n << c | n >>> (32 - c); }, + k = [1518500249, 1859775393, -1894007588, -899497514], + m = [1732584193, -271733879, null, null, -1009589776]; + m[2] = ~m[0], m[3] = ~m[1]; + for (i = 0; i < s.length; i += 16) { + var o = m.slice(0); + for (j = 0; j < 80; j++) + w[j] = j < 16 ? s[i + j] : rol(w[j - 3] ^ w[j - 8] ^ w[j - 14] ^ w[j - 16], 1), + t = rol(m[0], 5) + f[j / 20 | 0]() + m[4] + w[j] + k[j / 20 | 0] | 0, + m[1] = rol(m[1], 30), m.pop(), m.unshift(t); + for (j = 0; j < 5; j++)m[j] = m[j] + o[j] | 0; + }; + t = new DataView(new Uint32Array(m).buffer); + for (var i = 0; i < 5; i++)m[i] = t.getUint32(i << 2); + + var hex = Array.prototype.map.call(new Uint8Array(new Uint32Array(m).buffer), function (e) { + return (e < 16 ? "0" : "") + e.toString(16); + }).join(""); + return hex; +} +function encodeUTF8(s) { + var i, r = [], c, x; + for (i = 0; i < s.length; i++) + if ((c = s.charCodeAt(i)) < 0x80) r.push(c); + else if (c < 0x800) r.push(0xC0 + (c >> 6 & 0x1F), 0x80 + (c & 0x3F)); + else { + if ((x = c ^ 0xD800) >> 10 == 0) //对四字节UTF-16转换为Unicode + c = (x << 10) + (s.charCodeAt(++i) ^ 0xDC00) + 0x10000, + r.push(0xF0 + (c >> 18 & 0x7), 0x80 + (c >> 12 & 0x3F)); + else r.push(0xE0 + (c >> 12 & 0xF)); + r.push(0x80 + (c >> 6 & 0x3F), 0x80 + (c & 0x3F)); + }; + return r; +} + + + + + + +/** + * SHA256 加密 + */ +function SHA256_Encrypt(data) { + sha256_init(); + sha256_update(data, data.length); + sha256_final(); + return sha256_encode_hex(); +} +/* SHA256 logical functions */ function rotateRight(n, x) { return (x >>> n) | (x << (32 - n)); } function choice(x, y, z) { return (x & y) ^ (~x & z); } function majority(x, y, z) { return (x & y) ^ (x & z) ^ (y & z); } function sha256_Sigma0(x) { return rotateRight(2, x) ^ rotateRight(13, x) ^ rotateRight(22, x); } function sha256_Sigma1(x) { return rotateRight(6, x) ^ rotateRight(11, x) ^ rotateRight(25, x); } function sha256_sigma0(x) { return rotateRight(7, x) ^ rotateRight(18, x) ^ (x >>> 3); } function sha256_sigma1(x) { return rotateRight(17, x) ^ rotateRight(19, x) ^ (x >>> 10); } function sha256_expand(W, j) { return (W[j & 0x0f] += sha256_sigma1(W[(j + 14) & 0x0f]) + W[(j + 9) & 0x0f] + sha256_sigma0(W[(j + 1) & 0x0f])); } /* Hash constant words K: */ var K256 = new Array(0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5, 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 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); /* global arrays */ var ihash, count, buffer; var sha256_hex_digits = "0123456789abcdef"; /* Add 32-bit integers with 16-bit operations (bug in some JS-interpreters: overflow) */ function safe_add(x, y) { var lsw = (x & 0xffff) + (y & 0xffff); var msw = (x >> 16) + (y >> 16) + (lsw >> 16); return (msw << 16) | (lsw & 0xffff); } /* Initialise the SHA256 computation */ function sha256_init() { ihash = new Array(8); count = new Array(2); buffer = new Array(64); count[0] = count[1] = 0; ihash[0] = 0x6a09e667; ihash[1] = 0xbb67ae85; ihash[2] = 0x3c6ef372; ihash[3] = 0xa54ff53a; ihash[4] = 0x510e527f; ihash[5] = 0x9b05688c; ihash[6] = 0x1f83d9ab; ihash[7] = 0x5be0cd19; } /* Transform a 512-bit message block */ function sha256_transform() { var a, b, c, d, e, f, g, h, T1, T2; var W = new Array(16); /* Initialize registers with the previous intermediate value */ a = ihash[0]; b = ihash[1]; c = ihash[2]; d = ihash[3]; e = ihash[4]; f = ihash[5]; g = ihash[6]; h = ihash[7]; /* make 32-bit words */ for (var i = 0; i < 16; i++) W[i] = buffer[(i << 2) + 3] | (buffer[(i << 2) + 2] << 8) | (buffer[(i << 2) + 1] << 16) | (buffer[i << 2] << 24); for (var j = 0; j < 64; j++) { T1 = h + sha256_Sigma1(e) + choice(e, f, g) + K256[j]; if (j < 16) T1 += W[j]; else T1 += sha256_expand(W, j); T2 = sha256_Sigma0(a) + majority(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); } /* Compute the current intermediate hash value */ ihash[0] += a; ihash[1] += b; ihash[2] += c; ihash[3] += d; ihash[4] += e; ihash[5] += f; ihash[6] += g; ihash[7] += h; } /* Read the next chunk of data and update the SHA256 computation */ function sha256_update(data, inputLen) { var i, index, curpos = 0; /* Compute number of bytes mod 64 */ index = (count[0] >> 3) & 0x3f; var remainder = inputLen & 0x3f; /* Update number of bits */ if ((count[0] += inputLen << 3) < inputLen << 3) count[1]++; count[1] += inputLen >> 29; /* Transform as many times as possible */ for (i = 0; i + 63 < inputLen; i += 64) { for (var j = index; j < 64; j++) buffer[j] = data.charCodeAt(curpos++); sha256_transform(); index = 0; } /* Buffer remaining input */ for (var j = 0; j < remainder; j++) buffer[j] = data.charCodeAt(curpos++); } /* Finish the computation by operations such as padding */ function sha256_final() { var index = (count[0] >> 3) & 0x3f; buffer[index++] = 0x80; if (index <= 56) { for (var i = index; i < 56; i++) buffer[i] = 0; } else { for (var i = index; i < 64; i++) buffer[i] = 0; sha256_transform(); for (var i = 0; i < 56; i++) buffer[i] = 0; } buffer[56] = (count[1] >>> 24) & 0xff; buffer[57] = (count[1] >>> 16) & 0xff; buffer[58] = (count[1] >>> 8) & 0xff; buffer[59] = count[1] & 0xff; buffer[60] = (count[0] >>> 24) & 0xff; buffer[61] = (count[0] >>> 16) & 0xff; buffer[62] = (count[0] >>> 8) & 0xff; buffer[63] = count[0] & 0xff; sha256_transform(); } /* Split the internal hash values into an array of bytes */ function sha256_encode_bytes() { var j = 0; var output = new Array(32); for (var i = 0; i < 8; i++) { output[j++] = (ihash[i] >>> 24) & 0xff; output[j++] = (ihash[i] >>> 16) & 0xff; output[j++] = (ihash[i] >>> 8) & 0xff; output[j++] = ihash[i] & 0xff; } return output; } /* Get the internal hash as a hex string */ function sha256_encode_hex() { var output = new String(); for (var i = 0; i < 8; i++) { for (var j = 28; j >= 0; j -= 4) output += sha256_hex_digits.charAt((ihash[i] >>> j) & 0x0f); } return output; } + + + + + /** * md5 加密 */ -function MD5Encrypt(a) { function b(a, b) { return (a << b) | (a >>> (32 - b)); } function c(a, b) { var c, d, e, f, g; return ((e = 2147483648 & a), (f = 2147483648 & b), (c = 1073741824 & a), (d = 1073741824 & b), (g = (1073741823 & a) + (1073741823 & b)), c & d ? 2147483648 ^ g ^ e ^ f : c | d ? 1073741824 & g ? 3221225472 ^ g ^ e ^ f : 1073741824 ^ g ^ e ^ f : g ^ e ^ f); } function d(a, b, c) { return (a & b) | (~a & c); } function e(a, b, c) { return (a & c) | (b & ~c); } function f(a, b, c) { return a ^ b ^ c; } function g(a, b, c) { return b ^ (a | ~c); } function h(a, e, f, g, h, i, j) { return (a = c(a, c(c(d(e, f, g), h), j))), c(b(a, i), e); } function i(a, d, f, g, h, i, j) { return (a = c(a, c(c(e(d, f, g), h), j))), c(b(a, i), d); } function j(a, d, e, g, h, i, j) { return (a = c(a, c(c(f(d, e, g), h), j))), c(b(a, i), d); } function k(a, d, e, f, h, i, j) { return (a = c(a, c(c(g(d, e, f), h), j))), c(b(a, i), d); } function l(a) { for (var b, c = a.length, d = c + 8, e = (d - (d % 64)) / 64, f = 16 * (e + 1), g = new Array(f - 1), h = 0, i = 0; c > i;) (b = (i - (i % 4)) / 4), (h = (i % 4) * 8), (g[b] = g[b] | (a.charCodeAt(i) << h)), i++; return ((b = (i - (i % 4)) / 4), (h = (i % 4) * 8), (g[b] = g[b] | (128 << h)), (g[f - 2] = c << 3), (g[f - 1] = c >>> 29), g); } function m(a) { var b, c, d = "", e = ""; for (c = 0; 3 >= c; c++) (b = (a >>> (8 * c)) & 255), (e = "0" + b.toString(16)), (d += e.substr(e.length - 2, 2)); return d; } function n(a) { a = a.replace(/\r\n/g, "\n"); for (var b = "", c = 0; c < a.length; c++) { var d = a.charCodeAt(c); 128 > d ? (b += String.fromCharCode(d)) : d > 127 && 2048 > d ? ((b += String.fromCharCode((d >> 6) | 192)), (b += String.fromCharCode((63 & d) | 128))) : ((b += String.fromCharCode((d >> 12) | 224)), (b += String.fromCharCode(((d >> 6) & 63) | 128)), (b += String.fromCharCode((63 & d) | 128))); } return b; } var o, p, q, r, s, t, u, v, w, x = [], y = 7, z = 12, A = 17, B = 22, C = 5, D = 9, E = 14, F = 20, G = 4, H = 11, I = 16, J = 23, K = 6, L = 10, M = 15, N = 21; for (a = n(a), x = l(a), t = 1732584193, u = 4023233417, v = 2562383102, w = 271733878, o = 0; o < x.length; o += 16) (p = t), (q = u), (r = v), (s = w), (t = h(t, u, v, w, x[o + 0], y, 3614090360)), (w = h(w, t, u, v, x[o + 1], z, 3905402710)), (v = h(v, w, t, u, x[o + 2], A, 606105819)), (u = h(u, v, w, t, x[o + 3], B, 3250441966)), (t = h(t, u, v, w, x[o + 4], y, 4118548399)), (w = h(w, t, u, v, x[o + 5], z, 1200080426)), (v = h(v, w, t, u, x[o + 6], A, 2821735955)), (u = h(u, v, w, t, x[o + 7], B, 4249261313)), (t = h(t, u, v, w, x[o + 8], y, 1770035416)), (w = h(w, t, u, v, x[o + 9], z, 2336552879)), (v = h(v, w, t, u, x[o + 10], A, 4294925233)), (u = h(u, v, w, t, x[o + 11], B, 2304563134)), (t = h(t, u, v, w, x[o + 12], y, 1804603682)), (w = h(w, t, u, v, x[o + 13], z, 4254626195)), (v = h(v, w, t, u, x[o + 14], A, 2792965006)), (u = h(u, v, w, t, x[o + 15], B, 1236535329)), (t = i(t, u, v, w, x[o + 1], C, 4129170786)), (w = i(w, t, u, v, x[o + 6], D, 3225465664)), (v = i(v, w, t, u, x[o + 11], E, 643717713)), (u = i(u, v, w, t, x[o + 0], F, 3921069994)), (t = i(t, u, v, w, x[o + 5], C, 3593408605)), (w = i(w, t, u, v, x[o + 10], D, 38016083)), (v = i(v, w, t, u, x[o + 15], E, 3634488961)), (u = i(u, v, w, t, x[o + 4], F, 3889429448)), (t = i(t, u, v, w, x[o + 9], C, 568446438)), (w = i(w, t, u, v, x[o + 14], D, 3275163606)), (v = i(v, w, t, u, x[o + 3], E, 4107603335)), (u = i(u, v, w, t, x[o + 8], F, 1163531501)), (t = i(t, u, v, w, x[o + 13], C, 2850285829)), (w = i(w, t, u, v, x[o + 2], D, 4243563512)), (v = i(v, w, t, u, x[o + 7], E, 1735328473)), (u = i(u, v, w, t, x[o + 12], F, 2368359562)), (t = j(t, u, v, w, x[o + 5], G, 4294588738)), (w = j(w, t, u, v, x[o + 8], H, 2272392833)), (v = j(v, w, t, u, x[o + 11], I, 1839030562)), (u = j(u, v, w, t, x[o + 14], J, 4259657740)), (t = j(t, u, v, w, x[o + 1], G, 2763975236)), (w = j(w, t, u, v, x[o + 4], H, 1272893353)), (v = j(v, w, t, u, x[o + 7], I, 4139469664)), (u = j(u, v, w, t, x[o + 10], J, 3200236656)), (t = j(t, u, v, w, x[o + 13], G, 681279174)), (w = j(w, t, u, v, x[o + 0], H, 3936430074)), (v = j(v, w, t, u, x[o + 3], I, 3572445317)), (u = j(u, v, w, t, x[o + 6], J, 76029189)), (t = j(t, u, v, w, x[o + 9], G, 3654602809)), (w = j(w, t, u, v, x[o + 12], H, 3873151461)), (v = j(v, w, t, u, x[o + 15], I, 530742520)), (u = j(u, v, w, t, x[o + 2], J, 3299628645)), (t = k(t, u, v, w, x[o + 0], K, 4096336452)), (w = k(w, t, u, v, x[o + 7], L, 1126891415)), (v = k(v, w, t, u, x[o + 14], M, 2878612391)), (u = k(u, v, w, t, x[o + 5], N, 4237533241)), (t = k(t, u, v, w, x[o + 12], K, 1700485571)), (w = k(w, t, u, v, x[o + 3], L, 2399980690)), (v = k(v, w, t, u, x[o + 10], M, 4293915773)), (u = k(u, v, w, t, x[o + 1], N, 2240044497)), (t = k(t, u, v, w, x[o + 8], K, 1873313359)), (w = k(w, t, u, v, x[o + 15], L, 4264355552)), (v = k(v, w, t, u, x[o + 6], M, 2734768916)), (u = k(u, v, w, t, x[o + 13], N, 1309151649)), (t = k(t, u, v, w, x[o + 4], K, 4149444226)), (w = k(w, t, u, v, x[o + 11], L, 3174756917)), (v = k(v, w, t, u, x[o + 2], M, 718787259)), (u = k(u, v, w, t, x[o + 9], N, 3951481745)), (t = c(t, p)), (u = c(u, q)), (v = c(v, r)), (w = c(w, s)); var O = m(t) + m(u) + m(v) + m(w); return O.toLowerCase(); } \ No newline at end of file +function MD5_Encrypt(a) { function b(a, b) { return (a << b) | (a >>> (32 - b)); } function c(a, b) { var c, d, e, f, g; return ((e = 2147483648 & a), (f = 2147483648 & b), (c = 1073741824 & a), (d = 1073741824 & b), (g = (1073741823 & a) + (1073741823 & b)), c & d ? 2147483648 ^ g ^ e ^ f : c | d ? 1073741824 & g ? 3221225472 ^ g ^ e ^ f : 1073741824 ^ g ^ e ^ f : g ^ e ^ f); } function d(a, b, c) { return (a & b) | (~a & c); } function e(a, b, c) { return (a & c) | (b & ~c); } function f(a, b, c) { return a ^ b ^ c; } function g(a, b, c) { return b ^ (a | ~c); } function h(a, e, f, g, h, i, j) { return (a = c(a, c(c(d(e, f, g), h), j))), c(b(a, i), e); } function i(a, d, f, g, h, i, j) { return (a = c(a, c(c(e(d, f, g), h), j))), c(b(a, i), d); } function j(a, d, e, g, h, i, j) { return (a = c(a, c(c(f(d, e, g), h), j))), c(b(a, i), d); } function k(a, d, e, f, h, i, j) { return (a = c(a, c(c(g(d, e, f), h), j))), c(b(a, i), d); } function l(a) { for (var b, c = a.length, d = c + 8, e = (d - (d % 64)) / 64, f = 16 * (e + 1), g = new Array(f - 1), h = 0, i = 0; c > i;) (b = (i - (i % 4)) / 4), (h = (i % 4) * 8), (g[b] = g[b] | (a.charCodeAt(i) << h)), i++; return ((b = (i - (i % 4)) / 4), (h = (i % 4) * 8), (g[b] = g[b] | (128 << h)), (g[f - 2] = c << 3), (g[f - 1] = c >>> 29), g); } function m(a) { var b, c, d = "", e = ""; for (c = 0; 3 >= c; c++) (b = (a >>> (8 * c)) & 255), (e = "0" + b.toString(16)), (d += e.substr(e.length - 2, 2)); return d; } function n(a) { a = a.replace(/\r\n/g, "\n"); for (var b = "", c = 0; c < a.length; c++) { var d = a.charCodeAt(c); 128 > d ? (b += String.fromCharCode(d)) : d > 127 && 2048 > d ? ((b += String.fromCharCode((d >> 6) | 192)), (b += String.fromCharCode((63 & d) | 128))) : ((b += String.fromCharCode((d >> 12) | 224)), (b += String.fromCharCode(((d >> 6) & 63) | 128)), (b += String.fromCharCode((63 & d) | 128))); } return b; } var o, p, q, r, s, t, u, v, w, x = [], y = 7, z = 12, A = 17, B = 22, C = 5, D = 9, E = 14, F = 20, G = 4, H = 11, I = 16, J = 23, K = 6, L = 10, M = 15, N = 21; for (a = n(a), x = l(a), t = 1732584193, u = 4023233417, v = 2562383102, w = 271733878, o = 0; o < x.length; o += 16) (p = t), (q = u), (r = v), (s = w), (t = h(t, u, v, w, x[o + 0], y, 3614090360)), (w = h(w, t, u, v, x[o + 1], z, 3905402710)), (v = h(v, w, t, u, x[o + 2], A, 606105819)), (u = h(u, v, w, t, x[o + 3], B, 3250441966)), (t = h(t, u, v, w, x[o + 4], y, 4118548399)), (w = h(w, t, u, v, x[o + 5], z, 1200080426)), (v = h(v, w, t, u, x[o + 6], A, 2821735955)), (u = h(u, v, w, t, x[o + 7], B, 4249261313)), (t = h(t, u, v, w, x[o + 8], y, 1770035416)), (w = h(w, t, u, v, x[o + 9], z, 2336552879)), (v = h(v, w, t, u, x[o + 10], A, 4294925233)), (u = h(u, v, w, t, x[o + 11], B, 2304563134)), (t = h(t, u, v, w, x[o + 12], y, 1804603682)), (w = h(w, t, u, v, x[o + 13], z, 4254626195)), (v = h(v, w, t, u, x[o + 14], A, 2792965006)), (u = h(u, v, w, t, x[o + 15], B, 1236535329)), (t = i(t, u, v, w, x[o + 1], C, 4129170786)), (w = i(w, t, u, v, x[o + 6], D, 3225465664)), (v = i(v, w, t, u, x[o + 11], E, 643717713)), (u = i(u, v, w, t, x[o + 0], F, 3921069994)), (t = i(t, u, v, w, x[o + 5], C, 3593408605)), (w = i(w, t, u, v, x[o + 10], D, 38016083)), (v = i(v, w, t, u, x[o + 15], E, 3634488961)), (u = i(u, v, w, t, x[o + 4], F, 3889429448)), (t = i(t, u, v, w, x[o + 9], C, 568446438)), (w = i(w, t, u, v, x[o + 14], D, 3275163606)), (v = i(v, w, t, u, x[o + 3], E, 4107603335)), (u = i(u, v, w, t, x[o + 8], F, 1163531501)), (t = i(t, u, v, w, x[o + 13], C, 2850285829)), (w = i(w, t, u, v, x[o + 2], D, 4243563512)), (v = i(v, w, t, u, x[o + 7], E, 1735328473)), (u = i(u, v, w, t, x[o + 12], F, 2368359562)), (t = j(t, u, v, w, x[o + 5], G, 4294588738)), (w = j(w, t, u, v, x[o + 8], H, 2272392833)), (v = j(v, w, t, u, x[o + 11], I, 1839030562)), (u = j(u, v, w, t, x[o + 14], J, 4259657740)), (t = j(t, u, v, w, x[o + 1], G, 2763975236)), (w = j(w, t, u, v, x[o + 4], H, 1272893353)), (v = j(v, w, t, u, x[o + 7], I, 4139469664)), (u = j(u, v, w, t, x[o + 10], J, 3200236656)), (t = j(t, u, v, w, x[o + 13], G, 681279174)), (w = j(w, t, u, v, x[o + 0], H, 3936430074)), (v = j(v, w, t, u, x[o + 3], I, 3572445317)), (u = j(u, v, w, t, x[o + 6], J, 76029189)), (t = j(t, u, v, w, x[o + 9], G, 3654602809)), (w = j(w, t, u, v, x[o + 12], H, 3873151461)), (v = j(v, w, t, u, x[o + 15], I, 530742520)), (u = j(u, v, w, t, x[o + 2], J, 3299628645)), (t = k(t, u, v, w, x[o + 0], K, 4096336452)), (w = k(w, t, u, v, x[o + 7], L, 1126891415)), (v = k(v, w, t, u, x[o + 14], M, 2878612391)), (u = k(u, v, w, t, x[o + 5], N, 4237533241)), (t = k(t, u, v, w, x[o + 12], K, 1700485571)), (w = k(w, t, u, v, x[o + 3], L, 2399980690)), (v = k(v, w, t, u, x[o + 10], M, 4293915773)), (u = k(u, v, w, t, x[o + 1], N, 2240044497)), (t = k(t, u, v, w, x[o + 8], K, 1873313359)), (w = k(w, t, u, v, x[o + 15], L, 4264355552)), (v = k(v, w, t, u, x[o + 6], M, 2734768916)), (u = k(u, v, w, t, x[o + 13], N, 1309151649)), (t = k(t, u, v, w, x[o + 4], K, 4149444226)), (w = k(w, t, u, v, x[o + 11], L, 3174756917)), (v = k(v, w, t, u, x[o + 2], M, 718787259)), (u = k(u, v, w, t, x[o + 9], N, 3951481745)), (t = c(t, p)), (u = c(u, q)), (v = c(v, r)), (w = c(w, s)); var O = m(t) + m(u) + m(v) + m(w); return O.toLowerCase(); } \ No newline at end of file