github.com/nektos/act@v0.2.63/pkg/runner/testdata/actions/node12/node_modules/uuid/dist/esm-browser/sha1.js (about)

     1  // Adapted from Chris Veness' SHA1 code at
     2  // http://www.movable-type.co.uk/scripts/sha1.html
     3  function f(s, x, y, z) {
     4    switch (s) {
     5      case 0:
     6        return x & y ^ ~x & z;
     7  
     8      case 1:
     9        return x ^ y ^ z;
    10  
    11      case 2:
    12        return x & y ^ x & z ^ y & z;
    13  
    14      case 3:
    15        return x ^ y ^ z;
    16    }
    17  }
    18  
    19  function ROTL(x, n) {
    20    return x << n | x >>> 32 - n;
    21  }
    22  
    23  function sha1(bytes) {
    24    var K = [0x5a827999, 0x6ed9eba1, 0x8f1bbcdc, 0xca62c1d6];
    25    var H = [0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0];
    26  
    27    if (typeof bytes === 'string') {
    28      var msg = unescape(encodeURIComponent(bytes)); // UTF8 escape
    29  
    30      bytes = [];
    31  
    32      for (var i = 0; i < msg.length; ++i) {
    33        bytes.push(msg.charCodeAt(i));
    34      }
    35    } else if (!Array.isArray(bytes)) {
    36      // Convert Array-like to Array
    37      bytes = Array.prototype.slice.call(bytes);
    38    }
    39  
    40    bytes.push(0x80);
    41    var l = bytes.length / 4 + 2;
    42    var N = Math.ceil(l / 16);
    43    var M = new Array(N);
    44  
    45    for (var _i = 0; _i < N; ++_i) {
    46      var arr = new Uint32Array(16);
    47  
    48      for (var j = 0; j < 16; ++j) {
    49        arr[j] = bytes[_i * 64 + j * 4] << 24 | bytes[_i * 64 + j * 4 + 1] << 16 | bytes[_i * 64 + j * 4 + 2] << 8 | bytes[_i * 64 + j * 4 + 3];
    50      }
    51  
    52      M[_i] = arr;
    53    }
    54  
    55    M[N - 1][14] = (bytes.length - 1) * 8 / Math.pow(2, 32);
    56    M[N - 1][14] = Math.floor(M[N - 1][14]);
    57    M[N - 1][15] = (bytes.length - 1) * 8 & 0xffffffff;
    58  
    59    for (var _i2 = 0; _i2 < N; ++_i2) {
    60      var W = new Uint32Array(80);
    61  
    62      for (var t = 0; t < 16; ++t) {
    63        W[t] = M[_i2][t];
    64      }
    65  
    66      for (var _t = 16; _t < 80; ++_t) {
    67        W[_t] = ROTL(W[_t - 3] ^ W[_t - 8] ^ W[_t - 14] ^ W[_t - 16], 1);
    68      }
    69  
    70      var a = H[0];
    71      var b = H[1];
    72      var c = H[2];
    73      var d = H[3];
    74      var e = H[4];
    75  
    76      for (var _t2 = 0; _t2 < 80; ++_t2) {
    77        var s = Math.floor(_t2 / 20);
    78        var T = ROTL(a, 5) + f(s, b, c, d) + e + K[s] + W[_t2] >>> 0;
    79        e = d;
    80        d = c;
    81        c = ROTL(b, 30) >>> 0;
    82        b = a;
    83        a = T;
    84      }
    85  
    86      H[0] = H[0] + a >>> 0;
    87      H[1] = H[1] + b >>> 0;
    88      H[2] = H[2] + c >>> 0;
    89      H[3] = H[3] + d >>> 0;
    90      H[4] = H[4] + e >>> 0;
    91    }
    92  
    93    return [H[0] >> 24 & 0xff, H[0] >> 16 & 0xff, H[0] >> 8 & 0xff, H[0] & 0xff, H[1] >> 24 & 0xff, H[1] >> 16 & 0xff, H[1] >> 8 & 0xff, H[1] & 0xff, H[2] >> 24 & 0xff, H[2] >> 16 & 0xff, H[2] >> 8 & 0xff, H[2] & 0xff, H[3] >> 24 & 0xff, H[3] >> 16 & 0xff, H[3] >> 8 & 0xff, H[3] & 0xff, H[4] >> 24 & 0xff, H[4] >> 16 & 0xff, H[4] >> 8 & 0xff, H[4] & 0xff];
    94  }
    95  
    96  export default sha1;