Function md51_array

static/webuploader/webuploader.js:7137–7183

(a)

        },
    
        md51_array = function (a) {
            var n = a.length,
                state = [1732584193, -271733879, -1732584194, 271733878],
                i,
                length,
                tail,
                tmp,
                lo,
                hi;
    
            for (i = 64; i <= n; i += 64) {
                md5cycle(state, md5blk_array(a.subarray(i - 64, i)));
            }
    
            // Not sure if it is a bug, however IE10 will always produce a sub array of length 1
            // containing the last element of the parent array if the sub array specified starts
            // beyond the length of the parent array - weird.
            // https://connect.microsoft.com/IE/feedback/details/771452/typed-array-subarray-issue
            a = (i - 64) < n ? a.subarray(i - 64) : new Uint8Array(0);
    
            length = a.length;
            tail = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
            for (i = 0; i < length; i += 1) {
                tail[i >> 2] |= a[i] << ((i % 4) << 3);
            }
    
            tail[i >> 2] |= 0x80 << ((i % 4) << 3);
            if (i > 55) {
                md5cycle(state, tail);
                for (i = 0; i < 16; i += 1) {
                    tail[i] = 0;
                }
            }
    
            // Beware that the final length might not fit in 32 bits so we take care of that
            tmp = n * 8;
            tmp = tmp.toString(16).match(/(.*?)(.{0,8})$/);
            lo = parseInt(tmp[2], 16);
            hi = parseInt(tmp[1], 16) || 0;
    
            tail[14] = lo;
            tail[15] = hi;
    
            md5cycle(state, tail);
    
            return state;
        },
    
        hex_chr = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'],