字符串的解密过程还是有一定的味道。
测试字符串: ziRA1E3B9pA5B-11D-11xg1A3ZB5D1D4B-11ED2EG2pdeoC1clIH4wB-22yQD5uF4YE3E3A9==
function parseSingleChar(e) { for (var t = e.toString(), n = 0, r = 0; r < t.length; r++) n += parseInt(t.charAt(r), 10) return 10 < n ? (n % 9) + 1 : n } function parseCalc(e, t, n) { for (var r = Math.abs(n); 0 < r--; ) e -= t return n < 0 && (e += 123), e } function decode(e) { if (!e) return e for ( var t = '', n = 'charCodeAt', r = 'fromCharCode', a = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'.indexOf( e[0] ), o = 1; o < e.length - 2; o++ ) { for ( var i = parseSingleChar(++a), s = e[n](o), l = ''; /[0-9-]/.test(e[o + 1]); ) l += e[++o] ;(s = parseCalc(s, i, (l = parseInt(l, 10) || 0))), (s ^= (a - 1) & 31), (t += String[r](s)) } return t }