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
关键词：nodejs开发微信小程序完成密码的加密