if (oldpwd != "") {
userPwd = encrypt.encrypt(oldpwd);
}
else {
userPwd = encrypt.encrypt($("#loginpwd").val());
}
if (userPwd != $("#loginpwd").val()) {
userPwd = encrypt.encrypt($("#loginpwd").val());
oldpwd = $("#loginpwd").val();
$("#loginpwd").val(userPwd);
}
由于我常年做winfrom代码，对js读码一半靠蒙，认为重点是encrypt.encrypt的函数中。
然后再靠蒙追到了/script/jsencrypt.min.js中的代码。看了里面代码我就没法蒙了。
有两问题，1、我找不到和encrypt.encrypt对应的函数，2、这段代码如何用c#摸拟写一遍
由于/script/jsencrypt.min.js代码量很长，我在本楼发代码，如果发不完，接着楼下发，谢谢各位高手
var JSEncryptExports = {}; (function(exports) {
function BigInteger(a, b, c) {
null != a && ("number" == typeof a ? this.fromNumber(a, b, c) : null == b && "string" != typeof a ? this.fromString(a, 256) : this.fromString(a, b))
}
function nbi() {
return new BigInteger(null)
}
function am1(a, b, c, d, e, f) {
for (; --f >= 0;) {
var g = b * this[a++] + c[d] + e;
e = Math.floor(g / 67108864),
c[d++] = 67108863 & g
}
return e
}
function am2(a, b, c, d, e, f) {
for (var g = 32767 & b,
h = b >> 15; --f >= 0;) {
var i = 32767 & this[a],
j = this[a++] >> 15,
k = h * i + j * g;
i = g * i + ((32767 & k) << 15) + c[d] + (1073741823 & e),
e = (i >>> 30) + (k >>> 15) + h * j + (e >>> 30),
c[d++] = 1073741823 & i
}
return e
}
function am3(a, b, c, d, e, f) {
for (var g = 16383 & b,
h = b >> 14; --f >= 0;) {
var i = 16383 & this[a],
j = this[a++] >> 14,
k = h * i + j * g;
i = g * i + ((16383 & k) << 14) + c[d] + e,
e = (i >> 28) + (k >> 14) + h * j,
c[d++] = 268435455 & i
}
return e
}
function int2char(a) {
return BI_RM.charAt(a)
}
function intAt(a, b) {
var c = BI_RC[a.charCodeAt(b)];
return null == c ? -1 : c
}
function bnpCopyTo(a) {
for (var b = this.t - 1; b >= 0; --b) a[b] = this[b];
a.t = this.t,
a.s = this.s
}
function bnpFromInt(a) {
this.t = 1,
this.s = 0 > a ? -1 : 0,
a > 0 ? this[0] = a: -1 > a ? this[0] = a + DV: this.t = 0
}
function nbv(a) {
var b = nbi();
return b.fromInt(a),
b
}
function bnpFromString(a, b) {
var c;
if (16 == b) c = 4;
else if (8 == b) c = 3;
else if (256 == b) c = 8;
else if (2 == b) c = 1;
else if (32 == b) c = 5;
else {
if (4 != b) return void this.fromRadix(a, b);
c = 2
}
this.t = 0,
this.s = 0;
for (var d = a.length,
e = !1,
f = 0; --d >= 0;) {
var g = 8 == c ? 255 & a[d] : intAt(a, d);
0 > g ? "-" == a.charAt(d) && (e = !0) : (e = !1, 0 == f ? this[this.t++] = g: f + c > this.DB ? (this[this.t - 1] |= (g & (1 << this.DB - f) - 1) << f, this[this.t++] = g >> this.DB - f) : this[this.t - 1] |= g << f, f += c, f >= this.DB && (f -= this.DB))
}
8 == c && 0 != (128 & a[0]) && (this.s = -1, f > 0 && (this[this.t - 1] |= (1 << this.DB - f) - 1 << f)),
this.clamp(),
e && BigInteger.ZERO.subTo(this, this)
}
function bnpClamp() {
for (var a = this.s & this.DM; this.t > 0 && this[this.t - 1] == a;)--this.t
}
function bnToString(a) {
if (this.s < 0) return "-" + this.negate().toString(a);
var b;
if (16 == a) b = 4;
else if (8 == a) b = 3;
else if (2 == a) b = 1;
else if (32 == a) b = 5;
else {
if (4 != a) return this.toRadix(a);
b = 2
}
var c, d = (1 << b) - 1,
e = !1,
f = "",
g = this.t,
h = this.DB - g * this.DB % b;
if (g-->0) for (h < this.DB && (c = this[g] >> h) > 0 && (e = !0, f = int2char(c)); g >= 0;) b > h ? (c = (this[g] & (1 << h) - 1) << b - h, c |= this[--g] >> (h += this.DB - b)) : (c = this[g] >> (h -= b) & d, 0 >= h && (h += this.DB, --g)),
c > 0 && (e = !0),
e && (f += int2char(c));
return e ? f: "0"
}
function bnNegate() {
var a = nbi();
return BigInteger.ZERO.subTo(this, a),
a
}
function bnAbs() {
return this.s < 0 ? this.negate() : this
}
function bnCompareTo(a) {
var b = this.s - a.s;
if (0 != b) return b;
var c = this.t;
if (b = c - a.t, 0 != b) return this.s < 0 ? -b: b;
for (; --c >= 0;) if (0 != (b = this[c] - a[c])) return b;
return 0
}
function nbits(a) {
var b, c = 1;
return 0 != (b = a >>> 16) && (a = b, c += 16),
0 != (b = a >> 8) && (a = b, c += 8),
0 != (b = a >> 4) && (a = b, c += 4),
0 != (b = a >> 2) && (a = b, c += 2),
0 != (b = a >> 1) && (a = b, c += 1),
c
}
function bnBitLength() {
return this.t <= 0 ? 0 : this.DB * (this.t - 1) + nbits(this[this.t - 1] ^ this.s & this.DM)
}
function bnpDLShiftTo(a, b) {
var c;
for (c = this.t - 1; c >= 0; --c) b[c + a] = this[c];
for (c = a - 1; c >= 0; --c) b[c] = 0;
b.t = this.t + a,
b.s = this.s
}
function bnpDRShiftTo(a, b) {
for (var c = a; c < this.t; ++c) b[c - a] = this[c];
b.t = Math.max(this.t - a, 0),
b.s = this.s
}
function bnpLShiftTo(a, b) {
var c, d = a % this.DB,
e = this.DB - d,
f = (1 << e) - 1,
g = Math.floor(a / this.DB),
h = this.s << d & this.DM;
for (c = this.t - 1; c >= 0; --c) b[c + g + 1] = this[c] >> e | h,
h = (this[c] & f) << d;
for (c = g - 1; c >= 0; --c) b[c] = 0;
b[g] = h,
b.t = this.t + g + 1,
b.s = this.s,
b.clamp()
}
function bnpRShiftTo(a, b) {
b.s = this.s;
var c = Math.floor(a / this.DB);
if (c >= this.t) return void(b.t = 0);
var d = a % this.DB,
e = this.DB - d,
f = (1 << d) - 1;
b[0] = this[c] >> d;
for (var g = c + 1; g < this.t; ++g) b[g - c - 1] |= (this[g] & f) << e,
b[g - c] = this[g] >> d;
d > 0 && (b[this.t - c - 1] |= (this.s & f) << e),
b.t = this.t - c,
b.clamp()
}
function bnpSubTo(a, b) {
for (var c = 0,
d = 0,
e = Math.min(a.t, this.t); e > c;) d += this[c] - a[c],
b[c++] = d & this.DM,
d >>= this.DB;
if (a.t < this.t) {
for (d -= a.s; c < this.t;) d += this[c],
b[c++] = d & this.DM,
d >>= this.DB;
d += this.s
} else {
for (d += this.s; c < a.t;) d -= a[c],
b[c++] = d & this.DM,
d >>= this.DB;
d -= a.s
}
b.s = 0 > d ? -1 : 0,
-1 > d ? b[c++] = this.DV + d: d > 0 && (b[c++] = d),
b.t = c,
b.clamp()
}
function bnpMultiplyTo(a, b) {
var c = this.abs(),
d = a.abs(),
e = c.t;
for (b.t = e + d.t; --e >= 0;) b[e] = 0;
for (e = 0; e < d.t; ++e) b[e + c.t] = c.am(0, d[e], b, e, 0, c.t);
b.s = 0,
b.clamp(),
this.s != a.s && BigInteger.ZERO.subTo(b, b)
}
function bnpSquareTo(a) {
for (var b = this.abs(), c = a.t = 2 * b.t; --c >= 0;) a[c] = 0;
for (c = 0; c < b.t - 1; ++c) {
var d = b.am(c, b[c], a, 2 * c, 0, 1); (a[c + b.t] += b.am(c + 1, 2 * b[c], a, 2 * c + 1, d, b.t - c - 1)) >= b.DV && (a[c + b.t] -= b.DV, a[c + b.t + 1] = 1)
}
a.t > 0 && (a[a.t - 1] += b.am(c, b[c], a, 2 * c, 0, 1)),
a.s = 0,
a.clamp()
}
function bnpDivRemTo(a, b, c) {
var d = a.abs();
if (! (d.t <= 0)) {
var e = this.abs();
if (e.t < d.t) return null != b && b.fromInt(0),
void(null != c && this.copyTo(c));
null == c && (c = nbi());
var f = nbi(),
g = this.s,
h = a.s,
i = this.DB - nbits(d[d.t - 1]);
i > 0 ? (d.lShiftTo(i, f), e.lShiftTo(i, c)) : (d.copyTo(f), e.copyTo(c));
var j = f.t,
k = f[j - 1];
if (0 != k) {
var l = k * (1 << this.F1) + (j > 1 ? f[j - 2] >> this.F2: 0),
m = this.FV / l,
n = (1 << this.F1) / l,
o = 1 << this.F2,
p = c.t,
q = p - j,
r = null == b ? nbi() : b;
for (f.dlShiftTo(q, r), c.compareTo(r) >= 0 && (c[c.t++] = 1, c.subTo(r, c)), BigInteger.ONE.dlShiftTo(j, r), r.subTo(f, f); f.t < j;) f[f.t++] = 0;
for (; --q >= 0;) {
var s = c[--p] == k ? this.DM: Math.floor(c[p] * m + (c[p - 1] + o) * n);
if ((c[p] += f.am(0, s, c, q, 0, j)) < s) for (f.dlShiftTo(q, r), c.subTo(r, c); c[p] < --s;) c.subTo(r, c)
}
null != b && (c.drShiftTo(j, b), g != h && BigInteger.ZERO.subTo(b, b)),
c.t = j,
c.clamp(),
i > 0 && c.rShiftTo(i, c),
0 > g && BigInteger.ZERO.subTo(c, c)
}
}
}
function bnMod(a) {
var b = nbi();
return this.abs().divRemTo(a, null, b),
this.s < 0 && b.compareTo(BigInteger.ZERO) > 0 && a.subTo(b, b),
b
}
function Classic(a) {
this.m = a
}
function cConvert(a) {
return a.s < 0 || a.compareTo(this.m) >= 0 ? a.mod(this.m) : a
}
function cRevert(a) {
return a
}
function cReduce(a) {
a.divRemTo(this.m, null, a)
}
function cMulTo(a, b, c) {
a.multiplyTo(b, c),
this.reduce(c)
}
function cSqrTo(a, b) {
a.squareTo(b),
this.reduce(b)
}
function bnpInvDigit() {
if (this.t < 1) return 0;
var a = this[0];
if (0 == (1 & a)) return 0;
var b = 3 & a;
return b = b * (2 - (15 & a) * b) & 15,
b = b * (2 - (255 & a) * b) & 255,
b = b * (2 - ((65535 & a) * b & 65535)) & 65535,
b = b * (2 - a * b % this.DV) % this.DV,
b > 0 ? this.DV - b: -b
}
function Montgomery(a) {
this.m = a,
this.mp = a.invDigit(),
this.mpl = 32767 & this.mp,
this.mph = this.mp >> 15,
this.um = (1 << a.DB - 15) - 1,
this.mt2 = 2 * a.t
}
function montConvert(a) {
var b = nbi();
return a.abs().dlShiftTo(this.m.t, b),
b.divRemTo(this.m, null, b),
a.s < 0 && b.compareTo(BigInteger.ZERO) > 0 && this.m.subTo(b, b),
b
}
function montRevert(a) {
var b = nbi();
return a.copyTo(b),
this.reduce(b),
b
}
function montReduce(a) {
for (; a.t <= this.mt2;) a[a.t++] = 0;
for (var b = 0; b < this.m.t; ++b) {
var c = 32767 & a[b],
d = c * this.mpl + ((c * this.mph + (a[b] >> 15) * this.mpl & this.um) << 15) & a.DM;
for (c = b + this.m.t, a[c] += this.m.am(0, d, a, b, 0, this.m.t); a[c] >= a.DV;) a[c] -= a.DV,
a[++c]++
}
a.clamp(),
a.drShiftTo(this.m.t, a),
a.compareTo(this.m) >= 0 && a.subTo(this.m, a)
}
function montSqrTo(a, b) {
a.squareTo(b),
this.reduce(b)
}
