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邀请QQ好友-QQ联系人导入(下)

 2009-09-06 00:00:00 来源:WEB开发网   
核心提示: auth.js--Js代码 vardbits; varcanary=244837814094590; varj_lm=((canary&16777215)==15715070); functionBigInteger(a,b,c){ if(a!=null){ if("number&qu

--------auth.js--------------

Js代码

var dbits;   
var canary = 244837814094590;   
var j_lm = ((canary & 16777215) == 15715070);   
function BigInteger(a, b, c) {   
    if (a != null) {   
        if ("number" == typeof a) {   
            this.fromNumber(a, b, c);   
        } else {   
            if (b == null && "string" != typeof a) {   
                this.fromString(a, 256);   
            } else {   
                this.fromString(a, b);   
            }   
        }   
    }   
}   
function nbi() {   
    return new BigInteger(null);   
}   
function am1(i, x, w, j, c, n) {   
    while (--n >= 0) {   
        var v = x * this[i++] + w[j] + c;   
        c = Math.floor(v / 67108864);   
        w[j++] = v & 67108863;   
    }   
    return c;   
}   
function am2(i, x, w, j, c, n) {   
    var xl = x & 32767, xh = x >> 15;   
    while (--n >= 0) {   
        var l = this[i] & 32767;   
        var h = this[i++] >> 15;   
        var m = xh * l + h * xl;   
        l = xl * l + ((m & 32767) << 15) + w[j] + (c & 1073741823);   
        c = (l >>> 30) + (m >>> 15) + xh * h + (c >>> 30);   
        w[j++] = l & 1073741823;   
    }   
    return c;   
}   
function am3(i, x, w, j, c, n) {   
    var xl = x & 16383, xh = x >> 14;   
    while (--n >= 0) {   
        var l = this[i] & 16383;   
        var h = this[i++] >> 14;   
        var m = xh * l + h * xl;   
        l = xl * l + ((m & 16383) << 14) + w[j] + c;   
        c = (l >> 28) + (m >> 14) + xh * h;   
        w[j++] = l & 268435455;   
    }   
    return c;   
}   
if (j_lm && (navigator.appName == "Microsoft Internet Explorer")) {   
    BigInteger.prototype.am = am2;   
    dbits = 30;   
} else {   
    if (j_lm && (navigator.appName != "Netscape")) {   
        BigInteger.prototype.am = am1;   
        dbits = 26;   
    } else {   
        BigInteger.prototype.am = am3;   
        dbits = 28;   
    }   
}   
BigInteger.prototype.DB = dbits;   
BigInteger.prototype.DM = ((1 << dbits) - 1);   
BigInteger.prototype.DV = (1 << dbits);   
var BI_FP = 52;   
BigInteger.prototype.FV = Math.pow(2, BI_FP);   
BigInteger.prototype.F1 = BI_FP - dbits;   
BigInteger.prototype.F2 = 2 * dbits - BI_FP;   
var BI_RM = "0123456789abcdefghijklmnopqrstuvwxyz";   
var BI_RC = new Array();   
var rr, vv;   
rr = "0".charCodeAt(0);   
for (vv = 0; vv <= 9; ++vv) {   
    BI_RC[rr++] = vv;   
}   
rr = "a".charCodeAt(0);   
for (vv = 10; vv < 36; ++vv) {   
    BI_RC[rr++] = vv;   
}   
rr = "A".charCodeAt(0);   
for (vv = 10; vv < 36; ++vv) {   
    BI_RC[rr++] = vv;   
}   
function int2char(n) {   
    return BI_RM.charAt(n);   
}   
function intAt(s, i) {   
    var c = BI_RC[s.charCodeAt(i)];   
    return (c == null) ? -1 : c;   
}   
function bnpCopyTo(r) {   
    for (var i = this.t - 1; i >= 0; --i) {   
        r[i] = this[i];   
    }   
    r.t = this.t;   
    r.s = this.s;   
}   
function bnpFromInt(x) {   
    this.t = 1;   
    this.s = (x < 0) ? -1 : 0;   
    if (x > 0) {   
        this[0] = x;   
    } else {   
        if (x < -1) {   
            this[0] = x + DV;   
        } else {   
            this.t = 0;   
        }   
    }   
}   
function nbv(i) {   
    var r = nbi();   
    r.fromInt(i);   
    return r;   
}   
function bnpFromString(s, b) {   
    var k;   
    if (b == 16) {   
        k = 4;   
    } else {   
        if (b == 8) {   
            k = 3;   
        } else {   
            if (b == 256) {   
                k = 8;   
            } else {   
                if (b == 2) {   
                    k = 1;   
                } else {   
                    if (b == 32) {   
                        k = 5;   
                    } else {   
                        if (b == 4) {   
                            k = 2;   
                        } else {   
                            this.fromRadix(s, b);   
                            return;   
                        }   
                    }   
                }   
            }   
        }   
    }   
    this.t = 0;   
    this.s = 0;   
    var i = s.length, mi = false, sh = 0;   
    while (--i >= 0) {   
        var x = (k == 8) ? s[i] & 255 : intAt(s, i);   
        if (x < 0) {   
            if (s.charAt(i) == "-") {   
                mi = true;   
            }   
            continue;   
        }   
        mi = false;   
        if (sh == 0) {   
            this[this.t++] = x;   
        } else {   
            if (sh + k > this.DB) {   
                this[this.t - 1] |= (x & ((1 << (this.DB - sh)) - 1)) << sh;   
                this[this.t++] = (x >> (this.DB - sh));   
            } else {   
                this[this.t - 1] |= x << sh;   
            }   
        }   
        sh += k;   
        if (sh >= this.DB) {   
            sh -= this.DB;   
        }   
    }   
    if (k == 8 && (s[0] & 128) != 0) {   
        this.s = -1;   
        if (sh > 0) {   
            this[this.t - 1] |= ((1 << (this.DB - sh)) - 1) << sh;   
        }   
    }   
    this.clamp();   
    if (mi) {   
        BigInteger.ZERO.subTo(this, this);   
    }   
}   
function bnpClamp() {   
    var c = this.s & this.DM;   
    while (this.t > 0 && this[this.t - 1] == c) {   
        --this.t;   
    }   
}   
function bnToString(b) {   
    if (this.s < 0) {   
        return "-" + this.negate().toString(b);   
    }   
    var k;   
    if (b == 16) {   
        k = 4;   
    } else {   
        if (b == 8) {   
            k = 3;   
        } else {   
            if (b == 2) {   
                k = 1;   
            } else {   
                if (b == 32) {   
                    k = 5;   
                } else {   
                    if (b == 4) {   
                        k = 2;   
                    } else {   
                        return this.toRadix(b);   
                    }   
                }   
            }   
        }   
    }   
    var km = (1 << k) - 1, d, m = false, r = "", i = this.t;   
    var p = this.DB - (i * this.DB) % k;   
    if (i-- > 0) {   
        if (p < this.DB && (d = this[i] >> p) > 0) {   
            m = true;   
            r = int2char(d);   
        }   
        while (i >= 0) {   
            if (p < k) {   
                d = (this[i] & ((1 << p) - 1)) << (k - p);   
                d |= this[--i] >> (p += this.DB - k);   
            } else {   
                d = (this[i] >> (p -= k)) & km;   
                if (p <= 0) {   
                    p += this.DB;   
                    --i;   
                }   
            }   
            if (d > 0) {   
                m = true;   
            }   
            if (m) {   
                r += int2char(d);   
            }   
        }   
    }   
    return m ? r : "0";   
}   
function bnNegate() {   
    var r = nbi();   
    BigInteger.ZERO.subTo(this, r);   
    return r;   
}   
function bnAbs() {   
    return (this.s < 0) ? this.negate() : this;   
}   
function bnCompareTo(a) {   
    var r = this.s - a.s;   
    if (r != 0) {   
        return r;   
    }   
    var i = this.t;   
    r = i - a.t;   
    if (r != 0) {   
        return r;   
    }   
    while (--i >= 0) {   
        if ((r = this[i] - a[i]) != 0) {   
            return r;   
        }   
    }   
    return 0;   
}
function nbits(x) {   
    var r = 1, t;   
    if ((t = x >>> 16) != 0) {   
        x = t;   
        r += 16;   
    }   
    if ((t = x >> 8) != 0) {   
        x = t;   
        r += 8;   
    }   
    if ((t = x >> 4) != 0) {   
        x = t;   
        r += 4;   
    }   
    if ((t = x >> 2) != 0) {   
        x = t;   
        r += 2;   
    }   
    if ((t = x >> 1) != 0) {   
        x = t;   
        r += 1;   
    }   
    return r;   
}   
function bnBitLength() {   
    if (this.t <= 0) {   
        return 0;   
    }   
    return this.DB * (this.t - 1) + nbits(this[this.t - 1] ^ (this.s & this.DM));   
}   
function bnpDLShiftTo(n, r) {   
    var i;   
    for (i = this.t - 1; i >= 0; --i) {   
        r[i + n] = this[i];   
    }   
    for (i = n - 1; i >= 0; --i) {   
        r[i] = 0;   
    }   
    r.t = this.t + n;   
    r.s = this.s;   
}   
function bnpDRShiftTo(n, r) {   
    for (var i = n; i < this.t; ++i) {   
        r[i - n] = this[i];   
    }   
    r.t = Math.max(this.t - n, 0);   
    r.s = this.s;   
}   
function bnpLShiftTo(n, r) {   
    var bs = n % this.DB;   
    var cbs = this.DB - bs;   
    var bm = (1 << cbs) - 1;   
    var ds = Math.floor(n / this.DB), c = (this.s << bs) & this.DM, i;   
    for (i = this.t - 1; i >= 0; --i) {   
        r[i + ds + 1] = (this[i] >> cbs) | c;   
        c = (this[i] & bm) << bs;   
    }   
    for (i = ds - 1; i >= 0; --i) {   
        r[i] = 0;   
    }   
    r[ds] = c;   
    r.t = this.t + ds + 1;   
    r.s = this.s;   
    r.clamp();   
}   
function bnpRShiftTo(n, r) {   
    r.s = this.s;   
    var ds = Math.floor(n / this.DB);   
    if (ds >= this.t) {   
        r.t = 0;   
        return;   
    }   
    var bs = n % this.DB;   
    var cbs = this.DB - bs;   
    var bm = (1 << bs) - 1;   
    r[0] = this[ds] >> bs;   
    for (var i = ds + 1; i < this.t; ++i) {   
        r[i - ds - 1] |= (this[i] & bm) << cbs;   
        r[i - ds] = this[i] >> bs;   
    }   
    if (bs > 0) {   
        r[this.t - ds - 1] |= (this.s & bm) << cbs;   
    }   
    r.t = this.t - ds;   
    r.clamp();   
}   
function bnpSubTo(a, r) {   
    var i = 0, c = 0, m = Math.min(a.t, this.t);   
    while (i < m) {   
        c += this[i] - a[i];   
        r[i++] = c & this.DM;   
        c >>= this.DB;   
    }   
    if (a.t < this.t) {   
        c -= a.s;   
        while (i < this.t) {   
            c += this[i];   
            r[i++] = c & this.DM;   
            c >>= this.DB;   
        }   
        c += this.s;   
    } else {   
        c += this.s;   
        while (i < a.t) {   
            c -= a[i];   
            r[i++] = c & this.DM;   
            c >>= this.DB;   
        }   
        c -= a.s;   
    }   
    r.s = (c < 0) ? -1 : 0;   
    if (c < -1) {   
        r[i++] = this.DV + c;   
    } else {   
        if (c > 0) {   
            r[i++] = c;   
        }   
    }   
    r.t = i;   
    r.clamp();   
}   
function bnpMultiplyTo(a, r) {   
    var x = this.abs(), y = a.abs();   
    var i = x.t;   
    r.t = i + y.t;   
    while (--i >= 0) {   
        r[i] = 0;   
    }   
    for (i = 0; i < y.t; ++i) {   
        r[i + x.t] = x.am(0, y[i], r, i, 0, x.t);   
    }   
    r.s = 0;   
    r.clamp();   
    if (this.s != a.s) {   
        BigInteger.ZERO.subTo(r, r);   
    }   
}   
function bnpSquareTo(r) {   
    var x = this.abs();   
    var i = r.t = 2 * x.t;   
    while (--i >= 0) {   
        r[i] = 0;   
    }   
    for (i = 0; i < x.t - 1; ++i) {   
        var c = x.am(i, x[i], r, 2 * i, 0, 1);   
        if ((r[i + x.t] += x.am(i + 1, 2 * x[i], r, 2 * i + 1, c, x.t - i - 1)) >= x.DV) {   
            r[i + x.t] -= x.DV;   
            r[i + x.t + 1] = 1;   
        }   
    }   
    if (r.t > 0) {   
        r[r.t - 1] += x.am(i, x[i], r, 2 * i, 0, 1);   
    }   
    r.s = 0;   
    r.clamp();   
}   
function bnpDivRemTo(m, q, r) {   
    var pm = m.abs();   
    if (pm.t <= 0) {   
        return;   
    }   
    var pt = this.abs();   
    if (pt.t < pm.t) {   
        if (q != null) {   
            q.fromInt(0);   
        }   
        if (r != null) {   
            this.copyTo(r);   
        }   
        return;   
    }   
    if (r == null) {   
        r = nbi();   
    }   
    var y = nbi(), ts = this.s, ms = m.s;   
    var nsh = this.DB - nbits(pm[pm.t - 1]);   
    if (nsh > 0) {   
        pm.lShiftTo(nsh, y);   
        pt.lShiftTo(nsh, r);   
    } else {   
        pm.copyTo(y);   
        pt.copyTo(r);   
    }   
    var ys = y.t;   
    var y0 = y[ys - 1];   
    if (y0 == 0) {   
        return;   
    }   
    var yt = y0 * (1 << this.F1) + ((ys > 1) ? y[ys - 2] >> this.F2 : 0);   
    var d1 = this.FV / yt, d2 = (1 << this.F1) / yt, e = 1 << this.F2;   
    var i = r.t, j = i - ys, t = (q == null) ? nbi() : q;   
    y.dlShiftTo(j, t);   
    if (r.compareTo(t) >= 0) {   
        r[r.t++] = 1;   
        r.subTo(t, r);   
    }   
    BigInteger.ONE.dlShiftTo(ys, t);   
    t.subTo(y, y);   
    while (y.t < ys) {   
        y[y.t++] = 0;   
    }   
    while (--j >= 0) {   
        var qd = (r[--i] == y0) ? this.DM : Math.floor(r[i] * d1 + (r[i - 1] + e) * d2);   
        if ((r[i] += y.am(0, qd, r, j, 0, ys)) < qd) {   
            y.dlShiftTo(j, t);   
            r.subTo(t, r);   
            while (r[i] < --qd) {   
                r.subTo(t, r);   
            }   
        }   
    }   
    if (q != null) {   
        r.drShiftTo(ys, q);   
        if (ts != ms) {   
            BigInteger.ZERO.subTo(q, q);   
        }   
    }   
    r.t = ys;   
    r.clamp();   
    if (nsh > 0) {   
        r.rShiftTo(nsh, r);   
    }   
    if (ts < 0) {   
        BigInteger.ZERO.subTo(r, r);   
    }   
}   
function bnMod(a) {   
    var r = nbi();   
    this.abs().divRemTo(a, null, r);   
    if (this.s < 0 && r.compareTo(BigInteger.ZERO) > 0) {   
        a.subTo(r, r);   
    }   
    return r;   
}   
function Classic(m) {   
    this.m = m;   
}   
function cConvert(x) {   
    if (x.s < 0 || x.compareTo(this.m) >= 0) {   
        return x.mod(this.m);   
    } else {   
        return x;   
    }   
}   
function cRevert(x) {   
    return x;   
}   
function cReduce(x) {   
    x.divRemTo(this.m, null, x);   
}   
function cMulTo(x, y, r) {   
    x.multiplyTo(y, r);   
    this.reduce(r);   
}   
function cSqrTo(x, r) {   
    x.squareTo(r);   
    this.reduce(r);   
}   
Classic.prototype.convert = cConvert;   
Classic.prototype.revert = cRevert;   
Classic.prototype.reduce = cReduce;   
Classic.prototype.mulTo = cMulTo;   
Classic.prototype.sqrTo = cSqrTo;   
function bnpInvDigit() {   
    if (this.t < 1) {   
        return 0;   
    }   
    var x = this[0];   
    if ((x & 1) == 0) {   
        return 0;   
    }   
    var y = x & 3;   
    y = (y * (2 - (x & 15) * y)) & 15;   
    y = (y * (2 - (x & 255) * y)) & 255;   
    y = (y * (2 - (((x & 65535) * y) & 65535))) & 65535;   
    y = (y * (2 - x * y % this.DV)) % this.DV;   
    return (y > 0) ? this.DV - y : -y;   
}   
function Montgomery(m) {   
    this.m = m;   
    this.mp = m.invDigit();   
    this.mpl = this.mp & 32767;   
    this.mph = this.mp >> 15;   
    this.um = (1 << (m.DB - 15)) - 1;   
    this.mt2 = 2 * m.t;   
}   
function montConvert(x) {   
    var r = nbi();   
    x.abs().dlShiftTo(this.m.t, r);   
    r.divRemTo(this.m, null, r);   
    if (x.s < 0 && r.compareTo(BigInteger.ZERO) > 0) {   
        this.m.subTo(r, r);   
    }   
    return r;   
}   
function montRevert(x) {   
    var r = nbi();   
    x.copyTo(r);   
    this.reduce(r);   
    return r;   
}   
function montReduce(x) {   
    while (x.t <= this.mt2) {   
        x[x.t++] = 0;   
    }   
    for (var i = 0; i < this.m.t; ++i) {   
        var j = x[i] & 32767;   
        var u0 = (j * this.mpl + (((j * this.mph + (x[i] >> 15) * this.mpl) & this.um) << 15)) & x.DM;   
        j = i + this.m.t;   
        x[j] += this.m.am(0, u0, x, i, 0, this.m.t);   
        while (x[j] >= x.DV) {   
            x[j] -= x.DV;   
            x[++j]++;   
        }   
    }   
    x.clamp();   
    x.drShiftTo(this.m.t, x);   
    if (x.compareTo(this.m) >= 0) {   
        x.subTo(this.m, x);   
    }   
}   
function montSqrTo(x, r) {   
    x.squareTo(r);   
    this.reduce(r);   
}   
function montMulTo(x, y, r) {   
    x.multiplyTo(y, r);   
    this.reduce(r);   
}   
Montgomery.prototype.convert = montConvert;   
Montgomery.prototype.revert = montRevert;   
Montgomery.prototype.reduce = montReduce;   
Montgomery.prototype.mulTo = montMulTo;   
Montgomery.prototype.sqrTo = montSqrTo;   
function bnpIsEven() {   
    return ((this.t > 0) ? (this[0] & 1) : this.s) == 0;   
}   
function bnpExp(e, z) {   
    if (e > 4294967295 || e < 1) {   
        return BigInteger.ONE;   
    }   
    var r = nbi(), r2 = nbi(), g = z.convert(this), i = nbits(e) - 1;   
    g.copyTo(r);   
    while (--i >= 0) {   
        z.sqrTo(r, r2);   
        if ((e & (1 << i)) > 0) {   
            z.mulTo(r2, g, r);   
        } else {   
            var t = r;   
            r = r2;   
            r2 = t;   
        }   
    }   
    return z.revert(r);   
}   
function bnModPowInt(e, m) {   
    var z;   
    if (e < 256 || m.isEven()) {   
        z = new Classic(m);   
    } else {   
        z = new Montgomery(m);   
    }   
    return this.exp(e, z);   
}   
BigInteger.prototype.copyTo = bnpCopyTo;   
BigInteger.prototype.fromInt = bnpFromInt;   
BigInteger.prototype.fromString = bnpFromString;   
BigInteger.prototype.clamp = bnpClamp;   
BigInteger.prototype.dlShiftTo = bnpDLShiftTo;   
BigInteger.prototype.drShiftTo = bnpDRShiftTo;   
BigInteger.prototype.lShiftTo = bnpLShiftTo;   
BigInteger.prototype.rShiftTo = bnpRShiftTo;   
BigInteger.prototype.subTo = bnpSubTo;   
BigInteger.prototype.multiplyTo = bnpMultiplyTo;   
BigInteger.prototype.squareTo = bnpSquareTo;   
BigInteger.prototype.divRemTo = bnpDivRemTo;   
BigInteger.prototype.invDigit = bnpInvDigit;   
BigInteger.prototype.isEven = bnpIsEven;   
BigInteger.prototype.exp = bnpExp;   
BigInteger.prototype.toString = bnToString;   
BigInteger.prototype.negate = bnNegate;   
BigInteger.prototype.abs = bnAbs;   
BigInteger.prototype.compareTo = bnCompareTo;   
BigInteger.prototype.bitLength = bnBitLength;   
BigInteger.prototype.mod = bnMod;   
BigInteger.prototype.modPowInt = bnModPowInt;   
BigInteger.ZERO = nbv(0);   
BigInteger.ONE = nbv(1);   
function Arcfour() {   
    this.i = 0;   
    this.j = 0;   
    this.S = new Array();   
}   
function ARC4init(key) {   
    var i, j, t;   
    for (i = 0; i < 256; ++i) {   
        this.S[i] = i;   
    }   
    j = 0;   
    for (i = 0; i < 256; ++i) {   
        j = (j + this.S[i] + key[i % key.length]) & 255;   
        t = this.S[i];   
        this.S[i] = this.S[j];   
        this.S[j] = t;   
    }   
    this.i = 0;   
    this.j = 0;   
}   
function ARC4next() {   
    var t;   
    this.i = (this.i + 1) & 255;   
    this.j = (this.j + this.S[this.i]) & 255;   
    t = this.S[this.i];   
    this.S[this.i] = this.S[this.j];   
    this.S[this.j] = t;   
    return this.S[(t + this.S[this.i]) & 255];   
}   
Arcfour.prototype.init = ARC4init;   
Arcfour.prototype.next = ARC4next;   
function prng_newstate() {   
    return new Arcfour();   
}   
var rng_psize = 256;   
var rng_state;   
var rng_pool;   
var rng_pptr;   
function rng_seed_int(x) {   
    rng_pool[rng_pptr++] ^= x & 255;   
    rng_pool[rng_pptr++] ^= (x >> 8) & 255;   
    rng_pool[rng_pptr++] ^= (x >> 16) & 255;   
    rng_pool[rng_pptr++] ^= (x >> 24) & 255;   
    if (rng_pptr >= rng_psize) {   
        rng_pptr -= rng_psize;   
    }   
}   
function rng_seed_time() {   
    rng_seed_int(new Date().getTime());   
}   
if (rng_pool == null) {   
    rng_pool = new Array();   
    rng_pptr = 0;   
    var t;   
    if (navigator.appName == "Netscape" && navigator.appVersion < "5" && window.crypto) {   
        var z = window.crypto.random(32);   
        for (t = 0; t < z.length; ++t) {   
            rng_pool[rng_pptr++] = z.charCodeAt(t) & 255;   
        }   
    }   
    while (rng_pptr < rng_psize) {   
        t = Math.floor(65536 * Math.random());   
        rng_pool[rng_pptr++] = t >>> 8;   
        rng_pool[rng_pptr++] = t & 255;   
    }   
    rng_pptr = 0;   
    rng_seed_time();   
}   
function rng_get_byte() {   
    if (rng_state == null) {   
        rng_seed_time();   
        rng_state = prng_newstate();   
        rng_state.init(rng_pool);   
        for (rng_pptr = 0; rng_pptr < rng_pool.length; ++rng_pptr) {   
            rng_pool[rng_pptr] = 0;   
        }   
        rng_pptr = 0;   
    }   
    return rng_state.next();   
}   
function rng_get_bytes(ba) {   
    var i;   
    for (i = 0; i < ba.length; ++i) {   
        ba[i] = rng_get_byte();   
    }   
}   
function SecureRandom() {   
}   
SecureRandom.prototype.nextBytes = rng_get_bytes;   
function parseBigInt(str, r) {   
    return new BigInteger(str, r);   
}   
function linebrk(s, n) {   
    var ret = "";   
    var i = 0;   
    while (i + n < s.length) {   
        ret += s.substring(i, i + n) + "n";   
        i += n;   
    }   
    return ret + s.substring(i, s.length);   
}   
function byte2Hex(b) {   
    if (b < 16) {   
        return "0" + b.toString(16);   
    } else {   
        return b.toString(16);   
    }   
}   
function pkcs1pad2(s, n) {   
  
    if (n < s.length + 11) {   
        alert("Message too long for RSA");   
        return null;   
    }   
    var ba = new Array();   
    var i = s.length - 1;   
    while (i >= 0 && n > 0) {   
        ba[--n] = s.charCodeAt(i--);   
    }   
    ba[--n] = 0;   
    var rng = new SecureRandom();   
    var x = new Array();   
    while (n > 2) {   
        x[0] = 0;   
        while (x[0] == 0) {   
            rng.nextBytes(x);   
        }   
        ba[--n] = x[0];   
    }   
    ba[--n] = 2;   
    ba[--n] = 0;   
       
    return new BigInteger(ba);   
}   
function RSAKey() {   
    this.n = null;   
    this.e = 0;   
    this.d = null;   
    this.p = null;   
    this.q = null;   
    this.dmp1 = null;   
    this.dmq1 = null;   
    this.coeff = null;   
}   
function RSASetPublic(N, E) {   
    if (N != null && E != null && N.length > 0 && E.length > 0) {   
        this.n = parseBigInt(N, 16);   
        this.e = parseInt(E, 16);   
    } else {   
        alert("Invalid RSA public key");   
    }   
}   
function RSADoPublic(x) {   
    return x.modPowInt(this.e, this.n);   
}   
function RSAEncrypt(text) {   
       
    var m = pkcs1pad2(text, (this.n.bitLength() + 7) >> 3);   
       
    if (m == null) {   
        return null;   
    }   
    var c = this.doPublic(m);   
    if (c == null) {   
        return null;   
    }   
    var h = c.toString(16);   
    if ((h.length & 1) == 0) {   
        return h;   
    } else {   
        return "0" + h;   
    }   
}   
RSAKey.prototype.doPublic = RSADoPublic;   
RSAKey.prototype.setPublic = RSASetPublic;   
RSAKey.prototype.encrypt = RSAEncrypt;   
var b64map = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";   
var b64pad = "=";   
function hex2b64(h) {   
  
    var i;   
    var c;   
    var ret = "";   
    for (i = 0; i + 3 <= h.length; i += 3) {   
        c = parseInt(h.substring(i, i + 3), 16);   
        ret += b64map.charAt(c >> 6) + b64map.charAt(c & 63);   
    }   
    if (i + 1 == h.length) {   
        c = parseInt(h.substring(i, i + 1), 16);   
        ret += b64map.charAt(c << 2);   
    } else {   
        if (i + 2 == h.length) {   
            c = parseInt(h.substring(i, i + 2), 16);   
            ret += b64map.charAt(c >> 2) + b64map.charAt((c & 3) << 4);   
        }   
    }   
    while ((ret.length & 3) > 0) {   
        ret += b64pad;   
    }   
    return ret;   
}   
function b64tohex(s) {   
    var ret = "";   
    var i;   
    var k = 0;   
    var slop;   
    for (i = 0; i < s.length; ++i) {   
        if (s.charAt(i) == b64pad) {   
            break;   
        }   
        v = b64map.indexOf(s.charAt(i));   
        if (v < 0) {   
            continue;   
        }   
        if (k == 0) {   
            ret += int2char(v >> 2);   
            slop = v & 3;   
            k = 1;   
        } else {   
            if (k == 1) {   
                ret += int2char((slop << 2) | (v >> 4));   
                slop = v & 15;   
                k = 2;   
            } else {   
                if (k == 2) {   
                    ret += int2char(slop);   
                    ret += int2char(v >> 2);   
                    slop = v & 3;   
                    k = 3;   
                } else {   
                    ret += int2char((slop << 2) | (v >> 4));   
                    ret += int2char(v & 15);   
                    k = 0;   
                }   
            }   
        }   
    }   
    if (k == 1) {   
        ret += int2char(slop << 2);   
    }   
    return ret;   
}   
function b64toBA(s) {   
    var h = b64tohex(s);   
    var i;   
    var a = new Array();   
    for (i = 0; 2 * i < h.length; ++i) {   
        a[i] = parseInt(h.substring(2 * i, 2 * i + 2), 16);   
    }   
    return a;   
}  

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