一个简单的JS
本帖最后由 小陈 于 2021-3-10 09:58 编辑前几天在某易语言论坛看到有人求助一个加密问题 就去大概看了下 顺手搞定了
不过... 让他带价来找我 他没来 直接就发在这里⑧
当时具体怎么分析的忘记了 大概记得 有三四层 首先是一个MD5的加密 md5加密过后 带着key 进行aes 扣了个aes 外面是一层bs4编码 最后是一个16进制的转换
没多少难度 想练手的可以去看看 ，
代码放在这儿，有兴趣的哥哥去玩玩
代码：
!(data/attachment/forum/202103/10/095711nf33a3zz0443869u.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/300 "image.png")
JS代码放在一楼了
JS没贴全放在这
var CryptoJS = CryptoJS ||
function(u, p) {
var d = {},
l = d.lib = {},
s = function() {},
t = l.Base = {
extend: function(a) {
s.prototype = this;
var c = new s;
return a && c.mixIn(a),
c.hasOwnProperty("init") || (c.init = function() {
c.$super.init.apply(this, arguments)
}),
c.init.prototype = c,
c.$super = this,
c
},
create: function() {
var a = this.extend();
return a.init.apply(a, arguments),
a
},
init: function() {},
mixIn: function(a) {
for (var c in a) a.hasOwnProperty(c) && (this = a);
a.hasOwnProperty("toString") && (this.toString = a.toString)
},
clone: function() {
return this.init.prototype.extend(this)
}
},
r = l.WordArray = t.extend({
init: function(a, c) {
a = this.words = a || [],
this.sigBytes = void 0 != c ? c: 4 * a.length
},
toString: function(a) {
return (a || v).stringify(this)
},
concat: function(a) {
var c = this.words,
e = a.words,
j = this.sigBytes;
if (a = a.sigBytes, this.clamp(), j % 4) for (var k = 0; k < a; k++) c |= (e >>> 24 - 8 * (k % 4) & 255) << 24 - 8 * ((j + k) % 4);
else if (65535 < e.length) for (k = 0; k < a; k += 4) c = e;
else c.push.apply(c, e);
return this.sigBytes += a,
this
},
clamp: function() {
var a = this.words,
c = this.sigBytes;
a &= 4294967295 << 32 - 8 * (c % 4),
a.length = u.ceil(c / 4)
},
clone: function() {
var a = t.clone.call(this);
return a.words = this.words.slice(0),
a
},
random: function(a) {
for (var c = [], e = 0; e < a; e += 4) c.push(4294967296 * u.random() | 0);
return new r.init(c, a)
}
}),
w = d.enc = {},
v = w.Hex = {
stringify: function(a) {
var c = a.words;
a = a.sigBytes;
for (var e = [], j = 0; j < a; j++) {
var k = c >>> 24 - 8 * (j % 4) & 255;
e.push((k >>> 4).toString(16)),
e.push((15 & k).toString(16))
}
return e.join("")
},
parse: function(a) {
for (var c = a.length,
e = [], j = 0; j < c; j += 2) e |= parseInt(a.substr(j, 2), 16) << 24 - 4 * (j % 8);
return new r.init(e, c / 2)
}
},
b = w.Latin1 = {
stringify: function(a) {
var c = a.words;
a = a.sigBytes;
for (var e = [], j = 0; j < a; j++) e.push(String.fromCharCode(c >>> 24 - 8 * (j % 4) & 255));
return e.join("")
},
parse: function(a) {
for (var c = a.length,
e = [], j = 0; j < c; j++) e |= (255 & a.charCodeAt(j)) << 24 - 8 * (j % 4);
return new r.init(e, c)
}
},
x = w.Utf8 = {
stringify: function(a) {
try {
return decodeURIComponent(escape(b.stringify(a)))
} catch(c) {
throw Error("Malformed UTF-8 data")
}
},
parse: function(a) {
return b.parse(unescape(encodeURIComponent(a)))
}
},
q = l.BufferedBlockAlgorithm = t.extend({
reset: function() {
this._data = new r.init,
this._nDataBytes = 0
},
_append: function(a) {
"string" == typeof a && (a = x.parse(a)),
this._data.concat(a),
this._nDataBytes += a.sigBytes
},
_process: function(a) {
var c = this._data,
e = c.words,
j = c.sigBytes,
k = this.blockSize,
b = j / (4 * k),
b = a ? u.ceil(b) : u.max((0 | b) - this._minBufferSize, 0);
if (a = b * k, j = u.min(4 * a, j), a) {
for (var q = 0; q < a; q += k) this._doProcessBlock(e, q);
q = e.splice(0, a),
c.sigBytes -= j
}
return new r.init(q, j)
},
clone: function() {
var a = t.clone.call(this);
return a._data = this._data.clone(),
a
},
_minBufferSize: 0
});
l.Hasher = q.extend({
cfg: t.extend(),
init: function(a) {
this.cfg = this.cfg.extend(a),
this.reset()
},
reset: function() {
q.reset.call(this),
this._doReset()
},
update: function(a) {
return this._append(a),
this._process(),
this
},
finalize: function(a) {
return a && this._append(a),
this._doFinalize()
},
blockSize: 16,
_createHelper: function(a) {
return function(b, e) {
return new a.init(e).finalize(b)
}
},
_createHmacHelper: function(a) {
return function(b, e) {
return new n.HMAC.init(a, e).finalize(b)
}
}
});
var n = d.algo = {};
return d
} (Math); !
function() {
var u = CryptoJS,
p = u.lib.WordArray;
u.enc.Base64 = {
stringify: function(d) {
var l = d.words,
p = d.sigBytes,
t = this._map;
d.clamp(),
d = [];
for (var r = 0; r < p; r += 3) for (var w = (l >>> 24 - 8 * (r % 4) & 255) << 16 | (l >>> 24 - 8 * ((r + 1) % 4) & 255) << 8 | l >>> 24 - 8 * ((r + 2) % 4) & 255, v = 0; 4 > v && r + .75 * v < p; v++) d.push(t.charAt(w >>> 6 * (3 - v) & 63));
if (l = t.charAt(64)) for (; d.length % 4;) d.push(l);
return d.join("")
},
parse: function(d) {
var l = d.length,
s = this._map,
t = s.charAt(64);
t && (t = d.indexOf(t), -1 != t && (l = t));
for (var t = [], r = 0, w = 0; w < l; w++) if (w % 4) {
var v = s.indexOf(d.charAt(w - 1)) << 2 * (w % 4),
b = s.indexOf(d.charAt(w)) >>> 6 - 2 * (w % 4);
t |= (v | b) << 24 - 8 * (r % 4),
r++
}
return p.create(t, r)
},
_map: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="
}
} (),
function(u) {
function p(b, n, a, c, e, j, k) {
return b = b + (n & a | ~n & c) + e + k,
(b << j | b >>> 32 - j) + n
}
function d(b, n, a, c, e, j, k) {
return b = b + (n & c | a & ~c) + e + k,
(b << j | b >>> 32 - j) + n
}
function l(b, n, a, c, e, j, k) {
return b = b + (n ^ a ^ c) + e + k,
(b << j | b >>> 32 - j) + n
}
function s(b, n, a, c, e, j, k) {
return b = b + (a ^ (n | ~c)) + e + k,
(b << j | b >>> 32 - j) + n
}
for (var t = CryptoJS,
r = t.lib,
w = r.WordArray,
v = r.Hasher,
r = t.algo,
b = [], x = 0; 64 > x; x++) b = 4294967296 * u.abs(u.sin(x + 1)) | 0;
r = r.MD5 = v.extend({
_doReset: function() {
this._hash = new w.init()
},
_doProcessBlock: function(q, n) {
for (var a = 0; 16 > a; a++) {
var c = n + a,
e = q;
q = 16711935 & (e << 8 | e >>> 24) | 4278255360 & (e << 24 | e >>> 8)
}
var a = this._hash.words,
c = q,
e = q,
j = q,
k = q,
z = q,
r = q,
t = q,
w = q,
v = q,
A = q,
B = q,
C = q,
u = q,
D = q,
E = q,
x = q,
f = a,
m = a,
g = a,
h = a,
f = p(f, m, g, h, c, 7, b),
h = p(h, f, m, g, e, 12, b),
g = p(g, h, f, m, j, 17, b),
m = p(m, g, h, f, k, 22, b),
f = p(f, m, g, h, z, 7, b),
h = p(h, f, m, g, r, 12, b),
g = p(g, h, f, m, t, 17, b),
m = p(m, g, h, f, w, 22, b),
f = p(f, m, g, h, v, 7, b),
h = p(h, f, m, g, A, 12, b),
g = p(g, h, f, m, B, 17, b),
m = p(m, g, h, f, C, 22, b),
f = p(f, m, g, h, u, 7, b),
h = p(h, f, m, g, D, 12, b),
g = p(g, h, f, m, E, 17, b),
m = p(m, g, h, f, x, 22, b),
f = d(f, m, g, h, e, 5, b),
h = d(h, f, m, g, t, 9, b),
g = d(g, h, f, m, C, 14, b),
m = d(m, g, h, f, c, 20, b),
f = d(f, m, g, h, r, 5, b),
h = d(h, f, m, g, B, 9, b),
g = d(g, h, f, m, x, 14, b),
m = d(m, g, h, f, z, 20, b),
f = d(f, m, g, h, A, 5, b),
h = d(h, f, m, g, E, 9, b),
g = d(g, h, f, m, k, 14, b),
m = d(m, g, h, f, v, 20, b),
f = d(f, m, g, h, D, 5, b),
h = d(h, f, m, g, j, 9, b),
g = d(g, h, f, m, w, 14, b),
m = d(m, g, h, f, u, 20, b),
f = l(f, m, g, h, r, 4, b),
h = l(h, f, m, g, v, 11, b),
g = l(g, h, f, m, C, 16, b),
m = l(m, g, h, f, E, 23, b),
f = l(f, m, g, h, e, 4, b),
h = l(h, f, m, g, z, 11, b),
g = l(g, h, f, m, w, 16, b),
m = l(m, g, h, f, B, 23, b),
f = l(f, m, g, h, D, 4, b),
h = l(h, f, m, g, c, 11, b),
g = l(g, h, f, m, k, 16, b),
m = l(m, g, h, f, t, 23, b),
f = l(f, m, g, h, A, 4, b),
h = l(h, f, m, g, u, 11, b),
g = l(g, h, f, m, x, 16, b),
m = l(m, g, h, f, j, 23, b),
f = s(f, m, g, h, c, 6, b),
h = s(h, f, m, g, w, 10, b),
g = s(g, h, f, m, E, 15, b),
m = s(m, g, h, f, r, 21, b),
f = s(f, m, g, h, u, 6, b),
h = s(h, f, m, g, k, 10, b),
g = s(g, h, f, m, B, 15, b),
m = s(m, g, h, f, e, 21, b),
f = s(f, m, g, h, v, 6, b),
h = s(h, f, m, g, x, 10, b),
g = s(g, h, f, m, t, 15, b),
m = s(m, g, h, f, D, 21, b),
f = s(f, m, g, h, z, 6, b),
h = s(h, f, m, g, C, 10, b),
g = s(g, h, f, m, j, 15, b),
m = s(m, g, h, f, A, 21, b);
a = a + f | 0,
a = a + m | 0,
a = a + g | 0,
a = a + h | 0
},
_doFinalize: function() {
var b = this._data,
n = b.words,
a = 8 * this._nDataBytes,
c = 8 * b.sigBytes;
n |= 128 << 24 - c % 32;
var e = u.floor(a / 4294967296);
for (n[(c + 64 >>> 9 << 4) + 15] = 16711935 & (e << 8 | e >>> 24) | 4278255360 & (e << 24 | e >>> 8), n[(c + 64 >>> 9 << 4) + 14] = 16711935 & (a << 8 | a >>> 24) | 4278255360 & (a << 24 | a >>> 8), b.sigBytes = 4 * (n.length + 1), this._process(), b = this._hash, n = b.words, a = 0; 4 > a; a++) c = n,
n = 16711935 & (c << 8 | c >>> 24) | 4278255360 & (c << 24 | c >>> 8);
return b
},
clone: function() {
var b = v.clone.call(this);
return b._hash = this._hash.clone(),
b
}
}),
t.MD5 = v._createHelper(r),
t.HmacMD5 = v._createHmacHelper(r)
} (Math),
function() {
var u = CryptoJS,
p = u.lib,
d = p.Base,
l = p.WordArray,
p = u.algo,
s = p.EvpKDF = d.extend({
cfg: d.extend({
keySize: 4,
hasher: p.MD5,
iterations: 1
}),
init: function(d) {
this.cfg = this.cfg.extend(d)
},
compute: function(d, r) {
for (var p = this.cfg,
s = p.hasher.create(), b = l.create(), u = b.words, q = p.keySize, p = p.iterations; u.length < q;) {
n && s.update(n);
var n = s.update(d).finalize(r);
s.reset();
for (var a = 1; a < p; a++) n = s.finalize(n),
s.reset();
b.concat(n)
}
return b.sigBytes = 4 * q,
b
}
});
u.EvpKDF = function(d, l, p) {
return s.create(p).compute(d, l)
}
} (),
CryptoJS.lib.Cipher ||
function(u) {
var p = CryptoJS,
d = p.lib,
l = d.Base,
s = d.WordArray,
t = d.BufferedBlockAlgorithm,
r = p.enc.Base64,
w = p.algo.EvpKDF,
v = d.Cipher = t.extend({
cfg: l.extend(),
createEncryptor: function(e, a) {
return this.create(this._ENC_XFORM_MODE, e, a)
},
createDecryptor: function(e, a) {
return this.create(this._DEC_XFORM_MODE, e, a)
},
init: function(e, a, b) {
this.cfg = this.cfg.extend(b),
this._xformMode = e,
this._key = a,
this.reset()
},
reset: function() {
t.reset.call(this),
this._doReset()
},
process: function(e) {
return this._append(e),
this._process()
},
finalize: function(e) {
return e && this._append(e),
this._doFinalize()
},
keySize: 4,
ivSize: 4,
_ENC_XFORM_MODE: 1,
_DEC_XFORM_MODE: 2,
_createHelper: function(e) {
return {
encrypt: function(b, k, d) {
return ("string" == typeof k ? c: a).encrypt(e, b, k, d)
},
decrypt: function(b, k, d) {
return ("string" == typeof k ? c: a).decrypt(e, b, k, d)
}
}
}
});
d.StreamCipher = v.extend({
_doFinalize: function() {
return this._process(!0)
},
blockSize: 1
});
var b = p.mode = {},
x = function(e, a, b) {
var c = this._iv;
c ? this._iv = void 0 : c = this._prevBlock;
for (var d = 0; d < b; d++) e ^= c
},
q = (d.BlockCipherMode = l.extend({
createEncryptor: function(e, a) {
return this.Encryptor.create(e, a)
},
createDecryptor: function(e, a) {
return this.Decryptor.create(e, a)
},
init: function(e, a) {
this._cipher = e,
this._iv = a
}
})).extend();
q.Encryptor = q.extend({
processBlock: function(e, a) {
var b = this._cipher,
c = b.blockSize;
x.call(this, e, a, c),
b.encryptBlock(e, a),
this._prevBlock = e.slice(a, a + c)
}
}),
q.Decryptor = q.extend({
processBlock: function(e, a) {
var b = this._cipher,
c = b.blockSize,
d = e.slice(a, a + c);
b.decryptBlock(e, a),
x.call(this, e, a, c),
this._prevBlock = d
}
}),
b = b.CBC = q,
q = (p.pad = {}).Pkcs7 = {
pad: function(a, b) {
for (var c = 4 * b,
c = c - a.sigBytes % c,
d = c << 24 | c << 16 | c << 8 | c,
l = [], n = 0; n < c; n += 4) l.push(d);
c = s.create(l, c),
a.concat(c)
},
unpad: function(a) {
a.sigBytes -= 255 & a.words
}
},
d.BlockCipher = v.extend({
cfg: v.cfg.extend({
mode: b,
padding: q
}),
reset: function() {
v.reset.call(this);
var a = this.cfg,
b = a.iv,
a = a.mode;
if (this._xformMode == this._ENC_XFORM_MODE) var c = a.createEncryptor;
else c = a.createDecryptor,
this._minBufferSize = 1;
this._mode = c.call(a, this, b && b.words)
},
_doProcessBlock: function(a, b) {
this._mode.processBlock(a, b)
},
_doFinalize: function() {
var a = this.cfg.padding;
if (this._xformMode == this._ENC_XFORM_MODE) {
a.pad(this._data, this.blockSize);
var b = this._process(!0)
} else b = this._process(!0),
a.unpad(b);
return b
},
blockSize: 4
});
var n = d.CipherParams = l.extend({
init: function(a) {
this.mixIn(a)
},
toString: function(a) {
return (a || this.formatter).stringify(this)
}
}),
b = (p.format = {}).OpenSSL = {
stringify: function(a) {
var b = a.ciphertext;
return a = a.salt,
(a ? s.create().concat(a).concat(b) : b).toString(r)
},
parse: function(a) {
a = r.parse(a);
var b = a.words;
if (1398893684 == b && 1701076831 == b) {
var c = s.create(b.slice(2, 4));
b.splice(0, 4),
a.sigBytes -= 16
}
return n.create({
ciphertext: a,
salt: c
})
}
},
a = d.SerializableCipher = l.extend({
cfg: l.extend({
format: b
}),
encrypt: function(a, b, c, d) {
d = this.cfg.extend(d);
var l = a.createEncryptor(c, d);
return b = l.finalize(b),
l = l.cfg,
n.create({
ciphertext: b,
key: c,
iv: l.iv,
algorithm: a,
mode: l.mode,
padding: l.padding,
blockSize: a.blockSize,
formatter: d.format
})
},
decrypt: function(a, b, c, d) {
return d = this.cfg.extend(d),
b = this._parse(b, d.format),
a.createDecryptor(c, d).finalize(b.ciphertext)
},
_parse: function(a, b) {
return "string" == typeof a ? b.parse(a, this) : a
}
}),
p = (p.kdf = {}).OpenSSL = {
execute: function(a, b, c, d) {
return d || (d = s.random(8)),
a = w.create({
keySize: b + c
}).compute(a, d),
c = s.create(a.words.slice(b), 4 * c),
a.sigBytes = 4 * b,
n.create({
key: a,
iv: c,
salt: d
})
}
},
c = d.PasswordBasedCipher = a.extend({
cfg: a.cfg.extend({
kdf: p
}),
encrypt: function(b, c, d, l) {
return l = this.cfg.extend(l),
d = l.kdf.execute(d, b.keySize, b.ivSize),
l.iv = d.iv,
b = a.encrypt.call(this, b, c, d.key, l),
b.mixIn(d),
b
},
decrypt: function(b, c, d, l) {
return l = this.cfg.extend(l),
c = this._parse(c, l.format),
d = l.kdf.execute(d, b.keySize, b.ivSize, c.salt),
l.iv = d.iv,
a.decrypt.call(this, b, c, d.key, l)
}
})
} (),
function() {
for (var u = CryptoJS,
p = u.lib.BlockCipher,
d = u.algo,
l = [], s = [], t = [], r = [], w = [], v = [], b = [], x = [], q = [], n = [], a = [], c = 0; 256 > c; c++) a = 128 > c ? c << 1 : c << 1 ^ 283;
for (var e = 0,
j = 0,
c = 0; 256 > c; c++) {
var k = j ^ j << 1 ^ j << 2 ^ j << 3 ^ j << 4,
k = k >>> 8 ^ 255 & k ^ 99;
l = k,
s = e;
var z = a,
F = a,
G = a,
y = 257 * a ^ 16843008 * k;
t = y << 24 | y >>> 8,
r = y << 16 | y >>> 16,
w = y << 8 | y >>> 24,
v = y,
y = 16843009 * G ^ 65537 * F ^ 257 * z ^ 16843008 * e,
b = y << 24 | y >>> 8,
x = y << 16 | y >>> 16,
q = y << 8 | y >>> 24,
n = y,
e ? (e = z ^ a]], j ^= a]) : e = j = 1
}
var H = ,
d = d.AES = p.extend({
_doReset: function() {
for (var a = this._key,
c = a.words,
d = a.sigBytes / 4,
a = 4 * ((this._nRounds = d + 6) + 1), e = this._keySchedule = [], j = 0; j < a; j++) if (j < d) e = c;
else {
var k = e;
j % d ? 6 < d && 4 == j % d && (k = l << 24 | l << 16 | l << 8 | l) : (k = k << 8 | k >>> 24, k = l << 24 | l << 16 | l << 8 | l, k ^= H << 24),
e = e ^ k
}
for (c = this._invKeySchedule = [], d = 0; d < a; d++) j = a - d,
k = d % 4 ? e : e,
c = 4 > d || 4 >= j ? k: b] ^ x] ^ q] ^ n]
},
encryptBlock: function(a, b) {
this._doCryptBlock(a, b, this._keySchedule, t, r, w, v, l)
},
decryptBlock: function(a, c) {
var d = a;
a = a,
a = d,
this._doCryptBlock(a, c, this._invKeySchedule, b, x, q, n, s),
d = a,
a = a,
a = d
},
_doCryptBlock: function(a, b, c, d, e, j, l, f) {
for (var m = this._nRounds,
g = a ^ c, h = a ^ c, k = a ^ c, n = a ^ c, p = 4, r = 1; r < m; r++) var q = d ^ e ^ j ^ l ^ c,
s = d ^ e ^ j ^ l ^ c,
t = d ^ e ^ j ^ l ^ c,
n = d ^ e ^ j ^ l ^ c,
g = q,
h = s,
k = t;
q = (f << 24 | f << 16 | f << 8 | f) ^ c,
s = (f << 24 | f << 16 | f << 8 | f) ^ c,
t = (f << 24 | f << 16 | f << 8 | f) ^ c,
n = (f << 24 | f << 16 | f << 8 | f) ^ c,
a = q,
a = s,
a = t,
a = n
},
keySize: 8
});
u.AES = p._createHelper(d)
} ();
var test1 = function(data, secret) {
return CryptoJS.AES.encrypt(data, secret) + ""
}
function getpwd(a, b) {
var a = test1(a, b); return a
}
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