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  • python3 aes加解密代码(PCKS7,CBC模式,Base64结果)

    JS代码

    /*
    CryptoJS v3.1.2
    code.google.com/p/crypto-js
    (c) 2009-2013 by Jeff Mott. All rights reserved.
    code.google.com/p/crypto-js/wiki/License
    */
    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;
                a && c.mixIn(a);
                c.hasOwnProperty("init") || (c.init = function() {
                    c.$super.init.apply(this, arguments)
                }
                );
                c.init.prototype = c;
                c.$super = this;
                return c
            },
            create: function() {
                var a = this.extend();
                a.init.apply(a, arguments);
                return a
            },
            init: function() {},
            mixIn: function(a) {
                for (var c in a)
                    a.hasOwnProperty(c) && (this[c] = a[c]);
                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 = c != p ? 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;
                a = a.sigBytes;
                this.clamp();
                if (j % 4)
                    for (var k = 0; k < a; k++)
                        c[j + k >>> 2] |= (e[k >>> 2] >>> 24 - 8 * (k % 4) & 255) << 24 - 8 * ((j + k) % 4);
                else if (65535 < e.length)
                    for (k = 0; k < a; k += 4)
                        c[j + k >>> 2] = e[k >>> 2];
                else
                    c.push.apply(c, e);
                this.sigBytes += a;
                return this
            },
            clamp: function() {
                var a = this.words
                  , c = this.sigBytes;
                a[c >>> 2] &= 4294967295 << 32 - 8 * (c % 4);
                a.length = u.ceil(c / 4)
            },
            clone: function() {
                var a = t.clone.call(this);
                a.words = this.words.slice(0);
                return 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[j >>> 2] >>> 24 - 8 * (j % 4) & 255;
                    e.push((k >>> 4).toString(16));
                    e.push((k & 15).toString(16))
                }
                return e.join("")
            },
            parse: function(a) {
                for (var c = a.length, e = [], j = 0; j < c; j += 2)
                    e[j >>> 3] |= 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[j >>> 2] >>> 24 - 8 * (j % 4) & 255));
                return e.join("")
            },
            parse: function(a) {
                for (var c = a.length, e = [], j = 0; j < c; j++)
                    e[j >>> 2] |= (a.charCodeAt(j) & 255) << 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((b | 0) - this._minBufferSize, 0);
                a = b * k;
                j = u.min(4 * a, j);
                if (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);
                a._data = this._data.clone();
                return 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) {
                this._append(a);
                this._process();
                return this
            },
            finalize: function(a) {
                a && this._append(a);
                return 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[r >>> 2] >>> 24 - 8 * (r % 4) & 255) << 16 | (l[r + 1 >>> 2] >>> 24 - 8 * ((r + 1) % 4) & 255) << 8 | l[r + 2 >>> 2] >>> 24 - 8 * ((r + 2) % 4) & 255, v = 0; 4 > v && r + 0.75 * 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[r >>> 2] |= (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) {
            b = b + (n & a | ~n & c) + e + k;
            return (b << j | b >>> 32 - j) + n
        }
        function d(b, n, a, c, e, j, k) {
            b = b + (n & c | a & ~c) + e + k;
            return (b << j | b >>> 32 - j) + n
        }
        function l(b, n, a, c, e, j, k) {
            b = b + (n ^ a ^ c) + e + k;
            return (b << j | b >>> 32 - j) + n
        }
        function s(b, n, a, c, e, j, k) {
            b = b + (a ^ (n | ~c)) + e + k;
            return (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[x] = 4294967296 * u.abs(u.sin(x + 1)) | 0;
        r = r.MD5 = v.extend({
            _doReset: function() {
                this._hash = new w.init([1732584193, 4023233417, 2562383102, 271733878])
            },
            _doProcessBlock: function(q, n) {
                for (var a = 0; 16 > a; a++) {
                    var c = n + a
                      , e = q[c];
                    q[c] = (e << 8 | e >>> 24) & 16711935 | (e << 24 | e >>> 8) & 4278255360
                }
                var a = this._hash.words
                  , c = q[n + 0]
                  , e = q[n + 1]
                  , j = q[n + 2]
                  , k = q[n + 3]
                  , z = q[n + 4]
                  , r = q[n + 5]
                  , t = q[n + 6]
                  , w = q[n + 7]
                  , v = q[n + 8]
                  , A = q[n + 9]
                  , B = q[n + 10]
                  , C = q[n + 11]
                  , u = q[n + 12]
                  , D = q[n + 13]
                  , E = q[n + 14]
                  , x = q[n + 15]
                  , f = a[0]
                  , m = a[1]
                  , g = a[2]
                  , h = a[3]
                  , f = p(f, m, g, h, c, 7, b[0])
                  , h = p(h, f, m, g, e, 12, b[1])
                  , g = p(g, h, f, m, j, 17, b[2])
                  , m = p(m, g, h, f, k, 22, b[3])
                  , f = p(f, m, g, h, z, 7, b[4])
                  , h = p(h, f, m, g, r, 12, b[5])
                  , g = p(g, h, f, m, t, 17, b[6])
                  , m = p(m, g, h, f, w, 22, b[7])
                  , f = p(f, m, g, h, v, 7, b[8])
                  , h = p(h, f, m, g, A, 12, b[9])
                  , g = p(g, h, f, m, B, 17, b[10])
                  , m = p(m, g, h, f, C, 22, b[11])
                  , f = p(f, m, g, h, u, 7, b[12])
                  , h = p(h, f, m, g, D, 12, b[13])
                  , g = p(g, h, f, m, E, 17, b[14])
                  , m = p(m, g, h, f, x, 22, b[15])
                  , f = d(f, m, g, h, e, 5, b[16])
                  , h = d(h, f, m, g, t, 9, b[17])
                  , g = d(g, h, f, m, C, 14, b[18])
                  , m = d(m, g, h, f, c, 20, b[19])
                  , f = d(f, m, g, h, r, 5, b[20])
                  , h = d(h, f, m, g, B, 9, b[21])
                  , g = d(g, h, f, m, x, 14, b[22])
                  , m = d(m, g, h, f, z, 20, b[23])
                  , f = d(f, m, g, h, A, 5, b[24])
                  , h = d(h, f, m, g, E, 9, b[25])
                  , g = d(g, h, f, m, k, 14, b[26])
                  , m = d(m, g, h, f, v, 20, b[27])
                  , f = d(f, m, g, h, D, 5, b[28])
                  , h = d(h, f, m, g, j, 9, b[29])
                  , g = d(g, h, f, m, w, 14, b[30])
                  , m = d(m, g, h, f, u, 20, b[31])
                  , f = l(f, m, g, h, r, 4, b[32])
                  , h = l(h, f, m, g, v, 11, b[33])
                  , g = l(g, h, f, m, C, 16, b[34])
                  , m = l(m, g, h, f, E, 23, b[35])
                  , f = l(f, m, g, h, e, 4, b[36])
                  , h = l(h, f, m, g, z, 11, b[37])
                  , g = l(g, h, f, m, w, 16, b[38])
                  , m = l(m, g, h, f, B, 23, b[39])
                  , f = l(f, m, g, h, D, 4, b[40])
                  , h = l(h, f, m, g, c, 11, b[41])
                  , g = l(g, h, f, m, k, 16, b[42])
                  , m = l(m, g, h, f, t, 23, b[43])
                  , f = l(f, m, g, h, A, 4, b[44])
                  , h = l(h, f, m, g, u, 11, b[45])
                  , g = l(g, h, f, m, x, 16, b[46])
                  , m = l(m, g, h, f, j, 23, b[47])
                  , f = s(f, m, g, h, c, 6, b[48])
                  , h = s(h, f, m, g, w, 10, b[49])
                  , g = s(g, h, f, m, E, 15, b[50])
                  , m = s(m, g, h, f, r, 21, b[51])
                  , f = s(f, m, g, h, u, 6, b[52])
                  , h = s(h, f, m, g, k, 10, b[53])
                  , g = s(g, h, f, m, B, 15, b[54])
                  , m = s(m, g, h, f, e, 21, b[55])
                  , f = s(f, m, g, h, v, 6, b[56])
                  , h = s(h, f, m, g, x, 10, b[57])
                  , g = s(g, h, f, m, t, 15, b[58])
                  , m = s(m, g, h, f, D, 21, b[59])
                  , f = s(f, m, g, h, z, 6, b[60])
                  , h = s(h, f, m, g, C, 10, b[61])
                  , g = s(g, h, f, m, j, 15, b[62])
                  , m = s(m, g, h, f, A, 21, b[63]);
                a[0] = a[0] + f | 0;
                a[1] = a[1] + m | 0;
                a[2] = a[2] + g | 0;
                a[3] = a[3] + h | 0
            },
            _doFinalize: function() {
                var b = this._data
                  , n = b.words
                  , a = 8 * this._nDataBytes
                  , c = 8 * b.sigBytes;
                n[c >>> 5] |= 128 << 24 - c % 32;
                var e = u.floor(a / 4294967296);
                n[(c + 64 >>> 9 << 4) + 15] = (e << 8 | e >>> 24) & 16711935 | (e << 24 | e >>> 8) & 4278255360;
                n[(c + 64 >>> 9 << 4) + 14] = (a << 8 | a >>> 24) & 16711935 | (a << 24 | a >>> 8) & 4278255360;
                b.sigBytes = 4 * (n.length + 1);
                this._process();
                b = this._hash;
                n = b.words;
                for (a = 0; 4 > a; a++)
                    c = n[a],
                    n[a] = (c << 8 | c >>> 24) & 16711935 | (c << 24 | c >>> 8) & 4278255360;
                return b
            },
            clone: function() {
                var b = v.clone.call(this);
                b._hash = this._hash.clone();
                return 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)
                }
                b.sigBytes = 4 * q;
                return 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) {
                this._append(e);
                return this._process()
            },
            finalize: function(e) {
                e && this._append(e);
                return 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 = u : c = this._prevBlock;
            for (var d = 0; d < b; d++)
                e[a + d] ^= c[d]
        }
          , 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 -= a.words[a.sigBytes - 1 >>> 2] & 255
            }
        };
        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;
                a = a.salt;
                return (a ? s.create([1398893684, 1701076831]).concat(a).concat(b) : b).toString(r)
            },
            parse: function(a) {
                a = r.parse(a);
                var b = a.words;
                if (1398893684 == b[0] && 1701076831 == b[1]) {
                    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);
                b = l.finalize(b);
                l = l.cfg;
                return 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) {
                d = this.cfg.extend(d);
                b = this._parse(b, d.format);
                return 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) {
                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;
                return 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) {
                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);
                return b
            },
            decrypt: function(b, c, d, l) {
                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;
                return 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[c] = 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 ^ k & 255 ^ 99;
            l[e] = k;
            s[k] = e;
            var z = a[e]
              , F = a[z]
              , G = a[F]
              , y = 257 * a[k] ^ 16843008 * k;
            t[e] = y << 24 | y >>> 8;
            r[e] = y << 16 | y >>> 16;
            w[e] = y << 8 | y >>> 24;
            v[e] = y;
            y = 16843009 * G ^ 65537 * F ^ 257 * z ^ 16843008 * e;
            b[k] = y << 24 | y >>> 8;
            x[k] = y << 16 | y >>> 16;
            q[k] = y << 8 | y >>> 24;
            n[k] = y;
            e ? (e = z ^ a[a[a[G ^ z]]],
            j ^= a[a[j]]) : e = j = 1
        }
        var H = [0, 1, 2, 4, 8, 16, 32, 64, 128, 27, 54]
          , 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[j] = c[j];
                    else {
                        var k = e[j - 1];
                        j % d ? 6 < d && 4 == j % d && (k = l[k >>> 24] << 24 | l[k >>> 16 & 255] << 16 | l[k >>> 8 & 255] << 8 | l[k & 255]) : (k = k << 8 | k >>> 24,
                        k = l[k >>> 24] << 24 | l[k >>> 16 & 255] << 16 | l[k >>> 8 & 255] << 8 | l[k & 255],
                        k ^= H[j / d | 0] << 24);
                        e[j] = e[j - d] ^ k
                    }
                c = this._invKeySchedule = [];
                for (d = 0; d < a; d++)
                    j = a - d,
                    k = d % 4 ? e[j] : e[j - 4],
                    c[d] = 4 > d || 4 >= j ? k : b[l[k >>> 24]] ^ x[l[k >>> 16 & 255]] ^ q[l[k >>> 8 & 255]] ^ n[l[k & 255]]
            },
            encryptBlock: function(a, b) {
                this._doCryptBlock(a, b, this._keySchedule, t, r, w, v, l)
            },
            decryptBlock: function(a, c) {
                var d = a[c + 1];
                a[c + 1] = a[c + 3];
                a[c + 3] = d;
                this._doCryptBlock(a, c, this._invKeySchedule, b, x, q, n, s);
                d = a[c + 1];
                a[c + 1] = a[c + 3];
                a[c + 3] = d
            },
            _doCryptBlock: function(a, b, c, d, e, j, l, f) {
                for (var m = this._nRounds, g = a[b] ^ c[0], h = a[b + 1] ^ c[1], k = a[b + 2] ^ c[2], n = a[b + 3] ^ c[3], p = 4, r = 1; r < m; r++)
                    var q = d[g >>> 24] ^ e[h >>> 16 & 255] ^ j[k >>> 8 & 255] ^ l[n & 255] ^ c[p++]
                      , s = d[h >>> 24] ^ e[k >>> 16 & 255] ^ j[n >>> 8 & 255] ^ l[g & 255] ^ c[p++]
                      , t = d[k >>> 24] ^ e[n >>> 16 & 255] ^ j[g >>> 8 & 255] ^ l[h & 255] ^ c[p++]
                      , n = d[n >>> 24] ^ e[g >>> 16 & 255] ^ j[h >>> 8 & 255] ^ l[k & 255] ^ c[p++]
                      , g = q
                      , h = s
                      , k = t;
                q = (f[g >>> 24] << 24 | f[h >>> 16 & 255] << 16 | f[k >>> 8 & 255] << 8 | f[n & 255]) ^ c[p++];
                s = (f[h >>> 24] << 24 | f[k >>> 16 & 255] << 16 | f[n >>> 8 & 255] << 8 | f[g & 255]) ^ c[p++];
                t = (f[k >>> 24] << 24 | f[n >>> 16 & 255] << 16 | f[g >>> 8 & 255] << 8 | f[h & 255]) ^ c[p++];
                n = (f[n >>> 24] << 24 | f[g >>> 16 & 255] << 16 | f[h >>> 8 & 255] << 8 | f[k & 255]) ^ c[p++];
                a[b] = q;
                a[b + 1] = s;
                a[b + 2] = t;
                a[b + 3] = n
            },
            keySize: 8
        });
        u.AES = p._createHelper(d)
    }
    )();
    
    
    var key ="dm2GWcnZn3e7BbENi4GkQmdba3fMDPKP";    //秘钥
    var iv = "1234567890123456";  //初始向量IV
    function encrypt(text){
        return CryptoJS.AES.encrypt(text,CryptoJS.enc.Utf8.parse(key),{
            iv:CryptoJS.enc.Utf8.parse(iv),
            mode:CryptoJS.mode.CBC,  // CBC模式
            padding:CryptoJS.pad.Pkcs7 // 这里选择的填充类型为Pkcs7 ,还可能是ZeroPadding    NoPadding
        })
    }
    function decrypt(text){
        var result = CryptoJS.AES.decrypt(text,CryptoJS.enc.Utf8.parse(key),{
            iv:CryptoJS.enc.Utf8.parse(iv),
            mode:CryptoJS.mode.CBC,  //解密的模式必须和加密的模式相同,包括填充类型也需要相同。
            padding:CryptoJS.pad.Pkcs7
        })
        return result.toString(CryptoJS.enc.Utf8)
    }
    var text="hello";
    var encoded=encrypt(text)
    console.log(encoded.toString());
    
    

    安装模块

    python3.6 -m pip install  pycryptodome 
    
    

    导入模块

    from Crypto.PublicKey import RSA
    from Crypto.Cipher import AES
    from Crypto.Signature import PKCS1_v1_5
    from Crypto.Hash import SHA256
    

    ECB模式

    ECB模式是分块进行加密的,可以实现并行加密,但是因为是分别加密的,如果遇到相同的明文,加密之后的密文也是一样的,那么它的安全性就降低了。

    import base64
    from Crypto.Cipher import AES
    
    class UseAES:
        """
        AES
        除了MODE_SIV模式key长度为:32, 48, or 64,
        其余key长度为16, 24 or 32
        详细见AES内部文档
        CBC模式传入iv参数
        本例使用常用的ECB模式
        """
        def __init__(self, key):
            if len(key) > 32:
                key = key[:32]
            self.key = self.to_16(key)
    
        @staticmethod
        def to_16(key):
            """
            转为16倍数的bytes数据
            :param key:
            :return:
            """
            key = bytes(key, encoding="utf8")
            while len(key) % 16 != 0:
                key += b''
            return key  # 返回bytes
    
        def aes(self):
            return AES.new(self.key, AES.MODE_ECB)  # 初始化加密器
    
        def encrypt(self, text):
            aes = self.aes()
            return str(base64.encodebytes(aes.encrypt(self.to_16(text))),
                       encoding='utf8').replace('
    ', '')  # 加密
    
        def decode_bytes(self, text):
            aes = self.aes()
            return str(aes.decrypt(base64.decodebytes(bytes(
                text, encoding='utf8'))).rstrip(b'').decode("utf8"))  # 解密
    
    if __name__ == '__main__':
        aes_test = UseAES("xianyuxuepython")
        a = aes_test.encrypt("咸鱼学Python")
        print(a)
        b = aes_test.decode_bytes(a)
        print(b)
    

    CBC模式

    CBC模式在加密之前有一个iv向量进行异或操作,进而增加了加密的复杂度。

    """
    AES加密解密工具类
    @author jzx
    @date   2018/10/24
    此工具类加密解密结果与 http://tool.chacuo.net/cryptaes 结果一致
    数据块128位
    key 为16位
    iv 为16位,且与key相等
    字符集utf-8
    输出为base64
    AES加密模式 为cbc
    填充 pkcs7padding
    """
    
    import base64
    from Crypto.Cipher import AES
    from  hashlib import md5
    import random
    
    
    def pkcs7padding(text):
        """
        明文使用PKCS7填充
        最终调用AES加密方法时,传入的是一个byte数组,要求是16的整数倍,因此需要对明文进行处理
        :param text: 待加密内容(明文)
        :return:
        """
        bs = AES.block_size  # 16
        length = len(text)
        bytes_length = len(bytes(text, encoding='utf-8'))
        # tips:utf-8编码时,英文占1个byte,而中文占3个byte
        padding_size = length if(bytes_length == length) else bytes_length
        padding = bs - padding_size % bs
        # tips:chr(padding)看与其它语言的约定,有的会使用''
        padding_text = chr(padding) * padding
        return text + padding_text
    
    
    def pkcs7unpadding(text):
        """
        处理使用PKCS7填充过的数据
        :param text: 解密后的字符串
        :return:
        """
        length = len(text)
        unpadding = ord(text[length-1])
        return text[0:length-unpadding]
    
    
    def encrypt(key, content):
        """
        AES加密
        key,iv使用同一个
        模式cbc
        填充pkcs7
        :param key: 密钥
        :param content: 加密内容
        :return:
        """
        key_bytes = bytes(key, encoding='utf-8')
        cipher = AES.new(key_bytes, AES.MODE_CBC, b"1234567890123456")
        # 处理明文
        content_padding = pkcs7padding(content)
        # 加密
        encrypt_bytes = cipher.encrypt(bytes(content_padding, encoding='utf-8'))
        # 重新编码
        result = str(base64.b64encode(encrypt_bytes), encoding='utf-8')
        return result
    
    
    def decrypt(key, content):
        """
        AES解密
         key,iv使用同一个
        模式cbc
        去填充pkcs7
        :param key:
        :param content:
        :return:
        """
        key_bytes = bytes(key, encoding='utf-8')
        cipher = AES.new(key_bytes, AES.MODE_CBC, b"1234567890123456")
        # base64解码
        encrypt_bytes = base64.b64decode(content)
        # 解密
        decrypt_bytes = cipher.decrypt(encrypt_bytes)
        # 重新编码
        result = str(decrypt_bytes, encoding='utf-8')
        # 去除填充内容
        result = pkcs7unpadding(result)
        return result
    
    
    def get_key(n):
        """
        获取密钥 n 密钥长度
        :return:
        """
        c_length = int(n)
        source = 'ABCDEFGHJKMNPQRSTWXYZabcdefhijkmnprstwxyz2345678'
        length = len(source) - 1
        result = ''
        for i in range(c_length):
            result += source[random.randint(0, length)]
        return result
    
    
    # Test
    # 非16字节的情况
    aes_key = "dm2GWcnZn3e7BbENi4GkQmdba3fMDPKP"
    source_en = 'hello'
    encrypt_en = encrypt(aes_key, source_en)
    print(encrypt_en)
    

    参考资料

    https://www.jianshu.com/p/5d27888e7c93

    https://www.cnblogs.com/xuchunlin/p/11421795.html

    https://www.zhangkunzhi.com/archives/163

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  • 原文地址:https://www.cnblogs.com/c-x-a/p/12386392.html
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