Merge pull request #2 from gram-js/utils_crypto

Utils crypto

crypto/AES.js

@@ -1,9 +1,14 @@
-const TextEncoder = require("util").TextEncoder;
-const TextDecoder = require("util").TextDecoder;
 const aesjs = require('aes-js');
 
 
 class AES {
+    /**
+     * Decrypts the given text in 16-bytes blocks by using the given key and 32-bytes initialization vector
+     * @param cipherText {Buffer}
+     * @param key {Buffer}
+     * @param iv {Buffer}
+     * @returns {Buffer}
+     */
     static decryptIge(cipherText, key, iv) {
         let iv1 = iv.slice(0, Math.floor(iv.length / 2));
         let iv2 = iv.slice(Math.floor(iv.length / 2));
@@ -30,9 +35,16 @@ class AES {
             ]);
 
         }
-        return plainText;
+        return Buffer.from(plainText);
     }
 
+    /**
+     * Encrypts the given text in 16-bytes blocks by using the given key and 32-bytes initialization vector
+     * @param plainText {Buffer}
+     * @param key {Buffer}
+     * @param iv {Buffer}
+     * @returns {Buffer}
+     */
     static encryptIge(plainText, key, iv) {
         if (plainText.length % 16 !== 0) {
             let padding = new Uint8Array(16 - plainText.length % 16);
@@ -65,7 +77,7 @@ class AES {
                 ...cipherText.slice(blockIndex * 16 + 16)
             ]);
         }
-        return cipherText;
+        return Buffer.from(cipherText);
     }
 
 }

crypto/Factorizator.js

@@ -5,6 +5,7 @@ class Factorizator {
     /**
      * Finds the small multiplier by using Lopatin's method
      * @param what
+     * @return {number}
      */
     static findSmallMultiplierLopatin(what) {
         let g = 0;
@@ -59,7 +60,7 @@ class Factorizator {
      * Calculates the greatest common divisor
      * @param a
      * @param b
-     * @returns {*}
+     * @returns {number}
      */
     static gcd(a, b) {
         while (((a !== 0) && (b !== 0))) {
@@ -81,7 +82,7 @@ class Factorizator {
     /**
      * Factorizes the given number and returns both the divisor and the number divided by the divisor
      * @param pq
-     * @returns {{divisor: *, divided: *}}
+     * @returns {{divisor: number, divided: number}}
      */
     static factorize(pq) {
         let divisor = this.findSmallMultiplierLopatin(pq);

crypto/RSA.js

@@ -1,11 +1,8 @@
-const crypto = require('crypto');
 const helpers = require("../utils/Helpers").helpers;
 
 
-console.log();
-
 class RSA {
-    _server_keys = {
+    static _server_keys = {
         '216be86c022bb4c3': new RSAServerKey("216be86c022bb4c3", parseInt('C150023E2F70DB7985DED064759CFECF0AF328E69A41DAF4D6F01B538135A6F9' +
             '1F8F8B2A0EC9BA9720CE352EFCF6C5680FFC424BD634864902DE0B4BD6D49F4E' +
             '580230E3AE97D95C8B19442B3C0A10D8F5633FECEDD6926A7F6DAB0DDB7D457F' +
@@ -13,7 +10,186 @@ class RSA {
             'EF781D866B34F011FCE4D835A090196E9A5F0E4449AF7EB697DDB9076494CA5F' +
             '81104A305B6DD27665722C46B60E5DF680FB16B210607EF217652E60236C255F' +
             '6A28315F4083A96791D7214BF64C1DF4FD0DB1944FB26A2A57031B32EEE64AD1' +
-            '5A8BA68885CDE74A5BFC920F6ABF59BA5C75506373E7130F9042DA922179251F', 16), parseInt('010001', 16))
+            '5A8BA68885CDE74A5BFC920F6ABF59BA5C75506373E7130F9042DA922179251F', 16), parseInt('010001', 16)),
+// -4344800451088585951
+        '-4344800451088585951': new RSAServerKey(  // Telegram servers //1
+// -----BEGIN RSA PUBLIC KEY-----
+            // MIIBCgKCAQEAwVACPi9w23mF3tBkdZz+zwrzKOaaQdr01vAbU4E1pvkfj4sqDsm6
+            // lyDONS789sVoD/xCS9Y0hkkC3gtL1tSfTlgCMOOul9lcixlEKzwKENj1Yz/s7daS
+            // an9tqw3bfUV/nqgbhGX81v/+7RFAEd+RwFnK7a+XYl9sluzHRyVVaTTveB2GazTw
+            // Efzk2DWgkBluml8OREmvfraX3bkHZJTKX4EQSjBbbdJ2ZXIsRrYOXfaA+xayEGB+
+            // 8hdlLmAjbCVfaigxX0CDqWeR1yFL9kwd9P0NsZRPsmoqVwMbMu7mStFai6aIhc3n
+            // Slv8kg9qv1m6XHVQY3PnEw+QQtqSIXklHwIDAQAB
+// -----END RSA PUBLIC KEY-----
+            "-4344800451088585951",
+            parseInt(
+                "C150023E2F70DB7985DED064759CFECF0AF328E69A41DAF4D6F01B538135A6F9" +
+                "1F8F8B2A0EC9BA9720CE352EFCF6C5680FFC424BD634864902DE0B4BD6D49F4E" +
+                "580230E3AE97D95C8B19442B3C0A10D8F5633FECEDD6926A7F6DAB0DDB7D457F" +
+                "9EA81B8465FCD6FFFEED114011DF91C059CAEDAF97625F6C96ECC74725556934" +
+                "EF781D866B34F011FCE4D835A090196E9A5F0E4449AF7EB697DDB9076494CA5F" +
+                "81104A305B6DD27665722C46B60E5DF680FB16B210607EF217652E60236C255F" +
+                "6A28315F4083A96791D7214BF64C1DF4FD0DB1944FB26A2A57031B32EEE64AD1" +
+                "5A8BA68885CDE74A5BFC920F6ABF59BA5C75506373E7130F9042DA922179251F", +
+                    16
+            ),  // Modulus
+            parseInt("010001", 16)  // Exponent
+        ),
+
+        // 847625836280919973
+        '847625836280919973': new RSAServerKey(  // Telegram servers //2
+// -----BEGIN PUBLIC KEY-----
+            // MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAruw2yP/BCcsJliRoW5eB
+            // VBVle9dtjJw+OYED160Wybum9SXtBBLXriwt4rROd9csv0t0OHCaTmRqBcQ0J8fx
+            // hN6/cpR1GWgOZRUAiQxoMnlt0R93LCX/j1dnVa/gVbCjdSxpbrfY2g2L4frzjJvd
+            // l84Kd9ORYjDEAyFnEA7dD556OptgLQQ2e2iVNq8NZLYTzLp5YpOdO1doK+ttrltg
+            // gTCy5SrKeLoCPPbOgGsdxJxyz5KKcZnSLj16yE5HvJQn0CNpRdENvRUXe6tBP78O
+            // 39oJ8BTHp9oIjd6XWXAsp2CvK45Ol8wFXGF710w9lwCGNbmNxNYhtIkdqfsEcwR5
+            // JwIDAQAB
+// -----END PUBLIC KEY-----
+            '847625836280919973',
+            parseInt(
+                "AEEC36C8FFC109CB099624685B97815415657BD76D8C9C3E398103D7AD16C9BB" +
+                "A6F525ED0412D7AE2C2DE2B44E77D72CBF4B7438709A4E646A05C43427C7F184" +
+                "DEBF72947519680E651500890C6832796DD11F772C25FF8F576755AFE055B0A3" +
+                "752C696EB7D8DA0D8BE1FAF38C9BDD97CE0A77D3916230C4032167100EDD0F9E" +
+                "7A3A9B602D04367B689536AF0D64B613CCBA7962939D3B57682BEB6DAE5B6081" +
+                "30B2E52ACA78BA023CF6CE806B1DC49C72CF928A7199D22E3D7AC84E47BC9427" +
+                "D0236945D10DBD15177BAB413FBF0EDFDA09F014C7A7DA088DDE9759702CA760" +
+                "AF2B8E4E97CC055C617BD74C3D97008635B98DC4D621B4891DA9FB0473047927",
+                16
+            ),  // Modulus
+            parseInt("010001", 16)  // Exponent
+        ),
+
+        // 1562291298945373506
+        '1562291298945373506': new RSAServerKey(  // Telegram servers //3
+// -----BEGIN PUBLIC KEY-----
+            // MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvfLHfYH2r9R70w8prHbl
+            // Wt/nDkh+XkgpflqQVcnAfSuTtO05lNPspQmL8Y2XjVT4t8cT6xAkdgfmmvnvRPOO
+            // KPi0OfJXoRVylFzAQG/j83u5K3kRLbae7fLccVhKZhY46lvsueI1hQdLgNV9n1cQ
+            // 3TDS2pQOCtovG4eDl9wacrXOJTG2990VjgnIKNA0UMoP+KF03qzryqIt3oTvZq03
+            // DyWdGK+AZjgBLaDKSnC6qD2cFY81UryRWOab8zKkWAnhw2kFpcqhI0jdV5QaSCEx
+            // vnsjVaX0Y1N0870931/5Jb9ICe4nweZ9kSDF/gip3kWLG0o8XQpChDfyvsqB9OLV
+// /wIDAQAB
+// -----END PUBLIC KEY-----
+            '1562291298945373506',
+            parseInt(
+                "BDF2C77D81F6AFD47BD30F29AC76E55ADFE70E487E5E48297E5A9055C9C07D2B" +
+                "93B4ED3994D3ECA5098BF18D978D54F8B7C713EB10247607E69AF9EF44F38E28" +
+                "F8B439F257A11572945CC0406FE3F37BB92B79112DB69EEDF2DC71584A661638" +
+                "EA5BECB9E23585074B80D57D9F5710DD30D2DA940E0ADA2F1B878397DC1A72B5" +
+                "CE2531B6F7DD158E09C828D03450CA0FF8A174DEACEBCAA22DDE84EF66AD370F" +
+                "259D18AF806638012DA0CA4A70BAA83D9C158F3552BC9158E69BF332A45809E1" +
+                "C36905A5CAA12348DD57941A482131BE7B2355A5F4635374F3BD3DDF5FF925BF" +
+                "4809EE27C1E67D9120C5FE08A9DE458B1B4A3C5D0A428437F2BECA81F4E2D5FF",
+                16
+            ),  // Modulus
+            parseInt("010001", 16)  // Exponent
+        ),
+
+// -5859577972006586033
+        '-5859577972006586033': new RSAServerKey(  // Telegram servers //4
+// -----BEGIN PUBLIC KEY-----
+            // MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAs/ditzm+mPND6xkhzwFI
+            // z6J/968CtkcSE/7Z2qAJiXbmZ3UDJPGrzqTDHkO30R8VeRM/Kz2f4nR05GIFiITl
+            // 4bEjvpy7xqRDspJcCFIOcyXm8abVDhF+th6knSU0yLtNKuQVP6voMrnt9MV1X92L
+            // GZQLgdHZbPQz0Z5qIpaKhdyA8DEvWWvSUwwc+yi1/gGaybwlzZwqXYoPOhwMebzK
+            // Uk0xW14htcJrRrq+PXXQbRzTMynseCoPIoke0dtCodbA3qQxQovE16q9zz4Otv2k
+            // 4j63cz53J+mhkVWAeWxVGI0lltJmWtEYK6er8VqqWot3nqmWMXogrgRLggv/Nbbo
+            // oQIDAQAB
+// -----END PUBLIC KEY-----
+            '-5859577972006586033',
+            parseInt(
+                "B3F762B739BE98F343EB1921CF0148CFA27FF7AF02B6471213FED9DAA0098976" +
+                "E667750324F1ABCEA4C31E43B7D11F1579133F2B3D9FE27474E462058884E5E1" +
+                "B123BE9CBBC6A443B2925C08520E7325E6F1A6D50E117EB61EA49D2534C8BB4D" +
+                "2AE4153FABE832B9EDF4C5755FDD8B19940B81D1D96CF433D19E6A22968A85DC" +
+                "80F0312F596BD2530C1CFB28B5FE019AC9BC25CD9C2A5D8A0F3A1C0C79BCCA52" +
+                "4D315B5E21B5C26B46BABE3D75D06D1CD33329EC782A0F22891ED1DB42A1D6C0" +
+                "DEA431428BC4D7AABDCF3E0EB6FDA4E23EB7733E7727E9A1915580796C55188D" +
+                "2596D2665AD1182BA7ABF15AAA5A8B779EA996317A20AE044B820BFF35B6E8A1",
+                16
+            ),  // Modulus
+            parseInt("010001", 16)  // Exponent
+        ),
+
+        // 6491968696586960280
+        '6491968696586960280': new RSAServerKey(  // Telegram servers //5
+// -----BEGIN PUBLIC KEY-----
+            // MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvmpxVY7ld/8DAjz6F6q0
+            // 5shjg8/4p6047bn6/m8yPy1RBsvIyvuDuGnP/RzPEhzXQ9UJ5Ynmh2XJZgHoE9xb
+            // nfxL5BXHplJhMtADXKM9bWB11PU1Eioc3+AXBB8QiNFBn2XI5UkO5hPhbb9mJpjA
+            // 9Uhw8EdfqJP8QetVsI/xrCEbwEXe0xvifRLJbY08/Gp66KpQvy7g8w7VB8wlgePe
+            // xW3pT13Ap6vuC+mQuJPyiHvSxjEKHgqePji9NP3tJUFQjcECqcm0yV7/2d0t/pbC
+            // m+ZH1sadZspQCEPPrtbkQBlvHb4OLiIWPGHKSMeRFvp3IWcmdJqXahxLCUS1Eh6M
+            // AQIDAQAB
+// -----END PUBLIC KEY-----
+            '6491968696586960280',
+            parseInt(
+                "BE6A71558EE577FF03023CFA17AAB4E6C86383CFF8A7AD38EDB9FAFE6F323F2D" +
+                "5106CBC8CAFB83B869CFFD1CCF121CD743D509E589E68765C96601E813DC5B9D" +
+                "FC4BE415C7A6526132D0035CA33D6D6075D4F535122A1CDFE017041F1088D141" +
+                "9F65C8E5490EE613E16DBF662698C0F54870F0475FA893FC41EB55B08FF1AC21" +
+                "1BC045DED31BE27D12C96D8D3CFC6A7AE8AA50BF2EE0F30ED507CC2581E3DEC5" +
+                "6DE94F5DC0A7ABEE0BE990B893F2887BD2C6310A1E0A9E3E38BD34FDED254150" +
+                "8DC102A9C9B4C95EFFD9DD2DFE96C29BE647D6C69D66CA500843CFAED6E44019" +
+                "6F1DBE0E2E22163C61CA48C79116FA77216726749A976A1C4B0944B5121E8C01",
+                16
+            ),  // Modulus
+            parseInt("010001", 16)  // Exponent
+        ),
+
+        // 6427105915145367799
+        '6427105915145367799': new RSAServerKey(  // CDN DC-121
+// -----BEGIN RSA PUBLIC KEY-----
+            // MIIBCgKCAQEA+Lf3PvgE1yxbJUCMaEAkV0QySTVpnaDjiednB5RbtNWjCeqSVakY
+            // HbqqGMIIv5WCGdFdrqOfMNcNSstPtSU6R9UmRw6tquOIykpSuUOje9H+4XVIKquj
+            // yL2ISdK+4ZOMl4hCMkqauw4bP1Sbr03vZRQbU6qEA04V4j879BAyBVhr3WG9+Zi+
+            // t5XfGSTgSExPYEl8rZNHYNV5RB+BuroVH2HLTOpT/mJVfikYpgjfWF5ldezV4Wo9
+            // LSH0cZGSFIaeJl8d0A8Eiy5B9gtBO8mL+XfQRKOOmr7a4BM4Ro2de5rr2i2od7hY
+            // Xd3DO9FRSl4y1zA8Am48Rfd95WHF3N/OmQIDAQAB
+// -----END RSA PUBLIC KEY-----
+            '6427105915145367799',
+            parseInt(
+                "F8B7F73EF804D72C5B25408C6840245744324935699DA0E389E76707945BB4D5" +
+                "A309EA9255A9181DBAAA18C208BF958219D15DAEA39F30D70D4ACB4FB5253A47" +
+                "D526470EADAAE388CA4A52B943A37BD1FEE175482AABA3C8BD8849D2BEE1938C" +
+                "978842324A9ABB0E1B3F549BAF4DEF65141B53AA84034E15E23F3BF410320558" +
+                "6BDD61BDF998BEB795DF1924E0484C4F60497CAD934760D579441F81BABA151F" +
+                "61CB4CEA53FE62557E2918A608DF585E6575ECD5E16A3D2D21F471919214869E" +
+                "265F1DD00F048B2E41F60B413BC98BF977D044A38E9ABEDAE01338468D9D7B9A" +
+                "EBDA2DA877B8585DDDC33BD1514A5E32D7303C026E3C45F77DE561C5DCDFCE99",
+                16
+            ),  // Modulus
+            parseInt("010001", 16)  // Exponent
+        ),
+
+        // 2685959930972952888
+        '2685959930972952888': new RSAServerKey(  // CDN DC-140
+// -----BEGIN RSA PUBLIC KEY-----
+            // MIIBCgKCAQEAzuHVC7sE50Kho/yDVZtWnlmA5Bf/aM8KZY3WzS16w6w1sBqipj8o
+            // gMGG7ULbGBtYmKEaI7IIJO6WM2m1MaXVnsqS8d7PaGAZiy8rSN3S7S2a8wp4RXZe
+            // hs0JAXvZeIz45iByCMBfycbJKmSweYkesRUI7hUO8eQhmm/UYUEpJY7VOt0Iemiu
+            // URSpqlRQ2FlcyHahYUNcvbICb4+/AP7coKBn6cB5FyzM7MCcKxbEKOx3Y3MUnbZq
+            // q5pN6/eRazkegyrlp4kuJ94KsbRFHFX5Dx8uzjrO9wi8LF7gIgZu5DRMcmjXJKq6
+            // rGZ2Z9cnrD8pVu1L2vcInd4K6ximZS2hbwIDAQAB
+// -----END RSA PUBLIC KEY-----
+            '2685959930972952888',
+            parseInt(
+                "CEE1D50BBB04E742A1A3FC83559B569E5980E417FF68CF0A658DD6CD2D7AC3AC" +
+                "35B01AA2A63F2880C186ED42DB181B5898A11A23B20824EE963369B531A5D59E" +
+                "CA92F1DECF6860198B2F2B48DDD2ED2D9AF30A7845765E86CD09017BD9788CF8" +
+                "E6207208C05FC9C6C92A64B079891EB11508EE150EF1E4219A6FD4614129258E" +
+                "D53ADD087A68AE5114A9AA5450D8595CC876A161435CBDB2026F8FBF00FEDCA0" +
+                "A067E9C079172CCCECC09C2B16C428EC776373149DB66AAB9A4DEBF7916B391E" +
+                "832AE5A7892E27DE0AB1B4451C55F90F1F2ECE3ACEF708BC2C5EE022066EE434" +
+                "4C7268D724AABAAC667667D727AC3F2956ED4BDAF7089DDE0AEB18A6652DA16F",
+                16
+            ),  // Modulus
+            parseInt("010001", 16)  // Exponent
+        )
+
     };
 
     /**
@@ -62,10 +238,11 @@ class RSAServerKey {
             writer = Buffer.concat([writer, helpers.generateRandomBytes(235 - length)]);
 
         }
-        let result = writer.readBigInt64BE();
+        let result = writer.readIntBE(0, writer.byteLength);
         result = (result ** this.e) % this.m;
         let buffer = Buffer.alloc(256);
-        buffer.writeBigInt64BE(result);
+        buffer.writeUIntBE(result, 0, 256);
+        return buffer;
     }
 }