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Add two-way client/server encryption
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Havana-Server/src/main/java/org/alexdev/havana/game/encryption/Cryptography.java
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| package org.alexdev.havana.game.encryption; | ||
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| import java.util.ArrayList; | ||
| import java.util.HashMap; | ||
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| public class Cryptography { | ||
| private int[] pR3hu24v5; | ||
| private int[] artificialKey; | ||
| private int[] tKey; | ||
| private int j, i, q; | ||
| private String pTableStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; | ||
| private HashMap<Integer, Integer> pTableList = new HashMap<>(); | ||
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| public Cryptography(int[] tMyKey) { | ||
| //String tMyKeyS = String.valueOf(tMyKey); | ||
| this.pR3hu24v5 = new int[256]; | ||
| this.tKey = new int[256]; | ||
| this.artificialKey = new int[]{204, 53, 74, 109, 63, 4, 163, 182, 210, 186, 19, 162, 160, 115, 139, 83, 235, 177, 14, 15, 11, 127, 4, 210, 222, 138, 10, 138, 151, 236, 158, 186, 67, 1, 168, 69, 139, 214, 243, 32, 157, 161, 211, 155, 20, 192, 214, 155, 12, 153, 192, 112, 98, 146, 33, 30, 22, 131, 81, 161, 105, 142, 103, 204, 112, 9, 167, 185, 176, 51, 27, 166, 249, 228, 24, 165, 197, 25, 166, 216, 74, 14, 104, 15, 77, 49, 6, 50, 65, 126, 10, 187, 15, 17, 189, 155, 246, 221, 92, 104, 79, 87, 186, 88, 80, 50, 223, 126, 148, 217, 81, 223, 91, 70, 165, 237, 150, 95, 195, 205, 199, 176, 156, 122, 187, 232, 252, 230, 169, 94, 157, 194, 44, 164, 208, 22, 141, 139, 167, 236, 201, 42, 130, 14, 44, 57, 253, 224, 130, 118, 242, 226, 146, 202, 154, 40, 201, 171, 160, 91, 143, 144, 150, 197, 169, 204, 121, 131, 139, 112, 214, 196, 74, 123, 159, 220, 77, 176, 151, 73, 125, 135, 166, 26, 176, 31, 255, 234, 91, 30, 218, 41, 121, 17, 45, 3, 234, 35, 185, 52, 112, 108, 65, 72, 184, 93, 225, 113, 62, 0, 110, 38, 43, 15, 44, 114, 162, 167, 69, 40, 103, 144, 114, 215, 228, 47, 112, 235, 179, 211, 116, 237, 70, 167, 36, 224, 183, 11, 0, 74, 145, 241, 153, 40, 151, 211, 231, 199, 235, 176, 109, 95, 160, 141, 137, 236, 39, 17, 246, 97, 120, 227, 12, 1, 195, 239, 150, 169, 85, 226, 23, 58, 145, 157, 37, 218, 132, 168, 94, 15, 240, 24, 152, 230, 249, 80, 145, 208, 209, 144, 154, 228, 197, 40, 6, 248, 90, 15, 1, 82, 145, 77, 220, 27, 167, 0, 149, 0, 103, 53, 226, 242, 175, 9, 177, 130, 65, 216, 107, 4, 194, 71, 135, 231, 151, 178, 188, 220, 33, 152, 120, 165, 73, 124, 32, 215, 127, 130, 29, 40, 20, 3, 212, 254, 106, 42, 98, 7, 8, 129, 195, 30, 74, 118, 169, 81, 88, 235, 149, 232, 181, 182, 206, 82, 163, 26, 116, 37, 41, 50, 63, 185, 165, 2, 81, 10, 149, 103, 211, 168, 34, 55, 32, 233, 16, 238, 219, 235, 170, 255, 244, 12, 89, 211, 88, 33, 24, 38, 190, 75, 70, 86, 89, 2, 189, 134, 207, 65, 6, 148, 124, 22, 57, 21, 118, 227, 173, 21, 236, 236, 139, 189, 230, 153, 153, 182, 230, 216, 26, 0, 9, 50, 32, 189, 97, 3, 208, 201, 103, 163, 96, 0, 42, 11, 173, 98, 102, 76, 31, 243, 59, 71, 223, 252, 186, 157, 231, 90, 212, 83, 10, 69, 69, 165, 209, 112, 157, 237, 24, 90, 4, 44, 247, 32, 159, 126, 171, 99, 216, 196, 228, 217, 157, 143, 32, 16, 111, 67, 106, 231, 10, 167, 13, 240, 182, 105, 52, 12, 84, 91, 243, 205, 180, 180, 35, 58, 238, 240, 0, 209, 48, 249, 243, 209, 93, 10, 22, 183, 5, 177, 110, 16, 188, 201, 240, 194, 11, 76, 219, 67, 254, 176, 139, 66, 81, 138, 109, 178, 71, 143, 74, 217, 52, 0, 127, 190, 12, 214, 231, 84, 239, 165, 155, 89, 95, 106, 62, 30, 182, 137, 85, 39, 221, 51, 188, 149, 104, 167, 71, 11, 220, 212, 246, 114, 10, 4, 216, 127, 233, 231, 178, 174, 181, 29, 49, 118, 177, 108, 156, 174, 118, 196, 216, 106, 203, 96, 65, 12, 140, 248, 152, 35, 152, 17, 89, 136, 138, 94, 5, 190, 92, 189, 16, 216, 61, 70, 165, 36, 238, 167, 16, 61, 206, 140, 226, 251, 37, 225, 211, 111, 42, 195, 36, 248, 233, 67, 146, 100, 244, 23, 154, 103, 48, 4, 15, 33, 169, 151, 13, 151, 115, 173, 37, 103, 172, 23, 182, 29, 22, 25, 54, 46, 188, 14, 24, 12, 182, 241, 163, 90, 121, 172, 29, 73, 191, 91, 232, 229, 197, 200, 32, 7, 67, 214, 141, 248, 10, 135, 168, 4, 144, 17, 94, 228, 76, 202, 130, 174, 251, 170, 100, 173, 232, 183, 132, 130, 35, 163, 1, 154, 134, 56, 202, 13, 190, 224, 56, 107, 107, 244, 16, 12, 149, 220, 120, 245, 179, 103, 85, 255, 195, 187, 191, 82, 225, 13, 206, 106, 60, 212, 12, 211, 247, 112, 185, 5, 56, 226, 236, 179, 181, 208, 204, 16, 159, 158, 36, 65, 101, 148, 23, 89, 125, 27, 61, 117, 255, 142, 32, 138, 105, 166, 203, 253, 113, 138, 30, 247, 250, 198, 21, 244, 113, 40, 161, 229, 179, 100, 76, 30, 177, 69, 87, 90, 9, 135, 254, 108, 99, 145, 195, 145, 138, 223, 237, 52, 126, 244, 109, 171, 44, 0, 187, 129, 127, 49, 220, 100, 253, 0, 116, 93, 87, 39, 245, 5, 54, 203, 241, 155, 255, 125, 80, 253, 75, 71, 242, 147, 153, 148, 214, 91, 33, 181, 78, 10, 82, 171, 89, 179, 221, 144, 224, 138, 112, 254, 152, 186, 190, 224, 44, 251, 60, 133, 65, 70, 72, 203, 126, 123, 212, 108, 68, 185, 42, 208, 51, 11, 177, 3, 24, 207, 14, 148, 113, 55, 1, 19, 179, 31, 133, 11, 227, 72, 145, 242, 157, 244, 239, 129, 124, 109, 56, 134, 56, 95, 110, 161, 73, 151, 136, 67, 176, 201, 193, 70, 53, 31, 238, 84, 81, 65, 50, 182, 20, 17, 247, 179, 217, 14, 34, 182, 97, 55, 117, 176, 108, 234, 147, 89, 168, 7, 251, 212, 22, 107, 63, 248, 179, 222, 167, 214, 136, 74, 53, 47, 120, 233, 131, 41, 167, 220, 56, 12, 51, 125, 207, 112, 179, 211, 47, 134, 223, 112, 223, 46, 249, 24, 64, 58, 36, 187, 77, 132, 116, 116, 111, 36, 127, 217, 177, 24, 58, 102, 166, 105, 119, 234, 187, 198, 77, 153, 23, 157, 103, 92, 33, 136, 182, 131, 154, 141, 149, 4, 117, 213, 226, 64, 116, 55, 6, 159, 126, 225}; | ||
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| for (int k = 0; k < this.pTableStr.length(); k++) { | ||
| this.pTableList.put((int) this.pTableStr.charAt(k), k); | ||
| } | ||
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| int[] tXorVals = new int[] { | ||
| 109, 87, 120, 70, 82, 74, 110, 71, 74, 53, 84, 57, 83, 105, 48, 79, 77, 86, 118, 69, 66, 66, 109, 56, 108, 97, 105, 104, 88, 107, 78, 56, 71, 109, 72, 54, 102, 117, 118, 55, 108, 100, 90, 104, 76, 121, 71, 82, 82, 75, 67, 99, 71, 122, 122, 105, 80, 89, 66, 97, 74, 111, 109 | ||
| }; | ||
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| ArrayList<Integer> tModKey = new ArrayList<>(); | ||
| int l = 0; | ||
| for (int value : tMyKey) { | ||
| int tVal = value ^ tXorVals[l]; | ||
| tModKey.add(tVal); | ||
| l = (l + 1) % tXorVals.length; | ||
| } | ||
| for (int q = 0; q < 256; q++) { | ||
| tKey[q] = tModKey.get(q % tModKey.size()); | ||
| pR3hu24v5[q] = q; | ||
| } | ||
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| j = 0; | ||
| for (int q = 0; q < 256; q++) { | ||
| j = (j + pR3hu24v5[q] + tKey[q]) % 256; | ||
| int k = pR3hu24v5[q]; | ||
| pR3hu24v5[q] = pR3hu24v5[j]; | ||
| pR3hu24v5[j] = k; | ||
| } | ||
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| this.q = 0; | ||
| this.j = 0; | ||
| this.i = 0; | ||
| String tPrMixString = "NV6VVFPoC7FLDlzDUri3qcOAg9cRoFOmsYR9ffDGy5P8HfF6eekX40SFSVfJ1mDb3lcpYRqdg28sp61eHkPukKbqTu1JsVEKiRavi04YtSzUsLXaYSa5BEGwg5G2OF"; | ||
| for (l = 1; l <= 52; l++) { | ||
| this.AkwGx8bHG2kc1xGG4xbdHPCV0fqvK(tPrMixString); | ||
| } | ||
| } | ||
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| public String AkwGx8bHG2kc1xGG4xbdHPCV0fqvK(String tdata) { | ||
| int[] tBytes = new int[tdata.length()]; | ||
| for (int e = 0; e < tdata.length(); e++) { | ||
| int a = (int) tdata.charAt(e); | ||
| if (a > 255) { | ||
| tBytes[e] = (a - (a % 256)) / 256; | ||
| if (a % 256 != 0) { | ||
| tBytes[e] = a % 256; | ||
| } | ||
| } else { | ||
| tBytes[e] = a; | ||
| } | ||
| } | ||
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| int[] tDataOut = new int[tBytes.length]; | ||
| for (int a = 0; a < tBytes.length; a++) { | ||
| q = (q + 1) % 256; | ||
| j = (j + pR3hu24v5[q]) % 256; | ||
| int temp = pR3hu24v5[q]; | ||
| pR3hu24v5[q] = pR3hu24v5[j]; | ||
| pR3hu24v5[j] = temp; | ||
| if ((q & 63) == 63) { | ||
| int tI = 297 * (q + 67) % 256; | ||
| int tJ = (j + pR3hu24v5[tI]) % 256; | ||
| temp = pR3hu24v5[tI]; | ||
| pR3hu24v5[tI] = pR3hu24v5[tJ]; | ||
| pR3hu24v5[tJ] = temp; | ||
| } | ||
| int d = pR3hu24v5[((pR3hu24v5[q] + pR3hu24v5[j]) % 256)]; | ||
| int tResult = tBytes[a] ^ d; | ||
| tDataOut[a] = tResult; | ||
| } | ||
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| StringBuilder tCipher = new StringBuilder(); | ||
| int a = 1; | ||
| while (a <= tDataOut.length) { | ||
| int tNum1 = tDataOut[(a - 1)]; | ||
| int tNum2 = (a < tDataOut.length) ? tDataOut[(a)] : 0; | ||
| int tNum3 = (a + 1 < tDataOut.length) ? tDataOut[(a + 1)] : 0; | ||
| int tByte1 = (tNum1 & 252) / 4; | ||
| int tByte2a = (tNum1 & 3) * 16; | ||
| int tByte2b = (tNum2 & 240) / 16; | ||
| int tByte2 = tByte2a | tByte2b; | ||
| tCipher.append(pTableStr.charAt(tByte1)).append(pTableStr.charAt(tByte2)); | ||
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| if (tDataOut.length > a) { | ||
| int tByte3a = (tNum2 & 15) * 4; | ||
| int tByte3b = (tNum3 & 192) / 64; | ||
| int tByte3 = tByte3a | tByte3b; | ||
| tCipher.append(pTableStr.charAt(tByte3)); | ||
| } | ||
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| if (tDataOut.length > a + 1) { | ||
| int tByte4 = tNum3 & 63; | ||
| tCipher.append(pTableStr.charAt(tByte4)); | ||
| } | ||
| a += 3; | ||
| } | ||
| int i = (int) (Math.random() * 256) - 1; | ||
| return tCipher.toString(); | ||
| } | ||
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| public String kg4R6Jo5xjlqtFGs1klMrK4ZTzb3R(String tdata) { | ||
| StringBuilder tCipher = new StringBuilder(); | ||
| int a = 0; | ||
| while (a < tdata.length()) { | ||
| ArrayList<Integer> tDataIn = new ArrayList<Integer>(); | ||
| int tNum1 = pTableList.get((int)tdata.charAt(a)); | ||
| int tNum2 = pTableList.get((int)tdata.charAt(a + 1)); | ||
| if (tNum2 < 0) { | ||
| tNum2 = 0; | ||
| } | ||
| int tByte1a = tNum1 * 4; | ||
| int tByte1b = (tNum2 & 48) / 16; | ||
| int tByte1 = tByte1a | tByte1b; | ||
| tDataIn.add(tByte1); | ||
| int tNum3 = 0; | ||
| if (tdata.length() > (a + 2)) { | ||
| tNum3 = pTableList.get((int)tdata.charAt(a + 2)); | ||
| if (tNum3 < 0) { | ||
| tNum3 = 0; | ||
| } | ||
| int tByte2a = (tNum2 & 15) * 16; | ||
| int tByte2b = (tNum3 & 60) / 4; | ||
| int tByte2 = tByte2a | tByte2b; | ||
| tDataIn.add(tByte2); | ||
| } | ||
| if (tdata.length() > (a + 3)) { | ||
| int tNum4 = pTableList.get((int)tdata.charAt(a + 3)); | ||
| if (tNum4 < 0) { | ||
| tNum4 = 0; | ||
| } | ||
| int tByte3a = (tNum3 & 3) * 64; | ||
| int tByte3b = tNum4 & 63; | ||
| int tByte3 = tByte3a | tByte3b; | ||
| tDataIn.add(tByte3); | ||
| } | ||
| a = a + 4; | ||
| for (int k = 0; k < tDataIn.size(); k++) { | ||
| q = (q + 1) % 256; | ||
| j = (j + pR3hu24v5[q]) % 256; | ||
| int temp = pR3hu24v5[q]; | ||
| pR3hu24v5[q] = pR3hu24v5[j]; | ||
| pR3hu24v5[j] = temp; | ||
| if ((q & 63) == 63) { | ||
| int tI = 297 * (q + 67) % 256; | ||
| int tJ = (j + pR3hu24v5[tI]) % 256; | ||
| temp = pR3hu24v5[tI]; | ||
| pR3hu24v5[tI] = pR3hu24v5[tJ]; | ||
| pR3hu24v5[tJ] = temp; | ||
| } | ||
| int d = pR3hu24v5[((pR3hu24v5[q] + pR3hu24v5[j]) % 256) ]; | ||
| //System.out.println (tDataIn.get(k) + " / " + d); | ||
| tCipher.append((char) ((tDataIn.get(k) ^ d))); | ||
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| } | ||
| } | ||
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| return tCipher.toString(); | ||
| } | ||
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| } |
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