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https://github.com/gchq/CyberChef.git
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add formatter
This commit is contained in:
Hare Sudhan
parent
c4e7c41a6e
commit
ce30989adc
693 changed files with 51226 additions and 26671 deletions
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@ -10,27 +10,27 @@
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* A set of randomised example SIGABA cipher/control rotors (these rotors are interchangeable). Cipher and control rotors can be referred to as C and R rotors respectively.
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*/
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export const CR_ROTORS = [
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{name: "Example 1", value: "SRGWANHPJZFXVIDQCEUKBYOLMT"},
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{name: "Example 2", value: "THQEFSAZVKJYULBODCPXNIMWRG"},
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{name: "Example 3", value: "XDTUYLEVFNQZBPOGIRCSMHWKAJ"},
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{name: "Example 4", value: "LOHDMCWUPSTNGVXYFJREQIKBZA"},
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{name: "Example 5", value: "ERXWNZQIJYLVOFUMSGHTCKPBDA"},
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{name: "Example 6", value: "FQECYHJIOUMDZVPSLKRTGWXBAN"},
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{name: "Example 7", value: "TBYIUMKZDJSOPEWXVANHLCFQGR"},
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{name: "Example 8", value: "QZUPDTFNYIAOMLEBWJXCGHKRSV"},
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{name: "Example 9", value: "CZWNHEMPOVXLKRSIDGJFYBTQAU"},
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{name: "Example 10", value: "ENPXJVKYQBFZTICAGMOHWRLDUS"}
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{ name: "Example 1", value: "SRGWANHPJZFXVIDQCEUKBYOLMT" },
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{ name: "Example 2", value: "THQEFSAZVKJYULBODCPXNIMWRG" },
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{ name: "Example 3", value: "XDTUYLEVFNQZBPOGIRCSMHWKAJ" },
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{ name: "Example 4", value: "LOHDMCWUPSTNGVXYFJREQIKBZA" },
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{ name: "Example 5", value: "ERXWNZQIJYLVOFUMSGHTCKPBDA" },
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{ name: "Example 6", value: "FQECYHJIOUMDZVPSLKRTGWXBAN" },
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{ name: "Example 7", value: "TBYIUMKZDJSOPEWXVANHLCFQGR" },
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{ name: "Example 8", value: "QZUPDTFNYIAOMLEBWJXCGHKRSV" },
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{ name: "Example 9", value: "CZWNHEMPOVXLKRSIDGJFYBTQAU" },
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{ name: "Example 10", value: "ENPXJVKYQBFZTICAGMOHWRLDUS" },
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];
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/**
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* A set of randomised example SIGABA index rotors (may be referred to as I rotors).
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*/
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export const I_ROTORS = [
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{name: "Example 1", value: "6201348957"},
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{name: "Example 2", value: "6147253089"},
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{name: "Example 3", value: "8239647510"},
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{name: "Example 4", value: "7194835260"},
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{name: "Example 5", value: "4873205916"}
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{ name: "Example 1", value: "6201348957" },
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{ name: "Example 2", value: "6147253089" },
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{ name: "Example 3", value: "8239647510" },
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{ name: "Example 4", value: "7194835260" },
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{ name: "Example 5", value: "4873205916" },
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];
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export const NUMBERS = "0123456789".split("");
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@ -43,8 +43,8 @@ export const NUMBERS = "0123456789".split("");
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*/
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export function convToUpperCase(letter) {
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const charCode = letter.charCodeAt();
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if (97<=charCode && charCode<=122) {
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return String.fromCharCode(charCode-32);
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if (97 <= charCode && charCode <= 122) {
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return String.fromCharCode(charCode - 32);
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}
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return letter;
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}
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@ -53,7 +53,6 @@ export function convToUpperCase(letter) {
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* The SIGABA machine consisting of the 3 rotor banks: cipher, control and index banks.
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*/
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export class SigabaMachine {
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/**
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* SigabaMachine constructor
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*
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@ -137,14 +136,12 @@ export class SigabaMachine {
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}
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return plaintext;
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}
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}
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/**
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* The cipher rotor bank consists of 5 cipher rotors in either a forward or reversed orientation.
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*/
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export class CipherBank {
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/**
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* CipherBank constructor
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*
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@ -187,7 +184,13 @@ export class CipherBank {
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* @param {number[]} indexInputs - the inputs from the index rotors
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*/
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step(indexInputs) {
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const logicDict = {0: [0, 9], 1: [7, 8], 2: [5, 6], 3: [3, 4], 4: [1, 2]};
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const logicDict = {
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0: [0, 9],
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1: [7, 8],
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2: [5, 6],
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3: [3, 4],
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4: [1, 2],
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};
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const rotorsToMove = [];
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for (const key in logicDict) {
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const item = logicDict[key];
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@ -202,14 +205,12 @@ export class CipherBank {
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rotor.step();
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}
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}
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}
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/**
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* The control rotor bank consists of 5 control rotors in either a forward or reversed orientation. Signals to the control rotor bank always go from right-to-left.
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*/
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export class ControlBank {
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/**
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* ControlBank constructor. The rotors have been reversed as signals go from right-to-left through the control rotors.
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*
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@ -238,8 +239,23 @@ export class ControlBank {
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* @returns {number[]}
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*/
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getOutputs() {
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const outputs = [this.crypt("F"), this.crypt("G"), this.crypt("H"), this.crypt("I")];
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const logicDict = {1: "B", 2: "C", 3: "DE", 4: "FGH", 5: "IJK", 6: "LMNO", 7: "PQRST", 8: "UVWXYZ", 9: "A"};
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const outputs = [
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this.crypt("F"),
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this.crypt("G"),
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this.crypt("H"),
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this.crypt("I"),
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];
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const logicDict = {
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1: "B",
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2: "C",
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3: "DE",
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4: "FGH",
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5: "IJK",
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6: "LMNO",
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7: "PQRST",
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8: "UVWXYZ",
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9: "A",
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};
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const numberOutputs = [];
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for (const key in logicDict) {
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const item = logicDict[key];
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@ -257,7 +273,9 @@ export class ControlBank {
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* Steps the control rotors. Only 3 of the control rotors step: one after every encryption, one after every 26, and one after every 26 squared.
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*/
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step() {
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const MRotor = this.rotors[1], FRotor = this.rotors[2], SRotor = this.rotors[3];
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const MRotor = this.rotors[1],
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FRotor = this.rotors[2],
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SRotor = this.rotors[3];
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// 14 is the offset of "O" from "A" - the next rotor steps once the previous rotor reaches "O"
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if (FRotor.state === 14) {
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if (MRotor.state === 14) {
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@ -278,14 +296,12 @@ export class ControlBank {
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this.step();
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return outputs;
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}
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}
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/**
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* The index rotor bank consists of 5 index rotors all placed in the forwards orientation.
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*/
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export class IndexBank {
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/**
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* IndexBank constructor
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*
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@ -321,14 +337,12 @@ export class IndexBank {
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}
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return outputs;
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}
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}
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/**
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* Rotor class
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*/
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export class Rotor {
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/**
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* Rotor constructor
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*
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@ -350,12 +364,12 @@ export class Rotor {
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* @returns {number[]}
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*/
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getNumMapping(wireSetting, rev) {
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if (rev===false) {
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if (rev === false) {
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return wireSetting;
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} else {
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const length = wireSetting.length;
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const tempMapping = new Array(length);
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for (let i=0; i<length; i++) {
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for (let i = 0; i < length; i++) {
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tempMapping[wireSetting[i]] = i;
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}
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return tempMapping;
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@ -371,18 +385,18 @@ export class Rotor {
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getPosMapping(rev) {
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const length = this.numMapping.length;
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const posMapping = [];
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if (rev===false) {
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for (let i = this.state; i < this.state+length; i++) {
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let res = i%length;
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if (res<0) {
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if (rev === false) {
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for (let i = this.state; i < this.state + length; i++) {
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let res = i % length;
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if (res < 0) {
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res += length;
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}
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posMapping.push(res);
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}
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} else {
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for (let i = this.state; i > this.state-length; i--) {
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let res = i%length;
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if (res<0) {
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for (let i = this.state; i > this.state - length; i--) {
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let res = i % length;
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if (res < 0) {
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res += length;
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}
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posMapping.push(res);
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@ -418,14 +432,12 @@ export class Rotor {
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this.posMapping.splice(0, 0, lastNum);
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this.state = this.posMapping[0];
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}
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}
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/**
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* A CRRotor is a cipher (C) or control (R) rotor. These rotors are identical and interchangeable. A C or R rotor consists of 26 contacts, one for each letter, and may be put into either a forwards of reversed orientation.
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*/
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export class CRRotor extends Rotor {
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/**
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* CRRotor constructor
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*
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@ -433,7 +445,7 @@ export class CRRotor extends Rotor {
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* @param {char} key - initial state of rotor
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* @param {bool} rev - true if reversed, false if not
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*/
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constructor(wireSetting, key, rev=false) {
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constructor(wireSetting, key, rev = false) {
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wireSetting = wireSetting.split("").map(CRRotor.letterToNum);
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super(wireSetting, CRRotor.letterToNum(key), rev);
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}
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@ -445,7 +457,7 @@ export class CRRotor extends Rotor {
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* @returns {number}
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*/
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static letterToNum(letter) {
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return letter.charCodeAt()-65;
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return letter.charCodeAt() - 65;
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}
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/**
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@ -455,7 +467,7 @@ export class CRRotor extends Rotor {
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* @returns {char}
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*/
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static numToLetter(num) {
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return String.fromCharCode(num+65);
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return String.fromCharCode(num + 65);
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}
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/**
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@ -470,14 +482,12 @@ export class CRRotor extends Rotor {
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const outPos = this.cryptNum(inputPos, direction);
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return CRRotor.numToLetter(outPos);
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}
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}
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/**
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* An IRotor is an index rotor, which consists of 10 contacts each numbered from 0 to 9. Unlike C and R rotors, they cannot be put in the reversed orientation. The index rotors do not step at any point during encryption or decryption.
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*/
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export class IRotor extends Rotor {
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/**
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* IRotor constructor
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*
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@ -498,5 +508,4 @@ export class IRotor extends Rotor {
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crypt(inputPos) {
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return this.cryptNum(inputPos, "leftToRight");
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}
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}
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