tykayn/funky-framadate-front
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easy ciphering working with and without salt

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Tykayn 2021-02-09 22:47:57 +01:00 committed by tykayn
parent 760bde7e30
commit 3e0c1ff375
4 changed files with 125 additions and 32 deletions
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5
src/app/features/administration/form/date-select/date-select.component.scss
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@ -17,11 +17,6 @@
.btn + .btn {
margin-left: 1em;
}
.is-boxed {
border: 1px solid #ddd;
padding: 1em;
margin: 1em 0;
}
.cdk-drag-preview {
box-sizing: border-box;

79
src/app/features/shared/components/ui/static-pages/ciphering/ciphering.component.html
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@ -1,22 +1,69 @@
<div class="ciphering padded">
<h2>
Test de chiffrement
Essais de chiffrement pour un framadate zéro knoledge
</h2>
<br />
<input type="text" [(ngModel)]="plainText" (ngModelChange)="encrypt(plainText)" />
texte clair
<br />
<input type="text" [(ngModel)]="salt" />
salt
<br />
<input type="text" [(ngModel)]="key" />
pepper
<div class="columns">
<div class="column">
<section class="boxed-shadow">
<h3>Chiffrement simple</h3>
<input type="text" [(ngModel)]="plainText" (ngModelChange)="encrypt(plainText)" />
texte clair à convertir en truc indéchiffrable (à priori)
<br />
<input type="text" [(ngModel)]="cipheredText" />
texte chiffré
<br />
simple ciphered. On assigne un numéro à chaque caractère, séparé par un tiret en sortie.
<strong class="cipher-result">
<app-copy-text [textToCopy]="simpleCipheredText" [displayLabelButton]="false"></app-copy-text>
{{ simpleCipheredText }}
</strong>
<br />
<h3>Avec un peu de sel?</h3>
<input type="text" [(ngModel)]="salt" />
salt
<br />
simple ciphered avec un sel. on ajoute le sel avant le texte puis on passe le tout dans la conversion
comme ci-dessus.
<strong class="cipher-result">
<app-copy-text
[textToCopy]="simpleCipheredTextWithSalt"
[displayLabelButton]="false"
></app-copy-text>
{{ simpleCipheredTextWithSalt }}
</strong>
</section>
</div>
<div class="column"></div>
</div>
<br />
<input type="text" [(ngModel)]="otherCipheredText" />
texte à déchiffrer
<section class="boxed-shadow">
<h3>Déchiffrement simple</h3>
Collez ici le texte chiffré à convertir en truc lisible par l'opération
<strike>du saint esprit</strike> réalisée dans l'autre sens
<input type="text" [(ngModel)]="cipheredText" />
<br />
simple texte déchiffré
<strong class="cipher-result">
{{ simpleDeCipheredText }}
</strong>
simple texte déchiffré avec sel
<strong class="cipher-result">
{{ simpleDeCipheredTextWithSalt }}
</strong>
</section>
<section class="is-boxed">
<h3>Chiffrement AES</h3>
<app-wip-todo></app-wip-todo>
<input type="text" [(ngModel)]="cipheredText" />
texte avancé à déchiffrer
<br />
<input type="text" [(ngModel)]="salt" />
salt
<input type="text" [(ngModel)]="initial_vector" />
initial_vector
<br />
<input type="text" [(ngModel)]="key" />
key
</section>
</div>

18
src/app/features/shared/components/ui/static-pages/ciphering/ciphering.component.scss
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@ -0,0 +1,18 @@
.boxed-shadow {
padding: 1em;
margin-bottom: 1em;
}
.cipher-result {
border-radius: 3px;
background: #00003b;
color: #7d6c99;
padding: 0.5em;
margin-left: 1em;
display: block;
min-width: 10ch;
min-height: 2em;
max-width: 100%;
overflow: hidden;
line-height: 2em;
}

55
src/app/features/shared/components/ui/static-pages/ciphering/ciphering.component.ts
View File

@ -11,13 +11,15 @@ import * as Crypto from 'crypto';
styleUrls: ['./ciphering.component.scss'],
})
export class CipheringComponent implements OnInit {
public plainText = 'le texte à chiffrer, coucou !';
public cipheredText = '';
// public plainText = 'le texte à chiffrer, coucou !';
public plainText = 'salut les pipole';
public cipheredText =
'121-127-42-110-127-42-122-121-115-128-124-111-125-107-118-127-126-42-118-111-125-42-122-115-122-121-118-111';
algorithm = 'aes-192-cbc';
// public salt = Crypto.randomBytes(16);
// public initial_vector = Crypto.randomBytes(16);
public salt = 'ou du poivre';
public initial_vector = '';
public key;
public otherCipheredText: any;
public otherCipheredText = 'le texte à chiffrer, coucou !';
constructor() {}
@ -25,6 +27,21 @@ export class CipheringComponent implements OnInit {
this.encrypt(this.plainText);
}
// ---------------------- make unreadable ----------------------
get simpleCipheredText() {
return this.convertTextToInt(this.plainText);
}
get simpleCipheredTextWithSalt() {
return this.convertTextToInt(this.salt + this.plainText);
}
// ---------------------- make readable ----------------------
get simpleDeCipheredText() {
return this.convertIntToText(this.cipheredText);
}
get simpleDeCipheredTextWithSalt() {
return this.convertIntToText(this.salt + this.cipheredText);
}
// ---------------------- conversions ----------------------
encrypt(someText) {
// this.key = Crypto.scryptSync(someText, 'salt', 24);
// this.initial_vector = Crypto.randomBytes(16);
@ -40,6 +57,7 @@ export class CipheringComponent implements OnInit {
// this.cipheredText = someText;
// // outputs encrypted hex
// console.log(this.cipheredText);
return someText;
}
decrypt(sometext) {
@ -53,14 +71,29 @@ export class CipheringComponent implements OnInit {
//
// decipher.write(sometext, 'hex');
// decipher.end();
return sometext;
}
convertTextToInt(someText) {
let output = '';
for (let i = 0; i < someText.length; i++) {
output += someText[i].charCodeAt(0);
convertTextToInt(value) {
let result = '';
for (let i = 0; i < value.length; i++) {
if (i < value.length - 1) {
result += value.charCodeAt(i) + 10;
result += '-';
} else {
result += value.charCodeAt(i) + 10;
}
}
return output;
return result;
}
convertIntToText(value) {
let result = '';
const array = value.split('-');
for (let i = 0; i < array.length; i++) {
result += String.fromCharCode(array[i] - 10);
}
// remove salt characters
return result.slice(this.salt.length);
}
}