import { Component, OnInit } from '@angular/core';

const forge = require('node-forge');

@Component({
	selector: 'app-ciphering',
	templateUrl: './ciphering.component.html',
	styleUrls: ['./ciphering.component.scss'],
})
export class CipheringComponent implements OnInit {
	public plainText = 'le texte à chiffrer';
	public cipheredText = '';
	public salt = forge.random.getBytesSync(128);
	public key = forge.random.getBytesSync(128);
	public otherCipheredText: any;

	constructor() {}

	ngOnInit(): void {
		this.encrypt(this.plainText);
	}

	encrypt(someText) {
		// generate a random key and IV
		// Note: a key size of 16 bytes will use AES-128, 24 => AES-192, 32 => AES-256
		// const key = forge.random.getBytesSync(16);
		// const iv = forge.random.getBytesSync(16);

		/* alternatively, generate a password-based 16-byte key
		var salt = forge.random.getBytesSync(128);
		var key = forge.pkcs5.pbkdf2('password', salt, numIterations, 16);
		*/

		// encrypt some bytes using CBC mode
		// (other modes include: ECB, CFB, OFB, CTR, and GCM)
		// Note: CBC and ECB modes use PKCS#7 padding as default
		// const cipher = forge.cipher.createCipher('AES-CBC', this.key);
		// cipher.start({ iv: this.salt });
		// cipher.update(forge.util.createBuffer(someText));
		// cipher.finish();
		// const encrypted = cipher.output;
		// this.cipheredText = encrypted.toHex();
		this.cipheredText = someText;
		// outputs encrypted hex
		console.log(this.cipheredText);
	}
}