import { EncryptionService } from "./EncryptionService";
import * as sjcl from "sjcl";
import { MessageCipherDTO } from "../dto/MessageCipherDTO";

export class SJCLEncryptionService implements EncryptionService {
    private readonly params = { mode: "gcm", ts: 128, adata: "", iter: 10000 }
    public encrypt(passphrase: string, plainText: string): MessageCipherDTO {
        // @ts-ignore
        return JSON.parse(sjcl.encrypt(passphrase, plainText, this.params) as string) as MessageCipherDTO;
    }

    public decrypt(passphrase: string, cipher: MessageCipherDTO): string {
        return sjcl.decrypt(passphrase, JSON.stringify(cipher), undefined, undefined);
    }
}