signify-ts/dist/keri/core/cipher.js

Signing at the edge for KERI, ACDC, and KERIA

import { Matter, MtrDex } from "./matter.js";
import { Decrypter } from "./decrypter.js";
export class Cipher extends Matter {
    constructor({ raw, code, qb64, qb64b, qb2 }) {
        if (raw != undefined && code == undefined) {
            if (raw.length == Matter._rawSize(MtrDex.X25519_Cipher_Salt)) {
                code = MtrDex.X25519_Cipher_Salt;
            }
            else if (raw.length == Matter._rawSize(MtrDex.X25519_Cipher_Seed)) {
                code = MtrDex.X25519_Cipher_Salt;
            }
        }
        super({ raw: raw, code: code, qb64b: qb64b, qb64: qb64, qb2: qb2 });
        if (!Array.from([
            MtrDex.X25519_Cipher_Salt,
            MtrDex.X25519_Cipher_Seed,
        ]).includes(this.code)) {
            throw new Error(`Unsupported Cipher code == ${this.code}`);
        }
    }
    decrypt(prikey = undefined, seed = undefined) {
        const decrypter = new Decrypter({ qb64b: prikey }, seed);
        return decrypter.decrypt(this.qb64b);
    }
}