@hpke/core/esm/src/senderContext.js

A Hybrid Public Key Encryption (HPKE) core module for various JavaScript runtimes

import { EMPTY, SealError } from "@hpke/common";
import { EncryptionContextImpl } from "./encryptionContext.js";
export class SenderContextImpl extends EncryptionContextImpl {
    constructor(api, kdf, params, enc) {
        super(api, kdf, params);
        Object.defineProperty(this, "enc", {
            enumerable: true,
            configurable: true,
            writable: true,
            value: void 0
        });
        this.enc = enc;
    }
    async seal(data, aad = EMPTY.buffer) {
        let ct;
        try {
            ct = await this._ctx.key.seal(this.computeNonce(this._ctx), data, aad);
        }
        catch (e) {
            throw new SealError(e);
        }
        this.incrementSeq(this._ctx);
        return ct;
    }
}