@zkp2p/reclaim-witness-sdk
Version:
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61 lines • 5.13 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.preparePacketsForReveal = preparePacketsForReveal;
const tls_1 = require("@reclaimprotocol/tls");
const api_1 = require("../proto/api");
const zk_1 = require("../utils/zk");
/**
* Prepares the packets for reveal to the server
* according to the specified reveal type
*/
async function preparePacketsForReveal(tlsTranscript, reveals, { onZkProgress, ...opts }) {
const transcript = [];
const proofGenerator = await (0, zk_1.makeZkProofGenerator)(opts);
let zkPacketsDone = 0;
await Promise.all(tlsTranscript.map(async ({ message, sender }) => {
const msg = {
sender: sender === 'client'
? api_1.TranscriptMessageSenderType.TRANSCRIPT_MESSAGE_SENDER_TYPE_CLIENT
: api_1.TranscriptMessageSenderType.TRANSCRIPT_MESSAGE_SENDER_TYPE_SERVER,
message: message.data,
reveal: undefined
};
transcript.push(msg);
const reveal = reveals.get(message);
if (!reveal || message.type === 'plaintext') {
return;
}
switch (reveal === null || reveal === void 0 ? void 0 : reveal.type) {
case 'complete':
msg.reveal = {
directReveal: {
key: await tls_1.crypto.exportKey(message.encKey),
iv: message.fixedIv,
recordNumber: message.recordNumber,
},
};
break;
case 'zk':
// the redacted section can be smaller than the actual
// plaintext encrypted, in case of TLS1.3 as it has a
// content type suffix
reveal.redactedPlaintext = (0, tls_1.concatenateUint8Arrays)([
reveal.redactedPlaintext,
message.plaintext.slice(reveal.redactedPlaintext.length)
]);
await proofGenerator.addPacketToProve(message, reveal, proofs => (msg.reveal = { zkReveal: { proofs } }));
break;
default:
// no reveal
break;
}
}));
const zkPacketsTotal = proofGenerator.getTotalChunksToProve();
onZkProgress === null || onZkProgress === void 0 ? void 0 : onZkProgress(zkPacketsDone, zkPacketsTotal);
await proofGenerator.generateProofs(() => {
zkPacketsDone += 1;
onZkProgress === null || onZkProgress === void 0 ? void 0 : onZkProgress(zkPacketsDone, zkPacketsTotal);
});
return transcript;
}
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