@ibradecode/bails
Version:
WhatsApp API
30 lines (29 loc) • 930 B
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.SenderMessageKey = void 0;
const crypto_1 = require("libsignal/src/crypto");
class SenderMessageKey {
constructor(iteration, seed) {
const derivative = (0, crypto_1.deriveSecrets)(seed, Buffer.alloc(32), Buffer.from('WhisperGroup'));
const keys = new Uint8Array(32);
keys.set(new Uint8Array(derivative[0].slice(16)));
keys.set(new Uint8Array(derivative[1].slice(0, 16)), 16);
this.iv = Buffer.from(derivative[0].slice(0, 16));
this.cipherKey = Buffer.from(keys.buffer);
this.iteration = iteration;
this.seed = seed;
}
getIteration() {
return this.iteration;
}
getIv() {
return this.iv;
}
getCipherKey() {
return this.cipherKey;
}
getSeed() {
return this.seed;
}
}
exports.SenderMessageKey = SenderMessageKey;