Chaves pós-quânticas com tempo-de-vida mínimo

import { TtlPqcClient } from '@posquantum/ttl-pqc'

const client = new TtlPqcClient({
  endpoint: 'ttl.posquantum.com',
  apiKey: process.env.POSQUANTUM_API_KEY!,
  ttlSeconds: 300,        // rotación cada 5 min
  algorithm: 'kyber768+x25519',
  signature: 'ed25519',    // audit trail
})

await client.start()            // handshake híbrido inicial
const ct = await client.encrypt(Buffer.from('payload'))
const pt = await client.decrypt(ct)
// Interno: keys são rodadas atomicamente aos 300 s.
// Chave antiga sobrevive 30 s (grace) e depois zeroize.

from posquantum.ttl_pqc import TtlPqcClient
import os

client = TtlPqcClient(
    endpoint="ttl.posquantum.com",
    api_key=os.environ["POSQUANTUM_API_KEY"],
    ttl_seconds=60,                # rotação 60 s
    algorithm="kyber768+x25519",
    signature="ed25519",
)

client.start()                    # handshake inicial
cipher = client.encrypt(b"sensitive")
plain = client.decrypt(cipher)

# Cada rotação emite evento no audit log assinado.
for event in client.audit_tail():
    print(event["epoch"], event["sha3"], event["sig"])

import (
  "os"
  ttlpqc "github.com/posquantum/ttl-pqc-go"
)

client, _ := ttlpqc.New(ttlpqc.Options{
    Endpoint:   "ttl.posquantum.com",
    APIKey:     os.Getenv("POSQUANTUM_API_KEY"),
    TTL:        30 * time.Second,   // HFT/SWIFT
    Algorithm:  "kyber768+x25519",
    Signature:  "ed25519",
})

_ = client.Start(ctx)
ct, _  := client.Encrypt(ctx, payload)
pt, _  := client.Decrypt(ctx, ct)
// audit_log escreve 1 linha Ed25519-sealed por rotação