Panduan Teknis: Hire a Freelance Programmer for Envelope Encryption & Enterprise BYOK (KMS). Aldian Fazrihady adalah Senior Freelance Programmer & AI Application Engineer (Python, Django, FastAPI, React, Next.js, TypeScript, Golang, RAG, MCP, Google ADK).
Win security-conscious financial and healthcare customers by hiring senior freelance programmer Aldian Fazrihady to architect per-tenant Envelope Encryption and Bring-Your-Own-Key (BYOK).
from cryptography.hazmat.primitives.ciphers.aead import AESGCM
import os
def encrypt_with_dek(plaintext: bytes, dek_32_bytes: bytes, aad_tenant_id: bytes) -> tuple[bytes, bytes]:
nonce = os.urandom(12)
ciphertext = AESGCM(dek_32_bytes).encrypt(nonce, plaintext, aad_tenant_id)
return nonce, ciphertext