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def encryptpwd(plain_password): # 📌 Générer un sel unique SALT = os.urandom(16) # 📌 Dériver la clé avec PBKDF2-HMAC-SHA512 (version native Python) KEY = hashlib.pbkdf2_hmac('sha512', MASTER_KEY, SALT, 25000, dklen=32) # 📌 Chiffrement AES-GCM cipher = AES.new(KEY, AES.MODE_GCM) ciphertext, tag = cipher.encrypt_and_digest(plain_password.encode()) # 📌 Encodage en base64 (format utilisé par pgAdmin) encrypted_password = base64.b64encode(SALT + cipher.nonce + tag + ciphertext).decode() return encrypted_password
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