make_power_basis

Engine.make_power_basis(ciphertext, max_power, relineraization_key)

멱 기저(power basis)를 생성합니다. 주어진 암호문 x에 대해 \([x, x^2, \dots, x^{max\_power}]\) 를 생성합니다.

• 인풋:
  • Ciphertext
  • max_power: 멱급수의 최대 차수
  • RelinearizationKey
• 아웃풋:
  • power_basis: Ciphertext의 어레이

from liberate import Engine

engine = Engine()
secret_key = engine.create_secret_key()
public_key = engine.create_public_key(secret_key)
relinearization_key = engine.create_relinearization_key(secret_key)

message = [1, 2, 3]
ciphertext = engine.encrypt(message, public_key)

power_basis = engine.make_power_basis(
    ciphertext, max_power=3, relinearization_key
)