create_matrix_multiplication_key

Engine.create_matrix_multiplication_key(secret_key, level)
Creates a matrix multiplication key used for matrix multiplication. Requires a secret key.
  • Input
    • SecretKey
    • level: optional
      • Creates the key with a reduced size to contain only the specified multiplication levels.
  • Output
    • MatrixMultiplicationKey
from desilofhe import Engine

engine = Engine(slot_count=64)
secret_key = engine.create_secret_key()
matrix_multiplication_key = engine.create_matrix_multiplication_key(secret_key)

level_3_matrix_multiplication_key = engine.create_matrix_multiplication_key(
    secret_key, level=3
)