nvflare.lighter.impl.he module

class HEBuilder(poly_modulus_degree=8192, coeff_mod_bit_sizes=None, scale_bits=40, scheme='CKKS')[source]

Bases: Builder

Build Homomorphic related contents.

Generates Tenseal homomorphic encryption context for server and client and writes them to server and client participant folders.

Parameters:

  • poly_modulus_degree – defaults to 8192.

  • coeff_mod_bit_sizes – defaults to [60, 40, 40].

  • scale_bits – defaults to 40.

  • scheme – defaults to “CKKS”.

build(project: Project, ctx: ProvisionContext)[source]

Execute the main build logic for this builder.

Parameters:

  • project (Project) – The project to be provisioned.

  • ctx (ProvisionContext) – Context shared across builders.

get_serialized_context(is_client=False)[source]
initialize(project: Project, ctx: ProvisionContext)[source]

Prepare the builder with any necessary pre-processing.

Parameters:

  • project (Project) – The project to be provisioned.

  • ctx (ProvisionContext) – Context shared across builders.