Class SecureAggregationVector<T>

Namespace

AiDotNet.FederatedLearning.Privacy

Assembly

AiDotNet.dll

Implements secure aggregation for vector-based model updates.

public sealed class SecureAggregationVector<T> : FederatedLearningComponentBase<T>, IDisposable

Type Parameters

T

The numeric type for model parameters (e.g., double, float).

Inheritance

object

FederatedLearningComponentBase<T>

SecureAggregationVector<T>

Implements

IDisposable

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.ReferenceEquals(object, object)

object.ToString()

Remarks

For Beginners: Secure aggregation lets the server compute the sum/average of client updates without learning any single client's update. Each client adds pairwise masks derived from shared secrets. The masks are constructed so they cancel out in the aggregate.

This implementation provides a synchronous, full-participation secure aggregation mode. If a client drops out after masks are created, the round must be restarted (dropout-resilient unmasking is a separate protocol step and is intentionally not part of this in-memory component).

Constructors

SecureAggregationVector(int, int?)

public SecureAggregationVector(int parameterCount, int? randomSeed = null)

Parameters

parameterCount int

randomSeed int?

Methods

AggregateSecurely(Dictionary<int, Vector<T>>, Dictionary<int, double>)

public Vector<T> AggregateSecurely(Dictionary<int, Vector<T>> maskedUpdates, Dictionary<int, double> clientWeights)

Parameters

maskedUpdates Dictionary<int, Vector<T>>

clientWeights Dictionary<int, double>

Returns

Vector<T>

AggregateSumSecurely(Dictionary<int, Vector<T>>)

public Vector<T> AggregateSumSecurely(Dictionary<int, Vector<T>> maskedUpdates)

Parameters

maskedUpdates Dictionary<int, Vector<T>>

Returns

Vector<T>

ClearSecrets()

public void ClearSecrets()

Dispose()

Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.

public void Dispose()

~SecureAggregationVector()

protected ~SecureAggregationVector()

GeneratePairwiseSecrets(List<int>)

public void GeneratePairwiseSecrets(List<int> clientIds)

Parameters

clientIds List<int>

MaskUpdate(int, Vector<T>)

public Vector<T> MaskUpdate(int clientId, Vector<T> clientUpdate)

Parameters

clientId int

clientUpdate Vector<T>

Returns

Vector<T>

MaskUpdate(int, Vector<T>, double)

public Vector<T> MaskUpdate(int clientId, Vector<T> clientUpdate, double clientWeight)

Parameters

clientId int

clientUpdate Vector<T>

clientWeight double

Returns

Vector<T>