frodo2.algorithms.mpc_discsp.PaillierCryptoScheme Class Reference

The Paillier crypto scheme. More...

Public Member Functions
	PaillierCryptoScheme ()
	Constructor.
	PaillierCryptoScheme (int bitLength)
	Constructor.
BigInteger	decrypt (PaillierInteger cypher)
	Decrypts a cyphertext.

Package Attributes
final PaillierPublicKey	publicKey
	The public key.

Private Attributes
final BigInteger	lambda
	The first part of the private decryption key.
final BigInteger	mu
	The second part of the private decryption key.
final SecureRandom	rand
	Source of randomness.

Detailed Description

The Paillier crypto scheme.

Author

Thomas Leaute

Constructor & Destructor Documentation

PaillierCryptoScheme() [1/2]

frodo2.algorithms.mpc_discsp.PaillierCryptoScheme.PaillierCryptoScheme

(

)

Constructor.

PaillierCryptoScheme() [2/2]

frodo2.algorithms.mpc_discsp.PaillierCryptoScheme.PaillierCryptoScheme

(

int

bitLength

)

Constructor.

Parameters

bitLength

the desired number of bits

References lambda, and rand.

Member Function Documentation

decrypt()

BigInteger frodo2.algorithms.mpc_discsp.PaillierCryptoScheme.decrypt

(

PaillierInteger

cypher

)

Decrypts a cyphertext.

Parameters

cypher

an encrypted integer

Returns

a plaintext integer

References lambda, mu, frodo2.algorithms.mpc_discsp.PaillierPublicKey.n, frodo2.algorithms.mpc_discsp.PaillierPublicKey.nsquare, and frodo2.algorithms.mpc_discsp.PaillierInteger.value.

Referenced by frodo2.algorithms.mpc_discsp.MPC_DisCSP4< V extends Addable< V > >.notifyIn().

Member Data Documentation

lambda

final BigInteger frodo2.algorithms.mpc_discsp.PaillierCryptoScheme.lambda

private

The first part of the private decryption key.

Referenced by decrypt(), and PaillierCryptoScheme().

mu

final BigInteger frodo2.algorithms.mpc_discsp.PaillierCryptoScheme.mu

private

The second part of the private decryption key.

Referenced by decrypt().

publicKey

final PaillierPublicKey frodo2.algorithms.mpc_discsp.PaillierCryptoScheme.publicKey

package

The public key.

Referenced by frodo2.algorithms.mpc_discsp.MPC_DisCSP4< V extends Addable< V > >.nextMultiplication(), and frodo2.algorithms.mpc_discsp.MPC_DisCSP4< V extends Addable< V > >.notifyIn().

rand

final SecureRandom frodo2.algorithms.mpc_discsp.PaillierCryptoScheme.rand

private

Source of randomness.

Referenced by PaillierCryptoScheme().

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The documentation for this class was generated from the following file:

• src/frodo2/algorithms/mpc_discsp/PaillierCryptoScheme.java