paillier

Jan 27, 2023

Changes in this version

+ var ErrNotBlum = errors.New("prime factor is not equivalent to 3 (mod 4)")

+ var ErrNotSafePrime = errors.New("supposed prime factor is not a safe prime")

+ var ErrPaillierEven = errors.New("modulus N is even")

+ var ErrPaillierLength = errors.New("wrong number bit length of Paillier modulus N")

+ var ErrPaillierNil = errors.New("modulus N is nil")

+ var ErrPrimeBadLength = errors.New("prime factor is not the right length")

+ var ErrPrimeNil = errors.New("prime is nil")

+ func KeyGen(pl *pool.Pool) (pk *PublicKey, sk *SecretKey)

+ func ValidateN(n *safenum.Modulus) error

+ func ValidatePrime(p *safenum.Nat) error

+ type Ciphertext struct

+ func (*Ciphertext) Domain() string

+ func (ct *Ciphertext) Add(pk *PublicKey, ct2 *Ciphertext) *Ciphertext

+ func (ct *Ciphertext) Equal(ctA *Ciphertext) bool

+ func (ct *Ciphertext) MarshalBinary() ([]byte, error)

+ func (ct *Ciphertext) Mul(pk *PublicKey, k *safenum.Int) *Ciphertext

+ func (ct *Ciphertext) Nat() *safenum.Nat

+ func (ct *Ciphertext) Randomize(pk *PublicKey, nonce *safenum.Nat) *safenum.Nat

+ func (ct *Ciphertext) UnmarshalBinary(data []byte) error

+ func (ct *Ciphertext) WriteTo(w io.Writer) (int64, error)

+ func (ct Ciphertext) Clone() *Ciphertext

+ type PublicKey struct

+ func NewPublicKey(n *safenum.Modulus) *PublicKey

+ func (PublicKey) Domain() string

+ func (pk *PublicKey) Modulus() *arith.Modulus

+ func (pk *PublicKey) ModulusSquared() *arith.Modulus

+ func (pk *PublicKey) N() *safenum.Modulus

+ func (pk *PublicKey) WriteTo(w io.Writer) (int64, error)

+ func (pk PublicKey) Enc(m *safenum.Int) (*Ciphertext, *safenum.Nat)

+ func (pk PublicKey) EncWithNonce(m *safenum.Int, nonce *safenum.Nat) *Ciphertext

+ func (pk PublicKey) Equal(other *PublicKey) bool

+ func (pk PublicKey) ValidateCiphertexts(cts ...*Ciphertext) bool

+ type SecretKey struct

+ func NewSecretKey(pl *pool.Pool) *SecretKey

+ func NewSecretKeyFromPrimes(P, Q *safenum.Nat) *SecretKey

+ func (sk *SecretKey) Dec(ct *Ciphertext) (*safenum.Int, error)

+ func (sk *SecretKey) DecWithRandomness(ct *Ciphertext) (*safenum.Int, *safenum.Nat, error)

+ func (sk *SecretKey) P() *safenum.Nat

+ func (sk *SecretKey) Phi() *safenum.Nat

+ func (sk *SecretKey) Q() *safenum.Nat

+ func (sk SecretKey) GeneratePedersen() (*pedersen.Parameters, *safenum.Nat)