core

Documentation

Index

• Variables
• func KeyGen() (sk *SKey, pk *PKey, err error)
• func KeyGenServer() (sk *SKey, pk *PKeyServer, err error)
• func PEKS(word []byte, server *PKeyServer, receiver *PKey, sender *SKey) ([]byte, error)
• func Test(ciphertext, trapdoor []byte, server *SKey) (ok bool, err error)
• func Trapdoor(word []byte, server *PKeyServer, sender *PKey, receiver *SKey) ([]byte, error)
• type EllipticKey
• type PKey
  • func SharedKey(pk *PKey, sk *SKey) *PKey
  • func (pk *PKey) Bytes() []byte
  • func (pk *PKey) FromBytes(m []byte) error
  • func (pk *PKey) FromSKey(sk *SKey) error
• type PKeyServer
  • func (pk *PKeyServer) Bytes() []byte
  • func (pk *PKeyServer) FromBytes(m []byte) error
  • func (pk *PKeyServer) FromSKey(sk *SKey) error
• type SKey
  • func (sk *SKey) Bytes() []byte
  • func (sk *SKey) FromBytes(m []byte) error
  • func (sk *SKey) FromSKey(skey *SKey) error

Variables

var (
	SizeG1 = 64
	SizeG2 = 129
	SizeGT = 384
	SizeSK = 32
)

var (
	ErrCiphertext = errors.New("invalid ciphertext")
	ErrTrapdoor   = errors.New("invalid trapdoor")
	ErrRandom     = errors.New("invalid source of randomness")
)

var RandomSource = rand.Reader

Functions

func KeyGen

func KeyGen() (sk *SKey, pk *PKey, err error)

func KeyGenServer

func KeyGenServer() (sk *SKey, pk *PKeyServer, err error)

func PEKS

func PEKS(word []byte, server *PKeyServer, receiver *PKey, sender *SKey) ([]byte, error)

func Test

func Test(ciphertext, trapdoor []byte, server *SKey) (ok bool, err error)

func Trapdoor

func Trapdoor(word []byte, server *PKeyServer, sender *PKey, receiver *SKey) ([]byte, error)

Types

type EllipticKey

type EllipticKey interface {
	Bytes() []byte
	FromBytes(m []byte) error
	FromSKey(sk *SKey) error
}

type PKey

type PKey struct {
	Key *bn256.G2
}

func SharedKey

func SharedKey(pk *PKey, sk *SKey) *PKey

func (*PKey) Bytes

func (pk *PKey) Bytes() []byte

func (*PKey) FromBytes

func (pk *PKey) FromBytes(m []byte) error

func (*PKey) FromSKey

func (pk *PKey) FromSKey(sk *SKey) error

type PKeyServer

type PKeyServer struct {
	Key *bn256.GT
}

func (*PKeyServer) Bytes

func (pk *PKeyServer) Bytes() []byte

func (*PKeyServer) FromBytes

func (pk *PKeyServer) FromBytes(m []byte) error

func (*PKeyServer) FromSKey

func (pk *PKeyServer) FromSKey(sk *SKey) error

type SKey

type SKey struct {
	Key *big.Int
}

func (*SKey) Bytes

func (sk *SKey) Bytes() []byte

func (*SKey) FromBytes

func (sk *SKey) FromBytes(m []byte) error

func (*SKey) FromSKey

func (sk *SKey) FromSKey(skey *SKey) error