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paillier

package

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Versions in this module

v2

v2.3.3

Oct 19, 2023

v2.3.2

Jun 25, 2023

v2.3.1

Nov 3, 2022

v2.3.0

Aug 2, 2022

v2.2.1

May 16, 2022

v2.2.0

Mar 15, 2022

v2.1.1

Dec 20, 2021

v2.1.0

Nov 4, 2021

v2.0.0

Sep 1, 2021

Changes in this version

+ var ErrInvalidCiphertext = errors.New("paillier: invalid ciphertext")

+ var ErrInvalidMismatch = errors.New("paillier: key mismatch")

+ var ErrInvalidPlaintext = errors.New("paillier: invalid plaintext")

+ var ErrInvalidPrivateKey = errors.New("paillier: invalid private key")

+ var ErrInvalidPublicKey = errors.New("paillier: invalid public key")

+ var ErrMessageTooLong = errors.New("paillier: message too long for Paillier public key size")

+ func AdjustDecryptedDomain(pk *PubKey, plaintext *big.Int) (*big.Int, error)

+ func AdjustPlaintextDomain(pk *PubKey, plaintext *big.Int) (*big.Int, error)

+ func EncryptAndNonce(pubKey *PubKey, plainText *big.Int) (*big.Int, *big.Int, error)

+ func EncryptWithNonce(pubKey *PubKey, r *big.Int, pt *big.Int) (*big.Int, error)

+ func GetCiphertextFromHex(content string) (string, error)

+ func GetCiphertextHex(cipher string) (string, error)

+ func GetPrivateKeyHex(sk *PrvKey) string

+ func GetPublicKeyHex(pk *PubKey) string

+ func ReadCiphertextFromFile(file string) (string, error)

+ func WriteCiphertextToFile(cipher string, file string) error

+ func WriteEncryptedPrivateKeyToFile(sk *PrvKey, file, password string) error

+ func WritePrivateKeyToFile(sk *PrvKey, file string) error

+ func WritePublicKeyToFile(pk *PubKey, file string) error

+ type Ciphertext struct

+ Checksum []byte

+ Ct *big.Int

+ func Neg(pk *PubKey, cipher *Ciphertext) (*Ciphertext, error)

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

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

+ func (ct *Ciphertext) GetCtStr() (string, error)

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

+ func (ct *Ciphertext) Unmarshal(ctBytes []byte) error

+ type PrvKey struct

+ func GenKey() (*PrvKey, error)

+ func GetPrivateKeyFromHex(content string) (*PrvKey, error)

+ func ReadEncryptedPrivateKeyFromFile(file, password string) (*PrvKey, error)

+ func ReadPrivateKeyFromFile(file string) (*PrvKey, error)

+ func (key *PrvKey) Decrypt(cipherText *Ciphertext) (*big.Int, error)

+ func (key *PrvKey) GetPubKey() (*PubKey, error)

+ func (key *PrvKey) Marshal() ([]byte, error)

+ func (key *PrvKey) Unmarshal(prvKeyBytes []byte) error

+ type PubKey struct

+ G *big.Int

+ N *big.Int

+ NSquared *big.Int

+ func GetPublicKeyFromHex(content string) (*PubKey, error)

+ func ReadPublicKeyFromFile(file string) (*PubKey, error)

+ func (key *PubKey) AddCiphertext(cipher1, cipher2 *Ciphertext) (*Ciphertext, error)

+ func (key *PubKey) AddPlaintext(cipher *Ciphertext, constant *big.Int) (*Ciphertext, error)

+ func (key *PubKey) ChecksumVerify(ct *Ciphertext) bool

+ func (key *PubKey) Encrypt(plainText *big.Int) (*Ciphertext, error)

+ func (key *PubKey) Marshal() ([]byte, error)

+ func (key *PubKey) NumMul(cipher *Ciphertext, constant *big.Int) (*Ciphertext, error)

+ func (key *PubKey) SubByConstant(pubKey *PubKey, cipher *Ciphertext, constant *big.Int) (*Ciphertext, error)

+ func (key *PubKey) SubCiphertext(cipher1, cipher2 *Ciphertext) (*Ciphertext, error)

+ func (key *PubKey) SubPlaintext(cipher *Ciphertext, constant *big.Int) (*Ciphertext, error)

+ func (key *PubKey) Unmarshal(pubKeyBytes []byte) error

Other modules containing this package

chainmaker.org/chainmaker/common/v3