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ecies

package

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Versions in this module

v1

v1.4.3

Oct 5, 2020

v1.4.2

Sep 5, 2020

v1.4.0

Aug 31, 2020

v1.3.0

Jun 14, 2019

v1.2.0

Apr 24, 2019

v1.1.1

Mar 1, 2019

v1.1.0

Feb 1, 2019

v1.0.2

Jan 14, 2019

v1.0.1

Nov 30, 2018

v1.0.0

Nov 12, 2018

Changes in this version

+ var DefaultCurve = lemocrypto.S256()

+ var ECIES_AES128_SHA256 = &ECIESParams

+ var ECIES_AES256_SHA256 = &ECIESParams

+ var ECIES_AES256_SHA384 = &ECIESParams

+ var ECIES_AES256_SHA512 = &ECIESParams

+ var ErrImport = fmt.Errorf("ecies: failed to import key")

+ var ErrInvalidCurve = fmt.Errorf("ecies: invalid elliptic curve")

+ var ErrInvalidMessage = fmt.Errorf("ecies: invalid message")

+ var ErrInvalidParams = fmt.Errorf("ecies: invalid ECIES parameters")

+ var ErrInvalidPublicKey = fmt.Errorf("ecies: invalid public key")

+ var ErrKeyDataTooLong = fmt.Errorf("ecies: can't supply requested key data")

+ var ErrSharedKeyIsPointAtInfinity = fmt.Errorf("ecies: shared key is point at infinity")

+ var ErrSharedKeyTooBig = fmt.Errorf("ecies: shared key params are too big")

+ var ErrSharedTooLong = fmt.Errorf("ecies: shared secret is too long")

+ var ErrUnsupportedECDHAlgorithm = fmt.Errorf("ecies: unsupported ECDH algorithm")

+ var ErrUnsupportedECIESParameters = fmt.Errorf("ecies: unsupported ECIES parameters")

+ func AddParamsForCurve(curve elliptic.Curve, params *ECIESParams)

+ func Encrypt(rand io.Reader, pub *PublicKey, m, s1, s2 []byte) (ct []byte, err error)

+ func MaxSharedKeyLength(pub *PublicKey) int

+ type ECIESParams struct

+ BlockSize int

+ Cipher func([]byte) (cipher.Block, error)

+ Hash func() hash.Hash

+ KeyLen int

+ func ParamsFromCurve(curve elliptic.Curve) (params *ECIESParams)

+ type PrivateKey struct

+ D *big.Int

+ func GenerateKey(rand io.Reader, curve elliptic.Curve, params *ECIESParams) (prv *PrivateKey, err error)

+ func ImportECDSA(prv *ecdsa.PrivateKey) *PrivateKey

+ func (prv *PrivateKey) Decrypt(c, s1, s2 []byte) (m []byte, err error)

+ func (prv *PrivateKey) ExportECDSA() *ecdsa.PrivateKey

+ func (prv *PrivateKey) GenerateShared(pub *PublicKey, skLen, macLen int) (sk []byte, err error)

+ type PublicKey struct

+ Params *ECIESParams

+ X *big.Int

+ Y *big.Int

+ func ImportECDSAPublic(pub *ecdsa.PublicKey) *PublicKey

+ func (pub *PublicKey) ExportECDSA() *ecdsa.PublicKey