crypto

package

v0.0.0-...-438f3b5 Latest Latest Go to latest Published: Oct 31, 2018 License: GPL-3.0 Imports: 12 Imported by: 0

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Repository

github.com/ext-studio/neon-go

Links

Open Source Insights

Documentation ¶

Index ¶

func AESDecrypt(crypted, key []byte) ([]byte, error)
func AESDecryptV2(src, key string) string
func AESEncrypt(src, key []byte) ([]byte, error)
func AESEncryptV2(src, key string) string
func Base58CheckDecode(s string) (b []byte, err error)
func Base58CheckEncode(b []byte) string
func Base58Decode(s string) ([]byte, error)
func Base58Encode(bytes []byte) string
type ECPoint
- func ECPointFromReader(r io.Reader) (point ECPoint, err error)
- func RandomECPoint() ECPoint
type EllipticCurve
- func NewEllipticCurve() EllipticCurve

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func AESDecrypt ¶

func AESDecrypt(crypted, key []byte) ([]byte, error)

AESDecrypt decrypts the encrypted source with the given key.

func AESDecryptV2 ¶

func AESDecryptV2(src, key string) string

AESDecryptV2 decode by AES output string

func AESEncrypt ¶

func AESEncrypt(src, key []byte) ([]byte, error)

AESEncrypt encrypts the key with the given source.

func AESEncryptV2 ¶

func AESEncryptV2(src, key string) string

AESEncryptV2 encode by AES output string

func Base58CheckDecode ¶

func Base58CheckDecode(s string) (b []byte, err error)

Base58CheckDecode decodes the given string.

func Base58CheckEncode ¶

func Base58CheckEncode(b []byte) string

Base58checkEncode encodes b into a base-58 check encoded string.

func Base58Decode ¶

func Base58Decode(s string) ([]byte, error)

Base58Decode decodes the base58 encoded string.

func Base58Encode ¶

func Base58Encode(bytes []byte) string

Base58Encode encodes a byte slice to be a base58 encoded string.

Types ¶

type ECPoint ¶

type ECPoint struct {
	X *big.Int
	Y *big.Int
}

ECPoint represents a point on the EllipticCurve.

func ECPointFromReader ¶

func ECPointFromReader(r io.Reader) (point ECPoint, err error)

ECPointFromReader return a new point from the given reader. f == 4, 6 or 7 are not implemented.

func RandomECPoint ¶

func RandomECPoint() ECPoint

RandomECPoint returns a random generated ECPoint, mostly used for testing.

func (ECPoint) EncodeBinary ¶

func (p ECPoint) EncodeBinary(w io.Writer) error

EncodeBinary encodes the point to the given io.Writer.

func (*ECPoint) IsInfinity ¶

func (p *ECPoint) IsInfinity() bool

IsInfinity checks if point P is infinity on EllipticCurve ec.

func (*ECPoint) String ¶

func (p *ECPoint) String() string

String implements the Stringer interface.

type EllipticCurve ¶

type EllipticCurve struct {
	A *big.Int
	B *big.Int
	P *big.Int
	G ECPoint
	N *big.Int
	H *big.Int
}

EllipticCurve represents the parameters of a short Weierstrass equation elliptic curve.

func NewEllipticCurve ¶

func NewEllipticCurve() EllipticCurve

NewEllipticCurve returns a ready to use EllipticCurve with preconfigured fields for the NEO protocol.

func (*EllipticCurve) Add ¶

func (c *EllipticCurve) Add(P, Q ECPoint) (R ECPoint)

Add computes R = P + Q on EllipticCurve ec.

func (*EllipticCurve) Decompress ¶

func (c *EllipticCurve) Decompress(x *big.Int, ylsb uint) (P ECPoint, err error)

Decompress decompresses coordinate x and ylsb (y's least significant bit) into a ECPoint P on EllipticCurve ec.

func (*EllipticCurve) IsInfinity ¶

func (c *EllipticCurve) IsInfinity(P ECPoint) bool

IsInfinity checks if point P is infinity on EllipticCurve ec.

func (*EllipticCurve) IsOnCurve ¶

func (c *EllipticCurve) IsOnCurve(P ECPoint) bool

IsOnCurve checks if point P is on EllipticCurve ec.

func (*EllipticCurve) ScalarBaseMult ¶

func (c *EllipticCurve) ScalarBaseMult(k *big.Int) (Q ECPoint)

ScalarBaseMult computes Q = k * G on EllipticCurve ec.

func (*EllipticCurve) ScalarMult ¶

func (c *EllipticCurve) ScalarMult(k *big.Int, P ECPoint) (Q ECPoint)

ScalarMult computes Q = k * P on EllipticCurve ec.

Source Files ¶

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