crypto

Documentation

Index

• Constants
• Variables
• func AESDecrypt(crypted, key []byte) ([]byte, error)
• func AESEncrypt(src, key []byte) ([]byte, error)
• func AddressToScriptHash(address string, version byte) (*helper.UInt160, error)
• func Base58CheckDecode(input string) ([]byte, error)
• func Base58CheckEncode(input []byte) string
• func Base64Decode(input string) ([]byte, error)
• func Base64Encode(input []byte) string
• func BytesToScriptHash(script []byte) *helper.UInt160
• func Decode(input string) ([]byte, error)
• func Encode(input []byte) string
• func ExpectedECPointLength(curve *elliptic.Curve) int
• func Hash160(ba []byte) []byte
• func Hash256(ba []byte) []byte
• func ScriptHashToAddress(scriptHash *helper.UInt160, version byte) string
• func Sha256(b []byte) []byte
• type ECPoint
  • func CreateECPoint(x *big.Int, y *big.Int, curve *elliptic.Curve) (*ECPoint, error)
  • func DecodePoint(encoded []byte, curve *elliptic.Curve) (*ECPoint, error)
  • func DeserializeFrom(br *io.BinaryReader, curve *elliptic.Curve) (*ECPoint, error)
  • func FromBytes(data []byte, curve *elliptic.Curve) (*ECPoint, error)
  • func NewECPoint() (*ECPoint, error)
  • func NewECPointFromBytes(data []byte) (*ECPoint, error)
  • func NewECPointFromString(s string) (*ECPoint, error)
  • func Parse(value string, curve *elliptic.Curve) (*ECPoint, error)
  • func (p *ECPoint) CompareTo(other *ECPoint) int
  • func (p *ECPoint) Deserialize(br *io.BinaryReader)
  • func (p *ECPoint) EncodePoint(compressed bool) []byte
  • func (p *ECPoint) Equals(other *ECPoint) bool
  • func (p *ECPoint) ExistsIn(points []ECPoint) bool
  • func (p *ECPoint) IsInfinity() bool
  • func (p *ECPoint) IsOnCurve() bool
  • func (p *ECPoint) Serialize(bw *io.BinaryWriter)
  • func (p *ECPoint) Size() int
  • func (p *ECPoint) String() string
  • func (p *ECPoint) ToECDsa() *ecdsa.PublicKey
• type PublicKeySlice
  • func (keys PublicKeySlice) GetVarSize() int
  • func (keys PublicKeySlice) Len() int
  • func (keys PublicKeySlice) Less(i, j int) bool
  • func (keys PublicKeySlice) Swap(i, j int)

Constants

const BASE58 = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"

const PREFIX rune = '1'

Variables

var P256 = elliptic.P256()

Functions

func AESDecrypt

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

AESDecrypt decrypts the encrypted source with the given key.

func AESEncrypt

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

AESEncrypt encrypts the key with the given source.

func AddressToScriptHash

func AddressToScriptHash(address string, version byte) (*helper.UInt160, error)

func Base58CheckDecode

func Base58CheckDecode(input string) ([]byte, error)

Base58CheckDecode ...

func Base58CheckEncode

func Base58CheckEncode(input []byte) string

Base58CheckEncode ...

func Base64Decode

func Base64Decode(input string) ([]byte, error)

func Base64Encode

func Base64Encode(input []byte) string

func BytesToScriptHash

func BytesToScriptHash(script []byte) *helper.UInt160

func Decode

func Decode(input string) ([]byte, error)

Decode...

func Encode

func Encode(input []byte) string

Encode ... ref: neo/Cryptography/Base58.cs

func ExpectedECPointLength

func ExpectedECPointLength(curve *elliptic.Curve) int

expected byte array length

func Hash160

func Hash160(ba []byte) []byte

Hash160 first calculate SHA-256 hash result of ba, then RIPEMD-160 hash of the result

func Hash256

func Hash256(ba []byte) []byte

Hash256 gets the twice SHA-256 hash value of ba

func ScriptHashToAddress

func ScriptHashToAddress(scriptHash *helper.UInt160, version byte) string

func Sha256

func Sha256(b []byte) []byte

Sha256 gets the SHA-256 hash value of b

Types

type ECPoint

type ECPoint struct {
	X, Y  *big.Int
	Curve elliptic.Curve
	// contains filtered or unexported fields
}

func CreateECPoint

func CreateECPoint(x *big.Int, y *big.Int, curve *elliptic.Curve) (*ECPoint, error)

func DecodePoint

func DecodePoint(encoded []byte, curve *elliptic.Curve) (*ECPoint, error)

func DeserializeFrom

func DeserializeFrom(br *io.BinaryReader, curve *elliptic.Curve) (*ECPoint, error)

func FromBytes

func FromBytes(data []byte, curve *elliptic.Curve) (*ECPoint, error)

func NewECPoint

func NewECPoint() (*ECPoint, error)

func NewECPointFromBytes

func NewECPointFromBytes(data []byte) (*ECPoint, error)

NewPublicKey return a public key created from the given []byte.

func NewECPointFromString

func NewECPointFromString(s string) (*ECPoint, error)

NewPublicKeyFromString return a public key created from the given hex string.

func Parse

func Parse(value string, curve *elliptic.Curve) (*ECPoint, error)

func (*ECPoint) CompareTo

func (p *ECPoint) CompareTo(other *ECPoint) int

Compare two points

func (*ECPoint) Deserialize

func (p *ECPoint) Deserialize(br *io.BinaryReader)

Deserialize a PublicKey from the given io.Reader.

func (*ECPoint) EncodePoint

func (p *ECPoint) EncodePoint(compressed bool) []byte

EncodePoint encodes the point to a byte array

func (*ECPoint) Equals

func (p *ECPoint) Equals(other *ECPoint) bool

func (*ECPoint) ExistsIn

func (p *ECPoint) ExistsIn(points []ECPoint) bool

func (*ECPoint) IsInfinity

func (p *ECPoint) IsInfinity() bool

IsInfinity checks if point P is infinity on EllipticCurve ec.

func (*ECPoint) IsOnCurve

func (p *ECPoint) IsOnCurve() bool

IsOnCurve checks if this point is on the specified curve

func (*ECPoint) Serialize

func (p *ECPoint) Serialize(bw *io.BinaryWriter)

Serialize encodes a PublicKey to the given io.Writer.

func (*ECPoint) Size

func (p *ECPoint) Size() int

func (*ECPoint) String

func (p *ECPoint) String() string

String implements the Stringer interface.

func (*ECPoint) ToECDsa

func (p *ECPoint) ToECDsa() *ecdsa.PublicKey

ToECDsa returns a ecdsa.PublicKey

type PublicKeySlice

type PublicKeySlice []ECPoint

PublicKeys is a list of public keys.

func (PublicKeySlice) GetVarSize

func (keys PublicKeySlice) GetVarSize() int

func (PublicKeySlice) Len

func (keys PublicKeySlice) Len() int

func (PublicKeySlice) Less

func (keys PublicKeySlice) Less(i, j int) bool

func (PublicKeySlice) Swap

func (keys PublicKeySlice) Swap(i, j int)