crypto

package
v0.19.0 Latest Latest
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 Go to latest Published: Jun 26, 2018 License: Apache-2.0 Imports: 13 Imported by: 0

Documentation

Index

Constants

View Source 
const AddressHexLength = 2 * binary.Word160Length

Variables

View Source 
var ZeroAddress = Address{}

Functions

func DecodePublicKeyFixedWidth 

func DecodePublicKeyFixedWidth(buf []byte, publicKey *PublicKey) (int, error)

Decodes an encoded public key returning the number of bytes consumed

func EnsureEd25519PrivateKeyCorrect 

func EnsureEd25519PrivateKeyCorrect(candidatePrivateKey ed25519.PrivateKey) error

Ensures the last 32 bytes of the ed25519 private key is the public key derived from the first 32 private bytes

func PublicKeyLength 

func PublicKeyLength(curveType CurveType) int

Returns the length in bytes of the public key

Types

type Address 

type Address binary.Word160

func AddressFromBytes 

func AddressFromBytes(bs []byte) (address Address, err error)

Returns an address consisting of the first 20 bytes of bs, return an error if the bs does not have length exactly 20 but will still return either: the bytes in bs padded on the right or the first 20 bytes of bs truncated in any case.

func AddressFromHexString 

func AddressFromHexString(str string) (Address, error)

func AddressFromWord256 

func AddressFromWord256(addr binary.Word256) Address

func MaybeAddressFromBytes 

func MaybeAddressFromBytes(bs []byte) (*Address, error)

Returns a pointer to an Address that is nil iff len(bs) == 0 otherwise does the same as AddressFromBytes

func MustAddressFromBytes 

func MustAddressFromBytes(addr []byte) Address

func NewContractAddress 

func NewContractAddress(caller Address, sequence uint64) (newAddr Address)

func (Address) Bytes 

func (address Address) Bytes() []byte

Copy address and return a slice onto the copy

func (Address) MarshalJSON 

func (address Address) MarshalJSON() ([]byte, error)

func (Address) MarshalText 

func (address Address) MarshalText() ([]byte, error)

func (Address) String 

func (address Address) String() string

func (*Address) UnmarshalJSON 

func (address *Address) UnmarshalJSON(data []byte) error

func (*Address) UnmarshalText 

func (address *Address) UnmarshalText(text []byte) error

func (Address) Word256 

func (address Address) Word256() binary.Word256

type Addresses 

type Addresses []Address

func (Addresses) Len 

func (as Addresses) Len() int

func (Addresses) Less 

func (as Addresses) Less(i, j int) bool

func (Addresses) Swap 

func (as Addresses) Swap(i, j int)

type CurveType 

type CurveType int8
const (
	CurveTypeSecp256k1 CurveType = iota
	CurveTypeEd25519
)

func CurveTypeFromString 

func CurveTypeFromString(s string) (CurveType, error)

func (CurveType) Byte 

func (k CurveType) Byte() byte

Get this CurveType's 8 bit identifier as a byte

func (CurveType) String 

func (k CurveType) String() string

type ErrInvalidCurve 

type ErrInvalidCurve string

func (ErrInvalidCurve) Error 

func (err ErrInvalidCurve) Error() string

type PrivateKey 

type PrivateKey struct {
	CurveType  CurveType
	PublicKey  []byte
	PrivateKey []byte
}

func GeneratePrivateKey 

func GeneratePrivateKey(random io.Reader, curveType CurveType) (PrivateKey, error)

func PrivateKeyFromRawBytes 

func PrivateKeyFromRawBytes(privKeyBytes []byte, curveType CurveType) (PrivateKey, error)

func PrivateKeyFromSecret 

func PrivateKeyFromSecret(secret string, curveType CurveType) PrivateKey

func (PrivateKey) GetPublicKey 

func (p PrivateKey) GetPublicKey() PublicKey

func (PrivateKey) RawBytes 

func (p PrivateKey) RawBytes() []byte

func (PrivateKey) Sign 

func (p PrivateKey) Sign(msg []byte) (Signature, error)

type PublicKey 

type PublicKey struct {
	CurveType CurveType
	PublicKey []byte
	// contains filtered or unexported fields
}

PublicKey

func PublicKeyFromBytes 

func PublicKeyFromBytes(bs []byte, curveType CurveType) (PublicKey, error)

Currently this is a stub that reads the raw bytes returned by key_client and returns an ed25519 public key.

func (PublicKey) ABCIPubKey 

func (p PublicKey) ABCIPubKey() abci.PubKey

Return the ABCI PubKey. See Tendermint protobuf.go for the go-crypto conversion this is based on

func (PublicKey) Address 

func (p PublicKey) Address() Address

func (PublicKey) AddressHashType 

func (p PublicKey) AddressHashType() string

func (PublicKey) Encode 

func (p PublicKey) Encode() []byte

Produces a binary encoding of the CurveType byte plus the public key for padded to a fixed width on the right

func (PublicKey) IsValid 

func (p PublicKey) IsValid() bool

func (PublicKey) MarshalJSON 

func (p PublicKey) MarshalJSON() ([]byte, error)

func (PublicKey) MarshalText 

func (p PublicKey) MarshalText() ([]byte, error)

func (PublicKey) RawBytes 

func (p PublicKey) RawBytes() []byte

func (PublicKey) String 

func (p PublicKey) String() string

func (*PublicKey) UnmarshalJSON 

func (p *PublicKey) UnmarshalJSON(text []byte) error

func (*PublicKey) UnmarshalText 

func (p *PublicKey) UnmarshalText(text []byte) error

func (PublicKey) Verify 

func (p PublicKey) Verify(msg []byte, signature Signature) bool

type PublicKeyJSON 

type PublicKeyJSON struct {
	CurveType string
	PublicKey string
}

type Signable 

type Signable interface {
	SignBytes(chainID string) ([]byte, error)
}

Signable is an interface for all signable things. It typically removes signatures before serializing.

type Signature 

type Signature struct {
	Signature binary.HexBytes
}

func SignatureFromBytes 

func SignatureFromBytes(bs []byte, curveType CurveType) (Signature, error)

Currently this is a stub that reads the raw bytes returned by key_client and returns an ed25519 signature.

func (Signature) RawBytes 

func (sig Signature) RawBytes() []byte

type Signer 

type Signer interface {
	Sign(msg []byte) (Signature, error)
}

Source Files

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