crypto

Documentation

Index

• type Algorithm
  • func NewAlgorithm(name string) Algorithm
  • func (a Algorithm) GenSeckey() []byte
  • func (a Algorithm) GetPubkey(seckey []byte) []byte
  • func (a Algorithm) Sign(message []byte, seckey []byte) []byte
  • func (a Algorithm) String() string
  • func (a Algorithm) Verify(message []byte, pubkey []byte, sig []byte) bool
• type AlgorithmBackend
• type Signature
  • func NewSignature(algo Algorithm, info []byte, privkey []byte) *Signature
  • func (s *Signature) Decode(b []byte) error
  • func (s *Signature) Encode() ([]byte, error)
  • func (s *Signature) FromPb(sr *sigpb.Signature) *Signature
  • func (s *Signature) Hash() []byte
  • func (s *Signature) SetPubkey(pubkey []byte)
  • func (s *Signature) ToBytes() []byte
  • func (s *Signature) ToPb() *sigpb.Signature
  • func (s *Signature) Verify(info []byte) bool

Types

type Algorithm

type Algorithm uint8

Algorithm is the crypto algorithm of signature

const (
	Secp256k1 Algorithm
	Ed25519
)

Algorithm list

func NewAlgorithm

func NewAlgorithm(name string) Algorithm

NewAlgorithm returns a new algorithm by name

func (Algorithm) GenSeckey

func (a Algorithm) GenSeckey() []byte

GenSeckey will generate the secret key

func (Algorithm) GetPubkey

func (a Algorithm) GetPubkey(seckey []byte) []byte

GetPubkey will get the public key of the secret key

func (Algorithm) Sign

func (a Algorithm) Sign(message []byte, seckey []byte) []byte

Sign will signature the message with seckey

func (Algorithm) String

func (a Algorithm) String() string

String return algorithm readable string

func (Algorithm) Verify

func (a Algorithm) Verify(message []byte, pubkey []byte, sig []byte) bool

Verify will verify the message with pubkey and sig

type AlgorithmBackend

type AlgorithmBackend interface {
	Sign(message []byte, seckey []byte) []byte
	Verify(message []byte, pubkey []byte, sig []byte) bool
	GetPubkey(seckey []byte) []byte
	GenSeckey() []byte
}

AlgorithmBackend is the interface of algorithm backend

type Signature

type Signature struct {
	Algorithm Algorithm

	Sig    []byte
	Pubkey []byte
}

Signature is the signature of some message

func NewSignature

func NewSignature(algo Algorithm, info []byte, privkey []byte) *Signature

NewSignature returns new signature

func (*Signature) Decode

func (s *Signature) Decode(b []byte) error

Decode will unmarshal the signature by protobuf

func (*Signature) Encode

func (s *Signature) Encode() ([]byte, error)

Encode will marshal the signature by protobuf

func (*Signature) FromPb

func (s *Signature) FromPb(sr *sigpb.Signature) *Signature

FromPb convert Signature from proto buf data structure.

func (*Signature) Hash

func (s *Signature) Hash() []byte

Hash returns the hash code of signature

func (*Signature) SetPubkey

func (s *Signature) SetPubkey(pubkey []byte)

SetPubkey will set the public key

func (*Signature) ToBytes

func (s *Signature) ToBytes() []byte

ToBytes converts Signature to a specific byte slice.

func (*Signature) ToPb

func (s *Signature) ToPb() *sigpb.Signature

ToPb convert Signature to proto buf data structure.

func (*Signature) Verify

func (s *Signature) Verify(info []byte) bool

Verify will verify the info