crypto

package

v0.2.3 Latest Latest Go to latest Published: Aug 24, 2020 License: Apache-2.0 Imports: 9 Imported by: 0

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Documentation ¶

Index ¶

Constants
Variables
func DecodeCompactSignature(sig string) (*protos.Signature, error)
func EncodeCompactSignature(sig *protos.Signature) (string, error)
func PrivateKeySign(s Signer, index *big.Int, hash []byte) (*protos.Signature, error)
func PrivatekeyToString(priv Signer) (string, error)
func PublicKeyToBytes(pk Verifier) ([]byte, error)
type Factory
type Hierarchical
type Signer
type Verifier

Constants ¶

View Source

const (
	SCHEME_ECDSA              = "ecdsa"
	PUBLICKEY_FINGERPRINT_LEN = 8
)

Variables ¶

View Source

var CryptoSchemes = map[string]Factory{}

View Source

var DefaultRandSrc io.Reader

View Source

var DefaultVersion int32

Functions ¶

func DecodeCompactSignature ¶

func DecodeCompactSignature(sig string) (*protos.Signature, error)

we define a compact, simple encoding for the protbuf signature before our SDK for other language is mature... which has such a form: <crypto scheme mark>:<encoded sig>:[derived part := <index>,<finger print>,[cc]]

func EncodeCompactSignature ¶

func EncodeCompactSignature(sig *protos.Signature) (string, error)

func PrivateKeySign ¶

func PrivateKeySign(s Signer, index *big.Int, hash []byte) (*protos.Signature, error)

func PrivatekeyToString ¶

func PrivatekeyToString(priv Signer) (string, error)

func PublicKeyToBytes ¶

func PublicKeyToBytes(pk Verifier) ([]byte, error)

Types ¶

type Factory ¶

type Factory interface {
	NewSigner() Signer
	NewVerifier() Verifier
}

type Hierarchical ¶

type Hierarchical interface {
	GetRootFingerPrint() []byte
	GetIndex() *big.Int
	Child(*big.Int) (Hierarchical, error)
}

type Signer ¶

type Signer interface {
	Hierarchical
	Public() Verifier
	Sign([]byte) (*protos.Signature, error)
	// contains filtered or unexported methods
}

func GetChildPrivateKey ¶

func GetChildPrivateKey(s Signer, index *big.Int) (Signer, error)

func PrivateKeyFromPBMessage ¶

func PrivateKeyFromPBMessage(privProto *protos.PrivateKey) (Signer, error)

func PrivatekeyFromBytes ¶

func PrivatekeyFromBytes(raw []byte) (Signer, error)

func PrivatekeyFromString ¶

func PrivatekeyFromString(privkeyStr string) (Signer, error)

type Verifier ¶

type Verifier interface {
	Hierarchical
	Verify([]byte, *protos.Signature) bool
	//the Verifier recovered from signature is not hierarchical
	Recover(*protos.Signature) error
	Digest() []byte
	// contains filtered or unexported methods
}

func DecodeCompactPublicKey ¶

func DecodeCompactPublicKey(pk string) (Verifier, error)

func GetChildPublicKey ¶

func GetChildPublicKey(pk Verifier, index *big.Int) (Verifier, error)

func PublicKeyFromBytes ¶

func PublicKeyFromBytes(raw []byte) (Verifier, error)

func PublicKeyFromPBMessage ¶

func PublicKeyFromPBMessage(pubProto *protos.PublicKey) (Verifier, error)

func PublicKeyFromSignature ¶

func PublicKeyFromSignature(sig *protos.Signature) (Verifier, error)

Source Files ¶

View all Source files

Directories ¶

Path	Synopsis
ecdsa

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