crypto

Documentation

Overview

package crypto provides lowest-level crypto types and primitives used by sigsum

Index

• Constants
• func AttachNamespace(namespace string, msg []byte) []byte
• func NewKeyPair() (PublicKey, *Ed25519Signer, error)
• func Verify(pub *PublicKey, msg []byte, sig *Signature) bool
• type Ed25519Signer
  • func NewEd25519Signer(key *PrivateKey) *Ed25519Signer
  • func SignerFromHex(s string) (*Ed25519Signer, error)
  • func (s *Ed25519Signer) Private() (ret PrivateKey)
  • func (s *Ed25519Signer) Public() (ret PublicKey)
  • func (s *Ed25519Signer) Sign(msg []byte) (Signature, error)
• type Hash
  • func HashBytes(b []byte) Hash
  • func HashFile(f io.Reader) (digest Hash, err error)
  • func HashFromBase64(s string) (h Hash, err error)
  • func HashFromHex(s string) (h Hash, err error)
• type PrivateKey
• type PublicKey
  • func PublicKeyFromHex(s string) (pub PublicKey, err error)
• type Signature
  • func SignatureFromHex(s string) (sig Signature, err error)
• type Signer

Constants

const (
	HashSize       = sha256.Size
	SignatureSize  = ed25519.SignatureSize
	PublicKeySize  = ed25519.PublicKeySize
	PrivateKeySize = ed25519.SeedSize
)

Functions

func AttachNamespace

func AttachNamespace(namespace string, msg []byte) []byte

func NewKeyPair

func NewKeyPair() (PublicKey, *Ed25519Signer, error)

func Verify

func Verify(pub *PublicKey, msg []byte, sig *Signature) bool

Types

type Ed25519Signer

type Ed25519Signer struct {
	// contains filtered or unexported fields
}

func NewEd25519Signer

func NewEd25519Signer(key *PrivateKey) *Ed25519Signer

func SignerFromHex

func SignerFromHex(s string) (*Ed25519Signer, error)

func (*Ed25519Signer) Private

func (s *Ed25519Signer) Private() (ret PrivateKey)

func (*Ed25519Signer) Public

func (s *Ed25519Signer) Public() (ret PublicKey)

func (*Ed25519Signer) Sign

func (s *Ed25519Signer) Sign(msg []byte) (Signature, error)

type Hash

type Hash [HashSize]byte

func HashBytes

func HashBytes(b []byte) Hash

func HashFile

func HashFile(f io.Reader) (digest Hash, err error)

func HashFromBase64

func HashFromBase64(s string) (h Hash, err error)

func HashFromHex

func HashFromHex(s string) (h Hash, err error)

type PrivateKey

type PrivateKey [PrivateKeySize]byte

type PublicKey

type PublicKey [PublicKeySize]byte

func PublicKeyFromHex

func PublicKeyFromHex(s string) (pub PublicKey, err error)

type Signature

type Signature [SignatureSize]byte

func SignatureFromHex

func SignatureFromHex(s string) (sig Signature, err error)

type Signer

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